AIM
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Aigen Investment Management’s Altimmune ALT Stock Holding History

Aigen Investment Management’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
2026
Q2 		$41K Buy
+13,496
New +$40.3K 0.01% 508
2023
Q3 		– Sell
-11,712
Closed -$41.3K – 804
2023
Q2 		$41.3K Buy
+11,712
New +$52.6K 0.01% 706

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Marshall Wace
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Viking Global Investors
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RCM
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Aigen Investment Management's ALT Position: Q2 2026 in Review

Aigen Investment Management opened a new position in Altimmune (ALT) in Q2 2026: 13,496 shares worth $41K. The stake represents 0.01% of the portfolio and ranks #508 among its holdings. This is a return to the name: Aigen Investment Management previously reported a position in ALT as recently as Q2 2023.

Aigen Investment Management first reported a position in ALT in Q2 2023 and has held it in 2 quarters since. The position peaked at $41.3K in Q2 2023. 210 funds tracked by Wall St. Rank hold ALT as of Q2 2026.

  • Aigen Investment Management held 13,496 shares of Altimmune worth $41K as of Q2 2026.
  • Altimmune was a new Aigen Investment Management position in Q2 2026.
  • Altimmune made up 0.01% of Aigen Investment Management's portfolio in Q2 2026, its #508 holding.
  • Aigen Investment Management first reported a position in Altimmune in Q2 2023 and has held it in 2 quarters since.
  • Aigen Investment Management's Altimmune position peaked at $41.3K in Q2 2023.
  • 210 funds tracked by Wall St. Rank held Altimmune as of Q2 2026.

Based on Aigen Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.