Jane Street
OKLO

Jane Street’s Oklo OKLO Stock Holding History

Jane Street’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 		$244M Buy
4,911,100
+490,200
+11% +$35.2M 0.03% 340
2025
Q4 		$317M Sell
4,420,900
-827,500
-16% -$92.3M 0.05% 256
2025
Q3 		$586M Buy
5,248,400
+3,846,900
+274% +$301M 0.09% 145
2025
Q2 		$78.5M Buy
1,401,500
+232,700
+20% +$8.97M 0.02% 551
2025
Q1 		$25.3M Buy
1,168,800
+152,000
+15% +$5.14M 0.01% 1118
2024
Q4 		$21.6M Buy
1,016,800
+830,900
+447% +$16.1M ﹤0.01% 1199
2024
Q3 		$1.5M Sell
185,900
-258,600
-58% -$1.95M ﹤0.01% 5045
2024
Q2 		$3.76M Buy
+444,500
New +$5M ﹤0.01% 3418

Other funds holding OKLO

BlackRock
BlackRock New York $5.72T AUM 30.48% 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 $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 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

Jane Street's OKLO Position: Q1 2026 in Review

Jane Street opened a new position in Oklo (OKLO) in Q1 2026: 533,000 shares worth $26.4M. The stake represents ﹤0.01% of the portfolio and ranks #1540 among its holdings. This is a return to the name: Jane Street previously reported a position in OKLO as recently as Q1 2025.

Jane Street first reported a position in OKLO in Q3 2021 and has held it in 14 quarters since. 675 funds tracked by Wall St. Rank hold OKLO as of Q1 2026.

  • Jane Street held 533,000 shares of Oklo worth $26.4M as of Q1 2026.
  • Oklo was a new Jane Street position in Q1 2026.
  • Oklo made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #1540 holding.
  • Jane Street first reported a position in Oklo in Q3 2021 and has held it in 14 quarters since.
  • 675 funds tracked by Wall St. Rank held Oklo as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.