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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 20 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, Q4 2025

Institutional positions in Oklo Inc. as of Dec 31, 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
683
+53 vs. Q3 2025
Shares held
74.8M
+10.1M (+15.5%) vs. Q3 2025
Total value
$5.37B
−$1.85B (−25.7%) vs. Q3 2025
New holders
190
231 more added
Sold out
137
196 more reduced

10 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 683 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 heldQ4 2025: $5.37B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Oklo Inc.; share changes are against Q3 2025.

Institutions holding OKLO in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Flow Traders U.S. LLC0$00.00%−17,643−100.0%Sold out
Aristotle Atlantic Partners, LLC0$00.00%−17,568−100.0%Sold out
DRW Securities, LLC0$00.00%−16,382−100.0%Sold out
GTS Securities LLC0$00.00%−15,696−100.0%Sold out
Readystate Asset Management LP0$00.00%−15,000−100.0%Sold out
Harvest Investment Services, LLC0$00.00%−12,848−100.0%Sold out
StoneX Group Inc.0$00.00%−11,093−100.0%Sold out
Fred Alger Management, LLC0$00.00%−10,484−100.0%Sold out
BOCHK Asset Management Ltd0$00.00%−9,000−100.0%Sold out
Modera Wealth Management, LLC0$00.00%−8,894−100.0%Sold out
Xcel Wealth Management, LLC0$00.00%−8,588−100.0%Sold out
Ariose Capital Management Ltd0$00.00%−8,329−100.0%Sold out
GWN Securities Inc.0$00.00%−7,676−100.0%Sold out
Wealth Effects LLC0$00.00%−7,500−100.0%Sold out
Tradition Wealth Management, LLC0$00.00%−7,000−100.0%Sold out
Rollins Financial Advisors, LLC0$00.00%−6,973−100.0%Sold out
Main Street Financial Solutions, LLC0$00.00%−6,071−100.0%Sold out
United Capital Management of KS, Inc.0$00.00%−6,016−100.0%Sold out
Cornerstone Wealth Management, LLC0$00.00%−5,993−100.0%Sold out
FNY Investment Advisers, LLC0$00.00%−5,985−100.0%Sold out
Valeo Financial Advisors, LLC0$00.00%−5,460−100.0%Sold out
Ameritas Advisory Services, LLC0$00.00%−5,345−100.0%Sold out
Essex Financial Services, Inc.0$00.00%−5,116−100.0%Sold out
HBK Sorce Advisory LLC0$00.00%−3,008−100.0%Sold out
Commerce Bank0$00.00%−4,346−100.0%Sold out
Money Concepts Capital Corp0$00.00%−4,318−100.0%Sold out
Accurate Wealth Management, LLC0$00.00%−2,737−100.0%Sold out
Counterpoint Mutual Funds LLC0$00.00%−4,213−100.0%Sold out
Arete Wealth Advisors, LLC0$00.00%−3,990−100.0%Sold out
Pacitti Group Inc.0$00.00%−3,917−100.0%Sold out
WBI Investments0$00.00%−3,876−100.0%Sold out
Brookstone Capital Management0$00.00%−3,873−100.0%Sold out
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management0$00.00%−3,872−100.0%Sold out
Pathstone Holdings, LLC0$00.00%−3,542−100.0%Sold out
Owen LaRue, LLC0$00.00%−3,500−100.0%Sold out
Red Door Wealth Management, LLC0$00.00%−3,410−100.0%Sold out
McGuire Investment Group, LLC0$00.00%−3,313−100.0%Sold out
Almanack Investment Partners, LLC.0$00.00%−3,257−100.0%Sold out
Wealthstar Advisors, LLC0$00.00%−3,044−100.0%Sold out
Mesirow Financial Investment Management, Inc.0$00.00%−3,010−100.0%Sold out
Patten Group, Inc.0$00.00%−2,961−100.0%Sold out
IPG Investment Advisors LLC0$00.00%−2,950−100.0%Sold out
WSFS Capital Management, LLC0$00.00%−2,909−100.0%Sold out
Capital Advisors Wealth Management, LLC0$00.00%−2,900−100.0%Sold out
Camarda Financial Advisors, LLC0$00.00%−2,893−100.0%Sold out
Caisse des Depots Et Consignations0$00.00%−2,874−100.0%Sold out
360 Financial, Inc.0$00.00%−2,775−100.0%Sold out
Pensionmark Financial Group, LLC0$00.00%−2,756−100.0%Sold out
Marietta Wealth Management, LLC0$00.00%−2,730−100.0%Sold out
GoalFusion Wealth Management, LLC0$00.00%−2,705−100.0%Sold out
Harbour Capital Advisors, LLC0$00.00%−2,250−100.0%Sold out
LeConte Wealth Management, LLC0$00.00%−2,681−100.0%Sold out
Skylands Capital, LLC0$00.00%−2,631−100.0%Sold out
Covenant Asset Management, LLC0$00.00%−2,570−100.0%Sold out
Miracle Mile Advisors, LLC0$00.00%−2,554−100.0%Sold out
Suncoast Equity Management0$00.00%−2,535−100.0%Sold out
Nwam LLC0$00.00%−1,774−100.0%Sold out
BostonPremier Wealth LLC0$00.00%−2,517−100.0%Sold out
Crescent Grove Advisors, LLC0$00.00%−2,514−100.0%Sold out
HBW Advisory Services LLC0$00.00%−2,458−100.0%Sold out
TRUE Private Wealth Advisors0$00.00%−2,445−100.0%Sold out
Clay Northam Wealth Management, LLC0$00.00%−2,415−100.0%Sold out
Visionary Wealth Advisors0$00.00%−2,350−100.0%Sold out
Evernest Financial Advisors, LLC0$00.00%−2,349−100.0%Sold out
TCG Advisory Services, LLC0$00.00%−2,329−100.0%Sold out
Bedell Frazier Investment Counseling, LLC0$00.00%−2,300−100.0%Sold out
Icon Wealth Advisors, LLC0$00.00%−2,300−100.0%Sold out
American Alpha Advisors, LLC0$00.00%−2,300−100.0%Sold out
United Asset Strategies, Inc.0$00.00%−2,269−100.0%Sold out
Cassaday & Co Wealth Management LLC0$00.00%−2,267−100.0%Sold out
Westbourne Investments, Inc.0$00.00%−1,900−100.0%Sold out
Abel Hall, LLC0$00.00%−2,243−100.0%Sold out
Lake Street Financial LLC0$00.00%−2,190−100.0%Sold out
Procyon Private Wealth Partners, LLC0$00.00%−2,158−100.0%Sold out
Purus Wealth Management, LLC0$00.00%−2,150−100.0%Sold out
Insight Advisors, LLC0$00.00%−2,103−100.0%Sold out
Ritholtz Wealth Management0$00.00%−2,102−100.0%Sold out
AssuredPartners Investment Advisors, LLC0$00.00%−2,076−100.0%Sold out
Capital Investment Advisors, LLC0$00.00%−2,074−100.0%Sold out
Wellington Shields & Co., LLC0$00.00%−2,057−100.0%Sold out
DDFG, Inc0$00.00%−2,050−100.0%Sold out
Profund Advisors LLC0$00.00%−2,009−100.0%Sold out
Cullinan Associates Inc0$00.00%−2,000−100.0%Sold out
Graybill Bartz & Assoc Ltd0$00.00%−2,000−100.0%Sold out
Beaird Harris Wealth Management, LLC0$00.00%−2,000−100.0%Sold out
Cyndeo Wealth Partners, LLC0$00.00%−2,000−100.0%Sold out
Inman Jager Wealth Management, LLC0$00.00%−2,000−100.0%Sold out
Savant Capital, LLC0$00.00%−1,995−100.0%Sold out
Private Client Services, LLC0$00.00%−1,978−100.0%Sold out
Union Bancaire Privee, UBP SA0$00.00%−2,210−100.0%Sold out
Lazari Capital Management, Inc.0$00.00%−1,900−100.0%Sold out
Jaffetilchin Investment Partners, LLC0$00.00%−1,895−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−1,855−100.0%Sold out
Liberty Wealth Management LLC0$00.00%−1,846−100.0%Sold out
Wealth Alliance Advisory Group, LLC0$00.00%−1,805−100.0%Sold out
Moseley Investment Management Inc0$00.00%−1,800−100.0%Sold out
Dudley Capital Management, LLC0$00.00%−1,800−100.0%Sold out
Sovran Advisors, LLC0$00.00%−1,460−100.0%Sold out
All Terrain Financial Advisors, LLC0$00.00%−1,400−100.0%Sold out
Wealthspire Advisors, LLC0$00.00%−1,327−100.0%Sold out