Jim Simons’s Oklo OKLO Stock Holding History

Jim Simons’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
2025 Q4	–	Sell	-267,600	Closed	-$29.9M	–	3859
2025 Q3	$29.9M	Buy	+267,600	New	+$21M	0.04%	557
2025 Q2	–	Sell	-1,096,400	Closed	-$23.7M	–	3971
2025 Q1	$23.7M	Buy	1,096,400 +672,100	+158%	+$22.7M	0.04%	597
2024 Q4	$9.01M	Buy	+424,300	New	+$8.22M	0.01%	1081

Other funds holding OKLO

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $73.7B AUM 53.56% 1-Year Est. Return

VanEck Associates New York $133B AUM 72.99% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

Jim Simons's OKLO Position: Q4 2025 in Review

Jim Simons sold out of Oklo (OKLO) in Q4 2025, closing a stake of 267,600 shares — an estimated $29.9M sold.

Jim Simons first reported a position in OKLO in Q4 2024 and held it in 3 quarters. The position peaked at $29.9M in Q3 2025. 682 funds tracked by Wall St. Rank hold OKLO as of Q4 2025.

Jim Simons reported no remaining Oklo position as of Q4 2025 after selling out during the quarter.
Jim Simons sold 267,600 Oklo shares in Q4 2025, an estimated $29.9M.
Jim Simons first reported a position in Oklo in Q4 2024 and held it in 3 quarters.
Jim Simons's Oklo position peaked at $29.9M in Q3 2025.
682 funds tracked by Wall St. Rank held Oklo as of Q4 2025.

Based on Renaissance Technologies's 13F filing for Q4 2025, filed 12 Feb 2026.