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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
Prime Capital Investment Advisors, LLC28,792$3.21M0.04%+2,031+7.6%Added
Banque Transatlantique SA27,890$3.22M0.08%−21,080−43.0%Reduced
Caption Management, LLC29,020$3.24M0.19%+29,020New
Mercer Global Advisors Inc29,042$3.24M0.01%−1,584−5.2%Reduced
HighTower Advisors, LLC29,443$3.29M0.00%+6,025+25.7%Added
Firsthand Capital Management, Inc.30,000$3.35M5.62%00.0%Unchanged
Canal Insurance CO30,000$3.35M0.71%−30,000−50.0%Reduced
Police & Firemen's Retirement System of New Jersey30,256$3.38M0.03%+7,037+30.3%Added
Polymer Capital Management (HK) LTD30,409$3.39M0.47%+19,239+172.2%Added
Kestra Private Wealth Services, LLC30,455$3.40M0.04%+11,319+59.2%Added
AQR Capital Management LLC30,461$3.40M0.00%+22,450+280.2%Added
Arizona State Retirement System30,528$3.41M0.02%+12,292+67.4%Added
Nicholas Investment Partners, LP31,044$3.47M0.26%+9,772+45.9%Added
Neuberger Berman Group LLC31,152$3.48M0.00%+5,245+20.2%Added
TCFG Wealth Management, LLC31,580$3.53M1.39%+3,680+13.2%Added
Graham Capital Management, L.P.32,093$3.58M0.13%+32,093New
Rockefeller Capital Management L.P.32,469$3.62M0.01%−22,417−40.8%Reduced
Susquehanna International Group, LLP32,714$3.65M0.01%−164,949−83.4%Reduced
Concurrent Investment Advisors, LLC33,413$3.73M0.06%−1,159−3.4%Reduced
Sanctuary Advisors, LLC34,268$3.83M0.02%+430+1.3%Added
Cerity Partners LLC34,376$3.84M0.01%−19,703−36.4%Reduced
Thoroughbred Financial Services, LLC35,042$3.91M0.24%+2,292+7.0%Added
Secure Asset Management, LLC35,123$4.07M0.67%−8,324−19.2%Reduced
IMC-Chicago, LLC37,086$4.14M0.07%+37,086New
State of New Jersey Common Pension Fund D37,285$4.16M0.02%+37,285New
Geneos Wealth Management Inc.37,972$4.24M0.11%−40.0%Reduced
Legacy Bridge, LLC38,042$4.25M1.77%+522+1.4%Added
Cresset Asset Management, LLC38,323$4.28M0.02%+9,391+32.5%Added
New York State Common Retirement Fund38,498$4.30M0.01%+2,804+7.9%Added
Legacy Capital Group California, Inc.38,734$4.32M1.10%−506−1.3%Reduced
SEI Investments Co40,035$4.47M0.00%+92+0.2%Added
Caitong International Asset Management Co., Ltd40,086$4.47M3.10%+13,866+52.9%Added
Group One Trading, L.P.40,153$4.48M0.13%−19,915−33.2%Reduced
Spirit of America Management Corp40,850$4.56M0.91%+13,050+46.9%Added
Bouvel Investment Partners, LLC41,070$4.58M1.40%+654+1.6%Added
Kestra Advisory Services, LLC41,492$4.63M0.02%−15,442−27.1%Reduced
Franklin Resources Inc43,264$4.83M0.00%+43,264New
Q Capital Solutions43,790$4.89M2.12%−53,564−55.0%Reduced
Janus Henderson Group PLC44,787$5.00M0.00%+8,287+22.7%Added
Russell Investments Group, Ltd.45,211$5.05M0.01%+15,846+54.0%Added
Stratos Wealth Partners, LTD.46,921$5.24M0.06%+21,101+81.7%Added
Wealth Enhancement Advisory Services, LLC39,720$5.33M0.01%+13,151+49.5%Added
EAM Investors, LLC48,732$5.35M0.61%−10,369−17.5%Reduced
Prospera Financial Services Inc48,542$5.42M0.09%−2,893−5.6%Reduced
VestGen Advisors, LLC50,252$5.61M0.19%+29,427+141.3%Added
Pinebridge Investments, L.P.51,807$5.78M0.04%+51,807New
Millennium Management LLC52,230$5.83M0.00%+40,074+329.7%Added
SBI Securities Co., Ltd.53,197$5.94M0.15%+3,184+6.4%Added
Ameriprise Financial Inc54,690$6.11M0.00%+44,243+423.5%Added
Pictet Asset Management Holding SA55,062$6.15M0.01%+8,162+17.4%Added
Dimensional Fund Advisors LP55,427$6.21M0.00%+55,427New
MML Investors Services, LLC58,160$6.49M0.02%−20,061−25.6%Reduced
PFG Investments, LLC59,663$6.66M0.35%+6,350+11.9%Added
Blair William & Co62,229$6.95M0.02%+20,689+49.8%Added
Bank of Montreal62,527$6.98M0.00%+46,899+300.1%Added
MetLife Investment Management63,258$7.06M0.03%+1,944+3.2%Added
Mariner, LLC63,444$7.08M0.01%+9,823+18.3%Added
Y-Intercept (Hong Kong) Ltd65,833$7.35M0.18%+3,751+6.0%Added
State of Wisconsin Investment Board66,555$7.43M0.02%+28,057+72.9%Added
Jones Financial Companies LLLP69,551$7.69M0.01%+14,336+26.0%Added
Algert Global LLC69,670$7.78M0.13%+57,240+460.5%Added
Toroso Investments, LLC69,685$7.78M0.03%−558,973−88.9%Reduced
Manufacturers Life Insurance Company, The69,970$7.81M0.01%+8,833+14.4%Added
First Trust Advisors LP71,135$7.94M0.01%+19,862+38.7%Added
Scopus Asset Management, L.P.72,813$8.13M0.19%−25,000−25.6%Reduced
BNP Paribas Arbitrage, SA75,112$8.38M0.01%−93,559−55.5%Reduced
Westwood Wealth Management75,255$8.40M3.08%−29,995−28.5%Reduced
National Bank of Canada78,560$8.77M0.01%−34,601−30.6%Reduced
NewSquare Capital LLC82,804$9.24M0.63%+82,804New
Foundations Investment Advisors, LLC82,828$9.25M0.13%+9,832+13.5%Added
Deutsche Bank AG83,741$9.35M0.00%+17,092+25.6%Added
Stifel Financial Corp83,786$9.35M0.01%+7,510+9.8%Added
CAPROCK Group, Inc.132,844$9.78M0.24%+132,844New
AE Wealth Management LLC89,326$9.97M0.06%+6,995+8.5%Added
FFG Partners, LLC91,975$10.3M2.78%+91,975New
Virtu Financial LLC93,275$10.4M0.58%+93,275New
California State Teachers Retirement System97,641$10.9M0.01%+34,587+54.9%Added
Citigroup Inc97,688$10.9M0.01%−2,581−2.6%Reduced
Seven Grand Managers, LLC100,000$11.2M0.91%−100,000−50.0%Reduced
Strategic Planning Group, LLC102,112$11.4M1.54%−50,566−33.1%Reduced
Cambridge Investment Research Advisors, Inc.104,010$11.6M0.03%−1,842−1.7%Reduced
Two Sigma Investments, LP105,436$11.8M0.02%−36,725−25.8%Reduced
Driehaus Capital Management LLC110,298$12.3M0.09%+110,298New
Commonwealth Equity Services, LLC114,083$12.7M0.02%+30,124+35.9%Added
Colony Group, LLC115,793$12.9M0.02%+11,198+10.7%Added
Cetera Investment Advisers117,121$13.1M0.02%+5,299+4.7%Added
Baird Financial Group, Inc.118,420$13.2M0.02%−55,009−31.7%Reduced
Legal & General Group Plc121,239$13.5M0.00%+43,612+56.2%Added
Citadel Advisors LLC121,961$13.6M0.01%−52,896−30.3%Reduced
Advisor Group Holdings, Inc.165,836$14.6M0.02%+30,261+22.3%Added
Private Advisor Group, LLC144,083$16.1M0.08%+23,313+19.3%Added
HITE Hedge Asset Management LLC148,643$16.6M0.90%−18,333−11.0%Reduced
FMR LLC154,435$17.2M0.00%+80,298+108.3%Added
ARK Investment Management LLCSuperinvestorARK Invest156,481$17.5M0.10%−33,630−17.7%Reduced
Barclays PLC161,495$18.0M0.01%−249,441−60.7%Reduced
Mirae Asset Global Investments Co., Ltd.164,860$18.4M0.06%+54,080+48.8%Added
Rhumbline Advisers165,347$18.5M0.01%+5,644+3.5%Added
Alliancebernstein L.P.168,795$18.8M0.01%−20,716−10.9%Reduced
Simplex Trading, LLC169,596$18.9M0.42%+169,596New
California Public Employees Retirement System179,166$20.0M0.01%+179,166New