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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, Q2 2026

Institutional positions in Oklo Inc. as of Jun 30, 2026. 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
673
+3 vs. Q1 2026
Shares held
81.7M
−7.56M (−8.5%) vs. Q1 2026
Total value
$4.27B
−$159.6M (−3.6%) vs. Q1 2026
New holders
126
260 more added
Sold out
123
175 more reduced

9 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 673 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 heldQ2 2026: $4.27B
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, Q2 2026

Shares, value and share of portfolio for each institution holding Oklo Inc.; share changes are against Q1 2026.

Institutions holding OKLO in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Equitable Holdings, Inc.72,426$3.79M0.02%+864+1.2%Added
Banque Transatlantique SA71,415$3.76M0.08%+16,225+29.4%Added
New York State Common Retirement Fund70,900$3.71M0.00%+32,500+84.6%Added
MML Investors Services, LLC69,887$3.66M0.01%+24,697+54.7%Added
Dimensional Fund Advisors LP68,694$3.59M0.00%−73,788−51.8%Reduced
Prime Capital Investment Advisors, LLC68,094$3.56M0.03%+21,728+46.9%Added
Algert Global LLC66,884$3.50M0.04%+66,884New
Holocene Advisors, LP66,859$3.50M0.01%+21,424+47.2%Added
Jupiter Topco LLC63,800$3.34M0.00%+63,800New
Police & Firemen's Retirement System of New Jersey63,411$3.32M0.02%+30,366+91.9%Added
Firsthand Capital Management, Inc.60,000$3.14M5.02%+30,000+100.0%Added
Treasurer of the State of North Carolina59,860$3.13M0.01%+59,860New
Bridgewater Associates, LP56,194$2.94M0.01%+1,238+2.3%Added
Natixis55,949$2.93M0.01%−57,327−50.6%Reduced
DnB Asset Management AS55,136$2.89M0.01%+26,511+92.6%Added
Manufacturers Life Insurance Company, The54,353$2.84M0.00%−16,080−22.8%Reduced
Leonteq Securities AG53,745$2.81M0.17%+9,972+22.8%Added
SBI Securities Co., Ltd.53,475$2.80M0.06%+2,657+5.2%Added
Vanguard Global Advisers, LLC53,003$2.77M0.00%+3,604+7.3%Added
Handelsbanken Fonder AB52,900$2.77M0.01%+16,100+43.8%Added
McGuire Investment Group, LLC51,877$2.71M0.24%+51,877New
Caz Investments LP50,800$2.66M1.26%00.0%Unchanged
Prospera Financial Services Inc49,663$2.60M0.04%+5,086+11.4%Added
Atomi Financial Group, Inc.48,147$2.52M0.07%+2,884+6.4%Added
Creative Planning48,048$2.51M0.00%−243−0.5%Reduced
RWM Asset Management, LLC63,665$2.47M0.35%−14,844−18.9%Reduced
State of New Jersey Common Pension Fund D46,562$2.44M0.01%+8,054+20.9%Added
Baird Financial Group, Inc.46,232$2.42M0.00%−2,298−4.7%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.45,320$2.37M0.00%−115,783−71.9%Reduced
Alliancebernstein L.P.47,697$2.37M0.00%−88,397−65.0%Reduced
Spirit of America Management Corp45,050$2.36M0.44%00.0%Unchanged
Sanctuary Advisors, LLC44,361$2.32M0.01%+7,931+21.8%Added
PEAK6 LLC42,652$2.23M0.05%+41,363+3,208.9%Added
Cresset Asset Management, LLC42,641$2.23M0.01%+4,026+10.4%Added
Thoroughbred Financial Services, LLC42,492$2.22M0.11%+3,437+8.8%Added
Marathon Trading Investment Management LLC42,000$2.20M0.25%+42,000New
GWM Advisors LLC41,362$2.16M0.01%+5,468+15.2%Added
Legacy Bridge, LLC40,705$2.13M0.66%+160+0.4%Added
Public Employees Retirement System of Ohio40,063$2.10M0.01%+40,063New
Arizona State Retirement System39,512$2.07M0.01%+9,417+31.3%Added
Stratos Wealth Partners, LTD.39,472$2.07M0.02%−2,762−6.5%Reduced
Philadelphia Investment Partners, LLC39,334$2.06M1.28%+6,443+19.6%Added
Alps Advisors Inc38,650$2.02M0.01%+11,023+39.9%Added
AE Wealth Management LLC38,188$1.99M0.01%+12,347+47.8%Added
TB Alternative Assets Ltd.38,021$1.99M0.32%+38,021New
Kestra Private Wealth Services, LLC37,297$1.95M0.02%+891+2.4%Added
Vanguard Investments Australia, Ltd.36,753$1.92M0.00%−15,165−29.2%Reduced
Hennion & Walsh Asset Management, Inc.36,609$1.92M0.05%+4,187+12.9%Added
J. Safra Sarasin Holding AG34,643$1.81M0.03%+34,643New
Encompass More Asset Management34,512$1.81M0.27%−4,603−11.8%Reduced
Gradient Investments LLC34,335$1.80M0.02%+9,570+38.6%Added
KLP Kapitalforvaltning AS34,300$1.79M0.01%−89,800−72.4%Reduced
Snowden Capital Advisors LLC33,860$1.77M0.04%+26,001+330.8%Added
Franklin Resources Inc33,830$1.77M0.00%+2,002+6.3%Added
Wiley Bros.-Aintree Capital, LLC33,378$1.75M0.01%+15,182+83.4%Added
Y-Intercept (Hong Kong) Ltd33,358$1.75M0.03%+33,358New
First Trust Advisors LP33,357$1.75M0.00%+13,233+65.8%Added
Jefferies Financial Group Inc.32,388$1.69M0.02%+2,688+9.1%Added
Neuberger Berman Group LLC32,215$1.69M0.00%−2,331−6.7%Reduced
Truist Financial Corp31,933$1.67M0.00%+4,165+15.0%Added
AQR Capital Management LLC31,554$1.65M0.00%+6,805+27.5%Added
Fortress Private Ledger, LLC31,285$1.64M0.45%+31,285New
McGuire Capital Advisors Inc31,219$1.63M0.89%+3,328+11.9%Added
Steward Partners Investment Advisory, LLC31,182$1.63M0.01%+6,460+26.1%Added
Kestra Advisory Services, LLC30,933$1.62M0.01%−16,837−35.2%Reduced
WCG Wealth Advisors LLC30,744$1.61M0.04%+1,968+6.8%Added
CastleKnight Management LP29,900$1.56M0.06%+16,300+119.9%Added
Wedbush Securities Inc29,571$1.55M0.04%+1,799+6.5%Added
Bouvel Investment Partners, LLC29,482$1.54M0.35%+132+0.4%Added
Marco Investment Management LLC29,300$1.53M0.10%+14,675+100.3%Added
Traynor Capital Management, Inc.29,263$1.53M0.07%−6,850−19.0%Reduced
Rakuten Securities, Inc.29,048$1.52M0.35%+8,566+41.8%Added
Citadel Advisors LLC28,281$1.48M0.00%−221,395−88.7%Reduced
Pictet Asset Management Holding SA27,746$1.45M0.00%−37,496−57.5%Reduced
Federation des caisses Desjardins du Quebec27,245$1.43M0.00%+11,234+70.2%Added
Park Avenue Securities LLC26,359$1.38M0.01%+12,194+86.1%Added
Twin Tree Management, LP25,979$1.36M0.21%−1,160−4.3%Reduced
Captrust Financial Advisors25,884$1.35M0.00%+4,254+19.7%Added
Schonfeld Strategic Advisors LLC25,662$1.34M0.01%+25,662New
Oppenheimer & Co Inc25,314$1.32M0.01%+7,051+38.6%Added
Concurrent Investment Advisors, LLC24,528$1.28M0.01%+2,447+11.1%Added
HighTower Advisors, LLC24,431$1.28M0.00%+2,130+9.6%Added
Walleye Trading LLC24,213$1.27M0.02%+24,213New
Horizon Investments, LLC23,954$1.25M0.01%+16,581+224.9%Added
Janney Montgomery Scott LLC23,734$1.24M0.00%+2,378+11.1%Added
Sowell Financial Services LLC23,313$1.22M0.04%+1,738+8.1%Added
Orion Investment Co23,102$1.21M0.35%+14,187+159.1%Added
Resources Investment Advisors, LLC.22,942$1.20M0.01%+1,151+5.3%Added
Pine Valley Investments Ltd Liability Co22,834$1.19M0.05%+3,356+17.2%Added
Advisory Services Network, LLC22,727$1.19M0.01%−1,198−5.0%Reduced
Geneos Wealth Management Inc.22,621$1.18M0.02%+1,389+6.5%Added
Man Group plc22,553$1.18M0.00%−187,205−89.2%Reduced
Quantbot Technologies LP21,701$1.14M0.04%−107,442−83.2%Reduced
Moneta Group Investment Advisors LLC21,593$1.13M0.01%+17,665+449.7%Added
Pinebridge Investments LLC21,349$1.12M0.01%−12,261−36.5%Reduced
Westbourne Investments, Inc.21,198$1.11M0.45%+21,198New
Vantage Point Financial LLC21,167$1.11M0.34%−66−0.3%Reduced
Bank of Nova Scotia21,077$1.10M0.00%+21,077New
Moors & Cabot, Inc.20,953$1.10M0.04%+1,511+7.8%Added
Storebrand Asset Management AS20,031$1.05M0.00%−7,362−26.9%Reduced