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Stock research / United States / Funds / Merrion Investment Management Co, LLC

Merrion Investment Management Co, LLC

CIK 1383782 · latest 13F filed 16 October 2026 · Read the filing on EDGAR

Merrion Investment Management Co, LLC reported 109 US-listed holdings worth $201.7 million in its 13F for the quarter ended 30 September 2026, filed 16 October 2026. Its largest: Alphabet Inc. (7.4%), NVIDIA Corp. (7.3%) and Apple Inc. (6.2%). Against the quarter before, it opened 9 positions, added to 11, trimmed 40 and sold out of 6.

Reported holdings$201.7M-4.6% on Q2 2026
Positions109+3 on Q2 2026
The largest ten44.7%of its reported holdings
Latest 13FQ3 2026filed 16 October 2026
Where the money is
Added toHeldTrimmed
GOOG7.4%NVDA7.3%AAPL6.2%NMM4.0%GSAT3.9%CCJ3.4%JEF3.4%MPC3.1%GLW3.1%ECHO2.9%GS2.6%NVEC2.6%GEV2.5%BRKB2.4%95 more45.1%

The 14 largest of its 109 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q2 2026.

Reported holdings, quarter by quarter
Q3 2024: $151.6 million in 103 positions$152MQ3 24Q4 2024: $143.7 million in 101 positions$144MQ4 24Q1 2025: $139.3 million in 98 positions$139MQ1 25Q2 2025: $154.2 million in 103 positions$154MQ2 25Q3 2025: $174.3 million in 106 positions$174MQ3 25Q4 2025: $185.7 million in 113 positions$186MQ4 25Q1 2026: $186.1 million in 109 positions$186MQ1 26Q2 2026: $211.3 million in 106 positions$211MQ2 26Q3 2026: $201.7 million in 109 positions$202MQ3 26

What the fund reported holding at each quarter's end; hover a bar for the number of positions

What its reported holdings returned

Held through each quarter, the holdings it reported returned +48.8% over the 8 quarters to 30 September 2026, against +32.9% for the S&P 500.

Its reported holdingsThe S&P 500
100120140Q3 24Q4 24Q1 25Q2 25Q3 25Q4 25Q1 26Q2 26Q3 26Its holdings +48.8%S&P 500 +32.9%

Not the fund's own return: each 13F's holdings are kept unchanged until the next one, so trades inside a quarter, dividends, cash and fees are left out. A rough guide to how its picks have done over time.

What it did on the quarter

Opened 9Added 11Held 49Trimmed 40Sold out 6
Opened: 9Added: 11Held: 49Trimmed: 40Sold out: 6

Its positions against its 13F for the quarter to 30 June 2026; a change under 0.1% of a position counts as held

Opened 9

  1. Valaris Ltd. VAL$1.6 million
  2. ExxonMobil Holdings Corp. XOM$1.6 million
  3. Curtiss Wright Corp. CW$799,415
  4. Equinox Gold Corp. EQX$423,291
  5. ONEOK Inc. OKE$383,715
  6. Honeywell International Inc. HON$354,379
  7. CrowdStrike Holdings, Inc. CRWD$264,750
  8. Honeywell Aerospace Inc. HONA$260,350

and 1 more in the table below

Added to 11

  1. NVE Corp NVEC+4,325 shares · +10%
  2. Palo Alto Networks Inc. PANW+750 shares · +35%
  3. iShares Russell 1000 Value Inde IWD+1,000 shares · +62%
  4. Marathon Petroleum Corp. MPC+435 shares · +3%
  5. JPMorgan Chase & Co. JPM+455 shares · +12%
  6. Chevron Corp. CVX+470 shares · +11%
  7. iShares Trust IBB+250 shares · +12%
  8. Invesco Exchange Traded FD T RSP+245 shares · +11%

and 3 more in the table below

Trimmed 40

  1. Micron Technology Inc. MU-1,900 shares · -51%
  2. Vertiv Holdings Co. VRT-4,212 shares · -19%
  3. Olin Corp. OLN-23,600 shares · -65%
  4. Cheniere Energy, Inc. LNG-1,000 shares · -40%
  5. Intercontinental Exchange, Inc. ICE-1,500 shares · -49%
  6. Cameco Corp. CCJ-2,600 shares · -3%
  7. Netflix Inc. NFLX-3,100 shares · -30%
  8. Berkshire Hathaway Inc. Class B BRKB-430 shares · -4%

and 32 more in the table below

Sold out of 6

  1. MGM Resorts International MGM$5.2 million last quarter
  2. ExxonMobil Holdings Corp. XOM$1.3 million last quarter
  3. ONEOK Inc. OKE$391,230 last quarter
  4. NRG Energy, Inc. NRG$238,810 last quarter
  5. L3Harris Technologies, Inc. LHX$236,540 last quarter
  6. Uber Technologies, Inc. UBER$208,540 last quarter

What it holds

CompanySharesValueOf its bookChange in shares
Alphabet Inc. GOOG43.9K$15.0 million7.42%-175
NVIDIA Corp. NVDA64.6K$14.8 million7.32%-325
Apple Inc. AAPL37.7K$12.6 million6.23%-85
Navios Maritime Partners L P Com Unit Lpi NMM89.5K$8.0 million3.99%no change
Globalstar Inc. Com New GSAT95.2K$7.9 million3.91%no change
Cameco Corp. CCJ78.5K$6.8 million3.37%-2.6K
Jefferies Financial Group Inc. JEF147.9K$6.8 million3.35%no change
Marathon Petroleum Corp. MPC16.1K$6.3 million3.15%+435
Corning Inc. GLW40.9K$6.3 million3.11%-500
EchoStar Corp. ECHO65.0K$5.8 million2.88%-1.6K
Goldman Sachs Group Inc. GS5.9K$5.3 million2.61%+50
NVE Corp NVEC47.6K$5.2 million2.60%+4.3K
GE Vernova Inc. GEV5.3K$5.0 million2.50%-95
Berkshire Hathaway Inc. Class B BRKB9.8K$4.9 million2.42%-430
Vertiv Holdings Co. VRT18.3K$4.4 million2.19%-4.2K
Canadian Natural Resources Limited CNQ78.8K$3.7 million1.86%no change
Halliburton Co. HAL108.7K$3.5 million1.71%-2.2K
SPDR S&P 500 SPY4.5K$3.4 million1.71%-15
Microsoft Corp. MSFT6.1K$3.1 million1.54%-100
Triple Flag Precious Metal TFPM90.2K$2.8 million1.38%-40
Johnson & Johnson JNJ8.8K$2.3 million1.16%-60
Oracle Corp. ORCL15.9K$2.2 million1.08%-500
Micron Technology Inc. MU1.8K$1.9 million0.96%-1.9K
AbbVie Inc. ABBV7.0K$1.8 million0.91%no change
First Citizens Bancshares Inc. FCNCA868$1.8 million0.89%-8
Eli Lilly & Co. LLY1.5K$1.8 million0.89%-5
American International Group, Inc. AIG23.9K$1.8 million0.88%-500
Valaris Ltd. VAL21.0K$1.6 million0.82%new
Constellation Energy Corp. CEG6.3K$1.6 million0.80%-550
ExxonMobil Holdings Corp. XOM9.8K$1.6 million0.79%new
Amazon.com Inc. AMZN6.2K$1.5 million0.76%no change
Invesco QQQ Trust QQQ2.0K$1.5 million0.74%-5
General Electric Co. GE4.6K$1.4 million0.71%-60
JPMorgan Chase & Co. JPM4.3K$1.4 million0.71%+455
Vitesse Energy Inc VTS85.5K$1.4 million0.71%-2.5K
Dollar General Corp. DG11.6K$1.4 million0.69%-130
Noble Corp. plc NE30.0K$1.3 million0.62%no change
Palo Alto Networks Inc. PANW2.9K$1.2 million0.57%+750
Energy Transfer LP ET58.0K$1.1 million0.57%no change
Elevance Health, Inc. ELV2.9K$1.1 million0.57%-35
Arthur J. Gallagher & Co. AJG5.0K$1.1 million0.57%no change
Caterpillar Inc. CAT1.3K$1.1 million0.52%no change
Baker Hughes Co. BKR18.8K$1.0 million0.51%-200
Reaves Util Income FD UTG30.0K$1.0 million0.51%no change
Costco Wholesale Corp. COST1.1K$1.0 million0.50%no change
iShares Trust SOXX1.8K$995,1200.49%no change
BWX Technologies, Inc. BWXT7.2K$991,8800.49%-90
Chevron Corp. CVX4.8K$986,5390.49%+470
Chubb Ltd. CB2.8K$904,0940.45%no change
SPDR Gold Trust GLD2.4K$894,9740.44%no change
Williams Companies, Inc. WMB12.7K$863,2190.43%no change
Teck Resources Ltd TECK13.0K$854,5460.42%-165
Transocean Ltd. RIG162.8K$853,0720.42%no change
Qualcomm Inc. QCOM4.5K$837,3820.42%-60
Meta Platforms, Inc. META1.1K$826,7050.41%+40
Enterprise Products Partners L.P. EPD22.6K$805,6410.40%-90
Simon Property Group Inc. SPG4.0K$803,0400.40%no change
Curtiss Wright Corp. CW1.5K$799,4150.40%new
Tidewater Inc. TDW9.8K$795,5910.39%-100
Novo Nordisk A/S NVO19.3K$732,8000.36%-235
Phillips 66 PSX2.9K$727,6340.36%no change
Amgen Inc. AMGN1.6K$667,2500.33%+100
Apollo Global Management, Inc. APO5.7K$661,5420.33%-150
iShares Russell 1000 Value Inde IWD2.6K$649,5770.32%+1.0K
Mplx LP MPLX11.5K$649,0880.32%no change
Newmont Corp. NEM5.0K$576,1230.29%-90
Vanguard Value ETF VTV2.6K$572,6120.28%no change
Public Service Enterprise Group Inc. PEG7.9K$531,9860.26%no change
Waste Management Inc. WM2.6K$530,1920.26%no change
Walmart Inc. WMT5.0K$519,6000.26%no change
Home Depot, Inc. HD1.8K$519,1940.26%-50
iShares Trust ITA2.5K$517,9500.26%no change
Quanta Services, Inc. PWR800$514,0080.25%no change
Netflix Inc. NFLX7.3K$506,1950.25%-3.1K
Invesco Exchange Traded FD T RSP2.4K$503,4080.25%+245
Martin Marietta Materials Inc. MLM1.0K$479,8100.24%no change
MSG Knickerbockers Corp. MSGS1.2K$478,1480.24%-45
iShares Trust IBB2.2K$473,6930.23%+250
Morgan Stanley MS2.5K$470,2000.23%no change
PNC Financial Services Group, Inc. PNC2.1K$466,7460.23%no change
Sixth Street Specialty Lendi TSLX25.0K$450,5000.22%no change
Equinox Gold Corp. EQX38.1K$423,2910.21%new
Mastercard Inc. MA750$413,6030.21%no change
Tesla, Inc. TSLA1.2K$409,8060.20%no change
Cheniere Energy, Inc. LNG1.5K$403,5450.20%-1.0K
American Express Co. AXP1.3K$384,9910.19%no change
ONEOK Inc. OKE4.5K$383,7150.19%new
iShares Silver Trust SLV7.0K$381,5700.19%no change
Palantir Technologies Inc. PLTR2.0K$374,1000.19%no change
ASML Holding N.V. ASML201$364,1460.18%no change
Visa Inc. V1.0K$359,3300.18%no change
Honeywell International Inc. HON1.7K$354,3790.18%new
Hilton Worldwide Holdings Inc. HLT1.0K$318,1200.16%no change
Defiance Quantum ETF QTUM2.0K$303,2400.15%no change
NextEra Energy Inc. NEE3.9K$298,0370.15%no change
Novartis AG NVS2.1K$296,5460.15%no change
iShares Trust PFF10.0K$295,0000.15%no change
iShares Core S&P 500 ETF IVV382$292,5550.15%no change
MYR Group Inc. MYRG1.0K$292,4600.15%no change
Procter & Gamble Co. PG2.0K$292,1580.14%no change
CrowdStrike Holdings, Inc. CRWD1.0K$264,7500.13%new
Honeywell Aerospace Inc. HONA1.7K$260,3500.13%new
Rockwell Automation, Inc. ROK566$246,3970.12%no change
Intercontinental Exchange, Inc. ICE1.5K$233,6700.12%-1.5K
AllianceBernstein Holding LP AB6.5K$226,7200.11%no change
Flowserve Corp. FLS3.0K$219,3600.11%new
Olin Corp. OLN12.6K$195,3000.10%-23.6K
Enovix Corporation ENVX47.6K$138,0400.07%-2.2K
Mercer Intl Inc. MERC150.0K$46,5600.02%no change
Every US-listed position in the fund's 13F for the quarter ended 30 September 2026, by the value it reported.
Read moreChange is shares against its 13F for the quarter before; the 6 it sold out of are in the box above.