# EDGAR Filing Document

**Accession Number:** 0001383782
**File Stem:** 0001172661-26-001525
**Filing Date:** 2026-4
**Character Count:** 14351
**Document Hash:** c4a5e4314b62f9c5bd291137f124f0e2
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001172661-26-001525.hdr.sgml**: 20260423

**ACCESSION NUMBER**: 0001172661-26-001525

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

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20260331

**FILED AS OF DATE**: 20260423

**DATE AS OF CHANGE**: 20260423

**EFFECTIVENESS DATE**: 20260423

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Merrion Investment Management Co, LLC
- **CENTRAL INDEX KEY:** 0001383782

**ORGANIZATION NAME:**
- **EIN:** 203897712
- **STATE OF INCORPORATION:** NJ
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 13F-HR
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 028-20627
- **FILM NUMBER:** 26886040

**BUSINESS ADDRESS:**
- **STREET 1:** 184 NORTH AVE. EAST
- **CITY:** CRANFORD
- **STATE:** NJ
- **ZIP:** 07016
- **BUSINESS PHONE:** 908-654-1145

**MAIL ADDRESS:**
- **STREET 1:** 184 NORTH AVE. EAST
- **CITY:** CRANFORD
- **STATE:** NJ
- **ZIP:** 07016

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Merrion Investment Management CO LLC
- **DATE OF NAME CHANGE:** 20061215

### 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:** Merrion Investment Management Co LLC<br>**Address:** 184 North Ave. East<br>Cranford, NJ 07016

**Form 13F File Number:** 028-20627

**CRD Number (if applicable):** 000030145

**SEC File Number (if applicable):** 8-44770

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:** Randolph Rogers<br>**Title:** Chief Compliance Officer<br>**Phone:** 908-654-1145

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

/s/ Randolph Rogers  Cranford, NJ  04-23-2026<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:** 109

**Form 13F Information Table Value Total:** $186070600

      (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

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 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 |
| ABBVIE INC | COM | 00287Y109 |  | 1522430 | 7000 | SH |  | SOLE |  | 7000 | 0 | 0 |
| AEROVIRONMENT INC | COM | 008073108 |  | 228810 | 1250 | SH |  | SOLE |  | 1250 | 0 | 0 |
| ALLIANCEBERNSTEIN HLDG L P | UNIT LTD PARTN | 01881G106 |  | 243360 | 6500 | SH |  | SOLE |  | 6500 | 0 | 0 |
| ALPHABET INC | CAP STK CL C | 02079K107 |  | 12671170 | 44172 | SH |  | SOLE |  | 44172 | 0 | 0 |
| AMAZON COM INC | COM | 023135106 |  | 1249620 | 6000 | SH |  | SOLE |  | 6000 | 0 | 0 |
| AMERICAN EXPRESS CO | COM | 025816109 |  | 428310 | 1416 | SH |  | SOLE |  | 1416 | 0 | 0 |
| AMERICAN INTL GROUP INC | COM NEW | 026874784 |  | 1911350 | 25400 | SH |  | SOLE |  | 25400 | 0 | 0 |
| AMGEN INC | COM | 031162100 |  | 622070 | 1768 | SH |  | SOLE |  | 1768 | 0 | 0 |
| APOLLO GLOBAL MGMT INC | COM | 03769M106 |  | 651800 | 5850 | SH |  | SOLE |  | 5850 | 0 | 0 |
| APPLE INC | COM | 037833100 |  | 9592500 | 37797 | SH |  | SOLE |  | 37797 | 0 | 0 |
| BAKER HUGHES COMPANY | CL A | 05722G100 |  | 1159950 | 19000 | SH |  | SOLE |  | 19000 | 0 | 0 |
| BERKSHIRE HATHAWAY INC DEL | CL B NEW | 084670702 |  | 4905570 | 10237 | SH |  | SOLE |  | 10237 | 0 | 0 |
| BWX TECHNOLOGIES INC | COM | 05605H100 |  | 1498910 | 7330 | SH |  | SOLE |  | 7330 | 0 | 0 |
| CAMECO CORP | COM | 13321L108 |  | 8808270 | 81100 | SH |  | SOLE |  | 81100 | 0 | 0 |
| CANADIAN NAT RES LTD MED TER | COM | 136385101 |  | 3839920 | 78800 | SH |  | SOLE |  | 78800 | 0 | 0 |
| CATERPILLAR INC | COM | 149123101 |  | 920990 | 1300 | SH |  | SOLE |  | 1300 | 0 | 0 |
| CHENIERE ENERGY INC | COM NEW | 16411R208 |  | 709400 | 2500 | SH |  | SOLE |  | 2500 | 0 | 0 |
| CHEVRON CORPORATION | COM | 166764100 |  | 902290 | 4361 | SH |  | SOLE |  | 4361 | 0 | 0 |
| CHUBB LTD SWITZ | COM | H1467J104 |  | 903150 | 2771 | SH |  | SOLE |  | 2771 | 0 | 0 |
| CONSTELLATION ENERGY CORP | COM | 21037T109 |  | 1926820 | 6900 | SH |  | SOLE |  | 6900 | 0 | 0 |
| CORNING INC | COM | 219350105 |  | 5622350 | 41350 | SH |  | SOLE |  | 41350 | 0 | 0 |
| COSTCO WHOLESALE CORPORATION | COM | 22160K105 |  | 1096070 | 1100 | SH |  | SOLE |  | 1100 | 0 | 0 |
| DOLLAR GEN CORP | COM | 256677105 |  | 1395670 | 11755 | SH |  | SOLE |  | 11755 | 0 | 0 |
| ECHOSTAR CORP | CL A | 278768106 |  | 7809150 | 66705 | SH |  | SOLE |  | 66705 | 0 | 0 |
| ELEVANCE HEALTH INC FORMERLY | COM | 036752103 |  | 870930 | 2975 | SH |  | SOLE |  | 2975 | 0 | 0 |
| ELI LILLY  CO | COM | 532457108 |  | 1011740 | 1100 | SH |  | SOLE |  | 1100 | 0 | 0 |
| ENERGY TRANSFER L P | COM UT LTD PTN | 29273V100 |  | 1119400 | 58000 | SH |  | SOLE |  | 58000 | 0 | 0 |
| ENOVIX CORPORATION | COM | 293594107 |  | 256410 | 49500 | SH |  | SOLE |  | 49500 | 0 | 0 |
| ENTERPRISE PRODS PARTNERS L | COM | 293792107 |  | 859490 | 22714 | SH |  | SOLE |  | 22714 | 0 | 0 |
| EXXON MOBIL CORP | COM | 30231G102 |  | 1767850 | 10420 | SH |  | SOLE |  | 10420 | 0 | 0 |
| FIRST CTZNS BANCSHARES INC D | CL A | 31946M103 |  | 1650960 | 876 | SH |  | SOLE |  | 876 | 0 | 0 |
| GALLAGHER ARTHUR J  CO | COM | 363576109 |  | 1082900 | 5000 | SH |  | SOLE |  | 5000 | 0 | 0 |
| GE AEROSPACE | COM NEW | 369604301 |  | 1184730 | 4175 | SH |  | SOLE |  | 4175 | 0 | 0 |
| GE VERNOVA INC | COM | 36828A101 |  | 4820150 | 5522 | SH |  | SOLE |  | 5522 | 0 | 0 |
| GLOBALSTAR INC | COM NEW | 378973507 |  | 2901290 | 43681 | SH |  | SOLE |  | 43681 | 0 | 0 |
| GOLDMAN SACHS GROUP INC | COM | 38141G104 |  | 4910120 | 5804 | SH |  | SOLE |  | 5804 | 0 | 0 |
| HALLIBURTON CO | COM | 406216101 |  | 4323990 | 110900 | SH |  | SOLE |  | 110900 | 0 | 0 |
| HILTON WORLDWIDE HLDGS INC | COM | 43300A203 |  | 304080 | 1000 | SH |  | SOLE |  | 1000 | 0 | 0 |
| HOME DEPOT INC | COM | 437076102 |  | 616660 | 1875 | SH |  | SOLE |  | 1875 | 0 | 0 |
| HONEYWELL INTL INC | COM | 438516106 |  | 769400 | 3404 | SH |  | SOLE |  | 3404 | 0 | 0 |
| INTERCONTINENTAL EXCHANGE IN | COM | 45866F104 |  | 477650 | 3037 | SH |  | SOLE |  | 3037 | 0 | 0 |
| INVESCO EXCHANGE TRADED FD T | S EQL WGT | 46137V357 |  | 465400 | 2425 | SH |  | SOLE |  | 2425 | 0 | 0 |
| INVESCO QQQ TR | UNIT SER 1 | 46090E103 |  | 1174560 | 2035 | SH |  | SOLE |  | 2035 | 0 | 0 |
| ISHARES SILVER TR | ISHARES | 46428Q109 |  | 408840 | 6000 | SH |  | SOLE |  | 6000 | 0 | 0 |
| ISHARES TR | CORE S ETF | 464287200 |  | 249520 | 382 | SH |  | SOLE |  | 382 | 0 | 0 |
| ISHARES TR | ISHARES BIOTECH | 464287556 |  | 337700 | 2000 | SH |  | SOLE |  | 2000 | 0 | 0 |
| ISHARES TR | ISHARES SEMICDTR | 464287523 |  | 575150 | 1750 | SH |  | SOLE |  | 1750 | 0 | 0 |
| ISHARES TR | PFD AND INCM SEC | 464288687 |  | 303200 | 10000 | SH |  | SOLE |  | 10000 | 0 | 0 |
| ISHARES TR | US AER DEF ETF | 464288760 |  | 437500 | 2000 | SH |  | SOLE |  | 2000 | 0 | 0 |
| JEFFERIES FINANCIAL GROUP IN | COM | 47233W109 |  | 8200140 | 198695 | SH |  | SOLE |  | 198695 | 0 | 0 |
| JOHNSON  JOHNSON | COM | 478160104 |  | 2166710 | 8864 | SH |  | SOLE |  | 8864 | 0 | 0 |
| JPMORGAN CHASE  CO | COM | 46625H100 |  | 1138980 | 3872 | SH |  | SOLE |  | 3872 | 0 | 0 |
| KENNEDY-WILSON HOLDINGS INC | COM | 489398107 |  | 216400 | 20000 | SH |  | SOLE |  | 20000 | 0 | 0 |
| L3HARRIS TECHNOLOGIES INC | COM | 502431109 |  | 280950 | 814 | SH |  | SOLE |  | 814 | 0 | 0 |
| MADISON SQUARE GRDN SPRT COR | CL A | 55825T103 |  | 393710 | 1225 | SH |  | SOLE |  | 1225 | 0 | 0 |
| MARATHON PETE CORP | COM | 56585A102 |  | 3813840 | 15619 | SH |  | SOLE |  | 15619 | 0 | 0 |
| MARSH  MCLENNAN COS INC | COM | 571748102 |  | 352270 | 2031 | SH |  | SOLE |  | 2031 | 0 | 0 |
| MARTIN MARIETTA MATLS INC | COM | 573284106 |  | 588680 | 1000 | SH |  | SOLE |  | 1000 | 0 | 0 |
| MASTERCARD INCORPORATED | CL A | 57636Q104 |  | 374740 | 750 | SH |  | SOLE |  | 750 | 0 | 0 |
| MCKESSON CORP | COM | 58155Q103 |  | 303160 | 350 | SH |  | SOLE |  | 350 | 0 | 0 |
| MERCER INTL INC | COM | 588056101 |  | 213000 | 150000 | SH |  | SOLE |  | 150000 | 0 | 0 |
| META PLATFORMS INC | CL A | 30303M102 |  | 629340 | 1100 | SH |  | SOLE |  | 1100 | 0 | 0 |
| MGM RESORTS INTERNATIONAL | COM | 552953101 |  | 4043710 | 109260 | SH |  | SOLE |  | 109260 | 0 | 0 |
| MICRON TECHNOLOGY INC | COM | 595112103 |  | 2028720 | 6005 | SH |  | SOLE |  | 6005 | 0 | 0 |
| MICROSOFT CORP | COM | 594918104 |  | 2287650 | 6180 | SH |  | SOLE |  | 6180 | 0 | 0 |
| MORGAN STANLEY | COM NEW | 617446448 |  | 411420 | 2500 | SH |  | SOLE |  | 2500 | 0 | 0 |
| MPLX LP | COM UNIT REP LTD | 55336V100 |  | 657730 | 11525 | SH |  | SOLE |  | 11525 | 0 | 0 |
| MYR GROUP INC | COM | 55405W104 |  | 282320 | 1000 | SH |  | SOLE |  | 1000 | 0 | 0 |
| NAVIOS MARITIME PARTNERS LP | COM UNIT LPI | Y62267409 |  | 5902130 | 87465 | SH |  | SOLE |  | 87465 | 0 | 0 |
| NETFLIX INC. | COM | 64110L106 |  | 1019190 | 10600 | SH |  | SOLE |  | 10600 | 0 | 0 |
| NEXTERA ENERGY INC | COM | 65339F101 |  | 365480 | 3935 | SH |  | SOLE |  | 3935 | 0 | 0 |
| NOBLE CORP PLC | ORD SHS A | G65431127 |  | 1472100 | 30000 | SH |  | SOLE |  | 30000 | 0 | 0 |
| NOVARTIS AG | SPONSORED ADR | 66987V109 |  | 317720 | 2080 | SH |  | SOLE |  | 2080 | 0 | 0 |
| NRG ENERGY INC | COM NEW | 629377508 |  | 238930 | 1635 | SH |  | SOLE |  | 1635 | 0 | 0 |
| NVE CORP | COM NEW | 629445206 |  | 2796850 | 42700 | SH |  | SOLE |  | 42700 | 0 | 0 |
| NVIDIA CORPORATION | COM | 67066G104 |  | 11323560 | 64925 | SH |  | SOLE |  | 64925 | 0 | 0 |
| OLIN CORP | COM PAR $1 | 680665205 |  | 1076220 | 36200 | SH |  | SOLE |  | 36200 | 0 | 0 |
| ONEOK INC NEW | COM | 682680103 |  | 406750 | 4500 | SH |  | SOLE |  | 4500 | 0 | 0 |
| ORACLE CORP | COM | 68389X105 |  | 2412600 | 16400 | SH |  | SOLE |  | 16400 | 0 | 0 |
| PALANTIR TECHNOLOGIES INC | CL A | 69608A108 |  | 292560 | 2000 | SH |  | SOLE |  | 2000 | 0 | 0 |
| PALO ALTO NETWORKS INC | COM | 697435105 |  | 345320 | 2154 | SH |  | SOLE |  | 2154 | 0 | 0 |
| PHILLIPS 66 | COM | 718546104 |  | 519210 | 2850 | SH |  | SOLE |  | 2850 | 0 | 0 |
| PNC FINL SVCS GROUP INC | COM | 693475105 |  | 463000 | 2225 | SH |  | SOLE |  | 2225 | 0 | 0 |
| PROCTER  GAMBLE CO | COM | 742718109 |  | 290460 | 2011 | SH |  | SOLE |  | 2011 | 0 | 0 |
| PUBLIC SVC ENTERPRISE GROUP | COM | 744573106 |  | 740690 | 9150 | SH |  | SOLE |  | 9150 | 0 | 0 |
| QUALCOMM INC | COM | 747525103 |  | 593670 | 4610 | SH |  | SOLE |  | 4610 | 0 | 0 |
| QUANTA SVCS INC | COM | 74762E102 |  | 439210 | 800 | SH |  | SOLE |  | 800 | 0 | 0 |
| REAVES UTIL INCOME FD | COM SH BEN INT | 756158101 |  | 1080200 | 27500 | SH |  | SOLE |  | 27500 | 0 | 0 |
| ROCKWELL AUTOMATION INC | COM | 773903109 |  | 203120 | 566 | SH |  | SOLE |  | 566 | 0 | 0 |
| SIMON PPTY GROUP INC NEW | COM | 828806109 |  | 559590 | 3000 | SH |  | SOLE |  | 3000 | 0 | 0 |
| SIXTH STREET SPECIALTY LENDI | COM | 83012A109 |  | 459500 | 25000 | SH |  | SOLE |  | 25000 | 0 | 0 |
| SPDR GOLD TR | GOLD SHS | 78463V107 |  | 860580 | 2000 | SH |  | SOLE |  | 2000 | 0 | 0 |
| STATE STR SPDR S 500 ETF T | TR UNIT | 78462F103 |  | 2989610 | 4597 | SH |  | SOLE |  | 4597 | 0 | 0 |
| TECK RESOURCES LTD | CL B | 878742204 |  | 680710 | 13154 | SH |  | SOLE |  | 13154 | 0 | 0 |
| TESLA INC | COM | 88160R101 |  | 429370 | 1155 | SH |  | SOLE |  | 1155 | 0 | 0 |
| TIDEWATER INC NEW | COM | 88642R109 |  | 827980 | 9910 | SH |  | SOLE |  | 9910 | 0 | 0 |
| TRANSOCEAN LTD | REGISTERED SHS | H8817H100 |  | 613270 | 92500 | SH |  | SOLE |  | 92500 | 0 | 0 |
| TRIPLE FLAG PRECIOUS METAL | COM | 89679M104 |  | 3132230 | 90240 | SH |  | SOLE |  | 90240 | 0 | 0 |
| UBER TECHNOLOGIES INC | COM | 90353T100 |  | 207870 | 2890 | SH |  | SOLE |  | 2890 | 0 | 0 |
| VANGUARD INDEX FDS | VALUE ETF | 922908744 |  | 519930 | 2650 | SH |  | SOLE |  | 2650 | 0 | 0 |
| VERTEX PHARMACEUTICALS INC | COM | 92532F100 |  | 558170 | 1250 | SH |  | SOLE |  | 1250 | 0 | 0 |
| VERTIV HOLDINGS CO | COM CL A | 92537N108 |  | 5638050 | 22500 | SH |  | SOLE |  | 22500 | 0 | 0 |
| VISA INC | COM CL A | 92826C839 |  | 302240 | 1000 | SH |  | SOLE |  | 1000 | 0 | 0 |
| VITESSE ENERGY INC | COMMON STOCK | 92852X103 |  | 1598600 | 88029 | SH |  | SOLE |  | 88029 | 0 | 0 |
| WALMART INC | COM | 931142103 |  | 621400 | 5000 | SH |  | SOLE |  | 5000 | 0 | 0 |
| WASTE CONNECTIONS INC | COM | 94106B101 |  | 243660 | 1500 | SH |  | SOLE |  | 1500 | 0 | 0 |
| WASTE MGMT INC DEL | COM | 94106L109 |  | 482550 | 2100 | SH |  | SOLE |  | 2100 | 0 | 0 |
| WILLIAMS COS INC | COM | 969457100 |  | 924300 | 12700 | SH |  | SOLE |  | 12700 | 0 | 0 |
| XYLEM INC | COM | 98419M100 |  | 239000 | 2000 | SH |  | SOLE |  | 2000 | 0 | 0 |

---