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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 19 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, Q3 2025

Institutional positions in Oklo Inc. as of Sep 30, 2025. 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
640
+163 vs. Q2 2025
Shares held
64.9M
+10.8M (+19.9%) vs. Q2 2025
Total value
$7.24B
+$4.21B (+138.9%) vs. Q2 2025
New holders
231
208 more added
Sold out
68
150 more reduced

4 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: 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 holdersQ3 2025: 640 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 heldQ3 2025: $7.24B
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, Q3 2025

Shares, value and share of portfolio for each institution holding Oklo Inc.; share changes are against Q2 2025.

Institutions holding OKLO in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Caldwell Sutter Capital, Inc.451$50.3K0.02%+10+2.3%Added
Federated Hermes, Inc.461$51.5K0.00%+461New
Solstein Capital, LLC500$55.8K0.03%−500−50.0%Reduced
Vermillion Wealth Management, Inc.500$55.8K0.02%00.0%Unchanged
Costello Asset Management, INC500$55.8K0.02%+200+66.7%Added
Cornerstone National Bank & Trust Co500$55.8K0.02%+500New
EverSource Wealth Advisors, LLC521$58.2K0.00%−134−20.5%Reduced
Vision Financial Markets LLC525$58.6K0.05%00.0%Unchanged
Hollencrest Capital Management560$62.5K0.00%+560New
Bessemer Group Inc620$69.0K0.00%+620New
ORG Partners LLC622$69.4K0.01%−178−22.3%Reduced
Operose Advisors LLC673$75.1K0.02%00.0%Unchanged
Rothschild Investment LLC725$80.9K0.00%+85+13.3%Added
Salem Investment Counselors Inc750$83.7K0.00%+400+114.3%Added
Manchester Capital Management LLC770$86.0K0.01%+200+35.1%Added
Financial Consulate, Inc800$89.3K0.01%+800New
Thurston, Springer, Miller, Herd & Titak, Inc.804$89.7K0.18%−22,484−96.5%Reduced
SJS Investment Consulting Inc.891$99.5K0.01%−459−34.0%Reduced
Strategic Wealth Partners, Ltd.908$101.4K0.01%−120−11.7%Reduced
Copia Wealth Management937$104.6K0.08%−140−13.0%Reduced
Comerica Bank981$109.5K0.00%+265+37.0%Added
Signaturefd, LLC990$110.5K0.00%+112+12.8%Added
Stephens Consulting, LLC1,000$111.6K0.04%−4,000−80.0%Reduced
Vestor Capital, LLC1,011$113.0K0.01%+48+5.0%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.1,022$114.0K0.00%+398+63.8%Added
Strategic Investment Solutions, Inc.1,023$114.2K0.03%+1,023New
CoreCap Advisors, LLC1,046$116.8K0.00%+866+481.1%Added
SOA Wealth Advisors, LLC.1,098$122.6K0.02%00.0%Unchanged
Wellington Shields Capital Management, LLC1,150$128.4K0.02%+1,150New
Motco1,260$140.7K0.01%+1,260New
Ronald Blue Trust, Inc.1,281$143.0K0.00%−735−36.5%Reduced
Eastern Bank1,285$143.4K0.00%+1,285New
Wealthspire Advisors, LLC1,327$148.1K0.00%+1,327New
All Terrain Financial Advisors, LLC1,400$156.3K0.05%+1,400New
Creative Financial Designs Inc1,430$159.6K0.01%+840+142.4%Added
Gordian Capital Singapore Pte Ltd1,610$179.7K0.24%−7,700−82.7%Reduced
Sovran Advisors, LLC1,460$200.6K0.02%+1,460New
Moseley Investment Management Inc1,800$200.9K0.06%+1,800New
Dudley Capital Management, LLC1,800$200.9K0.09%+1,800New
Wealth Alliance Advisory Group, LLC1,805$201.5K0.04%+1,805New
United Capital Financial Advisers, LLC1,817$202.8K0.00%+1,817New
Liberty Wealth Management LLC1,846$206.1K0.03%+1,846New
Brevan Howard Capital Management LP1,855$207.1K0.00%−25,371−93.2%Reduced
Chesapeake Asset Management LLC1,870$208.7K0.18%00.0%Unchanged
Jaffetilchin Investment Partners, LLC1,895$211.5K0.01%+1,895New
Pacific Sun Financial Corp1,900$212.1K0.10%+1,900New
Lazari Capital Management, Inc.1,900$212.1K0.07%+1,900New
Union Bancaire Privee, UBP SA2,210$212.9K0.00%−50,290−95.8%Reduced
Engineers Gate Manager LP1,938$216.3K0.00%−12,942−87.0%Reduced
Capstone Investment Advisors, LLC1,938$216.3K0.00%+1,938New
Private Client Services, LLC1,978$220.8K0.07%+1,978New
Savant Capital, LLC1,995$222.7K0.00%+1,995New
Beaird Harris Wealth Management, LLC2,000$223.3K0.02%00.0%Unchanged
Cullinan Associates Inc2,000$223.3K0.01%+2,000New
Graybill Bartz & Assoc Ltd2,000$223.3K0.07%+2,000New
Cyndeo Wealth Partners, LLC2,000$223.3K0.01%+2,000New
Inman Jager Wealth Management, LLC2,000$223.3K0.14%+2,000New
Profund Advisors LLC2,009$224.3K0.01%+2,009New
Anfield Capital Management, LLC2,014$224.8K0.07%+500+33.0%Added
DDFG, Inc2,050$228.8K0.05%+2,050New
Wellington Shields & Co., LLC2,057$229.6K0.06%+2,057New
Capital Investment Advisors, LLC2,074$231.5K0.00%+2,074New
AssuredPartners Investment Advisors, LLC2,076$231.7K0.05%+2,076New
Ritholtz Wealth Management2,102$234.6K0.00%+2,102New
Insight Advisors, LLC2,103$234.8K0.04%+2,103New
Kingsview Wealth Management, LLC2,111$235.7K0.00%+2,111New
Arkadios Wealth Advisors2,127$237.4K0.01%+2,127New
Purus Wealth Management, LLC2,150$240.0K0.08%+2,150New
Procyon Private Wealth Partners, LLC2,158$240.9K0.01%+2,158New
Lake Street Financial LLC2,190$244.5K0.03%+2,190New
Abel Hall, LLC2,243$250.4K0.10%+2,243New
Westbourne Investments, Inc.1,900$252.3K0.12%−4,300−69.4%Reduced
Cassaday & Co Wealth Management LLC2,267$253.1K0.01%+2,267New
United Asset Strategies, Inc.2,269$253.3K0.02%+2,269New
Icon Wealth Advisors, LLC2,300$256.7K0.02%+300+15.0%Added
Bedell Frazier Investment Counseling, LLC2,300$256.7K0.05%+2,300New
American Alpha Advisors, LLC2,300$256.7K0.19%+2,300New
Kozak & Associates, Inc.2,700$257.5K0.05%00.0%Unchanged
Rockline Wealth Management, LLC2,313$258.2K0.05%+2,313New
TCG Advisory Services, LLC2,329$260.0K0.01%+2,329New
Harbour Investments, Inc.2,348$262.1K0.01%+455+24.0%Added
Evernest Financial Advisors, LLC2,349$262.2K0.07%+2,349New
Visionary Wealth Advisors2,350$262.3K0.01%+2,350New
Merit Financial Group, LLC2,351$262.4K0.00%+2,351New
Integrity Alliance, LLC.2,401$268.0K0.01%+2,401New
OP Asset Management Ltd2,402$268.1K0.00%+2,402New
Clay Northam Wealth Management, LLC2,415$269.6K0.15%+2,415New
TRUE Private Wealth Advisors2,445$273.0K0.03%+2,445New
Quantinno Capital Management LP2,446$273.0K0.00%+2,446New
HBW Advisory Services LLC2,458$274.4K0.03%+2,458New
Balyasny Asset Management LLC2,461$274.7K0.00%−20,110−89.1%Reduced
Stone House Investment Management, LLC2,478$276.6K0.05%−422−14.6%Reduced
Crescent Grove Advisors, LLC2,514$280.6K0.03%−3,474−58.0%Reduced
BostonPremier Wealth LLC2,517$281.0K0.14%+2,517New
Nwam LLC1,774$282.1K0.02%+1,774New
Suncoast Equity Management2,535$283.0K0.03%+2,535New
Empirical Asset Management, LLC2,539$283.4K0.08%+2,539New
Miracle Mile Advisors, LLC2,554$285.0K0.00%+2,554New
Ameriflex Group, Inc.2,560$285.8K0.11%+1,535+149.8%Added
Covenant Asset Management, LLC2,570$286.9K0.05%+2,570New