$OKLO

$25.94 -$0.41 (1.56%) Close

$OKLO Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 186.0M shares outstanding

Who owns OKLO?

By type of holder

Institutions 43.5% Insiders 0.0% Everyone else 56.5%

Concentration Top 10 holders own 38.9%

Jacob DeWitte 11.1% · BlackRock, Inc. 3.9%

Institutional ownership

43.5%

-4.5 pts vs last qtr

Institutional holders

668

-10 vs last qtr

Net shares bought

−8.3M

by institutions in Q2 2026

New / sold out

125 / 135

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Van Eck Associates Corp +1.8M
Norges Bank NEW +1.8M

Biggest sellers in Q2 2026

BlackRock, Inc. −8.6M
Defiance ETFs, LLC −3.5M

Who is planning to sell?

Notices of proposed sale, last 12 months

$330M

52 notices from 12 people

Shares covered

4.4M

2.38% of the company

Arranged in advance

92%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Jacob DeWitte Ceo / director / 10% shareholder 10b5-1 $147M
Caroline Cochran Coo / director / 10% shareholder 10b5-1 $147M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2023–FY2025

+112.4%

+45.75% a year

Each share's claim on the business

−52.9%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$216M vs $55.1M

over 3 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years3% 1–3 years81% Under 1 year16%

Quarterly turnover

22.6%

of institutional shares changed hands

Top 10 managers, median time held

2 years

Super Investors

Investment managers reporting OKLO on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	7.3M	3.93%	−8.6M (−54.0%)	2024	0.0%
Shares held by quarter Peak holding15.9M (Q1'26) Change over 8 quarters+6.0M Share of the company3.930% BlackRock, Inc.'s full portfolio →
MA MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	8.9M	4.80%	+79.3K (+0.9%)	2024	0.6%
Shares held by quarter Peak holding8.9M (Q2'26) Change over 8 quarters+4.1M Share of the company4.800% MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.'s full portfolio →

BlackRock, Inc.

7.3M

% of company

3.93%

Change vs last qtr

−8.6M (−54.0%)

Held since

2024

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.

8.9M

% of company

4.80%

Change vs last qtr

+79.3K (+0.9%)

Held since

2024

28 more super investors behind a free account

See every manager holding Oklo Inc., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting OKLO on Form N-PORT; together they hold 24.7% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IM iShares MSCI USA Quality Factor ETF iShares Trust	$353M	4.9M	2.62%	0.71%	April 30, 2026
GX Global X Uranium ETF Global X Funds	$331M	8.5M	4.59%	6.09%	July 31, 2026

iShares MSCI USA Quality Factor ETF

iShares Trust

Position value

$353M

% of company

2.62%

% of the fund

0.71%

As of

April 30, 2026

Global X Uranium ETF

Global X Funds

Position value

$331M

% of company

4.59%

% of the fund

6.09%

As of

July 31, 2026

23 more funds behind a free account

See every fund holding Oklo Inc. and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
JD Jacob DeWitte 5%+ holder 13D · 11.1%	20.6M	11.05%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company11.050% Disclosed stake13D · 11.1% View the 13D/G filing →
SH Samuel H. Altman 5%+ holder 13D · 4.8%	6.7M	3.58%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company3.580% Disclosed stake13D · 4.8% View the 13D/G filing →

Jacob DeWitte

5%+ holder13D · 11.1%

20.6M

% of company

11.05%

Change vs last qtr

—

Held since

—

Samuel H. Altman

5%+ holder13D · 4.8%

6.7M

% of company

3.58%

Change vs last qtr

—

Held since

—

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