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OKLO

Oklo
OKLO

666 hedge funds and large institutions have $4.28B invested in Oklo in 2026 Q2 according to their latest regulatory filings, with 124 funds opening new positions, 257 increasing their positions, 173 reducing their positions, and 122 closing their positions.

New
Increased
Maintained
Reduced
Closed

49% more repeat investments, than reductions

Existing positions increased: 257 | Existing positions reduced: 173

35% more call options, than puts

Call options by funds: $1.34B | Put options by funds: $993M

2% more first-time investments, than exits

New positions opened: 124 | Existing positions closed: 122

0% more funds holding in top 10

Funds holding in top 10: 4 → 4 (0)

3% less capital invested

Capital invested by funds: $4.43B → $4.28B (-$147M)

2% less funds holding

Funds holding: 677 → 666 (-11)

4.6% less ownership

Funds ownership: 51.43% → 46.83% (-4.6%)

Holders
666
Holders Change
-11
Holders Change %
-1.62%
% of All Funds
8.04%
Holding in Top 10
4
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.05%
New
124
Increased
257
Reduced
173
Closed
122
Calls
$1.34B
Puts
$993M
Net Calls
+$348M
Net Calls Change
+$55.9M

Top Buyers

Rank Fund Capital Flow
1
VanEck Associates
VanEck Associates
New York
+$114M
2
Marshall Wace
Marshall Wace
United Kingdom
+$66.6M
3
UBS Group
UBS Group
Switzerland
+$55.5M
4
CS
Clear Street
New York
+$51.8M
5
Jane Street
Jane Street
New York
+$45.9M

Top Sellers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
-$536M
2
DE
Defiance ETFs
New York
-$219M
3
Alyeska Investment Group
Alyeska Investment Group
Illinois
-$84.8M
4
State Street
State Street
Massachusetts
-$59.2M
5
Geode Capital Management
Geode Capital Management
Massachusetts
-$43M
Name Holding Trade Value Shares
Change 		Change in
Stake
WC
676
Westerkirk Capital
– -$2.94M -59,200 Closed
Wellington Management Group
677
Wellington Management Group
Massachusetts
– -$2.81M -56,646 Closed
ACM
678
Arlington Capital Management
Illinois
– -$2.45M -49,490 Closed
Nomura Asset Management
679
Nomura Asset Management
Japan
– -$2.17M -43,842 Closed
DB
680
Danske Bank
Denmark
– -$2.15M -43,400 Closed
TAF
681
Tredje AP-fonden
Sweden
– -$2.12M -42,739 Closed
Parallax Volatility Advisers
682
Parallax Volatility Advisers
California
– -$2.61M -41,870 Closed
BAM
683
BLKBRD Asset Management
Connecticut
– -$1.82M -36,650 Closed
RAM
684
Resona Asset Management
Japan
– -$1.66M -33,936 Closed
SAM
685
Scopus Asset Management
New York
– -$1.49M -30,000 Closed
IIM
686
INTECH Investment Management
Florida
– -$1.44M -29,074 Closed
SOMRS
687
State of Michigan Retirement System
Michigan
– -$1.36M -27,500 Closed
T. Rowe Price Investment Management
688
T. Rowe Price Investment Management
Maryland
– -$1.31M -26,445 Closed
Daiwa Securities Group
689
Daiwa Securities Group
Japan
– -$1.21M -24,383 Closed
OE
690
October Effect
Virginia
– -$1.19M -23,988 Closed
SRL
691
Scientech Research LLC
New Jersey
– -$1.18M -23,699 Closed
SAM
692
SEB Asset Management
– -$1.13M -22,769 Closed
II
693
IFM Investors
Australia
– -$1.1M -22,109 Closed
TSS
694
Two Sigma Securities
New York
– -$1.03M -20,832 Closed
BFM
695
Boothbay Fund Management
New York
– -$1.28M -20,472 Closed
PIA
696
Prakash Investment Advisors
Massachusetts
– -$991K -19,980 Closed
Principal Financial Group
697
Principal Financial Group
Iowa
– -$958K -19,309 Closed
ProShare Advisors
698
ProShare Advisors
Maryland
– -$878K -17,699 Closed
XT
699
XTX Topco
Cayman Islands
– -$810K -16,326 Closed
BCIM
700
British Columbia Investment Management
British Columbia, Canada
– -$757K -15,257 Closed
26 27
28
29 30

OKLO Hedge Fund Activity: Q2 2026 in Review

666 of the 8,279 institutional investors tracked by Wall St. Rank reported a position in Oklo (OKLO) for Q2 2026, worth a combined $4.28B — down 3.3% from $4.43B a quarter earlier.

Buyers outnumbered sellers: 124 funds opened new OKLO positions and 122 closed out — a net gain of 2 holders — while 257 added to existing stakes and 173 trimmed.

The largest buyer was VanEck Associates, adding an estimated $114M. The largest seller was BlackRock, cutting an estimated $536M.

  • 666 institutional investors held Oklo (OKLO) as of Q2 2026, down from 677 in Q1 2026.
  • Funds reported $4.28B of Oklo stock for Q2 2026, down 3.3% quarter-over-quarter.
  • 124 funds opened new Oklo positions in Q2 2026 and 122 closed out, a net change of +2 holders.
  • The largest Oklo buyer in Q2 2026 was VanEck Associates, an estimated $114M added.
  • The largest Oklo seller in Q2 2026 was BlackRock, an estimated $536M sold.

Based on aggregated 13F filings for Q2 2026.