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Livermore
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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, Q1 2023

Institutional positions in Oklo Inc. as of Mar 31, 2023. 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
72
0 vs. Q4 2022
Shares held
48.1M
+1.67M (+3.6%) vs. Q4 2022
Total value
$488.4M
+$27.8M (+6.0%) vs. Q4 2022
New holders
9
16 more added
Sold out
9
7 more reduced

1 institution that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: 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 holdersQ1 2023: 72 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 heldQ1 2023: $488.4M
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, Q1 2023

Shares, value and share of portfolio for each institution holding Oklo Inc.; share changes are against Q4 2022.

Institutions holding OKLO in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Empyrean Capital Partners, LP4,847,126$49.2M2.00%00.0%Unchanged
Tiger Global Management LLCSuperinvestorTiger Global Management4,000,000$40.6M0.37%00.0%Unchanged
Magnetar Financial LLC3,420,300$34.7M0.68%00.0%Unchanged
PEAK6 Investments LLC3,297,000$33.5M2.12%00.0%Unchanged
J. Goldman & Co LP2,493,336$25.3M1.47%+2,493,336New
Marshall Wace, LLP2,300,339$23.3M0.06%00.0%Unchanged
Millennium Management LLC1,658,899$16.8M0.02%−101,539−5.8%Reduced
Schechter Investment Advisors, LLC1,605,786$16.3M1.51%+905,895+129.4%Added
Woodline Partners LP1,592,292$16.2M0.23%+792,292+99.0%Added
Adage Capital Partners GP, L.L.C.1,500,000$15.2M0.03%00.0%Unchanged
CNH Partners LLC1,494,252$15.2M0.46%+456,439+44.0%Added
Janus Henderson Group PLC1,340,900$13.6M0.01%+59,680+4.7%Added
Radcliffe Capital Management, L.P.1,264,411$12.8M0.80%00.0%Unchanged
Citadel Advisors LLC1,250,004$12.7M0.01%−1,249,996−50.0%Reduced
TD Asset Management Inc1,018,700$10.3M0.01%00.0%Unchanged
Calamos Advisors LLC1,000,000$10.2M0.05%00.0%Unchanged
Alberta Investment Management Corp791,309$8.03M0.08%00.0%Unchanged
D. E. Shaw & Co., Inc.732,678$7.44M0.01%00.0%Unchanged
MMCAP International Inc. SPC600,000$6.09M1.20%00.0%Unchanged
Exos TFP Holdings LLC581,458$5.90M1.49%−26,510−4.4%Reduced
Periscope Capital Inc.517,197$5.25M0.24%+257,820+99.4%Added
Vivaldi Asset Management, LLC516,087$5.24M0.23%+516,087New
Fir Tree Capital Management LP505,129$5.13M0.41%00.0%Unchanged
Balyasny Asset Management LLC500,000$5.08M0.02%00.0%Unchanged
Moore Capital Management, LP500,000$5.08M0.16%00.0%Unchanged
Healthcare of Ontario Pension Plan Trust Fund500,000$5.08M0.03%00.0%Unchanged
Meteora Capital, LLC499,000$5.06M0.60%+499,000New
Verition Fund Management LLC491,074$4.98M0.08%+98,863+25.2%Added
Westchester Capital Management, LLC480,025$4.87M0.16%+480,025New
CVI Holdings, LLC473,801$4.81M1.81%00.0%Unchanged
UBS Oconnor LLC472,621$4.80M0.11%+472,621New
Sage Rock Capital Management LP448,500$4.55M2.36%00.0%Unchanged
HSBC Holdings PLC421,096$4.27M0.01%00.0%Unchanged
Bulldog Investors, LLP405,421$4.12M1.32%−8,674−2.1%Reduced
Saba Capital Management, L.P.400,000$4.06M0.10%00.0%Unchanged
Silver Rock Financial LP376,301$3.82M3.06%00.0%Unchanged
Segantii Capital Management Ltd350,000$3.55M0.16%+250,000+250.0%Added
Wealthspring Capital LLC331,862$3.37M5.50%+138,441+71.6%Added
JPMorgan Chase & Co250,000$2.54M0.00%+250,000New
Deutsche Bank AG250,000$2.54M0.00%00.0%Unchanged
Sculptor Capital LP250,000$2.54M0.06%+21,086+9.2%Added
DuPont Capital Management Corp200,000$2.03M0.10%00.0%Unchanged
Kim, LLC152,500$1.55M0.11%−800,000−84.0%Reduced
Picton Mahoney Asset Management150,000$1.52M0.08%00.0%Unchanged
Boothbay Fund Management, LLC149,699$1.52M0.04%+149,699New
Tenor Capital Management Co., L.P.140,992$1.43M0.03%00.0%Unchanged
Rivernorth Capital Management, LLC137,000$1.39M0.07%00.0%Unchanged
Jane Street Group, LLC100,082$1.02M0.00%−250.0%Reduced
Mint Tower Capital Management B.V.100,000$1.01M0.14%00.0%Unchanged
Crestline Management, LP99,845$1.01M0.12%+9,445+10.4%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys99,530$1.01M0.01%+55,000+123.5%Added
Farallon Capital Management, L.L.C.98,300$997.7K0.01%00.0%Unchanged
HRT Financial LP97,389$988.0K0.01%00.0%Unchanged
Caas Capital Management LP95,138$965.7K0.31%00.0%Unchanged
Starboard Value LPSuperinvestorStarboard Value82,300$835.3K0.02%00.0%Unchanged
Gritstone Asset Management LLC81,959$831.9K1.05%00.0%Unchanged
Atlas Merchant Capital LLC75,000$761.3K0.13%00.0%Unchanged
Cantor Fitzgerald, L. P.67,147$681.5K0.01%00.0%Unchanged
Robinson Capital Management, LLC62,000$628.1K0.29%+20,000+47.6%Added
Sage Mountain Advisors LLC53,160$539.6K0.09%+1,010+1.9%Added
Bank of Nova Scotia50,000$507.5K0.00%00.0%Unchanged
Whitebox Advisors LLC50,000$507.5K0.02%00.0%Unchanged
PenderFund Capital Management Ltd.34,776$477.0K0.15%+28,430+448.0%Added
Condor Capital Management46,363$470.6K0.06%+20,640+80.2%Added
Captrust Financial Advisors33,186$336.8K0.00%00.0%Unchanged
Toroso Investments, LLC30,000$305.0K0.01%00.0%Unchanged
Deltec Asset Management LLC24,687$250.6K0.06%00.0%Unchanged
GAM Holding AG24,000$243.6K0.02%+24,000New
Berkley W R Corp19,783$200.8K0.01%+10.0%Added
MAS Advisors LLC13,220$134.2K0.13%+13,220New
Walleye Capital LLC12,800$129.9K0.00%00.0%Unchanged
Royal Bank of Canada300$3.00K0.00%−1,000−76.9%Reduced
BlueCrest Capital Management Ltd0$00.00%−1,100,000−100.0%Sold out
CSS LLC0$00.00%−910,496−100.0%Sold out
Castle Hook Partners LP0$00.00%−500,000−100.0%Sold out
Mangrove Partners0$00.00%−450,000−100.0%Sold out
Ghisallo Capital Management LLC0$00.00%−400,000−100.0%Sold out
Capstone Investment Advisors, LLC0$00.00%−373,551−100.0%Sold out
Spartan Fund Management Inc.0$00.00%−309,173−100.0%Sold out
Elequin Capital LP0$00.00%−79,825−100.0%Sold out
Advisor Group Holdings, Inc.0$00.00%−30,485−100.0%Sold out
Kepos Capital LP––––Not filed