Janus Henderson Group
ALT icon

Janus Henderson Group’s Altimmune ALT Stock Holding History

Janus Henderson Group’s Portfolio ALT Stock Details ALT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-32,000
Closed -$170K – 2405
2025
Q1 		$170K Hold
32,000
– – ﹤0.01% 2403
2024
Q4 		$231K Hold
32,000
– – ﹤0.01% 2367
2024
Q3 		$197K Hold
32,000
– – ﹤0.01% 2435
2024
Q2 		$212K Buy
+32,000
New +$236K ﹤0.01% 2368
2023
Q2 		– Sell
-23,986
Closed -$101K – 2595
2023
Q1 		$101K Sell
23,986
-3,809,593
-99% -$45.3M ﹤0.01% 2615
2022
Q4 		$63.1M Sell
3,833,579
-288,235
-7% -$3.24M 0.05% 324
2022
Q3 		$52.6M Buy
+4,121,814
New +$60.9M 0.04% 350

Other funds holding ALT

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
TCM
Tang Capital Management San Diego, California $2.2B AUM 156.35% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
KCM
Knoll Capital Management Miami, Florida $179M AUM 63.61% 1-Year Est. Return
CM
Caption Management Oklahoma City, Oklahoma $21.5B AUM 81.81% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $69.6B AUM 42.52% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Janus Henderson Group's ALT Position: Q2 2025 in Review

Janus Henderson Group sold out of Altimmune (ALT) in Q2 2025, closing a stake of 32,000 shares — an estimated $170K sold.

Janus Henderson Group first reported a position in ALT in Q3 2022 and held it in 7 quarters. The position peaked at $63.1M in Q4 2022. 180 funds tracked by Wall St. Rank hold ALT as of Q2 2025.

  • Janus Henderson Group reported no remaining Altimmune position as of Q2 2025 after selling out during the quarter.
  • Janus Henderson Group sold 32,000 Altimmune shares in Q2 2025, an estimated $170K.
  • Janus Henderson Group first reported a position in Altimmune in Q3 2022 and held it in 7 quarters.
  • Janus Henderson Group's Altimmune position peaked at $63.1M in Q4 2022.
  • 180 funds tracked by Wall St. Rank held Altimmune as of Q2 2025.

Based on Janus Henderson Group's 13F filing for Q2 2025, filed 14 Aug 2025.