Oklo Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NYSE:OKLO Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
01 Jun 26	SellUS$3,944,941	Richard Bealmear	Individual	56,843	US$69.42
27 Mar 26	SellUS$540,960	John Jansen	Individual	10,500	US$51.52
27 Mar 26	SellUS$208,360	Richard Kinzley	Individual	4,000	US$52.09
22 Sep 25	SellUS$6,687,912	Michael Klein	Individual	50,000	US$135.20
05 Sep 25	SellUS$2,900,902	William Carroll Goodwin	Individual	41,387	US$70.09
23 Jun 25	SellUS$2,742,653	Michael Klein	Individual	50,000	US$55.22

Insider Trading Volume

Insider Buying: OKLO insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of OKLO?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	609,479	0.35%
Individual Insiders	11,621,847	6.68%
General Public	70,554,138	40.6%
Institutions	91,205,523	52.4%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 18.1%.

Top Shareholders

Top 25 shareholders own 45.21% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
9.14%	BlackRock, Inc.	15,907,512	US$973.1m	7.35%	0.01%
5.28%	Mirae Asset Global Investments Co., Ltd.	9,187,887	US$562.0m	12.5%	0.3%
3.59%	Vanguard Portfolio Management, LLC	6,237,918	US$381.6m	0%	0.02%
3.55%	Samuel Altman	6,171,902	US$377.5m	0%	no data
3.5%	Van Eck Associates Corporation	6,081,517	US$372.0m	53.7%	0.19%
3.35%	Vanguard Capital Management, LLC	5,830,933	US$356.7m	0%	0.01%
2.09%	Defiance ETFs, LLC	3,643,044	US$222.8m	0%	2.2%
1.91%	State Street Global Advisors, Inc.	3,326,142	US$203.5m	8.69%	0.01%
1.76%	Geode Capital Management, LLC	3,054,149	US$186.8m	8.46%	0.01%
1.53%	Jacob Dewitte	2,654,823	US$162.4m	-75.4%	no data
1.5%	Morgan Stanley	2,616,855	US$160.1m	46%	0.01%
1.16%	Caroline DeWitte	2,012,050	US$123.1m	-79.4%	no data
0.98%	Alyeska Investment Group, L.P.	1,709,692	US$104.6m	0%	0.25%
0.95%	UBS Asset Management AG	1,657,579	US$101.4m	16.9%	0.01%
0.68%	Charles Schwab Investment Management, Inc.	1,185,731	US$72.5m	2.19%	0.01%
0.66%	Northern Trust Global Investments	1,153,066	US$70.5m	13.1%	0.01%
0.59%	Norges Bank Investment Management	1,028,227	US$62.9m	0%	no data
0.47%	Vanguard Fiduciary Trust Company	820,630	US$50.2m	4.37%	0.01%
0.42%	The Goldman Sachs Group, Inc.	724,132	US$44.3m	13.6%	0.01%
0.38%	Susquehanna International Group, LLP	665,979	US$40.7m	636%	0.04%
0.35%	Caroline Cochran Grat	609,479	US$37.3m	-16.5%	no data
0.35%	National Bank Investments Inc.	609,164	US$37.3m	641%	0.03%
0.34%	Marex Group plc	589,864	US$36.1m	-25.2%	0.26%
0.34%	Portland Investment Counsel Inc.	589,480	US$36.1m	-5.35%	9.73%
0.34%	Hood River Capital Management LLC	589,294	US$36.0m	-11.1%	0.27%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/06/21 10:07
End of Day Share Price	2026/06/18 00:00
Earnings	2026/03/31
Annual Earnings	2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Oklo Inc. is covered by 26 analysts. 17 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Christine Cho	Barclays
Moses Sutton	BNP Paribas
Dimple Gosai	BofA Global Research