Merrion Investment Management Co, Llc
Institutional manager — quarterly 13F holdings, Q ending 2026-03-31
Reported value
$186.1M
Q ending 2026-03-31
Prior quarter
$185.7M
Q ending 2025-12-31
Change
+0.2% QoQ · +33.6% YoY
Positions
109
reported holdings
Largest positions
Top 100 of 109 reported positions by value, Q ending 2026-03-31. A manager can hold shares, calls and puts on the same security at once — such positions are listed as separate rows. Type: Shares = common stock, Put/Call = option positions (valued at the underlying), Principal = debt. Tickers link to stock pages where covered.
| Holding | Ticker | Type | Value ▼ | Shares |
|---|---|---|---|---|
| Alphabet Inc | GOOG | Shares | $12.7M | 44K |
| Nvidia Corporation | NVDA | Shares | $11.3M | 65K |
| Apple Inc | AAPL | Shares | $9.6M | 38K |
| Cameco Corp | CCJ | Shares | $8.8M | 81K |
| Jefferies Financial Group In | JEF | Shares | $8.2M | 199K |
| Echostar Corp | ECHO | Shares | $7.8M | 67K |
| Navios Maritime Partners Lp | Shares | $5.9M | 87K | |
| Vertiv Holdings Co | VRT | Shares | $5.6M | 23K |
| Corning Inc | GLW | Shares | $5.6M | 41K |
| Goldman Sachs Group Inc | GS | Shares | $4.9M | 6K |
| Berkshire Hathaway Inc Del | BRK/B | Shares | $4.9M | 10K |
| Ge Vernova Inc | GEV | Shares | $4.8M | 6K |
| Halliburton Co | HAL | Shares | $4.3M | 111K |
| Mgm Resorts International | MGM | Shares | $4.0M | 109K |
| Canadian Nat Res Ltd Med Ter | CNQ | Shares | $3.8M | 79K |
| Marathon Pete Corp | MPC | Shares | $3.8M | 16K |
| Triple Flag Precious Metal | TFPM | Shares | $3.1M | 90K |
| State Str Spdr S&P 500 Etf T | SPY | Shares | $3.0M | 5K |
| Globalstar Inc | GSAT | Shares | $2.9M | 44K |
| Nve Corp | NVEC | Shares | $2.8M | 43K |
| Oracle Corp | ORCL | Shares | $2.4M | 16K |
| Microsoft Corp | MSFT | Shares | $2.3M | 6K |
| Johnson & Johnson | JNJ | Shares | $2.2M | 9K |
| Micron Technology Inc | MU | Shares | $2.0M | 6K |
| Constellation Energy Corp | CEG | Shares | $1.9M | 7K |
| American Intl Group Inc | AIG | Shares | $1.9M | 25K |
| Exxon Mobil Corp | XOM | Shares | $1.8M | 10K |
| First Ctzns Bancshares Inc D | FCNCA | Shares | $1.7M | 876 |
| Vitesse Energy Inc | VTS | Shares | $1.6M | 88K |
| Abbvie Inc | ABBV | Shares | $1.5M | 7K |
| Bwx Technologies Inc | BWXT | Shares | $1.5M | 7K |
| Noble Corp Plc | Shares | $1.5M | 30K | |
| Dollar Gen Corp | DG | Shares | $1.4M | 12K |
| Amazon Com Inc | AMZN | Shares | $1.2M | 6K |
| Ge Aerospace | GE | Shares | $1.2M | 4K |
| Invesco Qqq Tr | QQQ | Shares | $1.2M | 2K |
| Baker Hughes Company | BKR | Shares | $1.2M | 19K |
| Jpmorgan Chase & Co | JPM | Shares | $1.1M | 4K |
| Energy Transfer L P | ET | Shares | $1.1M | 58K |
| Costco Wholesale Corporation | COST | Shares | $1.1M | 1K |
| Gallagher Arthur J & Co | AJG | Shares | $1.1M | 5K |
| Reaves Util Income Fd | UTG | Shares | $1.1M | 28K |
| Olin Corp | OLN | Shares | $1.1M | 36K |
| Netflix Inc. | NFLX | Shares | $1.0M | 11K |
| Eli Lilly & Co | LLY | Shares | $1.0M | 1K |
| Williams Cos Inc | WMB | Shares | $924K | 13K |
| Caterpillar Inc | CAT | Shares | $921K | 1K |
| Chubb Ltd Switz | Shares | $903K | 3K | |
| Chevron Corporation | CVX | Shares | $902K | 4K |
| Elevance Health Inc Formerly | ELV | Shares | $871K | 3K |
| Spdr Gold Tr | GLD | Shares | $861K | 2K |
| Enterprise Prods Partners L | EPD | Shares | $859K | 23K |
| Tidewater Inc New | TDW | Shares | $828K | 10K |
| Honeywell Intl Inc | HONGBP | Shares | $769K | 3K |
| Public Svc Enterprise Group | PEG | Shares | $741K | 9K |
| Cheniere Energy Inc | LNG | Shares | $709K | 3K |
| Teck Resources Ltd | TECK | Shares | $681K | 13K |
| Mplx Lp | MPLX | Shares | $658K | 12K |
| Apollo Global Mgmt Inc | APO | Shares | $652K | 6K |
| Meta Platforms Inc | META | Shares | $629K | 1K |
| Amgen Inc | AMGN | Shares | $622K | 2K |
| Walmart Inc | WMT | Shares | $621K | 5K |
| Home Depot Inc | HD | Shares | $617K | 2K |
| Transocean Ltd | Shares | $613K | 93K | |
| Qualcomm Inc | QCOM | Shares | $594K | 5K |
| Martin Marietta Matls Inc | MLM | Shares | $589K | 1K |
| Ishares Tr | SOXX | Shares | $575K | 2K |
| Simon Ppty Group Inc New | SPG | Shares | $560K | 3K |
| Vertex Pharmaceuticals Inc | VRTX | Shares | $558K | 1K |
| Vanguard Index Fds | VTV | Shares | $520K | 3K |
| Phillips 66 | PSX | Shares | $519K | 3K |
| Waste Mgmt Inc Del | WM | Shares | $483K | 2K |
| Intercontinental Exchange In | ICE | Shares | $478K | 3K |
| Invesco Exchange Traded Fd T | RSP | Shares | $465K | 2K |
| Pnc Finl Svcs Group Inc | PNC | Shares | $463K | 2K |
| Sixth Street Specialty Lendi | TSLX | Shares | $460K | 25K |
| Quanta Svcs Inc | PWR | Shares | $439K | 800 |
| Ishares Tr | ITA | Shares | $438K | 2K |
| Tesla Inc | TSLA | Shares | $429K | 1K |
| American Express Co | AXP | Shares | $428K | 1K |
| Morgan Stanley | MS | Shares | $411K | 3K |
| Ishares Silver Tr | SLV | Shares | $409K | 6K |
| Oneok Inc New | OKE | Shares | $407K | 5K |
| Madison Square Grdn Sprt Cor | MSGS | Shares | $394K | 1K |
| Mastercard Incorporated | MA | Shares | $375K | 750 |
| Nextera Energy Inc | NEE | Shares | $365K | 4K |
| Marsh & Mclennan Cos Inc | MRSH | Shares | $352K | 2K |
| Palo Alto Networks Inc | PANW | Shares | $345K | 2K |
| Ishares Tr | IBB | Shares | $338K | 2K |
| Novartis Ag | NVS | Shares | $318K | 2K |
| Hilton Worldwide Hldgs Inc | HLT | Shares | $304K | 1K |
| Ishares Tr | PFF | Shares | $303K | 10K |
| Mckesson Corp | MCK | Shares | $303K | 350 |
| Visa Inc | V | Shares | $302K | 1K |
| Palantir Technologies Inc | PLTR | Shares | $293K | 2K |
| Procter & Gamble Co | PG | Shares | $290K | 2K |
| Myr Group Inc | MYRG | Shares | $282K | 1K |
| L3Harris Technologies Inc | LHX | Shares | $281K | 814 |
| Enovix Corporation | ENVX | Shares | $256K | 50K |
| Ishares Tr | IVV | Shares | $250K | 382 |
Values as reported in public regulatory filings (USD); holdings are reported quarterly, up to 45 days after quarter end, and may contain reporting errors. Nothing here is investment advice.