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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 2024

Institutional positions in Oklo Inc. as of Sep 30, 2024. 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
124
+33 vs. Q2 2024
Shares held
46.4M
+8.49M (+22.4%) vs. Q2 2024
Total value
$387.2M
+$66.1M (+20.6%) vs. Q2 2024
New holders
51
32 more added
Sold out
18
21 more reduced

2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: 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 2024: 124 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 2024: $387.2M
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 2024

Shares, value and share of portfolio for each institution holding Oklo Inc.; share changes are against Q2 2024.

Institutions holding OKLO in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Simplex Trading, LLC5,141$41.0K0.00%−34,751−87.1%Reduced
FNY Investment Advisers, LLC5,065$40.0K0.02%−4,495−47.0%Reduced
Ancora Advisors, LLC3,900$31.6K0.00%+3,900New
Advisor Group Holdings, Inc.3,625$29.3K0.00%+200+5.8%Added
Stone House Investment Management, LLC2,900$23.5K0.00%+1,500+107.1%Added
The PNC Financial Services Group, Inc.1,330$10.8K0.00%00.0%Unchanged
Natixis1,300$10.5K0.00%00.0%Unchanged
Larson Financial Group LLC1,100$8.90K0.00%+700+175.0%Added
ADAR1 Capital Management, LLC1,000$8.09K0.00%00.0%Unchanged
Atticus Wealth Management, LLC1,000$8.09K0.00%+1,000New
Allworth Financial LP850$6.88K0.00%+850New
US Bancorp681$5.51K0.00%+581+581.0%Added
Gordian Capital Singapore Pte Ltd518$4.19K0.00%00.0%Unchanged
Harbour Investments, Inc.500$4.04K0.00%+200+66.7%Added
CIBC Private Wealth Group, LLC496$4.01K0.00%00.0%Unchanged
HBC Financial Services, PLLC200$4.00K0.00%+200New
Tower Research Capital LLC (TRC)423$3.42K0.00%+423New
Steward Partners Investment Advisory, LLC375$3.03K0.00%+375New
Federation des caisses Desjardins du Quebec365$2.95K0.00%−1,000−73.3%Reduced
Caitlin John, LLC100$2.31K0.00%−450−81.8%Reduced
Salem Investment Counselors Inc250$2.02K0.00%+250New
Northwestern Mutual Wealth Management Co100$8090.00%+100New
Sound Income Strategies, LLC60$4850.00%00.0%Unchanged
CWM, LLC15$00.00%+15New
Valiant Capital Management, L.P.0$00.00%−914,195−100.0%Sold out
Hel Ved Capital Management Ltd0$00.00%−455,000−100.0%Sold out
Fred Alger Management, LLC0$00.00%−152,591−100.0%Sold out
Nomura Holdings Inc0$00.00%−137,244−100.0%Sold out
Cowen and Company, LLC0$00.00%−105,000−100.0%Sold out
Caption Management, LLC0$00.00%−85,971−100.0%Sold out
Bokf, NA0$00.00%−85,000−100.0%Sold out
Magnetar Financial LLC0$00.00%−75,000−100.0%Sold out
Group One Trading, L.P.0$00.00%−66,523−100.0%Sold out
Cinctive Capital Management LP0$00.00%−46,100−100.0%Sold out
Flow State Investments, L.P.0$00.00%−39,557−100.0%Sold out
Virtu Financial LLC0$00.00%−39,470−100.0%Sold out
Squarepoint Ops LLC0$00.00%−27,431−100.0%Sold out
Carlson Capital L P0$00.00%−25,000−100.0%Sold out
Level Four Advisory Services, LLC0$00.00%−20,300−100.0%Sold out
MYDA Advisors LLC0$00.00%−20,000−100.0%Sold out
Cypress Capital, LLC0$00.00%−200−100.0%Sold out
Sanctuary Wealth Management, L.L.C.0$00.00%−31−100.0%Sold out
BlackRock Inc.––––Not filed
Gratus Capital LLC––––Not filed