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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, 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
Russell Investments Group, Ltd.45,211$5.05M0.01%+15,846+54.0%Added
Janus Henderson Group PLC44,787$5.00M0.00%+8,287+22.7%Added
Q Capital Solutions43,790$4.89M2.12%−53,564−55.0%Reduced
Franklin Resources Inc43,264$4.83M0.00%+43,264New
Kestra Advisory Services, LLC41,492$4.63M0.02%−15,442−27.1%Reduced
Bouvel Investment Partners, LLC41,070$4.58M1.40%+654+1.6%Added
Spirit of America Management Corp40,850$4.56M0.91%+13,050+46.9%Added
Group One Trading, L.P.40,153$4.48M0.13%−19,915−33.2%Reduced
Caitong International Asset Management Co., Ltd40,086$4.47M3.10%+13,866+52.9%Added
SEI Investments Co40,035$4.47M0.00%+92+0.2%Added
Legacy Capital Group California, Inc.38,734$4.32M1.10%−506−1.3%Reduced
New York State Common Retirement Fund38,498$4.30M0.01%+2,804+7.9%Added
Cresset Asset Management, LLC38,323$4.28M0.02%+9,391+32.5%Added
Legacy Bridge, LLC38,042$4.25M1.77%+522+1.4%Added
Geneos Wealth Management Inc.37,972$4.24M0.11%−40.0%Reduced
State of New Jersey Common Pension Fund D37,285$4.16M0.02%+37,285New
IMC-Chicago, LLC37,086$4.14M0.07%+37,086New
Secure Asset Management, LLC35,123$4.07M0.67%−8,324−19.2%Reduced
Thoroughbred Financial Services, LLC35,042$3.91M0.24%+2,292+7.0%Added
Cerity Partners LLC34,376$3.84M0.01%−19,703−36.4%Reduced
Sanctuary Advisors, LLC34,268$3.83M0.02%+430+1.3%Added
Concurrent Investment Advisors, LLC33,413$3.73M0.06%−1,159−3.4%Reduced
Susquehanna International Group, LLP32,714$3.65M0.01%−164,949−83.4%Reduced
Rockefeller Capital Management L.P.32,469$3.62M0.01%−22,417−40.8%Reduced
Graham Capital Management, L.P.32,093$3.58M0.13%+32,093New
TCFG Wealth Management, LLC31,580$3.53M1.39%+3,680+13.2%Added
Neuberger Berman Group LLC31,152$3.48M0.00%+5,245+20.2%Added
Nicholas Investment Partners, LP31,044$3.47M0.26%+9,772+45.9%Added
Arizona State Retirement System30,528$3.41M0.02%+12,292+67.4%Added
AQR Capital Management LLC30,461$3.40M0.00%+22,450+280.2%Added
Kestra Private Wealth Services, LLC30,455$3.40M0.04%+11,319+59.2%Added
Polymer Capital Management (HK) LTD30,409$3.39M0.47%+19,239+172.2%Added
Police & Firemen's Retirement System of New Jersey30,256$3.38M0.03%+7,037+30.3%Added
Canal Insurance CO30,000$3.35M0.71%−30,000−50.0%Reduced
Firsthand Capital Management, Inc.30,000$3.35M5.62%00.0%Unchanged
HighTower Advisors, LLC29,443$3.29M0.00%+6,025+25.7%Added
Mercer Global Advisors Inc29,042$3.24M0.01%−1,584−5.2%Reduced
Caption Management, LLC29,020$3.24M0.19%+29,020New
Banque Transatlantique SA27,890$3.22M0.08%−21,080−43.0%Reduced
Prime Capital Investment Advisors, LLC28,792$3.21M0.04%+2,031+7.6%Added
Moody Aldrich Partners LLC28,045$3.13M0.59%+28,045New
Bridgeway Capital Management, LLC27,550$3.08M0.07%+27,550New
Creative Planning27,511$3.07M0.00%−45,395−62.3%Reduced
Sowell Financial Services LLC26,193$2.92M0.11%+2,976+12.8%Added
Wedbush Securities Inc26,106$2.91M0.10%+345+1.3%Added
State Board of Administration of Florida Retirement System26,003$2.90M0.01%−50−0.2%Reduced
Truist Financial Corp25,891$2.89M0.00%+13,041+101.5%Added
KLP Kapitalforvaltning AS25,700$2.87M0.01%+10,200+65.8%Added
Bridgewater Associates, LP25,593$2.86M0.01%+25,593New
Intech Investment Management LLC25,560$2.85M0.03%−24,549−49.0%Reduced
Two Sigma Advisers, LP25,500$2.85M0.01%−9,600−27.4%Reduced
Evergreen Capital Management LLC25,336$2.83M0.07%+40.0%Added
Independent Financial Group, LLC25,262$2.82M0.07%+16,971+204.7%Added
Verition Fund Management LLC24,738$2.76M0.02%−23,770−49.0%Reduced
CWM, LLC23,974$2.68M0.01%+8,902+59.1%Added
Oppenheimer & Co Inc23,921$2.67M0.03%+2,777+13.1%Added
STRS Ohio23,600$2.63M0.01%+4,500+23.6%Added
Arlington Capital Management, Inc.23,524$2.63M1.68%+23,524New
Envestnet Asset Management Inc23,396$2.61M0.00%+17,526+298.6%Added
SG Americas Securities, LLC23,233$2.59M0.01%−17,599−43.1%Reduced
GWM Advisors LLC22,891$2.56M0.01%+6,255+37.6%Added
Citizens Financial Group Inc22,097$2.47M0.03%−29,638−57.3%Reduced
Advisory Services Network, LLC22,092$2.47M0.04%+950+4.5%Added
GeoSphere Capital Management, LLC22,075$2.46M1.88%−2,925−11.7%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH21,175$2.36M0.00%+6,685+46.1%Added
Bleakley Financial Group, LLC21,092$2.35M0.05%−18,699−47.0%Reduced
Vantage Point Financial LLC21,053$2.35M0.91%00.0%Unchanged
Alight Capital Management LP20,500$2.29M0.55%−7,000−25.5%Reduced
Triad Wealth Partners, LLC20,311$2.27M0.29%+361+1.8%Added
Zurcher Kantonalbank (Zurich Cantonalbank)19,832$2.21M0.01%+8,100+69.0%Added
Neo Ivy Capital Management19,696$2.20M0.54%+19,696New
Voya Investment Management LLC19,619$2.19M0.00%−8,550−30.4%Reduced
Hennion & Walsh Asset Management, Inc.19,616$2.19M0.08%+7,367+60.1%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.19,500$2.18M0.00%+19,500New
Jump Financial, LLC19,170$2.14M0.03%+19,170New
Walleye Capital LLC18,884$2.11M0.02%−22,806−54.7%Reduced
ProShare Advisors LLC18,597$2.08M0.00%−2,466−11.7%Reduced
Rakuten Securities, Inc.18,519$2.07M0.76%−7,602−29.1%Reduced
Ensign Peak Advisors, Inc18,300$2.04M0.00%+13,100+251.9%Added
Morris Retirement Advisors, LLC17,896$2.00M0.87%+8,126+83.2%Added
Pinnbrook Capital Management LP17,870$1.99M0.37%+17,870New
Triton Wealth Management, PLLC14,325$1.98M0.75%−2,064−12.6%Reduced
Accordant Advisory Group Inc17,656$1.97M1.34%−23,209−56.8%Reduced
Flow Traders U.S. LLC17,643$1.97M0.08%+17,643New
Traynor Capital Management, Inc.17,600$1.96M0.11%+17,600New
Aristotle Atlantic Partners, LLC17,568$1.96M0.06%−17,568−50.0%Reduced
Brinker Capital Investments, LLC17,299$1.93M0.01%+17,299New
J.W. Cole Advisors, Inc.17,145$1.91M0.04%−3,968−18.8%Reduced
Bokf, NA17,000$1.90M0.03%−5,000−22.7%Reduced
We Are One Seven, LLC16,815$1.88M0.04%−19,728−54.0%Reduced
Axxcess Wealth Management, LLC16,810$1.88M0.04%−4,000−19.2%Reduced
Tradewinds, LLC.16,445$1.84M0.45%+16,445New
Change Path, LLC16,398$1.83M0.04%+710+4.5%Added
DRW Securities, LLC16,382$1.83M0.09%+16,382New
Hilltop Holdings Inc.16,192$1.81M0.10%−4,704−22.5%Reduced
Old Mission Capital LLC16,102$1.80M0.06%+12,114+303.8%Added
Prudential Financial Inc16,095$1.80M0.00%+2,905+22.0%Added
Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors16,093$1.80M0.21%+16,093New
Mairs & Power Inc15,971$1.78M0.02%00.0%Unchanged
Janney Montgomery Scott LLC15,823$1.77M0.00%+1,484+10.3%Added