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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, Q2 2025

Institutional positions in Oklo Inc. as of Jun 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
481
+195 vs. Q1 2025
Shares held
54.1M
+19.7M (+57.4%) vs. Q1 2025
Total value
$3.03B
+$2.29B (+307.5%) vs. Q1 2025
New holders
239
135 more added
Sold out
44
72 more reduced

6 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 481 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 2025: $3.03B
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 2025

Shares, value and share of portfolio for each institution holding Oklo Inc.; share changes are against Q1 2025.

Institutions holding OKLO in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Atticus Wealth Management, LLC600$33.6K0.01%00.0%Unchanged
Creative Financial Designs Inc590$33.0K0.00%+305+107.0%Added
Manchester Capital Management LLC570$31.9K0.00%−290−33.7%Reduced
Vision Financial Markets LLC525$29.4K0.03%00.0%Unchanged
Natixis524$29.3K0.00%−700−57.2%Reduced
Vermillion Wealth Management, Inc.500$28.0K0.01%−3,118−86.2%Reduced
Mount Yale Investment Advisors, LLC500$28.0K0.00%+500New
Fourth Dimension Wealth, LLC450$25.2K0.01%+250+125.0%Added
Caldwell Sutter Capital, Inc.441$24.7K0.01%+441New
Private Trust Co NA440$24.6K0.00%+440New
Bear Mountain Capital, Inc.350$24.1K0.01%+50+16.7%Added
WFA of San Diego, LLC400$22.4K0.02%+400New
Salem Investment Counselors Inc350$19.6K0.00%+100+40.0%Added
Delos Wealth Advisors, LLC350$19.6K0.02%+350New
Cornerstone Planning Group LLC221$18.6K0.00%00.0%Unchanged
Essential Partners LLC331$18.5K0.01%+331New
Curio Wealth, LLC310$17.4K0.01%+310New
Costello Asset Management, INC300$16.8K0.01%+300New
NBC Securities, Inc.300$16.0K0.00%00.0%Unchanged
Sound Income Strategies, LLC281$15.7K0.00%00.0%Unchanged
Huntington National Bank252$14.1K0.00%00.0%Unchanged
Morton Brown Family Wealth, LLC250$14.0K0.00%+250New
HHM Wealth Advisors, LLC234$13.1K0.00%00.0%Unchanged
GoalVest Advisory LLC204$11.4K0.00%+204New
Rossby Financial, LCC200$11.2K0.00%+200New
TD Waterhouse Canada Inc.211$10.9K0.00%+40+23.4%Added
Dogwood Wealth Management LLC202$10.8K0.01%+202New
TFC Financial Management190$10.6K0.00%+190New
CoreCap Advisors, LLC180$10.1K0.00%−3,448−95.0%Reduced
Cherry Tree Wealth Management, LLC154$8.63K0.00%−73−32.2%Reduced
First United Bank Trust150$8.40K0.00%00.0%Unchanged
Ci Investments Inc.117$7.00K0.00%+117New
Atlantic Edge Private Wealth Management, LLC125$7.00K0.00%+125New
Activest Wealth Management120$6.72K0.00%00.0%Unchanged
Anchor Investment Management, LLC110$6.16K0.00%00.0%Unchanged
Main Street Group, LTD109$6.10K0.00%−60−35.5%Reduced
Archer Investment Corp105$5.88K0.00%+105New
Orion Capital Management LLC105$5.88K0.00%+105New
Berbice Capital Management LLC100$5.60K0.00%−250−71.4%Reduced
CBIZ Investment Advisory Services, LLC100$5.60K0.00%00.0%Unchanged
Sittner & Nelson, LLC100$5.60K0.00%00.0%Unchanged
Bank of New Hampshire100$5.60K0.00%00.0%Unchanged
Signature Resources Capital Management, LLC100$5.60K0.00%+100New
Hilltop National Bank100$5.60K0.00%+100New
New England Capital Financial Advisors LLC95$5.32K0.00%+95New
Barrett & Company, Inc.85$4.76K0.00%+85New
Vermillion & White Wealth Management Group, LLC74$4.14K0.00%+74New
South State Corp.69$3.86K0.00%00.0%Unchanged
Smallwood Wealth Investment Management, LLC65$3.64K0.00%+10+18.2%Added
Cheviot Value Management, LLC40$3.01K0.00%+40New
Murphy & Mullick Capital Management Corp50$2.80K0.00%00.0%Unchanged
McIlrath & Eck, LLC50$2.80K0.00%+50New
Toth Financial Advisory Corp45$2.52K0.00%+45New
Cape Investment Advisory, Inc.40$2.24K0.00%−960−96.0%Reduced
Fortitude Family Office, LLC35$1.96K0.00%+35New
Kestra Investment Management, LLC44$1.71K0.00%+22+100.0%Added
Comprehensive Financial Planning, Inc.30$1.68K0.00%00.0%Unchanged
Slocum, Gordon & Co LLP24$1.38K0.00%00.0%Unchanged
Bellevue Asset Management, LLC24$1.34K0.00%+24New
Millstone Evans Group, LLC23$1.29K0.00%−10−30.3%Reduced
Assetmark, Inc20$1.12K0.00%+20New
Hughes Financial Services, LLC13$1.08K0.00%+13New
UMA Financial Services, Inc.19$1.06K0.00%−18−48.6%Reduced
Tradewinds Capital Management, LLC18$1.01K0.00%+18New
Aspect Partners, LLC17$9520.00%+17New
Bare Financial Services, Inc16$8960.00%+16New
SWAN Capital LLC15$8400.00%+1+7.1%Added
Fifth Third Bancorp15$8400.00%+15New
Principal Securities, Inc.13$7280.00%+13New
GeoWealth Management, LLC13$7280.00%+13New
Accredited Wealth Management, LLC10$5600.00%00.0%Unchanged
Berkshire Capital Holdings Inc10$5600.00%+10New
Rialto Wealth Management, LLC9$5040.00%−9−50.0%Reduced
GHP Investment Advisors, Inc.9$5040.00%+1+12.5%Added
HighMark Wealth Management LLC5$2800.00%−20−80.0%Reduced
Scarborough Advisors, LLC5$2800.00%+5New
City State Bank4$2240.00%+4New
Birchbrook, Inc.4$2240.00%+4New
Annis Gardner Whiting Capital Advisors, LLC1$560.00%+1New
Resources Management Corp3$00.00%+3New
Gordian Capital Singapore Pte Ltd9,310––+9,042+3,373.9%Added
Renaissance Technologies LLC0$00.00%−1,096,400−100.0%Sold out
Readystate Asset Management LP0$00.00%−442,095−100.0%Sold out
Jump Financial, LLC0$00.00%−320,352−100.0%Sold out
Temasek Holdings (Private) Ltd0$00.00%−256,569−100.0%Sold out
HRT Financial LP0$00.00%−218,624−100.0%Sold out
PEAK6 LLC0$00.00%−173,856−100.0%Sold out
Jane Street Group, LLC0$00.00%−134,519−100.0%Sold out
Hampton Road Capital Management LP0$00.00%−123,830−100.0%Sold out
Virtu Financial LLC0$00.00%−118,229−100.0%Sold out
Omers Administration Corp0$00.00%−117,400−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−114,618−100.0%Sold out
Jain Global LLC0$00.00%−87,159−100.0%Sold out
National Philanthropic Trust0$00.00%−70,000−100.0%Sold out
IMC-Chicago, LLC0$00.00%−64,415−100.0%Sold out
Botty Investors LLC0$00.00%−61,849−100.0%Sold out
Squarepoint Ops LLC0$00.00%−53,421−100.0%Sold out
HarbourVest Partners LLC0$00.00%−48,420−100.0%Sold out
Scientech Research LLC0$00.00%−43,900−100.0%Sold out
Sepio Capital, LP0$00.00%−25,277−100.0%Sold out