Merrion Investment Management Co, LLC — 13F Holdings & Portfolio
CIK 1383782 · latest 13F-HR filed 2026-04-23
Merrion Investment Management Co, LLC manages $186.1M in 13F-reported U.S. long-equity assets across 109 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are GOOG (6.81%), NVDA (6.09%), AAPL (5.16%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 2 new positions, exited 6, added to 43, and trimmed 41.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$186.1M
Long-equity book
109
Distinct positions
2026-03-31
Filed 2026-04-23
+2 / −6 / ↑43 / ↓41
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- ECHOSTAR CORP$2.4M +44.8%
- VERTIV HOLDINGS CO$2.0M +54.7%
- CORNING INC$2.0M +54.7%
- NAVIOS MARITIME PARTNERS LP$1.9M +47.5%
- MARATHON PETE CORP$1.3M +50.1%
Top Trims
- CAMECO CORP-$4.7M -34.6%
- JEFFERIES FINANCIAL GROUP IN-$4.2M -33.7%
- ALPHABET INC-$1.2M -8.6%
- MICROSOFT CORP-$1.0M -30.5%
- NVIDIA CORPORATION-$785.0K -6.5%
Exited Positions
- ORLA MNG LTD NEW$746.2K
- LINDE PLC$433.6K
- SAP SE$364.4K
- BLACKSTONE INC$308.3K
- LYONDELLBASELL INDUSTRIES N$228.6K
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | ALPHABET INC | GOOG | 02079K107 | $12.7M | 6.81% | 44,172 | SH |
| 2 | NVIDIA CORPORATION | NVDA | 67066G104 | $11.3M | 6.09% | 64,925 | SH |
| 3 | APPLE INC | AAPL | 037833100 | $9.6M | 5.16% | 37,797 | SH |
| 4 | CAMECO CORP | CCJ | 13321L108 | $8.8M | 4.73% | 81,100 | SH |
| 5 | JEFFERIES FINANCIAL GROUP IN | JEF | 47233W109 | $8.2M | 4.41% | 198,695 | SH |
| 6 | ECHOSTAR CORP | SATS | 278768106 | $7.8M | 4.20% | 66,705 | SH |
| 7 | NAVIOS MARITIME PARTNERS LP | NMM | Y62267409 | $5.9M | 3.17% | 87,465 | SH |
| 8 | VERTIV HOLDINGS CO | VRT | 92537N108 | $5.6M | 3.03% | 22,500 | SH |
| 9 | CORNING INC | GLW | 219350105 | $5.6M | 3.02% | 41,350 | SH |
| 10 | GOLDMAN SACHS GROUP INC | GS | 38141G104 | $4.9M | 2.64% | 5,804 | SH |
| 11 | BERKSHIRE HATHAWAY INC DEL | BRK.B | 084670702 | $4.9M | 2.64% | 10,237 | SH |
| 12 | GE VERNOVA INC | GEV | 36828A101 | $4.8M | 2.59% | 5,522 | SH |
| 13 | HALLIBURTON CO | HAL | 406216101 | $4.3M | 2.32% | 110,900 | SH |
| 14 | MGM RESORTS INTERNATIONAL | MGM | 552953101 | $4.0M | 2.17% | 109,260 | SH |
| 15 | CANADIAN NAT RES LTD MED TER | CNQ | 136385101 | $3.8M | 2.06% | 78,800 | SH |
| 16 | MARATHON PETE CORP | MPC | 56585A102 | $3.8M | 2.05% | 15,619 | SH |
| 17 | TRIPLE FLAG PRECIOUS METAL | TFPM | 89679M104 | $3.1M | 1.68% | 90,240 | SH |
| 18 | STATE STR SPDR S&P 500 ETF T | SPY | 78462F103 | $3.0M | 1.61% | 4,597 | SH |
| 19 | GLOBALSTAR INC | GSAT | 378973507 | $2.9M | 1.56% | 43,681 | SH |
| 20 | NVE CORP | NVEC | 629445206 | $2.8M | 1.50% | 42,700 | SH |
| 21 | ORACLE CORP | ORCL | 68389X105 | $2.4M | 1.30% | 16,400 | SH |
| 22 | MICROSOFT CORP | MSFT | 594918104 | $2.3M | 1.23% | 6,180 | SH |
| 23 | JOHNSON & JOHNSON | JNJ | 478160104 | $2.2M | 1.16% | 8,864 | SH |
| 24 | MICRON TECHNOLOGY INC | MU | 595112103 | $2.0M | 1.09% | 6,005 | SH |
| 25 | CONSTELLATION ENERGY CORP | CEG | 21037T109 | $1.9M | 1.04% | 6,900 | SH |
| 26 | AMERICAN INTL GROUP INC | AIG | 026874784 | $1.9M | 1.03% | 25,400 | SH |
| 27 | EXXON MOBIL CORP | XOM | 30231G102 | $1.8M | 0.95% | 10,420 | SH |
| 28 | FIRST CTZNS BANCSHARES INC D | FCNCA | 31946M103 | $1.7M | 0.89% | 876 | SH |
| 29 | VITESSE ENERGY INC | VTS | 92852X103 | $1.6M | 0.86% | 88,029 | SH |
| 30 | ABBVIE INC | ABBV | 00287Y109 | $1.5M | 0.82% | 7,000 | SH |
| 31 | BWX TECHNOLOGIES INC | BWXT | 05605H100 | $1.5M | 0.81% | 7,330 | SH |
| 32 | NOBLE CORP PLC | NE | G65431127 | $1.5M | 0.79% | 30,000 | SH |
| 33 | DOLLAR GEN CORP | DG | 256677105 | $1.4M | 0.75% | 11,755 | SH |
| 34 | AMAZON COM INC | AMZN | 023135106 | $1.2M | 0.67% | 6,000 | SH |
| 35 | GE AEROSPACE | GE | 369604301 | $1.2M | 0.64% | 4,175 | SH |
| 36 | INVESCO QQQ TR | QQQ | 46090E103 | $1.2M | 0.63% | 2,035 | SH |
| 37 | BAKER HUGHES COMPANY | BKR | 05722G100 | $1.2M | 0.62% | 19,000 | SH |
| 38 | JPMORGAN CHASE & CO | JPM | 46625H100 | $1.1M | 0.61% | 3,872 | SH |
| 39 | ENERGY TRANSFER L P | ET | 29273V100 | $1.1M | 0.60% | 58,000 | SH |
| 40 | COSTCO WHOLESALE CORPORATION | COST | 22160K105 | $1.1M | 0.59% | 1,100 | SH |
| 41 | GALLAGHER ARTHUR J & CO | AJG | 363576109 | $1.1M | 0.58% | 5,000 | SH |
| 42 | REAVES UTIL INCOME FD | UTG | 756158101 | $1.1M | 0.58% | 27,500 | SH |
| 43 | OLIN CORP | OLN | 680665205 | $1.1M | 0.58% | 36,200 | SH |
| 44 | NETFLIX INC. | NFLX | 64110L106 | $1.0M | 0.55% | 10,600 | SH |
| 45 | ELI LILLY & CO | LLY | 532457108 | $1.0M | 0.54% | 1,100 | SH |
| 46 | WILLIAMS COS INC | WMB | 969457100 | $924.3K | 0.50% | 12,700 | SH |
| 47 | CATERPILLAR INC | CAT | 149123101 | $921.0K | 0.49% | 1,300 | SH |
| 48 | CHUBB LTD SWITZ | CB | H1467J104 | $903.1K | 0.49% | 2,771 | SH |
| 49 | CHEVRON CORPORATION | CVX | 166764100 | $902.3K | 0.48% | 4,361 | SH |
| 50 | ELEVANCE HEALTH INC FORMERLY | ELV | 036752103 | $870.9K | 0.47% | 2,975 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-04-23 | $186.1M | 109 | 0001172661-26-001525 |
| 2025-12-31 | 2026-02-17 | $185.7M | 113 | 0001172661-26-000889 |