# EDGAR Filing Document

**Accession Number:** 0001509973
**File Stem:** 0001509973-26-000002
**Filing Date:** 2026-4
**Character Count:** 12027
**Document Hash:** 8c64db1a64111835761fb606c0b1c9a9
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001509973-26-000002.hdr.sgml**: 20260416

**ACCESSION NUMBER**: 0001509973-26-000002

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

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20260331

**FILED AS OF DATE**: 20260416

**DATE AS OF CHANGE**: 20260416

**EFFECTIVENESS DATE**: 20260416

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** BRIGHT ROCK CAPITAL MANAGEMENT, LLC
- **CENTRAL INDEX KEY:** 0001509973

**ORGANIZATION NAME:**
- **EIN:** 271606414
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 13F-HR
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 028-14062
- **FILM NUMBER:** 26866082

**BUSINESS ADDRESS:**
- **STREET 1:** 2036 WASHINGTON STREET
- **CITY:** HANOVER
- **STATE:** MA
- **ZIP:** 02339
- **BUSINESS PHONE:** 781-982-6750

**MAIL ADDRESS:**
- **STREET 1:** 2036 WASHINGTON STREET
- **CITY:** HANOVER
- **STATE:** MA
- **ZIP:** 02339

### FORM 13F COVER PAGE

**Report for the Calendar Year or Quarter Ended:** 03-31-2026

**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:** BRIGHT ROCK CAPITAL MANAGEMENT LLC<br>**Address:** 2036 WASHINGTON STREET<br>HANOVER, MA 02339

**Form 13F File Number:** 028-14062

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:** Shauna Haglof<br>**Title:** AVP Investment Compliance Manager<br>**Phone:** 508-732-3479

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

Shauna Haglof  Hanover, MA  04-16-2026<br>[Signature]  [City, State]  [Date]

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

[x] **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).)

[ ] **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:** 77

**Form 13F Information Table Value Total:** $508696069

      (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.]

**NONE**

### FORM 13F INFORMATION TABLE

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|  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 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 |
| ALPHABET INC | CAP STK CL A | 02079K305 | BBG009S39JX6 | 30193800 | 105000 | SH |  | SOLE | NONE | 105000 | 0 | 0 |
| AMAZON COM INC | COM | 023135106 | BBG000BVPV84 | 3957130 | 19000 | SH |  | SOLE | NONE | 19000 | 0 | 0 |
| AMETEK INC | COM | 031100100 | BBG000B9XG87 | 3751300 | 17500 | SH |  | SOLE | NONE | 17500 | 0 | 0 |
| AMPHENOL CORP | CL A | 032095101 | BBG000B9YJ35 | 5433050 | 43000 | SH |  | SOLE | NONE | 43000 | 0 | 0 |
| APPLE INC | COM | 037833100 | BBG000B9XRY4 | 14212240 | 56000 | SH |  | SOLE | NONE | 56000 | 0 | 0 |
| APTARGROUP INC | COM | 038336103 | BBG000BGX2S0 | 2205350 | 17500 | SH |  | SOLE | NONE | 17500 | 0 | 0 |
| ARISTA NETWORKS INC | COM SHS | 040413205 | BBG000N2HDY5 | 5525100 | 45000 | SH |  | SOLE | NONE | 45000 | 0 | 0 |
| BENTLEY SYS INC | COM CL B | 08265T208 | BBG000BMSRR9 | 1756000 | 50000 | SH |  | SOLE | NONE | 50000 | 0 | 0 |
| BLACKROCK INC | COM | 09290D101 | BBG01PSW2WN4 | 10097955 | 10500 | SH |  | SOLE | NONE | 10500 | 0 | 0 |
| CHIPOTLE MEXICAN GRILL INC | COM | 169656105 | BBG000QX74T1 | 960300 | 30000 | SH |  | SOLE | NONE | 30000 | 0 | 0 |
| CLOROX CO DEL | COM | 189054109 | BBG000BFS7D3 | 1077752 | 10400 | SH |  | SOLE | NONE | 10400 | 0 | 0 |
| COGNIZANT TECHNOLOGY SOLUTIO | CL A | 192446102 | BBG000BBDV81 | 8282250 | 135000 | SH |  | SOLE | NONE | 135000 | 0 | 0 |
| COLGATE PALMOLIVE CO | COM | 194162103 | BBG000BFQYY3 | 5028570 | 59000 | SH |  | SOLE | NONE | 59000 | 0 | 0 |
| COPART INC | COM | 217204106 | BBG000BM9RH1 | 10026400 | 302000 | SH |  | SOLE | NONE | 302000 | 0 | 0 |
| COTERRA ENERGY INC | COM | 127097103 | BBG000C3GN47 | 1757000 | 50000 | SH |  | SOLE | NONE | 50000 | 0 | 0 |
| DT MIDSTREAM INC | COMMON STOCK | 23345M107 | BBG0112Z58J3 | 2020050 | 15000 | SH |  | SOLE | NONE | 15000 | 0 | 0 |
| ECOLAB INC | COM | 278865100 | BBG000BHKYH4 | 4788360 | 18000 | SH |  | SOLE | NONE | 18000 | 0 | 0 |
| EDWARDS LIFESCIENCES CORP | COM | 28176E108 | BBG000BRXP69 | 2002000 | 25000 | SH |  | SOLE | NONE | 25000 | 0 | 0 |
| ELEVANCE HEALTH INC FORMERLY | COM | 036752103 | BBG000BCG930 | 6147750 | 21000 | SH |  | SOLE | NONE | 21000 | 0 | 0 |
| EOG RES INC | COM | 26875P101 | BBG000BZ9223 | 5059950 | 35000 | SH |  | SOLE | NONE | 35000 | 0 | 0 |
| EXXON MOBIL CORP | COM | 30231G102 | BBG000GZQ728 | 6786400 | 40000 | SH |  | SOLE | NONE | 40000 | 0 | 0 |
| FACTSET RESH SYS INC | COM | 303075105 | BBG000BDJL83 | 1301940 | 6000 | SH |  | SOLE | NONE | 6000 | 0 | 0 |
| FAIR ISAAC CORP | COM | 303250104 | BBG000DW76Y6 | 1708064 | 1600 | SH |  | SOLE | NONE | 1600 | 0 | 0 |
| FASTENAL CO | COM | 311900104 | BBG000BJ8YN7 | 4714240 | 101600 | SH |  | SOLE | NONE | 101600 | 0 | 0 |
| GALLAGHER ARTHUR J  CO | COM | 363576109 | BBG000BBHXQ3 | 1624350 | 7500 | SH |  | SOLE | NONE | 7500 | 0 | 0 |
| HEICO CORP NEW | COM | 422806109 | BBG000BL16Q7 | 1919400 | 7000 | SH |  | SOLE | NONE | 7000 | 0 | 0 |
| HENRY JACK  ASSOC INC | COM | 426281101 | BBG000BMH2Q7 | 3097584 | 19600 | SH |  | SOLE | NONE | 19600 | 0 | 0 |
| HERSHEY CO | COM | 427866108 | BBG000BLHRS2 | 4157800 | 20000 | SH |  | SOLE | NONE | 20000 | 0 | 0 |
| HILTON WORLDWIDE HLDGS INC | COM | 43300A203 | BBG0058KMH30 | 2280600 | 7500 | SH |  | SOLE | NONE | 7500 | 0 | 0 |
| HONEYWELL INTL INC | COM | 438516106 | BBG000H556T9 | 11866575 | 52500 | SH |  | SOLE | NONE | 52500 | 0 | 0 |
| IDEXX LABS INC | COM | 45168D104 | BBG000BLRT07 | 3933230 | 7000 | SH |  | SOLE | NONE | 7000 | 0 | 0 |
| INTERCONTINENTAL EXCHANGE IN | COM | 45866F104 | BBG000C1FB75 | 8729040 | 55500 | SH |  | SOLE | NONE | 55500 | 0 | 0 |
| INTUIT | COM | 461202103 | BBG000BH5DV1 | 9728550 | 22500 | SH |  | SOLE | NONE | 22500 | 0 | 0 |
| ISHARES TR | U.S. ENERGY ETF | 464287796 | BBG000BXXRG1 | 19431000 | 300000 | SH |  | SOLE | NONE | 300000 | 0 | 0 |
| JPMORGAN CHASE  CO | COM | 46625H100 | BBG000DMBXR2 | 6471520 | 22000 | SH |  | SOLE | NONE | 22000 | 0 | 0 |
| LINCOLN ELEC HLDGS INC | COM | 533900106 | BBG000BB72K8 | 2490800 | 10000 | SH |  | SOLE | NONE | 10000 | 0 | 0 |
| LINDE PLC | SHS | G54950103 | BBG01FND0CC1 | 8675800 | 17500 | SH |  | SOLE | NONE | 17500 | 0 | 0 |
| LIVE NATION ENTERTAINMENT IN | COM | 538034109 | BBG000FQ7YR4 | 2287650 | 15000 | SH |  | SOLE | NONE | 15000 | 0 | 0 |
| LULULEMON ATHLETICA INC | COM | 550021109 | BBG000R8ZVD1 | 6124000 | 40000 | SH |  | SOLE | NONE | 40000 | 0 | 0 |
| MASTERCARD INCORPORATED | CL A | 57636Q104 | BBG000F1ZSQ2 | 18737250 | 37500 | SH |  | SOLE | NONE | 37500 | 0 | 0 |
| MCCORMICK  CO INC | COM NON VTG | 579780206 | BBG000G6Y5W4 | 11601200 | 230000 | SH |  | SOLE | NONE | 230000 | 0 | 0 |
| MERCK  CO INC | COM | 58933Y105 | BBG000BPD168 | 17081180 | 142000 | SH |  | SOLE | NONE | 142000 | 0 | 0 |
| META PLATFORMS INC | CL A | 30303M102 | BBG000MM2P62 | 4577040 | 8000 | SH |  | SOLE | NONE | 8000 | 0 | 0 |
| MICROSOFT CORP | COM | 594918104 | BBG000BPH459 | 23690880 | 64000 | SH |  | SOLE | NONE | 64000 | 0 | 0 |
| MONSTER BEVERAGE CORP NEW | COM | 61174X109 | BBG008NVB1C0 | 3840380 | 53000 | SH |  | SOLE | NONE | 53000 | 0 | 0 |
| MORGAN STANLEY | COM NEW | 617446448 | BBG000BLZRJ2 | 5101670 | 31000 | SH |  | SOLE | NONE | 31000 | 0 | 0 |
| MORNINGSTAR INC | COM | 617700109 | BBG000CGQ4F7 | 1267875 | 7500 | SH |  | SOLE | NONE | 7500 | 0 | 0 |
| NEXTERA ENERGY INC | COM | 65339F101 | BBG000BJSBJ0 | 10216800 | 110000 | SH |  | SOLE | NONE | 110000 | 0 | 0 |
| NIKE INC | CL B | 654106103 | BBG000C5HS04 | 10511180 | 199000 | SH |  | SOLE | NONE | 199000 | 0 | 0 |
| NVIDIA CORPORATION | COM | 67066G104 | BBG000BBJQV0 | 13952000 | 80000 | SH |  | SOLE | NONE | 80000 | 0 | 0 |
| ONEOK INC NEW | COM | 682680103 | BBG000BQHGR6 | 3150092 | 34850 | SH |  | SOLE | NONE | 34850 | 0 | 0 |
| PEPSICO INC | COM | 713448108 | BBG000DH7JK6 | 10093850 | 65000 | SH |  | SOLE | NONE | 65000 | 0 | 0 |
| PINTEREST INC | CL A | 72352L106 | BBG002583CV8 | 1357160 | 74000 | SH |  | SOLE | NONE | 74000 | 0 | 0 |
| PTC INC | COM | 69370C100 | BBG000C2VBB0 | 1781125 | 12500 | SH |  | SOLE | NONE | 12500 | 0 | 0 |
| RESMED INC | COM | 761152107 | BBG000L4M7F1 | 3479440 | 15500 | SH |  | SOLE | NONE | 15500 | 0 | 0 |
| ROLLINS INC | COM | 775711104 | BBG000BSBBP1 | 2683853 | 50250 | SH |  | SOLE | NONE | 50250 | 0 | 0 |
| ROSS STORES INC | COM | 778296103 | BBG000BSBZH7 | 1733040 | 8000 | SH |  | SOLE | NONE | 8000 | 0 | 0 |
| SCHWAB CHARLES CORP | COM | 808513105 | BBG000BSLZY7 | 11747500 | 125000 | SH |  | SOLE | NONE | 125000 | 0 | 0 |
| SELECT SECTOR SPDR TR | STATE STREET TEC | 81369Y803 | BBG000BJ7007 | 4852312 | 36511 | SH |  | SOLE | NONE | 36511 | 0 | 0 |
| SLB LIMITED | COM STK | 806857108 | BBG000BT41Q8 | 6680700 | 130000 | SH |  | SOLE | NONE | 130000 | 0 | 0 |
| SYSCO CORP | COM | 871829107 | BBG000BTVJ25 | 1426600 | 20000 | SH |  | SOLE | NONE | 20000 | 0 | 0 |
| TEXAS INSTRS INC | COM | 882508104 | BBG000BVV7G1 | 11454260 | 59000 | SH |  | SOLE | NONE | 59000 | 0 | 0 |
| THERMO FISHER SCIENTIFIC INC | COM | 883556102 | BBG000BVDLH9 | 13517075 | 27500 | SH |  | SOLE | NONE | 27500 | 0 | 0 |
| TJX COS INC NEW | COM | 872540109 | BBG000BV8DN6 | 11179000 | 70000 | SH |  | SOLE | NONE | 70000 | 0 | 0 |
| TRACTOR SUPPLY CO | COM | 892356106 | BBG000BLXZN1 | 3624000 | 80000 | SH |  | SOLE | NONE | 80000 | 0 | 0 |
| TYLER TECHNOLOGIES INC | COM | 902252105 | BBG000BVWZF9 | 2139875 | 6250 | SH |  | SOLE | NONE | 6250 | 0 | 0 |
| UNION PAC CORP | COM | 907818108 | BBG000BW3299 | 12980170 | 53500 | SH |  | SOLE | NONE | 53500 | 0 | 0 |
| VEEVA SYS INC | CL A COM | 922475108 | BBG001CGB489 | 7553380 | 43000 | SH |  | SOLE | NONE | 43000 | 0 | 0 |
| VERIZON COMMUNICATIONS INC | COM | 92343V104 | BBG000HS77T5 | 8534000 | 170000 | SH |  | SOLE | NONE | 170000 | 0 | 0 |
| VISA INC | COM CL A | 92826C839 | BBG000PSKYX7 | 10502840 | 34750 | SH |  | SOLE | NONE | 34750 | 0 | 0 |
| VULCAN MATLS CO | COM | 929160109 | BBG000BWGYF8 | 2178400 | 8000 | SH |  | SOLE | NONE | 8000 | 0 | 0 |
| WALMART INC | COM | 931142103 | BBG000BWXBC2 | 8575320 | 69000 | SH |  | SOLE | NONE | 69000 | 0 | 0 |
| WEC ENERGY GROUP INC | COM | 92939U106 | BBG000BWP7D9 | 4862340 | 42000 | SH |  | SOLE | NONE | 42000 | 0 | 0 |
| WEST PHARMACEUTICAL SVSC INC | COM | 955306105 | BBG000BX24N8 | 1253200 | 5000 | SH |  | SOLE | NONE | 5000 | 0 | 0 |
| ZOETIS INC | CL A | 98978V103 | BBG0039320N9 | 6383340 | 54000 | SH |  | SOLE | NONE | 54000 | 0 | 0 |

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