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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, Q4 2022

Institutional positions in Oklo Inc. as of Dec 31, 2022. 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
73
−4 vs. Q3 2022
Shares held
47.0M
−1.59M (−3.3%) vs. Q3 2022
Total value
$466.4M
−$7.96M (−1.7%) vs. Q3 2022
New holders
6
16 more added
Sold out
10
9 more reduced

Compare with Q3 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 holdersQ4 2022: 73 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 2022: $466.4M
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, Q4 2022

Shares, value and share of portfolio for each institution holding Oklo Inc.; share changes are against Q3 2022.

Institutions holding OKLO in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Empyrean Capital Partners, LP4,847,126$48.1M1.78%00.0%Unchanged
Tiger Global Management LLCSuperinvestorTiger Global Management4,000,000$39.7M0.49%00.0%Unchanged
Magnetar Financial LLC3,420,300$33.9M0.58%00.0%Unchanged
PEAK6 Investments LLC3,297,000$32.7M1.80%00.0%Unchanged
Citadel Advisors LLC2,500,000$24.8M0.03%−2440.0%Reduced
Marshall Wace, LLP2,300,339$22.8M0.06%00.0%Unchanged
Millennium Management LLC1,760,438$17.5M0.02%−401,072−18.6%Reduced
Adage Capital Partners GP, L.L.C.1,500,000$14.9M0.04%00.0%Unchanged
Janus Henderson Group PLC1,281,220$12.7M0.01%+1,281,220New
Radcliffe Capital Management, L.P.1,264,411$12.5M0.54%00.0%Unchanged
BlueCrest Capital Management Ltd1,100,000$10.9M1.32%00.0%Unchanged
CNH Partners LLC1,037,813$10.3M0.26%+515,213+98.6%Added
TD Asset Management Inc1,018,700$10.1M0.01%00.0%Unchanged
Calamos Advisors LLC1,000,000$9.92M0.05%00.0%Unchanged
Kim, LLC952,500$9.45M0.52%+552,500+138.1%Added
CSS LLC910,496$9.03M0.59%+416,132+84.2%Added
Woodline Partners LP800,000$7.94M0.11%00.0%Unchanged
Alberta Investment Management Corp791,309$7.85M0.07%00.0%Unchanged
D. E. Shaw & Co., Inc.732,678$7.27M0.01%+597,000+440.0%Added
Schechter Investment Advisors, LLC699,891$6.94M0.63%+643,151+1,133.5%Added
Exos TFP Holdings LLC607,968$6.03M1.67%+477,133+364.7%Added
MMCAP International Inc. SPC600,000$5.95M0.60%00.0%Unchanged
Kepos Capital LP575,000$5.70M0.82%+75,000+15.0%Added
Fir Tree Capital Management LP505,129$5.01M0.26%−69,284−12.1%Reduced
Balyasny Asset Management LLC500,000$4.96M0.02%00.0%Unchanged
Moore Capital Management, LP500,000$4.96M0.14%00.0%Unchanged
Healthcare of Ontario Pension Plan Trust Fund500,000$4.96M0.03%00.0%Unchanged
Castle Hook Partners LP500,000$4.96M0.55%00.0%Unchanged
CVI Holdings, LLC473,801$4.70M0.60%00.0%Unchanged
Mangrove Partners450,000$4.46M0.43%00.0%Unchanged
Sage Rock Capital Management LP448,500$4.45M1.39%00.0%Unchanged
HSBC Holdings PLC421,096$4.18M0.01%+171,097+68.4%Added
Bulldog Investors, LLP414,095$4.11M1.24%−16,845−3.9%Reduced
Saba Capital Management, L.P.400,000$3.97M0.07%00.0%Unchanged
Ghisallo Capital Management LLC400,000$3.97M0.71%00.0%Unchanged
Verition Fund Management LLC392,211$3.89M0.08%+186,114+90.3%Added
Silver Rock Financial LP376,301$3.73M1.18%00.0%Unchanged
Capstone Investment Advisors, LLC373,551$3.71M0.10%00.0%Unchanged
Spartan Fund Management Inc.309,173$3.07M1.11%+139,173+81.9%Added
Periscope Capital Inc.259,377$2.57M0.11%+259,377New
Deutsche Bank AG250,000$2.48M0.00%+250,000New
Sculptor Capital LP228,914$2.27M0.04%00.0%Unchanged
DuPont Capital Management Corp200,000$1.98M0.09%00.0%Unchanged
Wealthspring Capital LLC193,421$1.92M2.87%+107,671+125.6%Added
Picton Mahoney Asset Management150,000$1.49M0.08%00.0%Unchanged
Tenor Capital Management Co., L.P.140,992$1.40M0.03%00.0%Unchanged
Rivernorth Capital Management, LLC137,000$1.36M0.06%00.0%Unchanged
Jane Street Group, LLC100,107$993.1K0.00%−54−0.1%Reduced
Segantii Capital Management Ltd100,000$992.0K0.04%00.0%Unchanged
Mint Tower Capital Management B.V.100,000$992.0K0.11%00.0%Unchanged
Farallon Capital Management, L.L.C.98,300$975.1K0.01%00.0%Unchanged
HRT Financial LP97,389$966.0K0.01%00.0%Unchanged
Caas Capital Management LP95,138$943.8K0.18%00.0%Unchanged
Crestline Management, LP90,400$896.8K0.13%+57,714+176.6%Added
Starboard Value LPSuperinvestorStarboard Value82,300$816.4K0.02%00.0%Unchanged
Gritstone Asset Management LLC81,959$813.0K1.04%+81,959New
Elequin Capital LP79,825$791.9K0.22%+78,757+7,374.3%Added
Atlas Merchant Capital LLC75,000$744.0K0.12%+75,000New
Cantor Fitzgerald, L. P.67,147$666.0K0.01%−174,904−72.3%Reduced
Sage Mountain Advisors LLC52,150$517.3K0.12%+31,991+158.7%Added
Bank of Nova Scotia50,000$496.0K0.00%00.0%Unchanged
Whitebox Advisors LLC50,000$496.0K0.02%00.0%Unchanged
Commonwealth of Pennsylvania Public School Empls Retrmt Sys44,530$442.0K0.00%00.0%Unchanged
Robinson Capital Management, LLC42,000$417.1K0.21%+30,000+250.0%Added
Captrust Financial Advisors33,186$329.2K0.00%−4,100−11.0%Reduced
Advisor Group Holdings, Inc.30,485$302.0K0.00%−100−0.3%Reduced
Toroso Investments, LLC30,000$298.0K0.01%+30,000New
Condor Capital Management25,723$255.2K0.03%+14,200+123.2%Added
Deltec Asset Management LLC24,687$244.9K0.07%00.0%Unchanged
Berkley W R Corp19,782$196.2K0.01%00.0%Unchanged
Walleye Capital LLC12,800$127.0K0.00%00.0%Unchanged
PenderFund Capital Management Ltd.6,346$85.0K0.03%−580−8.4%Reduced
Royal Bank of Canada1,300$13.0K0.00%00.0%Unchanged
BlackRock Inc.0$00.00%−2,031,573−100.0%Sold out
Soroban Capital Partners LP0$00.00%−2,000,000−100.0%Sold out
Cadian Capital Management, LP0$00.00%−1,000,000−100.0%Sold out
BNP Paribas Arbitrage, SA0$00.00%−631,057−100.0%Sold out
RP Investment Advisors LP0$00.00%−550,000−100.0%Sold out
UBS Oconnor LLC0$00.00%−477,246−100.0%Sold out
Citigroup Inc0$00.00%−300,000−100.0%Sold out
Bank of America Corp0$00.00%−3,272−100.0%Sold out
UBS Group AG0$00.00%−2,073−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−525−100.0%Sold out