# EDGAR Filing Document

**Accession Number:** 0001520309
**File Stem:** 0001520309-23-000001
**Filing Date:** 2023-2
**Character Count:** 12028
**Document Hash:** 21bc3f7b04f0d2f8cd6044edbe0872af
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001520309-23-000001.hdr.sgml**: 20230207

**ACCESSION NUMBER**: 0001520309-23-000001

**CONFORMED SUBMISSION TYPE**: 13F-HR

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20221231

**FILED AS OF DATE**: 20230207

**DATE AS OF CHANGE**: 20230206

**EFFECTIVENESS DATE**: 20230207

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Mizuho Securities Co. Ltd.
- **CENTRAL INDEX KEY:** 0001520309
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** M0
- **FISCAL YEAR END:** 0331

**FILING VALUES:**
- **FORM TYPE:** 13F-HR
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 028-19142
- **FILM NUMBER:** 23591879

**BUSINESS ADDRESS:**
- **STREET 1:** OTEMACHI FIRST SQUARE, 1-5-1
- **STREET 2:** OTEMACHI, CHIYODA-KU
- **CITY:** TOKYO
- **STATE:** M0
- **ZIP:** 100-0004
- **BUSINESS PHONE:** 81-35208-3210

**MAIL ADDRESS:**
- **STREET 1:** OTEMACHI FIRST SQUARE, 1-5-1
- **STREET 2:** OTEMACHI, CHIYODA-KU
- **CITY:** TOKYO
- **STATE:** M0
- **ZIP:** 100-0004

### FORM 13F COVER PAGE

**Report for the Calendar Year or Quarter Ended:** 12-31-2022

**Check here if Amendment** [ ] **Amendment Number:** 

**This Amendment (Check only one.):** [ ] is a restatement.

[ ] adds new holdings entries.

**Institutional Investment Manager Filing this Report:**

**Name:** Mizuho Securities Co. Ltd.<br>**Address:** OTEMACHI FIRST SQUARE 1-5-1<br>OTEMACHI CHIYODA-KU<br>TOKYO, M0 100-0004

**Form 13F File Number:** 028-19142

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

**Person Signing this Report on Behalf of Reporting Manager:**

**Name:** Toru Udagawa<br>**Title:** Director of Market Product Process Control Department<br>**Phone:** 81-3-5208-3460

**Signature, Place, and Date of Signing:**

Toru Udagawa  Tokyo, M0  02-06-2023<br>[Signature]  [City, State]  [Date]

**Report Type (Check only one.):**

[ ] **13F HOLDINGS REPORT.** (Check here if all holdings of this reporting manager are reported in this report.)

[ ] **13F NOTICE.** (Check here if no holdings are reported in this report, and all holdings are reported by other reporting manager(s).)

[x] **13F COMBINATION REPORT.** (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)

### Form 13F Summary Page

**Report Summary:**

**Number of Other Included Managers:** 0

**Form 13F Information Table Entry Total:** 87

**Form 13F Information Table Value Total:** $35973856

      (round to nearest dollar)

**List of Other Included Managers:**

Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.

[If there are no entries in this list, state “NONE” and omit the column headings and list entries.]

|   No. | Name                         | Form 13F File Number   | CRD Number   | SEC File Number   |
|---:|:---|:---|:---|:---|
|     1 | PayPay Securities Corp       | 028-22802              |  |  |
|     2 | PPSC Investment Service Corp | 028-22801              |  |  |

### FORM 13F INFORMATION TABLE

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | VOTING AUTHORITY | VOTING AUTHORITY | VOTING AUTHORITY |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | SOLE | SHARED | NONE |
| TAIWAN SEMICONDUCTOR MFG LTD | SPONSORED ADS | 874039100 |  | 10436868 | 140111 | SH |  | DFND |  | 140111 | 0 | 0 |
| META PLATFORMS INC | CL A | 30303M102 |  | 3343045 | 27780 | SH |  | DFND |  | 27780 | 0 | 0 |
| BLOCK INC | CL A | 852234103 |  | 2201285 | 35030 | SH |  | DFND |  | 35030 | 0 | 0 |
| AMAZON COM INC | COM | 023135106 |  | 1685880 | 20070 | SH |  | DFND |  | 20070 | 0 | 0 |
| TESLA INC | COM | 88160R101 |  | 1278608 | 10380 | SH |  | DFND |  | 10380 | 0 | 0 |
| NVIDIA CORPORATION | COM | 67066G104 |  | 1259727 | 8620 | SH |  | DFND |  | 8620 | 0 | 0 |
| MICROSOFT CORP | COM | 594918104 |  | 1057606 | 4410 | SH |  | DFND |  | 4410 | 0 | 0 |
| ALPHABET INC | CAP STK CL A | 02079K305 |  | 1042879 | 11820 | SH |  | DFND |  | 11820 | 0 | 0 |
| APPLE INC | COM | 037833100 |  | 971876 | 7480 | SH |  | DFND |  | 7480 | 0 | 0 |
| DISNEY WALT CO | COM | 254687106 |  | 827098 | 9520 | SH |  | DFND |  | 9520 | 0 | 0 |
| UNITED MICROELECTRONICS CORP | SPON ADR NEW | 910873405 |  | 772610 | 118317 | SH |  | DFND |  | 118317 | 0 | 0 |
| ZOOM VIDEO COMMUNICATIONS IN | CL A | 98980L101 |  | 691625 | 10210 | SH |  | DFND |  | 10210 | 0 | 0 |
| MASTERCARD INCORPORATED | CL A | 57636Q104 |  | 618959 | 1780 | SH |  | DFND |  | 1780 | 0 | 0 |
| VISA INC | COM CL A | 92826C839 |  | 617047 | 2970 | SH |  | DFND |  | 2970 | 0 | 0 |
| UBER TECHNOLOGIES INC | COM | 90353T100 |  | 494600 | 20000 | SH |  | DFND |  | 20000 | 0 | 0 |
| ADVANCED MICRO DEVICES INC | COM | 007903107 |  | 465049 | 7180 | SH |  | DFND |  | 7180 | 0 | 0 |
| CHUNGHWA TELECOM CO LTD | SPON ADR NEW11 | 17133Q502 |  | 439080 | 12000 | SH |  | DFND |  | 12000 | 0 | 0 |
| MICRON TECHNOLOGY INC | COM | 595112103 |  | 399340 | 7990 | SH |  | DFND |  | 7990 | 0 | 0 |
| SERVICENOW INC | COM | 81762P102 |  | 341678 | 880 | SH |  | DFND |  | 880 | 0 | 0 |
| UNITEDHEALTH GROUP INC | COM | 91324P102 |  | 339315 | 640 | SH |  | DFND |  | 640 | 0 | 0 |
| BAIDU INC | SPON ADR REP A | 056752108 |  | 325640 | 2847 | SH |  | DFND |  | 2847 | 0 | 0 |
| JPMORGAN CHASE  CO | COM | 46625H100 |  | 315135 | 2350 | SH |  | DFND |  | 2350 | 0 | 0 |
| RAYTHEON TECHNOLOGIES CORP | COM | 75513E101 |  | 312852 | 3100 | SH |  | DFND |  | 3100 | 0 | 0 |
| BARRICK GOLD CORP | COM | 067901108 |  | 297915 | 17400 | SH |  | DFND |  | 17400 | 0 | 0 |
| INTUITIVE SURGICAL INC | COM NEW | 46120E602 |  | 294538 | 1110 | SH |  | DFND |  | 1110 | 0 | 0 |
| PAYPAL HLDGS INC | COM | 70450Y103 |  | 294139 | 4130 | SH |  | DFND |  | 4130 | 0 | 0 |
| PROCTER AND GAMBLE CO | COM | 742718109 |  | 271292 | 1790 | SH |  | DFND |  | 1790 | 0 | 0 |
| NEWMONT CORP | COM | 651639106 |  | 255352 | 5410 | SH |  | DFND |  | 5410 | 0 | 0 |
| JOHNSON  JOHNSON | COM | 478160104 |  | 243777 | 1380 | SH |  | DFND |  | 1380 | 0 | 0 |
| ADOBE SYSTEMS INCORPORATED | COM | 00724F101 |  | 238936 | 710 | SH |  | DFND |  | 710 | 0 | 0 |
| APPLIED MATLS INC | COM | 038222105 |  | 217157 | 2230 | SH |  | DFND |  | 2230 | 0 | 0 |
| CROWDSTRIKE HLDGS INC | CL A | 22788C105 |  | 214792 | 2040 | SH |  | DFND |  | 2040 | 0 | 0 |
| JD.COM INC | SPON ADR CL A | 47215P106 |  | 214417 | 3820 | SH |  | DFND |  | 3820 | 0 | 0 |
| KINDER MORGAN INC DEL | COM | 49456B101 |  | 212621 | 11760 | SH |  | DFND |  | 11760 | 0 | 0 |
| OCCIDENTAL PETE CORP | COM | 674599105 |  | 209127 | 3320 | SH |  | DFND |  | 3320 | 0 | 0 |
| BOEING CO | COM | 097023105 |  | 192395 | 1010 | SH |  | DFND |  | 1010 | 0 | 0 |
| NIKE INC | CL B | 654106103 |  | 183706 | 1570 | SH |  | DFND |  | 1570 | 0 | 0 |
| PALO ALTO NETWORKS INC | COM | 697435105 |  | 153494 | 1100 | SH |  | DFND |  | 1100 | 0 | 0 |
| SALESFORCE INC | COM | 79466L302 |  | 133916 | 1010 | SH |  | DFND |  | 1010 | 0 | 0 |
| SPLUNK INC | COM | 848637104 |  | 133440 | 1550 | SH |  | DFND |  | 1550 | 0 | 0 |
| COCA COLA CO | COM | 191216100 |  | 120223 | 1890 | SH |  | DFND |  | 1890 | 0 | 0 |
| GENERAL MTRS CO | COM | 37045V100 |  | 117740 | 3500 | SH |  | DFND |  | 3500 | 0 | 0 |
| INTUIT | COM | 461202103 |  | 116766 | 300 | SH |  | DFND |  | 300 | 0 | 0 |
| NETFLIX INC | COM | 64110L106 |  | 115003 | 390 | SH |  | DFND |  | 390 | 0 | 0 |
| NORTHROP GRUMMAN CORP | COM | 666807102 |  | 98210 | 180 | SH |  | DFND |  | 180 | 0 | 0 |
| POSCO HOLDINGS INC | SPONSORED ADR | 693483109 |  | 98046 | 1800 | SH |  | DFND |  | 1800 | 0 | 0 |
| SHINHAN FINANCIAL GROUP CO L | SPN ADR RESTRD | 824596100 |  | 97755 | 3500 | SH |  | DFND |  | 3500 | 0 | 0 |
| VERIZON COMMUNICATIONS INC | COM | 92343V104 |  | 95742 | 2430 | SH |  | DFND |  | 2430 | 0 | 0 |
| ABBVIE INC | COM | 00287Y109 |  | 93734 | 580 | SH |  | DFND |  | 580 | 0 | 0 |
| TERADYNE INC | COM | 880770102 |  | 82109 | 940 | SH |  | DFND |  | 940 | 0 | 0 |
| PFIZER INC | COM | 717081103 |  | 60976 | 1190 | SH |  | DFND |  | 1190 | 0 | 0 |
| ALIBABA GROUP HLDG LTD | SPONSORED ADS | 01609W102 |  | 59901 | 680 | SH |  | DFND |  | 680 | 0 | 0 |
| GILEAD SCIENCES INC | COM | 375558103 |  | 55802 | 650 | SH |  | DFND |  | 650 | 0 | 0 |
| EXXON MOBIL CORP | COM | 30231G102 |  | 50738 | 460 | SH |  | DFND |  | 460 | 0 | 0 |
| WELLS FARGO CO NEW | COM | 949746101 |  | 47896 | 1160 | SH |  | DFND |  | 1160 | 0 | 0 |
| CHEVRON CORP NEW | COM | 166764100 |  | 44872 | 250 | SH |  | DFND |  | 250 | 0 | 0 |
| AT INC | COM | 00206R102 |  | 43264 | 2350 | SH |  | DFND |  | 2350 | 0 | 0 |
| MERCK  CO INC | COM | 58933Y105 |  | 42161 | 380 | SH |  | DFND |  | 380 | 0 | 0 |
| STARBUCKS CORP | COM | 855244109 |  | 39680 | 400 | SH |  | DFND |  | 400 | 0 | 0 |
| DELTA AIR LINES INC DEL | COM NEW | 247361702 |  | 39432 | 1200 | SH |  | DFND |  | 1200 | 0 | 0 |
| LAUDER ESTEE COS INC | CL A | 518439104 |  | 37216 | 150 | SH |  | DFND |  | 150 | 0 | 0 |
| LULULEMON ATHLETICA INC | COM | 550021109 |  | 35242 | 110 | SH |  | DFND |  | 110 | 0 | 0 |
| NEXTERA ENERGY INC | COM | 65339F101 |  | 35112 | 420 | SH |  | DFND |  | 420 | 0 | 0 |
| ILLUMINA INC | COM | 452327109 |  | 34374 | 170 | SH |  | DFND |  | 170 | 0 | 0 |
| BROADCOM INC | COM | 11135F101 |  | 33548 | 60 | SH |  | DFND |  | 60 | 0 | 0 |
| COSTCO WHSL CORP NEW | COM | 22160K105 |  | 27390 | 60 | SH |  | DFND |  | 60 | 0 | 0 |
| ACCENTURE PLC IRELAND | SHS CLASS A | G1151C101 |  | 26684 | 100 | SH |  | DFND |  | 100 | 0 | 0 |
| LAS VEGAS SANDS CORP | COM | 517834107 |  | 26438 | 550 | SH |  | DFND |  | 550 | 0 | 0 |
| HOWMET AEROSPACE INC | COM | 443201108 |  | 25222 | 640 | SH |  | DFND |  | 640 | 0 | 0 |
| GOLDMAN SACHS GROUP INC | COM | 38141G104 |  | 24037 | 70 | SH |  | DFND |  | 70 | 0 | 0 |
| ALTRIA GROUP INC | COM | 02209S103 |  | 22855 | 500 | SH |  | DFND |  | 500 | 0 | 0 |
| WALMART INC | COM | 931142103 |  | 21268 | 150 | SH |  | DFND |  | 150 | 0 | 0 |
| ENPHASE ENERGY INC | COM | 29355A107 |  | 21197 | 80 | SH |  | DFND |  | 80 | 0 | 0 |
| SCHLUMBERGER LTD | COM STK | 806857108 |  | 16038 | 300 | SH |  | DFND |  | 300 | 0 | 0 |
| ARCHER DANIELS MIDLAND CO | COM | 039483102 |  | 14856 | 160 | SH |  | DFND |  | 160 | 0 | 0 |
| FEDEX CORP | COM | 31428X106 |  | 10392 | 60 | SH |  | DFND |  | 60 | 0 | 0 |
| INTEL CORP | COM | 458140100 |  | 7929 | 300 | SH |  | DFND |  | 300 | 0 | 0 |
| ON SEMICONDUCTOR CORP | COM | 682189105 |  | 7484 | 120 | SH |  | DFND |  | 120 | 0 | 0 |
| ICICI BANK LIMITED | ADR | 45104G104 |  | 7443 | 340 | SH |  | DFND |  | 340 | 0 | 0 |
| 3-D SYS CORP DEL | COM NEW | 88554D205 |  | 7400 | 1000 | SH |  | DFND |  | 1000 | 0 | 0 |
| GENERAL ELECTRIC CO | COM NEW | 369604301 |  | 5446 | 65 | SH |  | DFND |  | 65 | 0 | 0 |
| CATERPILLAR INC | COM | 149123101 |  | 2396 | 10 | SH |  | DFND |  | 10 | 0 | 0 |
| AUTODESK INC | COM | 052769106 |  | 1869 | 10 | SH |  | DFND |  | 10 | 0 | 0 |
| INTERNATIONAL BUSINESS MACHS | COM | 459200101 |  | 1409 | 10 | SH |  | DFND |  | 10 | 0 | 0 |
| 3M CO | COM | 88579Y101 |  | 1199 | 10 | SH |  | DFND |  | 10 | 0 | 0 |
| CISCO SYS INC | COM | 17275R102 |  | 476 | 10 | SH |  | DFND |  | 10 | 0 | 0 |
| TAL EDUCATION GROUP | SPONSORED ADS | 874080104 |  | 70 | 10 | SH |  | DFND |  | 10 | 0 | 0 |

---