OKLO Insider Trading Activity

Transactions disclosed by company insiders to the SEC on Form 4, most recent first.

InsiderRoleDateSharesValue
Hanson John Chief of Staff 2026-08-13 961 $0
Renner Alexandra Chief Product Officer 2026-08-13 1,201 $0
Goodwin William Carroll Murphy Chief Legal & Strategy Officer 2026-08-12 20,685 $0
Bealmear Richard Craig Chief Financial Officer 2026-08-04 5,644 $17,948
DeWitte Jacob Co-Founder, CEO 2026-08-03 40,000 $1,667,200
DeWitte Jacob Co-Founder, CEO 2026-08-03 12,849 $515,759
DeWitte Jacob Co-Founder, CEO 2026-08-03 7,151 $292,762
DeWitte Jacob Co-Founder, CEO 2026-08-03 40,000 $1,654,000
DeWitte Jacob Co-Founder, CEO 2026-08-03 16,500 $636,075
DeWitte Jacob Co-Founder, CEO 2026-08-03 3,500 $138,600

How Institutional Funds Moved on OKLO

Position changes disclosed in SEC Form 13F filings. These report a quarterly snapshot, not exact trade dates.

FundChangeQuarter
NORGES BANK NORGES BANK opened a new position worth $92,010,112. 2026-06-30
Clear Street Group Inc. Clear Street Group Inc. increased this position by 181% ($24,767,329 -> $69,573,939). 2026-06-30
VANGUARD CAPITAL MANAGEMENT LLC VANGUARD CAPITAL MANAGEMENT LLC increased this position by 18% ($289,155,967 -> $342,203,348). 2026-06-30
CITADEL ADVISORS LLC CITADEL ADVISORS LLC increased this position by 11663% ($2,170,455 -> $255,318,070). 2026-06-30
VAN ECK ASSOCIATES CORP VAN ECK ASSOCIATES CORP increased this position by 172424% ($127,961 -> $220,763,943). 2026-06-30
VANGUARD PORTFOLIO MANAGEMENT LLC VANGUARD PORTFOLIO MANAGEMENT LLC increased this position by 9% ($309,338,354 -> $336,247,200). 2026-06-30
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. increased this position by 6% ($430,525,453 -> $457,338,820). 2026-06-30
Capital World Investors Capital World Investors exited a position previously worth $26,647,385. 2026-06-30

Which Funds Hold OKLO

Largest reported positions as of 2026-06-30.

FundValueShares
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. $457,338,820 8,739,515
VANGUARD CAPITAL MANAGEMENT LLC $342,203,348 6,539,334
VANGUARD PORTFOLIO MANAGEMENT LLC $336,247,200 6,425,515
CITADEL ADVISORS LLC $255,318,070 4,879,000
JANE STREET GROUP, LLC $241,853,561 4,621,700
VAN ECK ASSOCIATES CORP $220,763,943 4,218,688
IMC-Chicago, LLC $135,937,641 2,597,700
GEODE CAPITAL MANAGEMENT, LLC $104,105,534 1,988,753
NORGES BANK $92,010,112 1,758,267
GROUP ONE TRADING LLC $71,242,062 1,361,400

Data compiled from public SEC filings. This is informational reporting, not investment advice.

Goldman Sachs Group Inc: 13F Portfolio Moves, Tracked Quarterly

Chart showing Goldman Sachs Group Inc 13F portfolio changes for the quarter ending 2026-03-31

Goldman Sachs Group Inc manages one of the largest institutional portfolios tracked through SEC Form 13F filings, and this page follows its reported equity moves quarter by quarter. Because 13F filings only disclose a snapshot of holdings as of the end of each quarter, not the exact days trades were placed, every update below is … Read more