Merrion Investment Management Co, LLC
CIK 1383782 · View on SEC EDGAR ↗
- Portfolio value
- $211.3M
- Positions
- 106
- As of
- June 30, 2026
#6,285 of 9,443 by 13F value · top 66.6%
Portfolio value QoQ: +13.6% 13F does not disclose cash
- Top 10 holdings weight
- 44.53%
- Top 25 holdings weight
- 71.54%
- Positions above 1%
- 24
- Effective number of positions
- 35.1
Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)
Turnover Q2 2026: 4.42% Est. buys $8,779,898 · sells $8,858,941
Median holding: 7.0 quarters Tracked Q4 2024–Q2 2026 · 81.5% still held
- New positions
- 5
- Increased
- 14
- Decreased
- 15
- Closed
- 8
On this page
- Performance vs S&P How this manager's 13F portfolio performed against the S&P 500.
- Sector breakdown How the portfolio splits across market sectors.
- Portfolio Every stock this institution reports holding, from its latest 13F.
- High-conviction bets The holdings this manager is most concentrated in.
- Biggest new bets Brand-new positions opened in the latest quarter.
- Top moves The biggest position increases and decreases this quarter.
- Exited positions Positions the manager fully sold out of last quarter.
Performance vs S&P 500
Annualized: +29.9% · S&P 500: +18.0%
Approximates a buy-and-hold portfolio built from quarterly SEC 13F snapshots. Excludes cash, short positions, options/derivatives, and non-13(f) securities — reflects the disclosed long-equity book only, not total fund AUM. SEC filing lag is up to 45 days; this is not a real-time-copyable timing.
Priceable coverage: 94.6% · Options excluded: 0.0%
Sector breakdown
Technology
18.8%
Industrials
18.2%
Energy
14.8%
Communication Services
11.4%
Financial Services
7.9%
Healthcare
4.2%
Telecommunication
3.7%
Financials
3.6%
Consumer Discretionary
2.9%
Retail
2.4%
Materials
2.2%
Utilities
1.4%
Real Estate
0.4%
Consumer products
0.1%
Paper & Forest
0.0%
Other/Unmapped
8.0%
Full portfolio 106 positions
| Type | Streak | 8Q trend | |||||
|---|---|---|---|---|---|---|---|
| GOOG Alphabet Inc. - Class C Capital Stock | $15,571,960 | 7.37% | 44,072 | $2,900,790 | Down ×1 | ||
| NVDA NVIDIA Corporation - Common Stock | $12,990,840 | 6.15% | 64,925 | $1,667,280 | |||
| AAPL Apple Inc. - Common Stock | $10,936,940 | 5.18% | 37,797 | $1,344,440 | |||
| GLW Corning Incorporated Common Stock | $10,562,030 | 5.00% | 41,350 | $4,939,680 | |||
| CCJ Cameco Corporation Common Stock | $8,260,850 | 3.91% | 81,100 | $-547,420 | |||
| GSAT Globalstar, Inc. - Common Stock | $7,737,260 | 3.66% | 95,181 | $4,835,970 | Up ×1 | ||
| VRT Vertiv Holdings, LLC Class A Common Stock | $7,533,450 | 3.57% | 22,500 | $1,895,400 | |||
| JEF Jefferies Financial Group Inc. Common Stock | $7,391,790 | 3.50% | 147,895 | $-808,350 | Down ×6 | ||
| SATS EchoStar Corporation - Common stock | $6,757,870 | 3.20% | 66,580 | $-1,051,280 | Down ×1 | ||
| GEV GE Vernova Inc. Common Stock | $6,346,590 | 3.00% | 5,402 | $1,526,440 | Down ×3 | ||
| NMM Navios Maritime Partners LP Common Units Representing Limited Partner Interests | $6,268,810 | 2.97% | 89,465 | $366,680 | Up ×6 | ||
| GS Goldman Sachs Group, Inc. (The) Common Stock | $5,869,990 | 2.78% | 5,804 | $959,870 | |||
| MGM MGM Resorts International Common Stock | $5,223,720 | 2.47% | 109,260 | $1,180,010 | |||
| BRKB | $5,122,490 | 2.42% | 10,237 | $216,920 | |||
| NVEC NVE Corporation - Common Stock | $4,523,360 | 2.14% | 43,265 | $1,726,510 | Up ×1 | ||
| MU Micron Technology, Inc. - Common Stock | $4,285,880 | 2.03% | 3,713 | $2,257,160 | Down ×4 | ||
| MPC Marathon Petroleum Corporation Common Stock | $3,993,310 | 1.89% | 15,619 | $179,470 | |||
| HAL Halliburton Company Common Stock | $3,765,060 | 1.78% | 110,900 | $-558,930 | |||
| SPY SPY | $3,382,870 | 1.60% | 4,530 | $393,260 | Down ×1 | ||
| CNQ Canadian Natural Resources Limited Common Stock | $3,112,600 | 1.47% | 78,800 | $-727,320 | |||
| TFPM Triple Flag Precious Metals Corp. Common Shares | $2,704,490 | 1.28% | 90,240 | $-427,740 | |||
| ORCL Oracle Corporation Common Stock | $2,403,420 | 1.14% | 16,400 | $-9,180 | |||
| MSFT Microsoft Corporation - Common Stock | $2,299,670 | 1.09% | 6,165 | $12,020 | Down ×3 | ||
| JNJ Johnson & Johnson Common Stock | $2,251,190 | 1.07% | 8,864 | $84,480 | |||
| LLY Eli Lilly and Company Common Stock | $1,859,120 | 0.88% | 1,550 | $847,380 | Up ×1 | ||
| FCNCA First Citizens BancShares, Inc. - Class A Common Stock | $1,822,770 | 0.86% | 876 | $171,810 | |||
| AIG American International Group, Inc. New Common Stock | $1,818,530 | 0.86% | 24,400 | $-92,820 | Down ×3 | ||
| ABBV AbbVie Inc. Common Stock | $1,761,480 | 0.83% | 7,000 | $239,050 | |||
| GE GE Aerospace Common Stock | $1,747,190 | 0.83% | 4,675 | $562,460 | Up ×1 | ||
| CEG Constellation Energy Corporation - Common Stock When-Issued | $1,713,750 | 0.81% | 6,900 | $-213,070 | |||
| QQQ Invesco QQQ Trust, Series 1 | $1,498,570 | 0.71% | 2,035 | $324,010 | |||
| AMZN Amazon.com, Inc. - Common Stock | $1,475,320 | 0.70% | 6,190 | $225,700 | Up ×1 | ||
| BWXT BWX Technologies, Inc. Common Stock | $1,426,780 | 0.68% | 7,330 | $-72,130 | |||
| VTS Vitesse Energy, Inc. Common Stock | $1,388,220 | 0.66% | 88,029 | $-210,380 | |||
| CAT Caterpillar, Inc. Common Stock | $1,384,370 | 0.66% | 1,300 | $463,380 | |||
| DG Dollar General Corporation Common Stock | $1,353,120 | 0.64% | 11,755 | $-42,550 | |||
| XOM Exxon Mobil Corporation Common Stock | $1,335,750 | 0.63% | 9,770 | $-432,100 | Down ×1 | ||
| JPM JP Morgan Chase & Co. Common Stock | $1,267,420 | 0.60% | 3,872 | $128,440 | |||
| UTG | $1,221,600 | 0.58% | 30,000 | $141,400 | Up ×2 | ||
| ELV Elevance Health, Inc. Common Stock | $1,150,520 | 0.54% | 2,975 | $279,590 | |||
| AJG Arthur J. Gallagher & Co. Common Stock | $1,147,850 | 0.54% | 5,000 | $64,950 | |||
| SOXX SOXX | $1,121,330 | 0.53% | 1,750 | $546,180 | |||
| NE Noble Corporation plc A Ordinary Shares | $1,119,000 | 0.53% | 30,000 | $-353,100 | |||
| ET Energy Transfer LP Common Units | $1,108,960 | 0.52% | 58,000 | $-10,440 | |||
| BKR Baker Hughes Company - Common Stock | $1,054,500 | 0.50% | 19,000 | $-105,450 | |||
| COST Costco Wholesale Corporation - Common Stock | $1,029,020 | 0.49% | 1,100 | $-67,050 | |||
| CB Chubb Limited Common Stock | $947,020 | 0.45% | 2,771 | $43,870 | |||
| WMB Williams Companies, Inc. (The) Common Stock | $944,120 | 0.45% | 12,700 | $19,820 | |||
| NVO Novo Nordisk A/S Common Stock | $937,950 | 0.44% | 19,565 | Up ×1 | |||
| SPG Simon Property Group, Inc. Common Stock | $894,600 | 0.42% | 4,000 | $335,010 | Up ×1 | ||
| GLD | $865,690 | 0.41% | 2,350 | $5,110 | Up ×2 | ||
| QCOM QUALCOMM Incorporated - Common Stock | $851,880 | 0.40% | 4,610 | $258,210 | |||
| EPD Enterprise Products Partners L.P. Common Stock | $834,970 | 0.40% | 22,714 | $-24,520 | |||
| RIG Transocean Ltd (Switzerland) Common Stock | $796,090 | 0.38% | 162,800 | $182,820 | Up ×1 | ||
| TECK Teck Resources Ltd Ordinary Shares | $782,140 | 0.37% | 13,154 | $101,430 | |||
| NFLX Netflix, Inc. - Common Stock | $740,780 | 0.35% | 10,375 | $-278,410 | Down ×2 | ||
| PANW Palo Alto Networks, Inc. - Common Stock | $734,560 | 0.35% | 2,154 | $389,240 | |||
| CVX Chevron Corporation Common Stock | $722,880 | 0.34% | 4,361 | $-179,410 | |||
| OLN Olin Corporation Common Stock | $717,480 | 0.34% | 36,200 | $-358,740 | |||
| APO Apollo Global Management, Inc. (New) Common Stock | $692,110 | 0.33% | 5,850 | $40,310 | |||
| HD Home Depot, Inc. (The) Common Stock | $661,280 | 0.31% | 1,875 | $44,620 | |||
| TDW Tidewater Inc. Common Stock | $660,300 | 0.31% | 9,910 | $-167,680 | |||
| MPLX MPLX LP Common Units Representing Limited Partner Interests | $649,200 | 0.31% | 11,525 | $-8,530 | |||
| PEG Public Service Enterprise Group Incorporated Common Stock | $641,160 | 0.30% | 7,900 | $-99,530 | Down ×1 | ||
| META Meta Platforms, Inc. - Class A Common Stock | $619,620 | 0.29% | 1,100 | $-9,720 | |||
| ITA ITA | $606,050 | 0.29% | 2,500 | $168,550 | Up ×1 | ||
| LNG Cheniere Energy, Inc. Common Stock | $597,530 | 0.28% | 2,500 | $-111,870 | |||
| WM Waste Management, Inc. Common Stock | $579,490 | 0.27% | 2,600 | $96,940 | Up ×1 | ||
| VTV | $577,510 | 0.27% | 2,650 | $57,580 | |||
| MLM Martin Marietta Materials, Inc. Common Stock | $576,700 | 0.27% | 1,000 | $-11,980 | |||
| PWR Quanta Services, Inc. Common Stock | $576,030 | 0.27% | 800 | $136,820 | |||
| WMT Walmart Inc. - Common Stock | $566,300 | 0.27% | 5,000 | $-55,100 | |||
| AMGN Amgen Inc. - Common Stock | $537,020 | 0.25% | 1,483 | $-85,050 | Down ×1 | ||
| MS Morgan Stanley Common Stock | $522,600 | 0.25% | 2,500 | $111,180 | |||
| PNC PNC Financial Services Group, Inc. (The) Common Stock | $517,060 | 0.24% | 2,100 | $54,060 | Down ×1 | ||
| MYRG MYR Group, Inc. - Common Stock | $500,400 | 0.24% | 1,000 | $218,080 | |||
| MSGS Madison Square Garden Sports Corp. Class A Common Stock (New) | $492,250 | 0.23% | 1,225 | $98,540 | |||
| TSLA Tesla, Inc. - Common Stock | $485,790 | 0.23% | 1,155 | $56,420 | |||
| PSX Phillips 66 Common Stock | $481,790 | 0.23% | 2,850 | $-37,420 | |||
| NEM Newmont Corporation | $474,940 | 0.22% | 5,085 | Up ×1 | |||
| RSP | $462,770 | 0.22% | 2,175 | $-2,630 | Down ×1 | ||
| TSLX Sixth Street Specialty Lending, Inc. Common Stock | $429,250 | 0.20% | 25,000 | $-30,250 | |||
| AXP American Express Company Common Stock | $428,220 | 0.20% | 1,266 | $-90 | Down ×1 | ||
| ASML ASML Holding N.V. - New York Registry Shares | $399,880 | 0.19% | 201 | Up ×1 | |||
| IWD | $392,740 | 0.19% | 1,620 | Up ×1 | |||
| OKE ONEOK, Inc. Common Stock | $391,230 | 0.19% | 4,500 | $-15,520 | |||
| MA Mastercard Incorporated Common Stock | $385,200 | 0.18% | 750 | $10,460 | |||
| IBB IBB | $380,380 | 0.18% | 2,000 | $42,680 | |||
| SLV | $374,290 | 0.18% | 7,000 | $-34,550 | Up ×1 | ||
| ICE Intercontinental Exchange Inc. Common Stock | $373,890 | 0.18% | 3,037 | $-103,760 | |||
| NEE NextEra Energy, Inc. Common Stock | $345,370 | 0.16% | 3,935 | $-20,110 | |||
| V Visa Inc. | $343,090 | 0.16% | 1,000 | $40,850 | |||
| QTUM Defiance Quantum ETF | $330,760 | 0.16% | 2,000 | Up ×1 | |||
| HLT Hilton Worldwide Holdings Inc. Common Stock | $330,460 | 0.16% | 1,000 | $26,380 | |||
| NVS Novartis AG Common Stock | $325,980 | 0.15% | 2,080 | $8,260 | |||
| PFF iShares Preferred and Income Securities ETF | $304,900 | 0.14% | 10,000 | $1,700 | |||
| ENVX Enovix Corporation - Common Stock | $302,290 | 0.14% | 49,800 | $45,880 | Up ×2 | ||
| PG Procter & Gamble Company (The) Common Stock | $294,890 | 0.14% | 2,011 | $4,430 | |||
| IVV | $286,080 | 0.14% | 382 | $36,560 | |||
| ROK Rockwell Automation, Inc. Common Stock | $280,220 | 0.13% | 566 | $77,100 | |||
| No matches | |||||||
Conviction holdings
Positions increased for 3+ consecutive quarters.
Share counts are as reported in 13F filings (not split-adjusted)
| Security | Value | % of portfolio | Streak |
|---|---|---|---|
| NMM | $6,268,810 | 2.97% | up ×6 |
Biggest new bets
New positions opened this quarter, largest first.
Top movers (QoQ)
| Security | Action | Shares Δ | Value Δ |
|---|---|---|---|
| GLW | Price move only | +0 | +$4.9M |
| GSAT | Bought more | +52K | +$4.8M |
| GOOG | Trimmed | -100 | +$2.9M |
| MU | Trimmed | -2K | +$2.3M |
| VRT | Price move only | +0 | +$1.9M |
| NVEC | Bought more | +565 | +$1.7M |
| NVDA | Price move only | +0 | +$1.7M |
| GEV | Trimmed | -120 | +$1.5M |
| AAPL | Price move only | +0 | +$1.3M |
| MGM | Price move only | +0 | +$1.2M |
Exited positions
Includes corporate events (mergers, delistings) — not all exits are sells
Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.
| Security | Quarter | Shares before | Value before | Price since exit |
|---|---|---|---|---|
| HON | June 30, 2026 | 3,404 | $769,400 | -1.9% |
| ORLA | March 31, 2026 | 55,400 | $746,238 | No longer tracked |
| VRTX | June 30, 2026 | 1,250 | $558,170 | 10.1% |
| LIN | March 31, 2026 | 1,017 | $433,639 | -1.6% |
| SAP | March 31, 2026 | 1,500 | $364,365 | 25.9% |
| MRSH | June 30, 2026 | 2,031 | $352,270 | 14.7% |
| PEP | March 31, 2025 | 2,045 | $315,834 | -4.9% |
| BX | March 31, 2026 | 2,000 | $308,280 | 24.6% |
| PAG | March 31, 2025 | 2,000 | $304,880 | 51.1% |
| MCK | June 30, 2026 | 350 | $303,160 | 13.4% |
| TSCO | Dec. 31, 2025 | 5,000 | $284,350 | -30.2% |
| SPLV | Sept. 30, 2025 | 3,500 | $254,870 | No longer tracked |
| WCN | June 30, 2026 | 1,500 | $243,660 | 1.2% |
| XYL | June 30, 2026 | 2,000 | $239,000 | -3.6% |
| AVAV | June 30, 2026 | 1,250 | $228,810 | -2.5% |
| LYB | March 31, 2026 | 5,280 | $228,624 | -15.1% |
| FCX | June 30, 2025 | 6,000 | $227,160 | 77.9% |
| KW | June 30, 2026 | 20,000 | $216,400 | No longer tracked |
| COP | June 30, 2025 | 2,055 | $215,816 | 50.9% |
| NOW | March 31, 2025 | 200 | $212,024 | -18.6% |
| VEEV | March 31, 2025 | 1,000 | $210,250 | 6.9% |
| NOW | Sept. 30, 2025 | 200 | $205,610 | -29.5% |
| OOMA | March 31, 2025 | 12,578 | $176,847 | 58.3% |
| OWL | March 31, 2026 | 10,000 | $149,400 | 26.7% |