Merrion Investment Management Co, LLC

13F filer · CIK 0001383782

Reported Jul 13, 2026

Net seller this quarter

13F portfolio value$211MU.S. long equity reported on 13F

Positions984 new · 8 closed

Net flow last quarter-$143KBuys minus sells

Top 10 positions weight44.5%Concentration

Holdings

13F · last 4 quarters free

Scroll for earlier quarters

Company	Value	% of portfolio	% of company	POSITION CHANGE qoq %	First reported
Q2 2026Reported Jul 13, 202698 positions
GOOGAlphabet Inc.	$15.6M	7.37%	Not reported	-0.2%	Q4 2020
NVDANvidia Corp	$13M	6.15%	0.00%	Not reported	Q4 2020
AAPLApple Inc.	$10.9M	5.18%	0.00%	Not reported	Q4 2020
GLWCorning Inc	$10.6M	5.00%	0.00%	Not reported	Q4 2020
CCJCameco Corp	$8.26M	3.91%	0.02%	Not reported	Q4 2020
GSATGlobalstar, Inc.	$7.74M	3.66%	0.08%	+117.9%	Q4 2020
VRTVertiv Holdings Co	$7.53M	3.57%	0.01%	Not reported	Q4 2020
JEFJefferies Financial Group Inc.	$7.39M	3.50%	0.07%	-25.6%	Q4 2020
ECHOEchoStar CORP	$6.76M	3.20%	0.14%	-0.2%	Q4 2025
GEVGE Vernova Inc.	$6.35M	3.00%	0.00%	-2.2%	Q2 2024
NMMNavios Maritime Partners L.P.	$6.27M	2.97%	0.31%	+2.3%	Q3 2024
GSGoldman Sachs Group Inc	$5.87M	2.78%	0.00%	Not reported	Q4 2020
MGMMGM Resorts International	$5.22M	2.47%	0.04%	Not reported	Q1 2022
BRK.BBerkshire Hathaway Inc	$5.12M	2.42%	Not reported	Not reported	Q4 2020
NVECNve Corp	$4.52M	2.14%	0.89%	+1.3%	Q4 2020
MUMicron Technology Inc	$4.29M	2.03%	0.00%	-38.2%	Q2 2021
MPCMarathon Petroleum Corp	$3.99M	1.89%	0.01%	Not reported	Q4 2020
HALHalliburton Co	$3.77M	1.78%	0.01%	Not reported	Q3 2022
SPYSPDR S&P 500 ETF Trust	$3.38M	1.60%	Not reported	-1.5%	Q4 2020
CNQCANADIAN NATURAL RESOURCES Ltd	$3.11M	1.47%	0.00%	Not reported	Q1 2024
TFPMTriple Flag Precious Metals Corp.	$2.7M	1.28%	0.04%	Not reported	Q2 2023
ORCLOracle Corp	$2.4M	1.14%	0.00%	Not reported	Q4 2025
MSFTMicrosoft Corp	$2.3M	1.09%	0.00%	-0.2%	Q4 2020
JNJJohnson & Johnson	$2.25M	1.07%	0.00%	Not reported	Q4 2020
LLYELI LILLY & Co	$1.86M	0.88%	0.00%	+40.9%	Q2 2021
FCNCAFirst Citizens Bancshares Inc	$1.82M	0.86%	Not reported	Not reported	Q2 2023
AIGAmerican International Group, Inc.	$1.82M	0.86%	0.00%	-3.9%	Q4 2024
ABBVAbbVie Inc.	$1.76M	0.83%	0.00%	Not reported	Q4 2020
GEGeneral Electric Co	$1.75M	0.83%	0.00%	+12.0%	Q2 2023
CEGConstellation Energy Corp	$1.71M	0.81%	0.00%	Not reported	Q3 2023
QQQInvesco QQQ Trust, Series 1	$1.5M	0.71%	Not reported	Not reported	Q4 2020
AMZNAmazon Com Inc	$1.48M	0.70%	0.00%	+3.2%	Q4 2020
BWXTBWX Technologies, Inc.	$1.43M	0.68%	0.01%	Not reported	Q1 2024
VTSVitesse Energy, Inc.	$1.39M	0.66%	0.21%	Not reported	Q1 2023
CATCaterpillar Inc	$1.38M	0.66%	0.00%	Not reported	Q1 2024
DGDollar General Corp	$1.35M	0.64%	0.01%	Not reported	Q3 2025
XOMExxonMobil Holdings Corp	$1.34M	0.63%	0.00%	-6.2%	Q4 2020
JPMJPMorgan Chase & Co	$1.27M	0.60%	0.00%	Not reported	Q4 2020
UTGReaves Utility Income Fund	$1.22M	0.58%	Not reported	+9.1%	Q4 2020
ELVElevance Health, Inc.	$1.15M	0.54%	0.00%	Not reported	Q4 2025
AJGArthur J. Gallagher & Co.	$1.15M	0.54%	0.00%	Not reported	Q4 2020
NENoble Corp plc	$1.12M	0.53%	0.02%	Not reported	Q4 2022
ETEnergy Transfer LP	$1.11M	0.52%	0.00%	Not reported	Q4 2025
BKRBaker Hughes Co	$1.05M	0.50%	0.00%	Not reported	Q2 2025
COSTCostco Wholesale Corp	$1.03M	0.49%	0.00%	Not reported	Q4 2020
CBChubb Ltd	$947K	0.45%	0.00%	Not reported	Q4 2020
WMBWilliams Companies, Inc.	$944K	0.45%	0.00%	Not reported	Q4 2020
NVONovo Nordisk A S	$938K	0.44%	Not reported	New	Q2 2026
SPGSimon Property Group Inc.	$895K	0.42%	50.00%	+33.3%	Q4 2020
GLDSPDR Gold Trust	$866K	0.41%	0.00%	+17.5%	Q4 2020

Q1 2026Reported Apr 23, 2026102 positions
GOOGAlphabet Inc.	$12.7M	6.81%	Not reported	Not reported	Q4 2020
NVDANvidia Corp	$11.3M	6.09%	0.00%	Not reported	Q4 2020
AAPLApple Inc.	$9.59M	5.16%	0.00%	Not reported	Q4 2020
CCJCameco Corp	$8.81M	4.73%	0.02%	-44.9%	Q4 2020
JEFJefferies Financial Group Inc.	$8.2M	4.41%	0.10%	-0.5%	Q4 2020
ECHOEchoStar CORP	$7.81M	4.20%	0.14%	+34.5%	Q4 2025
NMMNavios Maritime Partners L.P.	$5.9M	3.17%	0.31%	+14.6%	Q3 2024
VRTVertiv Holdings Co	$5.64M	3.03%	0.01%	Not reported	Q4 2020
GLWCorning Inc	$5.62M	3.02%	0.00%	-0.4%	Q4 2020
GSGoldman Sachs Group Inc	$4.91M	2.64%	0.00%	+4.5%	Q4 2020
BRK.BBerkshire Hathaway Inc	$4.91M	2.64%	Not reported	Not reported	Q4 2020
GEVGE Vernova Inc.	$4.82M	2.59%	0.00%	-0.7%	Q2 2024
HALHalliburton Co	$4.32M	2.32%	0.01%	Not reported	Q3 2022
MGMMGM Resorts International	$4.04M	2.17%	0.04%	Not reported	Q1 2022
CNQCANADIAN NATURAL RESOURCES Ltd	$3.84M	2.06%	0.00%	Not reported	Q1 2024
MPCMarathon Petroleum Corp	$3.81M	2.05%	0.01%	Not reported	Q4 2020
TFPMTriple Flag Precious Metals Corp.	$3.13M	1.68%	0.04%	Not reported	Q2 2023
SPYSPDR S&P 500 ETF Trust	$2.99M	1.61%	Not reported	Not reported	Q4 2020
GSATGlobalstar, Inc.	$2.9M	1.56%	0.03%	Not reported	Q4 2020
NVECNve Corp	$2.8M	1.50%	0.88%	Not reported	Q4 2020
ORCLOracle Corp	$2.41M	1.30%	0.00%	Not reported	Q4 2025
MSFTMicrosoft Corp	$2.29M	1.23%	0.00%	-9.2%	Q4 2020
JNJJohnson & Johnson	$2.17M	1.16%	0.00%	Not reported	Q4 2020
MUMicron Technology Inc	$2.03M	1.09%	0.00%	-4.0%	Q2 2021
CEGConstellation Energy Corp	$1.93M	1.04%	0.00%	Not reported	Q3 2023
AIGAmerican International Group, Inc.	$1.91M	1.03%	0.00%	-3.8%	Q4 2024
XOMExxonMobil Holdings Corp	$1.77M	0.95%	0.00%	Not reported	Q4 2020
FCNCAFirst Citizens Bancshares Inc	$1.65M	0.89%	Not reported	Not reported	Q2 2023
VTSVitesse Energy, Inc.	$1.6M	0.86%	0.22%	+1.2%	Q1 2023
ABBVAbbVie Inc.	$1.52M	0.82%	0.00%	Not reported	Q4 2020
BWXTBWX Technologies, Inc.	$1.5M	0.81%	0.01%	Not reported	Q1 2024
NENoble Corp plc	$1.47M	0.79%	0.02%	Not reported	Q4 2022
DGDollar General Corp	$1.4M	0.75%	0.01%	Not reported	Q3 2025
AMZNAmazon Com Inc	$1.25M	0.67%	0.00%	-0.3%	Q4 2020
GEGeneral Electric Co	$1.18M	0.64%	0.00%	-0.6%	Q2 2023
QQQInvesco QQQ Trust, Series 1	$1.17M	0.63%	Not reported	-4.7%	Q4 2020
BKRBaker Hughes Co	$1.16M	0.62%	0.00%	Not reported	Q2 2025
JPMJPMorgan Chase & Co	$1.14M	0.61%	0.00%	Not reported	Q4 2020
ETEnergy Transfer LP	$1.12M	0.60%	0.00%	Not reported	Q4 2025
COSTCostco Wholesale Corp	$1.1M	0.59%	0.00%	-26.7%	Q4 2020
AJGArthur J. Gallagher & Co.	$1.08M	0.58%	0.00%	Not reported	Q4 2020
UTGReaves Utility Income Fund	$1.08M	0.58%	Not reported	+10.0%	Q4 2020
OLNOLIN Corp	$1.08M	0.58%	0.03%	+18.7%	Q3 2024
NFLXNetflix Inc	$1.02M	0.55%	0.00%	-8.6%	Q4 2020
LLYELI LILLY & Co	$1.01M	0.54%	0.00%	Not reported	Q2 2021
WMBWilliams Companies, Inc.	$924K	0.50%	0.00%	Not reported	Q4 2020
CATCaterpillar Inc	$921K	0.49%	0.00%	Not reported	Q1 2024
CBChubb Ltd	$903K	0.49%	0.00%	Not reported	Q4 2020
CVXChevron Corp	$902K	0.48%	0.00%	Not reported	Q4 2020
ELVElevance Health, Inc.	$871K	0.47%	0.00%	Not reported	Q4 2025

Q4 2025Reported Feb 17, 2026105 positions
GOOGAlphabet Inc.	$13.9M	7.47%	Not reported	-1.7%	Q4 2020
CCJCameco Corp	$13.5M	7.26%	0.03%	-26.5%	Q4 2020
JEFJefferies Financial Group Inc.	$12.4M	6.67%	0.10%	-3.4%	Q4 2020
NVDANvidia Corp	$12.1M	6.52%	0.00%	-1.4%	Q4 2020
AAPLApple Inc.	$10.3M	5.53%	0.00%	Not reported	Q4 2020
ECHOEchoStar CORP	$5.39M	2.90%	0.10%	New	Q4 2025
BRK.BBerkshire Hathaway Inc	$5.15M	2.77%	Not reported	Not reported	Q4 2020
GSGoldman Sachs Group Inc	$4.88M	2.63%	0.00%	-0.6%	Q4 2020
NMMNavios Maritime Partners L.P.	$4M	2.15%	0.27%	+16.9%	Q3 2024
MGMMGM Resorts International	$3.99M	2.15%	0.04%	-4.5%	Q1 2022
VRTVertiv Holdings Co	$3.65M	1.96%	0.01%	-25.0%	Q4 2020
GEVGE Vernova Inc.	$3.64M	1.96%	0.00%	-0.5%	Q2 2024
GLWCorning Inc	$3.63M	1.96%	0.00%	-17.8%	Q4 2020
MSFTMicrosoft Corp	$3.29M	1.77%	0.00%	-0.8%	Q4 2020
ORCLOracle Corp	$3.2M	1.72%	0.00%	New	Q4 2025
SPYSPDR S&P 500 ETF Trust	$3.13M	1.69%	Not reported	-0.2%	Q4 2020
HALHalliburton Co	$3.13M	1.69%	0.01%	-1.5%	Q3 2022
TFPMTriple Flag Precious Metals Corp.	$3M	1.61%	0.04%	Not reported	Q2 2023
CNQCANADIAN NATURAL RESOURCES Ltd	$2.7M	1.45%	0.00%	Not reported	Q1 2024
GSATGlobalstar, Inc.	$2.67M	1.44%	0.03%	Not reported	Q4 2020
MPCMarathon Petroleum Corp	$2.54M	1.37%	0.01%	Not reported	Q4 2020
NVECNve Corp	$2.53M	1.36%	0.88%	-1.2%	Q4 2020
CEGConstellation Energy Corp	$2.44M	1.31%	0.00%	-8.3%	Q3 2023
AIGAmerican International Group, Inc.	$2.26M	1.22%	0.00%	-7.0%	Q4 2024
FCNCAFirst Citizens Bancshares Inc	$1.88M	1.01%	Not reported	Not reported	Q2 2023
JNJJohnson & Johnson	$1.83M	0.99%	0.00%	-8.3%	Q4 2020
MUMicron Technology Inc	$1.79M	0.96%	0.00%	-44.5%	Q2 2021
VTSVitesse Energy, Inc.	$1.68M	0.90%	0.23%	-0.4%	Q1 2023
ABBVAbbVie Inc.	$1.6M	0.86%	0.00%	Not reported	Q4 2020
DGDollar General Corp	$1.56M	0.84%	0.01%	+72.5%	Q3 2025
AMZNAmazon Com Inc	$1.39M	0.75%	0.00%	+0.3%	Q4 2020
QQQInvesco QQQ Trust, Series 1	$1.31M	0.71%	Not reported	Not reported	Q4 2020
AJGArthur J. Gallagher & Co.	$1.29M	0.70%	0.00%	Not reported	Q4 2020
GEGeneral Electric Co	$1.29M	0.70%	0.00%	Not reported	Q2 2023
COSTCostco Wholesale Corp	$1.29M	0.70%	0.00%	Not reported	Q4 2020
BWXTBWX Technologies, Inc.	$1.27M	0.68%	0.01%	Not reported	Q1 2024
XOMExxonMobil Holdings Corp	$1.25M	0.68%	0.00%	-10.2%	Q4 2020
JPMJPMorgan Chase & Co	$1.25M	0.67%	0.00%	-6.6%	Q4 2020
LLYELI LILLY & Co	$1.18M	0.64%	0.00%	Not reported	Q2 2021
NFLXNetflix Inc	$1.09M	0.59%	0.00%	Not reported	Q4 2020
ELVElevance Health, Inc.	$1.04M	0.56%	0.00%	New	Q4 2025
APOApollo Global Management, Inc.	$992K	0.53%	0.00%	Not reported	Q4 2020
ETEnergy Transfer LP	$956K	0.52%	0.00%	New	Q4 2025
UTGReaves Utility Income Fund	$915K	0.49%	Not reported	Not reported	Q4 2020
CBChubb Ltd	$868K	0.47%	0.00%	Not reported	Q4 2020
BKRBaker Hughes Co	$865K	0.47%	0.00%	Not reported	Q2 2025
NENoble Corp plc	$847K	0.46%	0.02%	Not reported	Q4 2022
QCOMQualcomm Inc	$789K	0.42%	0.00%	Not reported	Q4 2020
WMBWilliams Companies, Inc.	$763K	0.41%	0.00%	-0.4%	Q4 2020
CATCaterpillar Inc	$745K	0.40%	0.00%	+8.3%	Q1 2024

Q3 2025Reported Oct 15, 202599 positions
CCJCameco Corp	$16.8M	9.65%	0.05%	Not reported	Q4 2020
JEFJefferies Financial Group Inc.	$13.5M	7.76%	0.10%	-0.3%	Q4 2020
NVDANvidia Corp	$12.3M	7.05%	0.00%	0.0%	Q4 2020
GOOGAlphabet Inc.	$10.9M	6.28%	Not reported	-20.4%	Q4 2020
AAPLApple Inc.	$9.62M	5.52%	0.00%	Not reported	Q4 2020
BRK.BBerkshire Hathaway Inc	$5.15M	2.95%	Not reported	+1.0%	Q4 2020
VRTVertiv Holdings Co	$4.53M	2.60%	0.01%	Not reported	Q4 2020
GSGoldman Sachs Group Inc	$4.45M	2.55%	0.00%	+1.8%	Q4 2020
GLWCorning Inc	$4.14M	2.38%	0.01%	Not reported	Q4 2020
MGMMGM Resorts International	$3.96M	2.27%	0.04%	Not reported	Q1 2022
MSFTMicrosoft Corp	$3.55M	2.04%	0.00%	Not reported	Q4 2020
GEVGE Vernova Inc.	$3.44M	1.97%	0.00%	0.0%	Q2 2024
SPYSPDR S&P 500 ETF Trust	$3.07M	1.76%	Not reported	0.0%	Q4 2020
MPCMarathon Petroleum Corp	$3.01M	1.73%	0.01%	Not reported	Q4 2020
NMMNavios Maritime Partners L.P.	$2.94M	1.69%	0.22%	+0.4%	Q3 2024
NVECNve Corp	$2.82M	1.62%	0.89%	Not reported	Q4 2020
HALHalliburton Co	$2.77M	1.59%	0.01%	-6.2%	Q3 2022
TFPMTriple Flag Precious Metals Corp.	$2.64M	1.51%	0.04%	0.0%	Q2 2023
CNQCANADIAN NATURAL RESOURCES Ltd	$2.52M	1.44%	0.00%	Not reported	Q1 2024
CEGConstellation Energy Corp	$2.48M	1.42%	0.00%	Not reported	Q3 2023
AIGAmerican International Group, Inc.	$2.23M	1.28%	0.01%	Not reported	Q4 2024
VTSVitesse Energy, Inc.	$2.03M	1.16%	0.23%	-0.3%	Q1 2023
MUMicron Technology Inc	$1.88M	1.08%	0.00%	-0.1%	Q2 2021
JNJJohnson & Johnson	$1.79M	1.03%	0.00%	Not reported	Q4 2020
ABBVAbbVie Inc.	$1.62M	0.93%	0.00%	Not reported	Q4 2020
GSATGlobalstar, Inc.	$1.59M	0.91%	0.03%	Not reported	Q4 2020
FCNCAFirst Citizens Bancshares Inc	$1.57M	0.90%	Not reported	+271.2%	Q2 2023
AJGArthur J. Gallagher & Co.	$1.55M	0.89%	0.00%	Not reported	Q4 2020
NFLXNetflix Inc	$1.39M	0.80%	0.00%	+9.4%	Q4 2020
COSTCostco Wholesale Corp	$1.39M	0.80%	0.00%	+7.1%	Q4 2020
BWXTBWX Technologies, Inc.	$1.35M	0.78%	0.01%	Not reported	Q1 2024
AMZNAmazon Com Inc	$1.32M	0.76%	0.00%	-0.1%	Q4 2020
XOMExxonMobil Holdings Corp	$1.31M	0.75%	0.00%	-7.8%	Q4 2020
JPMJPMorgan Chase & Co	$1.31M	0.75%	0.00%	Not reported	Q4 2020
QQQInvesco QQQ Trust, Series 1	$1.28M	0.74%	Not reported	Not reported	Q4 2020
GEGeneral Electric Co	$1.26M	0.72%	0.00%	Not reported	Q2 2023
UTGReaves Utility Income Fund	$991K	0.57%	Not reported	Not reported	Q4 2020
BKRBaker Hughes Co	$926K	0.53%	0.00%	Not reported	Q2 2025
APOApollo Global Management, Inc.	$913K	0.52%	0.00%	Not reported	Q4 2020
NENoble Corp plc	$848K	0.49%	0.02%	Not reported	Q4 2022
LLYELI LILLY & Co	$839K	0.48%	0.00%	-15.4%	Q2 2021
METAMeta Platforms, Inc.	$808K	0.46%	Not reported	Not reported	Q4 2020
WMBWilliams Companies, Inc.	$808K	0.46%	0.00%	Not reported	Q4 2020
CBChubb Ltd	$782K	0.45%	0.00%	Not reported	Q4 2020
OLNOLIN Corp	$775K	0.44%	0.03%	+175.1%	Q3 2024
QCOMQualcomm Inc	$767K	0.44%	0.00%	Not reported	Q4 2020
PEGPublic Service Enterprise Group Inc	$764K	0.44%	0.00%	Not reported	Q4 2020
HDHome Depot, Inc.	$760K	0.44%	0.00%	Not reported	Q4 2020
HONHoneywell International Inc	$717K	0.41%	0.00%	Not reported	Q4 2020
EPDEnterprise Products Partners L.P.	$710K	0.41%	0.00%	Not reported	Q4 2020

Premium opens every quarter this fund has filed