# EDGAR Filing Document

**Accession Number:** 0000106444
**File Stem:** 0001752724-23-075083
**Filing Date:** 2023-3
**Character Count:** 37049
**Document Hash:** b7db13cd46b2ffa3db3d85ed784f6413
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-23-075083.hdr.sgml**: 20230331

**ACCESSION NUMBER**: 0001752724-23-075083

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20230131

**FILED AS OF DATE**: 20230331

**DATE AS OF CHANGE**: 20230331

**PERIOD START**: 20230131

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** VANGUARD FIXED INCOME SECURITIES FUNDS
- **CENTRAL INDEX KEY:** 0000106444
- **IRS NUMBER:** 231899003
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0131

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-02368
- **FILM NUMBER:** 23784172

**BUSINESS ADDRESS:**
- **STREET 1:** PO BOX 2600
- **STREET 2:** V26
- **CITY:** VALLEY FORGE
- **STATE:** PA
- **ZIP:** 19482
- **BUSINESS PHONE:** 6106691000

**MAIL ADDRESS:**
- **STREET 1:** PO BOX 2600
- **STREET 2:** V26
- **CITY:** VALLEY FORGE
- **STATE:** PA
- **ZIP:** 19482

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** VANGUARD FIXED INCOME SECURITIES FUND INC
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** WESTMINSTER BOND FUND INC
- **DATE OF NAME CHANGE:** 19800619

## Series and Classes Contracts Data

### Vanguard Long-Term Treasury Fund (Series ID: S000002589)

| Class ID   | Class Name      | Ticker Symbol   |
|:---|:---|:---|
| C000007103 | Investor Shares | VUSTX           |
| C000007104 | Admiral Shares  | VUSUX           |

## Form NPORT-P: Monthly Portfolio Investments Report

### NPORT-P: Part A: General Information

**Item A.1. Information about the Registrant.**

- **a. Name of Registrant:** VANGUARD FIXED INCOME SECURITIES FUNDS

- **b. Investment Company Act file number:** 811-02368

- **c. CIK number of Registrant:** 0000106444

- **d. LEI of Registrant:** 549300F3N7VQKU6I4K64

- **e. Address and telephone number of Registrant.**

  - **Street Address 1:** 100 Vanguard Boulevard

  - **City:** Malvern

  - **State:** PA

  - **Foreign country:** US

  - **Zip / Postal Code:** 19355

  - **Telephone number:** 610-669-1000

**Item A.2. Information about the Series.**

- **a. Name of Series:** VANGUARD LONG-TERM TREASURY FUND

- **b. EDGAR series identifier (if any):** S000002589

- **c. LEI of Series:** CX72FM3M58T4MKTZA209

**Item A.3. Reporting period.**

- **a. Date of fiscal year-end:** 2023-01-31

- **b. Date as of which information is reported:** 2023-01-31

**Item A.4. Final filing**

Does the Fund anticipate that this will be its final filing on Form N-PORT? **No**

### Fund Information

**Total Assets:** $3388781127.91

**Total Liabilities:** $359424279.00

**Net Assets:** $3029356848.91

**Delayed Delivery Securities:** $297414609.39

**Currency Risk Metrics (dv01):**

- 

**Credit Spread Risk - Investment Grade (dv01):**

- **3-Month:** -369.72417136 | **1-Year:** -8906.40774052 | **5-Year:** -54802.05868124 | **10-Year:** -142262.00766967 | **30-Year:** -35343.96917764

**Credit Spread Risk - Non-Investment Grade (dv01):**

- **3-Month:** 0.00000000 | **1-Year:** 0.00000000 | **5-Year:** 0.00000000 | **10-Year:** 0.00000000 | **30-Year:** 0.00000000

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000007103 | 6.91%                | -2.18%               | 6.99%                |
| Class ID C000007104 | 6.92%                | -2.17%               | 7.00%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-62326594.29            | $227819436.11                              |
| Month 2  | $-443330.32              | $-81232001.09                              |
| Month 3  | $-20903441.04            | $208996011.57                              |

**Designated Index Information**

- **Index Name:** Bloomberg U.S. Long Treasury Bond Index

- **Index Identifier:** I00050

### Schedule of Portfolio Investments

| Name                                              | Title                          | Identifiers                                   | Payoff Profile   | Asset Category   | Issuer Category   | Country   |   Balance | Units   | Value (USD)   | % of Net Assets   | Maturity Date   | Coupon Type   | Annualized Rate (%)   | Restricted?   |   Fair Value Level | Lending Status   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810SY5<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  99700000 | PA      | $79417281.25  | 2.62%             | 2041-05-15      | Fixed         | 2.25%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810QK7<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |   9790900 | PA      | $10075448.03  | 0.33%             | 2040-08-15      | Fixed         | 3.88%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810SE9<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  99961000 | PA      | $94400669.38  | 3.12%             | 2048-11-15      | Fixed         | 3.38%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810RV2<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  44998000 | PA      | $39577144.94  | 1.31%             | 2047-02-15      | Fixed         | 3.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810RM2<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  40205400 | PA      | $35368187.81  | 1.17%             | 2045-05-15      | Fixed         | 3.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810RC4<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  34264100 | PA      | $33503865.28  | 1.11%             | 2043-08-15      | Fixed         | 3.62%                 | No            |                  2 | On Loan: No      |
| Federal National Mortgage Association             | FANNIE MAE                     | CUSIP: 3136F7NM5<br>LEI: B1V7KEBTPIMZEU4LTD58 | Long             | DBT              | USGSE             | US        |  55000000 | PA      | $40492760.00  | 1.34%             | 2030-11-15      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810QU5<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  36000000 | PA      | $32872500.00  | 1.09%             | 2042-02-15      | Fixed         | 3.12%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810RY6<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  25230100 | PA      | $21185399.59  | 0.70%             | 2047-08-15      | Fixed         | 2.75%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810SS8<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        | 128011600 | PA      | $82767500.13  | 2.73%             | 2050-11-15      | Fixed         | 1.62%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810SD1<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  61532700 | PA      | $54225691.88  | 1.79%             | 2048-08-15      | Fixed         | 3.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810SX7<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  72400000 | PA      | $56053441.12  | 1.85%             | 2051-05-15      | Fixed         | 2.38%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810TH1<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  66780000 | PA      | $61917581.25  | 2.04%             | 2042-05-15      | Fixed         | 3.25%                 | No            |                  2 | On Loan: No      |
| Fannie Mae Pool                                   | FN 254689                      | CUSIP: 31371K2W0<br>LEI: N/A                  | Long             | ABS-MBS          | USGSE             | US        |         7 | PA      | $7.14         | 0.00%             | 2023-03-01      | Fixed         | 6.00%                 | No            |                  2 | On Loan: No      |
| Freddie Mac Strips                                | FRE PRIN STRIP                 | CUSIP: 3134A4AB0<br>LEI: N/A                  | Long             | DBT              | USGSE             | US        |  75000000 | PA      | $54368475.00  | 1.79%             | 2031-03-15      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810QY7<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  44000000 | PA      | $37565000.00  | 1.24%             | 2042-11-15      | Fixed         | 2.75%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810QS0<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  12770500 | PA      | $12838343.28  | 0.42%             | 2041-08-15      | Fixed         | 3.75%                 | No            |                  2 | On Loan: No      |
| Freddie Mac Pool                                  | FR QF0400                      | CUSIP: 3133BMNR2<br>LEI: N/A                  | Long             | ABS-MBS          | USGSE             | US        |    505184 | PA      | $518926.92    | 0.02%             | 2052-09-01      | Fixed         | 6.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810RN0<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  48963100 | PA      | $42115914.04  | 1.39%             | 2045-08-15      | Fixed         | 2.88%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810RH3<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  59448600 | PA      | $53540895.38  | 1.77%             | 2044-08-15      | Fixed         | 3.12%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810RX8<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |   1636500 | PA      | $1439097.19   | 0.05%             | 2047-05-15      | Fixed         | 3.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810TD0<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        | 112000000 | PA      | $84122505.60  | 2.78%             | 2052-02-15      | Fixed         | 2.25%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810RG5<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  29500000 | PA      | $27674687.50  | 0.91%             | 2044-05-15      | Fixed         | 3.38%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810SJ8<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  66500000 | PA      | $50373750.00  | 1.66%             | 2049-08-15      | Fixed         | 2.25%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810RS9<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |    810000 | PA      | $650278.13    | 0.02%             | 2046-05-15      | Fixed         | 2.50%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810SK5<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  44400000 | PA      | $34527935.28  | 1.14%             | 2049-11-15      | Fixed         | 2.38%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810SH2<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  43761300 | PA      | $37764636.55  | 1.25%             | 2049-05-15      | Fixed         | 2.88%                 | No            |                  2 | On Loan: No      |
| Fannie Mae or Freddie Mac                         | FNCL 5 2/23                    | CUSIP: 01F050627<br>LEI: N/A                  | Long             | ABS-MBS          | USGSE             | US        |  10250000 | PA      | $10285234.38  | 0.34%             | 2023-02-13      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810RP5<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  32100000 | PA      | $28212889.02  | 0.93%             | 2045-11-15      | Fixed         | 3.00%                 | No            |                  2 | On Loan: No      |
| N/A                                               | US 10YR NOTE (CBT)Mar23        | CUSIP: N/A<br>LEI: N/A                        | N/A              | DIR              |  | N/A       |      -521 | NC      | $-825664.43   | -0.03%            |  |  |  | No            |                  1 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810TK4<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  61000000 | PA      | $57645000.00  | 1.90%             | 2042-08-15      | Fixed         | 3.38%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810TB4<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        | 123000000 | PA      | $84370312.50  | 2.79%             | 2051-11-15      | Fixed         | 1.88%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810RT7<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  45600000 | PA      | $34798500.00  | 1.15%             | 2046-08-15      | Fixed         | 2.25%                 | No            |                  2 | On Loan: No      |
| Resolution Funding Corp Principal Strip           | RFC PRIN STRIP                 | CUSIP: 76116FAB3<br>LEI: N/A                  | Long             | DBT              | USGSE             | US        |  20000000 | PA      | $15195800.00  | 0.50%             | 2030-01-15      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810TA6<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        | 107190200 | PA      | $77980870.50  | 2.57%             | 2041-08-15      | Fixed         | 1.75%                 | No            |                  2 | On Loan: No      |
| N/A                                               | US ULTRA BOND CBT Mar23        | CUSIP: N/A<br>LEI: N/A                        | N/A              | DIR              |  | N/A       |      1283 | NC      | $4490701.92   | 0.15%             |  |  |  | No            |                  1 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810TJ7<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  78500000 | PA      | $69423437.50  | 2.29%             | 2052-08-15      | Fixed         | 3.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810QD3<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |    600000 | PA      | $658031.28    | 0.02%             | 2039-11-15      | Fixed         | 4.38%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810SR0<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  55650000 | PA      | $37059421.88  | 1.22%             | 2040-05-15      | Fixed         | 1.12%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810QL5<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  31000000 | PA      | $33421875.00  | 1.10%             | 2040-11-15      | Fixed         | 4.25%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810RD2<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  10556600 | PA      | $10500518.06  | 0.35%             | 2043-11-15      | Fixed         | 3.75%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810SN9<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  85600000 | PA      | $50276629.28  | 1.66%             | 2050-05-15      | Fixed         | 1.25%                 | No            |                  2 | On Loan: No      |
| Federal National Mortgage Association             | FNMA 0 10/3/2033               | CUSIP: 3136F3LA2<br>LEI: B1V7KEBTPIMZEU4LTD58 | Long             | DBT              | USGSE             | US        |   8000000 | PA      | $5144424.00   | 0.17%             | 2033-10-03      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| Vanguard Cmt Funds-Vanguard Market Liquidity Fund | Vanguard Market Liquidity Fund | CUSIP: N/A<br>LEI: 1I6HV0TLSTR3A4XQ6L78       | Long             | STIV             | CORP              | US        |  60477293 | NS      | $60471245.67  | 2.00%             |  |  |  | No            |                  1 | On Loan: No      |
| Fannie Mae Pool                                   | FN BV0964                      | CUSIP: 3140MECA2<br>LEI: N/A                  | Long             | ABS-MBS          | USGSE             | US        |    159179 | PA      | $163444.58    | 0.01%             | 2052-10-01      | Fixed         | 6.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810ST6<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  52900000 | PA      | $36550593.75  | 1.21%             | 2040-11-15      | Fixed         | 1.38%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 91282CFT3<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  45500000 | PA      | $46637500.00  | 1.54%             | 2029-10-31      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| N/A                                               | US LONG BOND(CBT) Mar23        | CUSIP: N/A<br>LEI: N/A                        | N/A              | DIR              |  | N/A       |      -248 | NC      | $29702.18     | 0.00%             |  |  |  | No            |                  1 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810TG3<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        | 121000000 | PA      | $104249062.50 | 3.44%             | 2052-05-15      | Fixed         | 2.88%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810RU4<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  19968700 | PA      | $17182443.33  | 0.57%             | 2046-11-15      | Fixed         | 2.88%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810QQ4<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  12862700 | PA      | $14088676.09  | 0.47%             | 2041-05-15      | Fixed         | 4.38%                 | No            |                  2 | On Loan: No      |
| Federal Home Loan Mortgage Corp                   | FREDDIE MAC                    | CUSIP: 3128X75U4<br>LEI: S6XOOCT0IEG5ABCC6L87 | Long             | DBT              | USGSE             | US        |  14465000 | PA      | $7449489.47   | 0.25%             | 2038-11-15      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810TC2<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        | 113200000 | PA      | $85943568.16  | 2.84%             | 2041-11-15      | Fixed         | 2.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury Inflation Indexed Bonds    | TSY INFL IX N/B                | CUSIP: 91282CGK1<br>LEI: 254900HROIFWPRGM1V77 | Long             | SN               | UST               | US        |  49052007 | PA      | $48446518.39  | 1.60%             | 2033-01-15      | Fixed         | 1.12%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810QT8<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  21900000 | PA      | $20059031.25  | 0.66%             | 2041-11-15      | Fixed         | 3.12%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810RB6<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  52046300 | PA      | $45272151.37  | 1.49%             | 2043-05-15      | Fixed         | 2.88%                 | No            |                  2 | On Loan: No      |
| Fannie Mae or Freddie Mac                         | FNCL 4.5 2/23                  | CUSIP: 01F042624<br>LEI: N/A                  | Long             | ABS-MBS          | USGSE             | US        |  42000000 | PA      | $41468439.60  | 1.37%             | 2023-02-13      | Fixed         | 4.50%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810SU3<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        | 125900000 | PA      | $86713625.00  | 2.86%             | 2051-02-15      | Fixed         | 1.88%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810TF5<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  43500000 | PA      | $35173830.30  | 1.16%             | 2042-02-15      | Fixed         | 2.38%                 | No            |                  2 | On Loan: No      |
| Fannie Mae or Freddie Mac                         | FNCL 5 3/23                    | CUSIP: 01F050635<br>LEI: N/A                  | Long             | ABS-MBS          | USGSE             | US        |  33500000 | PA      | $33596835.10  | 1.11%             | 2023-03-13      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810TL2<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |   4000000 | PA      | $4277500.00   | 0.14%             | 2052-11-15      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810RK6<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  51900000 | PA      | $41820044.28  | 1.38%             | 2045-02-15      | Fixed         | 2.50%                 | No            |                  2 | On Loan: No      |
| Fannie Mae or Freddie Mac                         | FNCL 4.5 3/23                  | CUSIP: 01F042632<br>LEI: N/A                  | Long             | ABS-MBS          | USGSE             | US        |  57000000 | PA      | $56269687.50  | 1.86%             | 2023-03-13      | Fixed         | 4.50%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810QW1<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  33800000 | PA      | $30192904.56  | 1.00%             | 2042-05-15      | Fixed         | 3.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810QX9<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  37000000 | PA      | $31658125.00  | 1.05%             | 2042-08-15      | Fixed         | 2.75%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810QZ4<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  45110600 | PA      | $40888527.53  | 1.35%             | 2043-02-15      | Fixed         | 3.12%                 | No            |                  2 | On Loan: No      |
| Federal Farm Credit Banks Funding Corp            | FED FARM CREDIT                | CUSIP: 3133ENYW4<br>LEI: 254900C5LP6DN9OP9V83 | Long             | DBT              | USGSE             | US        |  25000000 | PA      | $23623300.00  | 0.78%             | 2037-06-15      | Fixed         | 3.82%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810SL3<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  66000000 | PA      | $47128125.00  | 1.56%             | 2050-02-15      | Fixed         | 2.00%                 | No            |                  2 | On Loan: No      |
| Fannie Mae Principal Strip                        | FNMA PRIN STP                  | CUSIP: 31358DCT9<br>LEI: N/A                  | Long             | DBT              | USGSE             | US        |  36000000 | PA      | $18841248.00  | 0.62%             | 2038-08-06      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810QB7<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  63700000 | PA      | $68945300.06  | 2.28%             | 2039-05-15      | Fixed         | 4.25%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810RQ3<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |   4795000 | PA      | $3850235.40   | 0.13%             | 2046-02-15      | Fixed         | 2.50%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810SW9<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  71800400 | PA      | $53895175.25  | 1.78%             | 2041-02-15      | Fixed         | 1.88%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810SQ2<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  85300000 | PA      | $56511250.00  | 1.87%             | 2040-08-15      | Fixed         | 1.12%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810RJ9<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  57651000 | PA      | $50822959.69  | 1.68%             | 2044-11-15      | Fixed         | 3.00%                 | No            |                  2 | On Loan: No      |
| GOVERNMENT NATIONAL MORTGAGE ASSOCIATION          | GNR 2021-16 AC                 | CUSIP: 38382NAE7<br>LEI: 549300M8ZYFG0OCMTT87 | Long             | ABS-MBS          | USGA              | US        |  13650962 | PA      | $10688359.50  | 0.35%             | 2051-01-20      | Fixed         | 1.10%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810QC5<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  65000000 | PA      | $72434375.00  | 2.39%             | 2039-08-15      | Fixed         | 4.50%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810TM0<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  40400000 | PA      | $41750875.00  | 1.38%             | 2042-11-15      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810SP4<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        | 109797500 | PA      | $66530422.66  | 2.20%             | 2050-08-15      | Fixed         | 1.38%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810SF6<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  37919900 | PA      | $33523561.59  | 1.11%             | 2049-02-15      | Fixed         | 3.00%                 | No            |                  2 | On Loan: No      |
| N/A                                               | US 5YR NOTE (CBT) Mar23        | CUSIP: N/A<br>LEI: N/A                        | N/A              | DIR              |  | N/A       |      1241 | NC      | $-484945.62   | -0.02%            |  |  |  | No            |                  1 | On Loan: No      |
| Federal Home Loan Mortgage Corp                   | FREDDIE MAC                    | CUSIP: 3134A3ZU3<br>LEI: S6XOOCT0IEG5ABCC6L87 | Long             | DBT              | USGSE             | US        |  20000000 | PA      | $15338800.00  | 0.51%             | 2029-12-14      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| Federal Farm Credit Banks Funding Corp            | FED FARM CREDIT                | CUSIP: 3133ENK66<br>LEI: 254900C5LP6DN9OP9V83 | Long             | DBT              | USGSE             | US        |  25000000 | PA      | $24064325.00  | 0.79%             | 2037-09-08      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| N/A                                               | US 2YR NOTE (CBT) Mar23        | CUSIP: N/A<br>LEI: N/A                        | N/A              | DIR              |  | N/A       |      -103 | NC      | $51281.85     | 0.00%             |  |  |  | No            |                  1 | On Loan: No      |
| N/A                                               | US 10yr Ultra Fut Mar23        | CUSIP: N/A<br>LEI: N/A                        | N/A              | DIR              |  | N/A       |      -778 | NC      | $-238526.87   | -0.01%            |  |  |  | No            |                  1 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810SZ2<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        | 119000000 | PA      | $84341250.00  | 2.78%             | 2051-08-15      | Fixed         | 2.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810RE0<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  25000000 | PA      | $24382812.50  | 0.80%             | 2044-02-15      | Fixed         | 3.62%                 | No            |                  2 | On Loan: No      |
| United States Treasury Note/Bond                  | US TREASURY N/B                | CUSIP: 912810RZ3<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  22689800 | PA      | $19059432.00  | 0.63%             | 2047-11-15      | Fixed         | 2.75%                 | No            |                  2 | On Loan: No      |

### Signature

**Date Signed:** 2023-03-30

**Name of Applicant:** VANGUARD FIXED INCOME SECURITIES FUNDS

**Signature:** Ashley Grim

**Name of Signer:** Ashley Grim

**Title:** Treasurer