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Oak Grove Capital LLC — 13F Holdings & Portfolio

CIK 1661762 · latest 13F-HR filed 2026-08-13

Backtest portfolio

Oak Grove Capital LLC manages $2.10B in 13F-reported U.S. long-equity assets across 337 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are MU (14.54%), NVDA (7.99%), NBIS (3.70%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 22 new positions, exited 7, added to 48, and trimmed 21.

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
PO BOX 222
HOLDERNESS, NH 03245
Phone
(412) 753-1980
Filing Manager
Oak Grove Capital LLC
Holderness, NH
Signatory
Mark G. Visnic
Compliance Officer
Loading holdings…
AUM

$2.10B

Long-equity book

Holdings

337

Distinct positions

Period

2026-06-30

Filed 2026-08-13

Q/Q Activity

+22 / −7 / ↑48 / ↓21

vs 2026-03-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • MICRON TECHNOLOGY INC$230.5M +306.6%
  • NVIDIA CORPORATION$84.4M +101.0%
  • ADVANCED MICRO DEVICES INC$60.3M +1009.3%
  • NEBIUS GROUP N.V.$56.7M +268.2%
  • BROOKFIELD INFRASTRUCTURE CO$23.7M +613.9%
Show all 48 →

Top Trims

  • TAIWAN SEMICONDUCTOR MANUFAC-$7.0M -51.6%
  • NETFLIX INC.-$3.0M -13.4%
  • GOLDMAN SACHS GROUP INC-$2.4M -77.4%
  • VERTIV HOLDINGS CO-$2.2M -12.8%
  • VANGUARD SCOTTSDALE FDS-$2.2M -39.0%
Show all 21 →

New Positions

  • DEVON ENERGY CORP NEW$23.7M
  • ROUNDHILL ETF TRUST$18.8M
  • ABBVIE INC$11.3M
  • INTEL CORP$6.4M
  • LEGG MASON ETF INVT$4.8M
Show all 22 →

Exited Positions

  • COTERRA ENERGY INC$12.8M
  • WELLS FARGO & CO$636.9K
  • AMPHENOL CORP$619.1K
  • EATON CORP PLC$536.5K
  • HONEYWELL INTL INC$346.1K
Show all 7 →
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 MICRON TECHNOLOGY INC MU 595112103 $305.7M 14.54% 264,856 SH
2 NVIDIA CORPORATION NVDA 67066G104 $168.1M 7.99% 840,006 SH
3 NEBIUS GROUP N.V. NBIS N97284108 $77.9M 3.70% 281,948 SH
4 MICRON TECHNOLOGY INC Call MU 595112103 $67.3M 3.20% 58,300 SH
5 ADVANCED MICRO DEVICES INC AMD 007903107 $66.3M 3.15% 114,122 SH
6 COHERENT CORP COHR 19247G107 $50.9M 2.42% 128,913 SH
7 MICRON TECHNOLOGY INC Call MU 595112103 $47.3M 2.25% 41,000 SH
8 MICRON TECHNOLOGY INC Call MU 595112103 $45.6M 2.17% 39,500 SH
9 VISTRA CORP VST 92840M102 $31.6M 1.50% 199,110 SH
10 CROWDSTRIKE HLDGS INC CRWD 22788C105 $31.2M 1.48% 40,872 SH
11 ALPHABET INC GOOGL 02079K305 $31.2M 1.48% 87,241 SH
12 BROOKFIELD CORP BN 11271J107 $30.9M 1.47% 725,859 SH
13 INTERNATIONAL BUSINESS MACHS IBM 459200101 $29.4M 1.40% 104,720 SH
14 ELI LILLY & CO LLY 532457108 $29.2M 1.39% 24,336 SH
15 BROOKFIELD INFRASTRUCTURE CO BIPC 11276H106 $27.6M 1.31% 716,000 SH
16 DUKE ENERGY CORP NEW DUK 26441C204 $26.9M 1.28% 212,611 SH
17 EQT CORP EQT 26884L109 $24.9M 1.18% 467,725 SH
18 APPLE INC AAPL 037833100 $24.4M 1.16% 84,378 SH
19 BROOKFIELD RENEWABLE ENERGY BEP G16258108 $24.3M 1.16% 699,800 SH
20 DEVON ENERGY CORP NEW DVN 25179M103 $23.7M 1.13% 572,690 SH
21 MICRON TECHNOLOGY INC Call MU 595112103 $23.7M 1.13% 20,500 SH
22 APPLIED OPTOELECTRONICS INC AAOI 03823U102 $23.6M 1.12% 159,150 SH
23 ADVANCED MICRO DEVICES INC Call AMD 007903107 $21.8M 1.04% 37,500 SH
24 NVIDIA CORPORATION Call NVDA 67066G104 $21.4M 1.02% 107,200 SH
25 MERCK & CO INC MRK 58933Y105 $20.4M 0.97% 158,885 SH
26 MICRON TECHNOLOGY INC Call MU 595112103 $19.6M 0.93% 17,000 SH
27 DOMINION ENERGY INC D 25746U109 $19.5M 0.93% 286,083 SH
28 NETFLIX INC. NFLX 64110L106 $19.4M 0.92% 271,020 SH
29 ASTERA LABS INC ALAB 04626A103 $18.9M 0.90% 39,050 SH
30 ROUNDHILL ETF TRUST DRAM 77926X320 $18.8M 0.89% 253,900 SH
31 COSTCO WHOLESALE CORPORATION COST 22160K105 $18.2M 0.86% 19,438 SH
32 BROOKFIELD RENEWABLE CORP BEPC 11285B108 $18.0M 0.86% 486,100 SH
33 MICRON TECHNOLOGY INC Call MU 595112103 $17.3M 0.82% 15,000 SH
34 ENERGY TRANSFER L P ET 29273V100 $17.1M 0.81% 894,709 SH
35 VERTIV HOLDINGS CO VRT 92537N108 $15.2M 0.72% 45,369 SH
36 MICRON TECHNOLOGY INC Call MU 595112103 $15.1M 0.72% 13,100 SH
37 NEBIUS GROUP N.V. Call NBIS N97284108 $14.1M 0.67% 51,100 SH
38 KINDER MORGAN INC DEL KMI 49456B101 $13.5M 0.64% 420,837 SH
39 MICRON TECHNOLOGY INC Call MU 595112103 $12.7M 0.60% 11,000 SH
40 NVIDIA CORPORATION Call NVDA 67066G104 $11.8M 0.56% 59,000 SH
41 MICRON TECHNOLOGY INC Call MU 595112103 $11.3M 0.54% 9,800 SH
42 ABBVIE INC ABBV 00287Y109 $11.3M 0.54% 44,750 SH
43 LUMENTUM HLDGS INC LITE 55024U109 $10.6M 0.50% 12,320 SH
44 NVIDIA CORPORATION Call NVDA 67066G104 $10.3M 0.49% 51,700 SH
45 NEBIUS GROUP N.V. Call NBIS N97284108 $10.3M 0.49% 37,200 SH
46 NVIDIA CORPORATION Call NVDA 67066G104 $10.2M 0.48% 50,800 SH
47 NEBIUS GROUP N.V. Call NBIS N97284108 $10.1M 0.48% 36,400 SH
48 CONSTELLATION ENERGY CORP CEG 21037T109 $9.9M 0.47% 39,900 SH
49 NEBIUS GROUP N.V. Call NBIS N97284108 $9.8M 0.47% 35,600 SH
50 NVIDIA CORPORATION Call NVDA 67066G104 $9.7M 0.46% 48,700 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-13 $2.10B 337 0001580642-26-005255
2026-03-31 2026-05-13 $1.18B 308 0001580642-26-003162
2025-12-31 2026-02-26 $843.9M 277 0001580642-26-001245
2025-09-30 2025-11-12 $706.1M 244 0001580642-25-007227