Arkolith/Funds/Oak Grove Capital LLC

Oak Grove Capital LLC

CIK 1661762
Holdings as of Jun 30, 2026·disclosed Aug 13, 2026·~44-day 13F lag·13F-HR
Active Filer

Oak Grove Capital LLC holds a focused book of 97 stocks worth $1.4B as of Q2 2026 (disclosed Aug 13, 2026, a ~44-day 13F lag). This quarter they opened Devon Energy Corp and trimmed Coherent Corp. Their largest long position is Micron Technology Inc at 22% of the equity book. They also disclosed $444K in put options (a bearish bet) and $741.5M in call options (bullish), shown separately below and excluded from the equity book. Cloning the disclosed picks since 2025 would be +48% (+62.1%/yr). That is a simulation of the disclosed long book, not audited returns.

Opened
22
bought for the first time
Added to
43
already held, bought more
Trimmed
26
sold some, still holds it
Sold out
7
exited the position entirely

Growth of $10,000: cloning the disclosed book

If you'd copied them
+48.1%
+62.1%/yr · since Nov '25
Their reported book
+59.8%
held from quarter-end
S&P 500
+12.7%
same window
$9K$11K$13K$15K$17KNov '25Jan '26Mar '26May '26Jul '26Sep '26
Oak Grove Capital LLC (copied at disclosure) S&P 500

The reported book (valued from quarter-end) returned +59.8%, a 11.7-point gap that is the cost of the ~44-day 13F disclosure lag a real follower can't avoid.

Growth of $10,000 cloning Oak Grove Capital LLC's disclosed long 13F book, rebalanced on each filing date (so it reflects each quarter's actual reporting lag, ~44 days for the latest filing, with no look-ahead), total-return basis (dividends reinvested), derived from end-of-day prices. “Their reported book” values the same picks from quarter-end, before they were public. S&P 500 is SPY total return over the same window. Excludes shorts, cash, options and non-13F holdings. Not investment advice.

Concentration

Top-heavy: focused book

Top 5 holdings
49%
Top 10 holdings
60%
Top 20 holdings
78%

Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.

Direct sector allocation

97% mapped to company sectors

Information Technology
66%
Utilities
15%
Health Care
5%
Energy
4%
ETF / fund or unclassified
3%
Real Estate
2%
Communication Services
2%
Consumer Discretionary
2%

Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.

Biggest moves: latest quarter

Estimated $ traded · quarter-end prices (an exit at the prior quarter-end), no cost basis

Bought
Trimmed / exited

Funds with the most overlap

Other tracked managers holding the same core names as Oak Grove Capital LLC

Manager / fundShared namesTheir $ in those
Graticule Asia Macro Advisors LLC9 / 80$1.3B
United American Securities Inc. (d/b/a UAS Asset Management)10 / 80$453.6M
Prospect Hill Management, LLC9 / 80$241.7M
Greenbrier Partners Capital Management, LLC8 / 80$1.2B
Draper Asset Management, LLC11 / 80$178.3M
Newlands Management Operations LLC9 / 80$14.2B
H&H International Investment, LLC9 / 80$16.9B
Howard Hughes Medical Institute15 / 80$375.1M

Ranked by the share of each fund's own book sitting in the names it shares with Oak Grove Capital LLC: only funds sharing at least a tenth of the book qualify. Index giants, bank custody books and market makers are excluded. They hold everything, so their overlap says nothing.

Holdings: largest first

Bars show each stock's share of the portfolio. Click a row for its position history.

97 positions
#SecurityValueShares% PortLast moveHistory
1Micron Technology Inc
COM
$305.7M264.9K
22.5%
+19%
Added · +42K sh
2Nvidia Corporation
COM
$168.1M840.0K
12.3%
+75%
Added · +360K sh
3Nebius Group N.V.
SHS CLASS A
$77.9M281.9K
5.7%
+38%
Added · +78K sh
4Advanced Micro Devices Inc
COM
$66.3M114.1K
4.9%
+288%
Added · +85K sh
5Coherent Corp
COM
$50.9M128.9K
3.7%
−4.1%
Reduced · −5K sh
6Vistra Corp
COM
$31.6M199.1K
2.3%
+200%
Added · +133K sh
7Crowdstrike Hldgs Inc
CL A
$31.2M40.9K
2.3%
−3.1%
Reduced · −1K sh
8Alphabet Inc
CAP STK CL A
$31.2M87.2K
2.3%
+2.2%
Added · +2K sh
9Brookfield Corp
CL A LTD VT SH
$30.9M725.9K
2.3%
+29%
Added · +162K sh
10International Business Machs
COM
$29.4M104.7K
2.2%
+99%
Added · +52K sh
11Eli Lilly & Co
COM
$29.2M24.3K
2.1%
+19%
Added · +4K sh
12Brookfield Infrastructure Co
COM SUB VTG A
$27.6M716.0K
2.0%
+633%
Added · +618K sh
13Duke Energy Corp New
COM NEW
$26.9M212.6K
2.0%
+77%
Added · +92K sh
14Eqt Corp
COM
$24.9M467.7K
1.8%
+263%
Added · +339K sh
15Apple Inc
COM
$24.4M84.4K
1.8%
+70%
Added · +35K sh
16Brookfield Renewable Energy
PARTNERSHIP UNIT
$24.3M699.8K
1.8%
18×
Added · +661K sh
17Devon Energy Corp New
COM
$23.7M572.7K
1.7%
New
New position
18Applied Optoelectronics Inc
COM
$23.6M159.2K
1.7%
+330%
Added · +122K sh
19Merck & Co Inc
COM
$20.4M158.9K
1.5%
+92%
Added · +76K sh
20Dominion Energy Inc
COM
$19.5M286.1K
1.4%
+18%
Added · +44K sh
21Netflix Inc.
COM
$19.4M271.0K
1.4%
+17%
Added · +39K sh
22Astera Labs Inc
COM
$18.9M39.0K
1.4%
−56%
Reduced · −50K sh
23Roundhill ETF Trust
MEMORY ETF
$18.8M253.9K
1.4%
New
New position
24Costco Wholesale Corporation
COM
$18.2M19.4K
1.3%
−0.7%
Reduced · −135 sh
25Brookfield Renewable Corp
CL A EX SUB VTG
$18.0M486.1K
1.3%
+754%
Added · +429K sh
26Energy Transfer L P
COM UT LTD PTN
$17.1M894.7K
1.3%
+115%
Added · +479K sh
27Vertiv Holdings Co
COM CL A
$15.2M45.4K
1.1%
−35%
Reduced · −24K sh
28Kinder Morgan Inc Del
COM
$13.5M420.8K
1.0%
+23%
Added · +78K sh
29Abbvie Inc
COM
$11.3M44.8K
0.8%
New
New position
30Lumentum Hldgs Inc
COM
$10.6M12.3K
0.8%
+93%
Added · +6K sh
31Constellation Energy Corp
COM
$9.9M39.9K
0.7%
+425%
Added · +32K sh
32Sempra
COM
$9.2M99.7K
0.7%
+80%
Added · +44K sh
33ASML Hldg NV
N Y REGISTRY SHS
$7.4M3.7K
0.5%
+550%
Added · +3K sh
34Lam Research Corp
COM NEW
$7.1M16.3K
0.5%
−0.6%
Reduced · −91 sh
35Servicenow Inc
COM
$6.8M68.0K
0.5%
+115%
Added · +36K sh
36Taiwan Semiconductor Manufac
SPONSORED ADS
$6.6M13.8K
0.5%
−66%
Reduced · −26K sh
37Intel Corp
COM
$6.4M45.5K
0.5%
New
New position
38Meta Platforms Inc
CL A
$6.0M10.6K
0.4%
+109%
Added · +6K sh
39Tesla Inc
COM
$5.4M12.9K
0.4%
22×
Added · +12K sh
40Legg Mason ETF Invt
FRANKLIN INTL LW
$4.8M119.5K
0.4%
New
New position
41Microsoft Corp
COM
$4.7M12.7K
0.3%
+23%
Added · +2K sh
42Tema ETF Trust
SPACE INNOV ETF
$4.4M145.0K
0.3%
New
New position
43Berkshire Hathaway Inc Del
CL B NEW
$3.6M7.3K
0.3%
+2.8%
Added · +199 sh
44Ge Vernova Inc
COM
$3.4M2.9K
0.3%
+207%
Added · +2K sh
45Vanguard Scottsdale FDS
SHORT TERM TREAS
$3.4M58.2K
0.2%
−39%
Reduced · −37K sh
46Williams Cos Inc
COM
$2.7M36.5K
0.2%
New
New position
47Cheniere Energy Inc
COM NEW
$1.9M7.8K
0.1%
+4.0%
Added · +300 sh
48JPMorgan Chase & Co
COM
$1.9M5.7K
0.1%
−18%
Reduced · −1K sh
49Pimco ETF TR
ENHAN SHRT MA AC
$1.9M18.4K
0.1%
+86%
Added · +9K sh
50Amkor Technology Inc
COM
$1.7M20.0K
0.1%
New
New position
Showing 50 of 97 positions
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Largest options & derivatives disclosed

Put / call positions from the 13F — totals include every disclosed option leg

Put notional (bearish)$444K
Call notional (bullish)$741.5M
TypeUnderlyingNotional valueUnderlying shares
CALL · bullishMICRON TECHNOLOGY INCMU$382.3M331K
CALL · bullishNVIDIA CORPNVDA$184.5M922K
CALL · bullishNEBIUS GROUP NVNBIS$100.8M365K
CALL · bullishADVANCED MICRO DEVICESAMD$55.6M96K
CALL · bullishLUMENTUM HOLDINGS INCLITE$9.7M11K
CALL · bullishCOHERENT CORPCOHR$7.3M19K
CALL · bullishAPPLIED OPTOELECTRONICS INCAAOI$1.1M7K
PUT · bearishAPPLIED OPTOELECTRONICS INCAAOI$444K3K
CALL · bullishIREN LTDIREN$210K5K
CALL · bullishVERTIV HOLDINGS CO-AVRT$33K100
CALL · bullishNU HOLDINGS LTD/CAYMAN ISL-ANU$13K1K

13F filers disclose option positions at the market value of the underlying the contracts reference, not the premium paid. A put is a bearish bet (it gains if the stock falls); a call is bullish. “Underlying shares” is the share count the contracts control, not a share holding. These legs are excluded from the equity book, weighting, concentration and sector figures above.

Filing history

As-of date vs the date the SEC received each filing

QuarterAs ofFiledPositionsValueForm
Q2 2026Jun 30, 2026Aug 13, 2026337$2.1B13F-HR
Q1 2026Mar 31, 2026May 13, 2026308$1.2B13F-HR
Q4 2025Dec 31, 2025Feb 26, 2026277$843.9M13F-HR
Q3 2025Sep 30, 2025Nov 12, 2025244$706.1M13F-HR

Data source

Holdings from SEC EDGAR 13F-HR filings, updated quarterly, filed up to 45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. The performance line is a simulation of the disclosed long book, not an audited return.