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Merrion Investment Management Co, LLC — 13F Holdings & Portfolio

CIK 1383782 · latest 13F-HR filed 2026-07-13

Backtest portfolio

Merrion Investment Management Co, LLC manages $211.3M in 13F-reported U.S. long-equity assets across 106 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are GOOG (7.37%), NVDA (6.15%), AAPL (5.18%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 5 new positions, exited 8, added to 47, and trimmed 29.

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.

Filer Information
Address
184 NORTH AVE. EAST
CRANFORD, NJ 07016
Phone
(908) 654-1145
Filing Manager
Merrion Investment Management Co, LLC
Cranford, NJ
Signatory
Randolph Rogers
Chief Compliance Officer
Loading holdings…
AUM

$211.3M

Long-equity book

Holdings

106

Distinct positions

Period

2026-06-30

Filed 2026-07-13

Q/Q Activity

+5 / −8 / ↑47 / ↓29

vs 2026-03-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • CORNING INC$4.9M +87.9%
  • GLOBALSTAR INC$4.8M +166.7%
  • ALPHABET INC$2.9M +22.9%
  • MICRON TECHNOLOGY INC$2.3M +111.3%
  • VERTIV HOLDINGS CO$1.9M +33.6%
Show all 47 →

Top Trims

  • ECHOSTAR CORP-$1.1M -13.5%
  • JEFFERIES FINANCIAL GROUP IN-$808.4K -9.9%
  • CANADIAN NAT RES LTD MED TER-$727.3K -18.9%
  • HALLIBURTON CO-$558.9K -12.9%
  • CAMECO CORP-$547.4K -6.2%
Show all 29 →

New Positions

  • NOVO-NORDISK A S$938.0K
  • NEWMONT CORP$474.9K
  • ASML HLDG NV$399.9K
  • ISHARES TR$392.7K
  • ETF SER SOLUTIONS$330.8K
Show all 5 →

Exited Positions

  • HONEYWELL INTL INC$769.4K
  • VERTEX PHARMACEUTICALS INC$558.2K
  • MARSH & MCLENNAN COS INC$352.3K
  • MCKESSON CORP$303.2K
  • WASTE CONNECTIONS INC$243.7K
Show all 8 →
All Holdings

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 $15.6M 7.37% 44,072 SH
2 NVIDIA CORPORATION NVDA 67066G104 $13.0M 6.15% 64,925 SH
3 APPLE INC AAPL 037833100 $10.9M 5.18% 37,797 SH
4 CORNING INC GLW 219350105 $10.6M 5.00% 41,350 SH
5 CAMECO CORP CCJ 13321L108 $8.3M 3.91% 81,100 SH
6 GLOBALSTAR INC GSAT 378973507 $7.7M 3.66% 95,181 SH
7 VERTIV HOLDINGS CO VRT 92537N108 $7.5M 3.57% 22,500 SH
8 JEFFERIES FINANCIAL GROUP IN JEF 47233W109 $7.4M 3.50% 147,895 SH
9 ECHOSTAR CORP SATS 278768106 $6.8M 3.20% 66,580 SH
10 GE VERNOVA INC GEV 36828A101 $6.3M 3.00% 5,402 SH
11 NAVIOS MARITIME PARTNERS LP NMM Y62267409 $6.3M 2.97% 89,465 SH
12 GOLDMAN SACHS GROUP INC GS 38141G104 $5.9M 2.78% 5,804 SH
13 MGM RESORTS INTERNATIONAL MGM 552953101 $5.2M 2.47% 109,260 SH
14 BERKSHIRE HATHAWAY INC DEL BRK.B 084670702 $5.1M 2.42% 10,237 SH
15 NVE CORP NVEC 629445206 $4.5M 2.14% 43,265 SH
16 MICRON TECHNOLOGY INC MU 595112103 $4.3M 2.03% 3,713 SH
17 MARATHON PETE CORP MPC 56585A102 $4.0M 1.89% 15,619 SH
18 HALLIBURTON CO HAL 406216101 $3.8M 1.78% 110,900 SH
19 STATE STR SPDR S&P 500 ETF T SPY 78462F103 $3.4M 1.60% 4,530 SH
20 CANADIAN NAT RES LTD MED TER CNQ 136385101 $3.1M 1.47% 78,800 SH
21 TRIPLE FLAG PRECIOUS METAL TFPM 89679M104 $2.7M 1.28% 90,240 SH
22 ORACLE CORP ORCL 68389X105 $2.4M 1.14% 16,400 SH
23 MICROSOFT CORP MSFT 594918104 $2.3M 1.09% 6,165 SH
24 JOHNSON & JOHNSON JNJ 478160104 $2.3M 1.07% 8,864 SH
25 ELI LILLY & CO LLY 532457108 $1.9M 0.88% 1,550 SH
26 FIRST CTZNS BANCSHARES INC D FCNCA 31946M103 $1.8M 0.86% 876 SH
27 AMERICAN INTL GROUP INC AIG 026874784 $1.8M 0.86% 24,400 SH
28 ABBVIE INC ABBV 00287Y109 $1.8M 0.83% 7,000 SH
29 GE AEROSPACE GE 369604301 $1.7M 0.83% 4,675 SH
30 CONSTELLATION ENERGY CORP CEG 21037T109 $1.7M 0.81% 6,900 SH
31 INVESCO QQQ TR QQQ 46090E103 $1.5M 0.71% 2,035 SH
32 AMAZON COM INC AMZN 023135106 $1.5M 0.70% 6,190 SH
33 BWX TECHNOLOGIES INC BWXT 05605H100 $1.4M 0.68% 7,330 SH
34 VITESSE ENERGY INC VTS 92852X103 $1.4M 0.66% 88,029 SH
35 CATERPILLAR INC CAT 149123101 $1.4M 0.66% 1,300 SH
36 DOLLAR GEN CORP DG 256677105 $1.4M 0.64% 11,755 SH
37 EXXON MOBIL CORP XOM 30231G102 $1.3M 0.63% 9,770 SH
38 JPMORGAN CHASE & CO JPM 46625H100 $1.3M 0.60% 3,872 SH
39 REAVES UTIL INCOME FD UTG 756158101 $1.2M 0.58% 30,000 SH
40 ELEVANCE HEALTH INC FORMERLY ELV 036752103 $1.2M 0.54% 2,975 SH
41 GALLAGHER ARTHUR J & CO AJG 363576109 $1.1M 0.54% 5,000 SH
42 ISHARES TR SOXX 464287523 $1.1M 0.53% 1,750 SH
43 NOBLE CORP PLC NE G65431127 $1.1M 0.53% 30,000 SH
44 ENERGY TRANSFER L P ET 29273V100 $1.1M 0.52% 58,000 SH
45 BAKER HUGHES COMPANY BKR 05722G100 $1.1M 0.50% 19,000 SH
46 COSTCO WHOLESALE CORPORATION COST 22160K105 $1.0M 0.49% 1,100 SH
47 CHUBB LIMITED CB H1467J104 $947.0K 0.45% 2,771 SH
48 WILLIAMS COS INC WMB 969457100 $944.1K 0.45% 12,700 SH
49 NOVO-NORDISK A S NVO 670100205 $938.0K 0.44% 19,565 SH
50 SIMON PPTY GROUP INC NEW SPG 828806109 $894.6K 0.42% 4,000 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-07-13 $211.3M 106 0001172661-26-002595
2026-03-31 2026-04-23 $186.1M 109 0001172661-26-001525
2025-12-31 2026-02-17 $185.7M 113 0001172661-26-000889