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
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
20 Jun 25	SellUS$15,764,275	Michael Klein	Individual	250,000	US$63.53
31 Mar 25	SellUS$4,978,265	Jacob Dewitte	Individual	216,000	US$26.00
27 Mar 25	BuyUS$147,412	John Jansen	Individual	6,000	US$24.57
23 Dec 24	BuyUS$99,750	Richard Kinzley	Individual	5,000	US$19.95
20 Dec 24	SellUS$4,983,531	Jacob Dewitte	Individual	230,569	US$21.63
20 Dec 24	SellUS$4,983,531	Caroline Cochrane	Individual	230,569	US$21.63

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	2,000,000	1.35%
Individual Insiders	30,440,523	20.6%
Institutions	54,775,071	37.1%
General Public	60,393,600	40.9%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 20.9%.

Top Shareholders

Top 25 shareholders own 48.61% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
8.18%	Jacob Dewitte	12,080,098	US$1.3b	-0.21%	no data
8%	Caroline Cochrane	11,802,108	US$1.3b	20.4%	no data
5.89%	The Vanguard Group, Inc.	8,691,559	US$960.7m	98.4%	0.01%
4.96%	BlackRock, Inc.	7,317,018	US$808.7m	395%	0.01%
4.18%	Samuel Altman	6,171,902	US$682.2m	0%	no data
2.88%	Mirae Asset Global Investments Co., Ltd.	4,244,033	US$469.1m	-9.99%	0.35%
1.52%	Geode Capital Management, LLC	2,248,425	US$248.5m	196%	0.01%
1.46%	Van Eck Associates Corporation	2,158,126	US$238.5m	-22%	0.18%
1.45%	State Street Global Advisors, Inc.	2,138,658	US$236.4m	454%	0.01%
1.35%	Caroline Cochran Grat	2,000,000	US$221.1m	0%	no data
1.13%	UBS Asset Management AG	1,662,712	US$183.8m	19.3%	0.01%
1.01%	ExodusPoint Capital Management, LP	1,492,879	US$165.0m	1,100%	1.99%
0.85%	Morgan Stanley, Investment Banking and Brokerage Investments	1,257,787	US$139.0m	-35.9%	0.01%
0.8%	D. E. Shaw & Co., L.P.	1,187,223	US$131.2m	0%	0.13%
0.58%	Compound Planning	861,881	US$95.3m	-10.7%	3.33%
0.55%	Northern Trust Global Investments	813,171	US$89.9m	382%	0.01%
0.52%	Charles Schwab Investment Management, Inc.	772,185	US$85.3m	88.1%	0.01%
0.52%	Portland Investment Counsel Inc.	766,480	US$84.7m	-5.09%	19.82%
0.5%	Hood River Capital Management LLC	730,823	US$80.8m	0%	0.93%
0.44%	Ghisallo Capital Management LLC	650,000	US$71.8m	0%	2.29%
0.43%	Tidal Investments LLC	628,658	US$69.5m	101%	0.38%
0.38%	Voloridge Investment Management, LLC	567,759	US$62.8m	0%	0.22%
0.38%	Wellington Management Group LLP	556,108	US$61.5m	0%	0.01%
0.32%	Apollo Projects GP, Llc	478,500	US$52.9m	0%	no data
0.32%	LPL Financial Corporation, Asset Management Arm	476,655	US$52.7m	79.7%	0.02%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/09/29 16:31
End of Day Share Price	2025/09/29 00:00
Earnings	2025/06/30
Annual Earnings	2024/12/31

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 18 analysts. 15 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 Exane
Dimple Gosai	BofA Global Research