Janus Henderson Group
OKLO

Janus Henderson Group’s Oklo OKLO Stock Holding History

Janus Henderson Group’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 		– Sell
-3,600
Closed -$258K – 2475
2025
Q4 		$258K Sell
3,600
-41,187
-92% -$4.59M ﹤0.01% 2268
2025
Q3 		$5M Buy
44,787
+8,287
+23% +$649K ﹤0.01% 918
2025
Q2 		$2.04M Buy
36,500
+21,800
+148% +$841K ﹤0.01% 1277
2025
Q1 		$329K Hold
14,700
– – ﹤0.01% 2168
2024
Q4 		$312K Buy
+14,700
New +$285K ﹤0.01% 2235
2023
Q4 		– Sell
-813,010
Closed -$8.41M – 2615
2023
Q3 		$8.41M Sell
813,010
-494,359
-38% -$5.12M 0.01% 696
2023
Q2 		$13.6M Sell
1,307,369
-33,531
-3% -$349K 0.01% 628
2023
Q1 		$13.6M Buy
1,340,900
+59,680
+5% +$601K 0.01% 649
2022
Q4 		$12.7M Buy
+1,281,220
New +$12.6M 0.01% 665

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 $83.9B AUM 60.43% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
VanEck Associates
VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
DE
Defiance ETFs New York $7.37B 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 $1.89T AUM 35.08% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $38.9B AUM 28.51% 1-Year Est. Return

Janus Henderson Group's OKLO Position: Q1 2026 in Review

Janus Henderson Group sold out of Oklo (OKLO) in Q1 2026, closing a stake of 3,600 shares — an estimated $258K sold.

Janus Henderson Group first reported a position in OKLO in Q4 2022 and held it in 9 quarters. The position peaked at $13.6M in Q2 2023. 678 funds tracked by Wall St. Rank hold OKLO as of Q1 2026.

  • Janus Henderson Group reported no remaining Oklo position as of Q1 2026 after selling out during the quarter.
  • Janus Henderson Group sold 3,600 Oklo shares in Q1 2026, an estimated $258K.
  • Janus Henderson Group first reported a position in Oklo in Q4 2022 and held it in 9 quarters.
  • Janus Henderson Group's Oklo position peaked at $13.6M in Q2 2023.
  • 678 funds tracked by Wall St. Rank held Oklo as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.