How many institutional investors hold OKLO?

6 tracked institutional investors disclosed a position in OKLO (OKLO INC) in their most recent 13F filing.

Who is the largest institutional holder of OKLO?

Ken Griffin, Citadel Advisors, holds the largest disclosed position in OKLO, valued at $507M.

Where does this OKLO ownership data come from?

SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.

OKLO — OKLO INC

Name: OKLO INC (OKLO) — Institutional Ownership
Creator: InvestorLens
License: https://www.sec.gov/about/website-policies

Public company

For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

About OKLO INC (OKLO)

OKLO INC (OKLO) appears in the most recent 13F filings of 6 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $507M. Across recent filings, tracked investors recorded 3 new positions, 4 increased, 0 reduced, and 0 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in OKLO

100

/100

Strong Institutional Accumulation

Added / Increased7

Reduced0

Exited0

BearishBullish

Crowded Trade Score™

How many top investors track OKLO

/100

Moderate Interest

6investors

Several tracked investors have exposure.

UndiscoveredCrowded

151015+

OKLO Ownership Composition

How OKLO INC is held across tracked investor types, based on reported 13F positions.

Dominant Type

Other

90% of tracked value

Institutions

tracked investors

Total Reported

$307.3M

combined 13F value

Other90.2%
Growth Funds5.7%
Hedge Funds4.2%

Other(3)

90.2%

Growth Funds(1)

5.7%

Hedge Funds(2)

4.2%

Tracked investors reporting OKLO

Investor	Firm	Shares	Market value	% of portfolio	As of
Ken Griffin	Citadel Advisors	5.4M	$270.1M	0.04%	Mar 31, 2026
Steve Cohen	Point72 Asset Management	211.2K	$10.5M	0.01%	Mar 31, 2026
Cathie Wood	ARK Investment Management	351.2K	$17.4M	0.14%	Mar 31, 2026
Izzy Englander	Millennium Management	87.3K	$4.3M	0.00%	Mar 31, 2026
Ray Dalio	Bridgewater Associates	55K	$2.7M	0.01%	Mar 31, 2026
George Soros	Soros Fund Management	32.1K	$2.3M	0.03%	Dec 31, 2025

Ken GriffinMar 31, 2026
Citadel Advisors
Shares
5.4M
Value
$270.1M
% Portfolio
0.04%
Steve CohenMar 31, 2026
Point72 Asset Management
Shares
211.2K
Value
$10.5M
% Portfolio
0.01%
Cathie WoodMar 31, 2026
ARK Investment Management
Shares
351.2K
Value
$17.4M
% Portfolio
0.14%
Izzy EnglanderMar 31, 2026
Millennium Management
Shares
87.3K
Value
$4.3M
% Portfolio
0.00%
Ray DalioMar 31, 2026
Bridgewater Associates
Shares
55K
Value
$2.7M
% Portfolio
0.01%
George SorosDec 31, 2025
Soros Fund Management
Shares
32.1K
Value
$2.3M
% Portfolio
0.03%

Recent activity

Investor	Action	Δ %	Current value	Filing date
George Soros	New	—	$2.3M	Feb 13, 2026
Ray Dalio	Increased	17.34%	$2.7M	May 15, 2026
Cathie Wood	Increased	57.44%	$17.4M	May 12, 2026
Ray Dalio	Increased	83.00%	$3.4M	Feb 13, 2026
Cathie Wood	Increased	42.54%	$16M	Feb 11, 2026
Ray Dalio	New	—	$2.9K	Nov 13, 2025
Cathie Wood	New	—	$17.5K	Nov 12, 2025

George Soros
New
$2.3MFeb 13, 2026
Ray Dalio
Increased
$2.7M(17.34%)May 15, 2026
Cathie Wood
Increased
$17.4M(57.44%)May 12, 2026
Ray Dalio
Increased
$3.4M(83.00%)Feb 13, 2026
Cathie Wood
Increased
$16M(42.54%)Feb 11, 2026
Ray Dalio
New
$2.9KNov 13, 2025
Cathie Wood
New
$17.5KNov 12, 2025

Frequently asked questions

How many institutional investors hold OKLO?: 6 tracked institutional investors disclosed a position in OKLO (OKLO INC) in their most recent 13F filing.
Who is the largest institutional holder of OKLO?: Ken Griffin, Citadel Advisors, holds the largest disclosed position in OKLO, valued at $507M.
Did institutional ownership of OKLO increase or decrease?: Across recent 13F filings, tracked investors recorded 3 new positions, 4 increased, 0 reduced, and 0 fully exited OKLO.
Where does this OKLO ownership data come from?: SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.