Ken Griffin
OKLO

Ken Griffin’s Oklo OKLO Stock Holding History

Ken Griffin’s Portfolio OKLO Stock Details OKLO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$12.4M Buy
249,676
+31,204
+14% +$2.24M ﹤0.01% 2947
2025
Q4 		$15.7M Buy
218,472
+96,511
+79% +$10.8M ﹤0.01% 2652
2025
Q3 		$13.6M Sell
121,961
-52,896
-30% -$4.14M ﹤0.01% 2816
2025
Q2 		$9.79M Sell
174,857
-232,576
-57% -$8.97M ﹤0.01% 3051
2025
Q1 		$8.81M Buy
407,433
+401,322
+6,567% +$13.6M ﹤0.01% 3023
2024
Q4 		$130K Sell
6,111
-25,569
-81% -$496K ﹤0.01% 11090
2024
Q3 		$256K Sell
31,680
-14,321
-31% -$108K ﹤0.01% 9624
2024
Q2 		$390K Buy
+46,001
New +$518K ﹤0.01% 8575
2023
Q3 		– Sell
-1,000,000
Closed -$10.4M – 15275
2023
Q2 		$10.4M Sell
1,000,000
-250,004
-20% -$2.6M ﹤0.01% 2620
2023
Q1 		$12.7M Sell
1,250,004
-1,249,996
-50% -$12.6M ﹤0.01% 2481
2022
Q4 		$24.8M Sell
2,500,000
-244
-0% -$2.4K 0.01% 1739
2022
Q3 		$24.4M Buy
2,500,244
+56
+0% +$544 0.01% 1680
2022
Q2 		$24.1M Sell
2,500,188
-624,622
-20% -$6.06M 0.01% 1656
2022
Q1 		$30.5M Sell
3,124,810
-35
-0% -$341 0.01% 1534
2021
Q4 		$30.8M Sell
3,124,845
-607,852
-16% -$5.99M 0.01% 1577
2021
Q3 		$36.7M Buy
+3,732,697
New +$36.8M 0.01% 1367

Other funds holding OKLO

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Mirae Asset Global ETFs Holdings
Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $73.7B AUM 53.56% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VanEck Associates
VanEck Associates New York $133B AUM 72.99% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
DE
Defiance ETFs New York $6.98B AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return

Ken Griffin's OKLO Position: Q1 2026 in Review

Ken Griffin increased its Oklo (OKLO) stake by 14% in Q1 2026, buying an estimated $2.24M and bringing the position to 249,676 shares worth $12.4M. The position accounts for ﹤0.01% of the portfolio, ranked #2947.

Ken Griffin first reported a position in OKLO in Q3 2021 and has held it in 16 quarters since. The position peaked at $36.7M in Q3 2021. 676 funds tracked by Wall St. Rank hold OKLO as of Q1 2026.

  • Ken Griffin held 249,676 shares of Oklo worth $12.4M as of Q1 2026.
  • Ken Griffin bought 31,204 Oklo shares in Q1 2026, an estimated $2.24M.
  • Oklo made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #2947 holding.
  • Ken Griffin first reported a position in Oklo in Q3 2021 and has held it in 16 quarters since.
  • Ken Griffin's Oklo position peaked at $36.7M in Q3 2021.
  • 676 funds tracked by Wall St. Rank held Oklo as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.