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Oklo Inc.

OKLO
Exchange
NYSE
Industry
Electric Services
SEC CIK
0001849056

In the last 90 days, Oklo Inc. insiders filed 0 open-market purchases and 22 sales; 673 institutions reported holding it in 13F filings for Q2 2026, worth $4.27B in total; ARK Invest is the only superinvestor holding it.

13F holders, Q2 2026

Institutional positions in Oklo Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
673
+3 vs. Q1 2026
Shares held
81.7M
−7.56M (−8.5%) vs. Q1 2026
Total value
$4.27B
−$159.6M (−3.6%) vs. Q1 2026
New holders
126
260 more added
Sold out
123
175 more reduced

9 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting OKLO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 673 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 70 institutionsQ4 2021: 68 institutionsQ1 2022: 69 institutionsQ2 2022: 73 institutionsQ3 2022: 77 institutionsQ4 2022: 73 institutionsQ1 2023: 72 institutionsQ2 2023: 75 institutionsQ3 2023: 65 institutionsQ4 2023: 37 institutionsQ1 2024: 54 institutionsQ2 2024: 93 institutionsQ3 2024: 124 institutionsQ4 2024: 238 institutionsQ1 2025: 292 institutionsQ2 2025: 481 institutionsQ3 2025: 640 institutionsQ4 2025: 683 institutionsQ1 2026: 679 institutionsQ2 2026: 673 institutions
Value heldQ2 2026: $4.27B
Q1 2021: $0Q2 2021: $0Q3 2021: $464.4MQ4 2021: $462.7MQ1 2022: $464.4MQ2 2022: $470.7MQ3 2022: $474.3MQ4 2022: $466.4MQ1 2023: $488.4MQ2 2023: $439.5MQ3 2023: $433.8MQ4 2023: $274.8MQ1 2024: $270.8MQ2 2024: $338.6MQ3 2024: $387.2MQ4 2024: $882.1MQ1 2025: $747.1MQ2 2025: $3.03BQ3 2025: $7.24BQ4 2025: $5.37BQ1 2026: $4.43BQ2 2026: $4.27B
Institutions holding OKLO and their total value by quarter
QuarterHoldersValue
Q2 2026673$4.27B
Q1 2026679$4.43B
Q4 2025683$5.37B
Q3 2025640$7.24B
Q2 2025481$3.03B
Q1 2025292$747.1M
Q4 2024238$882.1M
Q3 2024124$387.2M
Q2 202493$338.6M
Q1 202454$270.8M
Q4 202337$274.8M
Q3 202365$433.8M
Q2 202375$439.5M
Q1 202372$488.4M
Q4 202273$466.4M
Q3 202277$474.3M
Q2 202273$470.7M
Q1 202269$464.4M
Q4 202168$462.7M
Q3 202170$464.4M
Q2 20210$0
Q1 20210$0

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Oklo Inc.; share changes are against Q1 2026.

Institutions holding OKLO in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
SEB Asset Management AB0$00.00%−22,769−100.0%Sold out
IFM Investors Pty Ltd0$00.00%−22,109−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−20,832−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−20,472−100.0%Sold out
Prakash Investment Advisors LLC0$00.00%−19,980−100.0%Sold out
Principal Financial Group Inc0$00.00%−19,309−100.0%Sold out
ProShare Advisors LLC0$00.00%−17,699−100.0%Sold out
XTX Topco Ltd0$00.00%−16,326−100.0%Sold out
British Columbia Investment Management Corp0$00.00%−15,257−100.0%Sold out
Nissay Asset Management Corp0$00.00%−14,809−100.0%Sold out
Meitav Dash Investments Ltd0$00.00%−14,700−100.0%Sold out
Abn Amro Investment Solutions0$00.00%−13,738−100.0%Sold out
Oasis Advisors, LLC0$00.00%−12,570−100.0%Sold out
Nordea Investment Management AB0$00.00%−12,919−100.0%Sold out
Sumitomo Mitsui DS Asset Management Company, Ltd0$00.00%−11,080−100.0%Sold out
Bridgeway Capital Management, LLC0$00.00%−10,750−100.0%Sold out
Intrua Financial, LLC0$00.00%−10,600−100.0%Sold out
Swedbank AB0$00.00%−10,592−100.0%Sold out
Himension Fund0$00.00%−10,570−100.0%Sold out
National Pension Service0$00.00%−10,423−100.0%Sold out
Standard Life Aberdeen plc0$00.00%−10,151−100.0%Sold out
Ameritas Investment Partners, Inc.0$00.00%−9,992−100.0%Sold out
TD Asset Management Inc0$00.00%−9,715−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−9,379−100.0%Sold out
Ionic Capital Management LLC0$00.00%−9,264−100.0%Sold out
Gulf International Bank (UK) Ltd0$00.00%−8,426−100.0%Sold out
Investment Management Corp of Ontario0$00.00%−7,897−100.0%Sold out
Oxford Asset Management LLP0$00.00%−7,481−100.0%Sold out
Allspring Global Investments Holdings, LLC0$00.00%−7,613−100.0%Sold out
Prudential PLC0$00.00%−7,304−100.0%Sold out
CIBC World Markets Inc.0$00.00%−7,205−100.0%Sold out
DRW Securities, LLC0$00.00%−7,154−100.0%Sold out
AG2R la Mondiale Gestion D'Actifs0$00.00%−6,197−100.0%Sold out
AlphaGrep UK Ltd0$00.00%−6,148−100.0%Sold out
United Capital Financial Advisers, LLC0$00.00%−5,918−100.0%Sold out
Tradewinds, LLC.0$00.00%−4,113−100.0%Sold out
Johnson Investment Counsel Inc0$00.00%−5,707−100.0%Sold out
Inspire Advisors, LLC0$00.00%−5,030−100.0%Sold out
Itau Unibanco Holding S.A.0$00.00%−5,000−100.0%Sold out
Formidable Asset Management, LLC0$00.00%−3,234−100.0%Sold out
MSA Advisors, LLC0$00.00%−4,576−100.0%Sold out
Abel Hall, LLC0$00.00%−4,389−100.0%Sold out
Woodline Partners LP0$00.00%−4,333−100.0%Sold out
Darden Wealth Group Inc0$00.00%−4,305−100.0%Sold out
Nomura Asset Management International Inc.0$00.00%−4,268−100.0%Sold out
Catalytic Wealth RIA, LLC0$00.00%−4,246−100.0%Sold out
Penserra Capital Management LLC0$00.00%−4,215−100.0%Sold out
Vestcor Inc0$00.00%−4,187−100.0%Sold out
Ostrum Asset Management0$00.00%−4,192−100.0%Sold out
Brinker Capital Investments, LLC0$00.00%−4,159−100.0%Sold out
Everence Capital Management Inc0$00.00%−4,114−100.0%Sold out
Federated Hermes, Inc.0$00.00%−4,102−100.0%Sold out
Saudi Central Bank0$00.00%−4,086−100.0%Sold out
Royal London Asset Management Ltd0$00.00%−4,044−100.0%Sold out
Bayforest Capital Ltd0$00.00%−3,233−100.0%Sold out
PensionDanmark Pensionsforsikringsaktieselskab0$00.00%−3,200−100.0%Sold out
Innovative Asset Advisors Group, LLC0$00.00%−2,188−100.0%Sold out
E. Ohman J:or Asset Management AB0$00.00%−2,000−100.0%Sold out
Intesa Sanpaolo S.p.A.0$00.00%−1,907−100.0%Sold out
Oslo Pensjonsforsikring AS0$00.00%−1,679−100.0%Sold out
V-Square Quantitative Management LLC0$00.00%−1,580−100.0%Sold out
Siemens Fonds Invest GmbH0$00.00%−1,545−100.0%Sold out
Kemnay Advisory Services Inc.0$00.00%−1,089−100.0%Sold out
Wealth Preservation Advisors, LLC0$00.00%−821−100.0%Sold out
Bank of Jackson Hole Trust0$00.00%−350−100.0%Sold out
Morton Brown Family Wealth, LLC0$00.00%−300−100.0%Sold out
Clear Street Markets LLC0$00.00%−260−100.0%Sold out
Armstrong Advisory Group, Inc0$00.00%−241−100.0%Sold out
WFA of San Diego, LLC0$00.00%−200−100.0%Sold out
Elequin Capital LP0$00.00%−175−100.0%Sold out
Lloyd Advisory Services, LLC.0$00.00%−162−100.0%Sold out
Quadrant Capital Group LLC0$00.00%−159−100.0%Sold out
Berbice Capital Management LLC0$00.00%−100−100.0%Sold out
Contravisory Investment Management, Inc.0$00.00%−95−100.0%Sold out
Wall Street Financial Group, Inc.0$00.00%−64−100.0%Sold out
Sound Income Strategies, LLC0$00.00%−50−100.0%Sold out
Evolution Wealth Management Inc.0$00.00%−40−100.0%Sold out
First Pacific Financial0$00.00%−31−100.0%Sold out
Corsicana & Co.0$00.00%−60−100.0%Sold out
Godsey & Gibb Associates0$00.00%−15−100.0%Sold out
NBT Bank N A0$00.00%−15−100.0%Sold out
Merkkuri Wealth Advisors LLC0$00.00%−15−100.0%Sold out
IMA Wealth, Inc.0$00.00%−14−100.0%Sold out
Scarborough Advisors, LLC0$00.00%−13−100.0%Sold out
Bruce G. Allen Investments, LLC0$00.00%−12−100.0%Sold out
REAP Financial Group, LLC0$00.00%−10−100.0%Sold out
Marquette Asset Management, LLC0$00.00%−9−100.0%Sold out
Rialto Wealth Management, LLC0$00.00%−9−100.0%Sold out
Glass Jacobson Investment Advisors llc0$00.00%−8−100.0%Sold out
Arlington Trust Co LLC0$00.00%−7−100.0%Sold out
Legacy Wealth Managment, LLC0$00.00%−4−100.0%Sold out
Twin Peaks Wealth Advisors, LLC0$00.00%−4−100.0%Sold out
Cullen/Frost Bankers, Inc.0$00.00%−3−100.0%Sold out
Dunhill Financial, LLC0$00.00%−2−100.0%Sold out
Annis Gardner Whiting Capital Advisors, LLC0$00.00%−1−100.0%Sold out
GFS Advisors, LLC0$00.00%−5,429−100.0%Sold out
Trask Adam Roland––––Not filed
CWM, LLC––––Not filed
U.S. Capital Wealth Advisors, LLC––––Not filed
TCFG Wealth Management, LLC––––Not filed