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Mangrove Partners’s Altimmune ALT Stock Holding History

Mangrove Partners’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 		$727K Hold
239,280
– – 0.05% 162
2026
Q1 		$737K Buy
+239,280
New +$1.02M 0.06% 134

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Vanguard Capital Management
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Vanguard Portfolio Management
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Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return
Viking Global Investors
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RCM
RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Mangrove Partners's ALT Position: Q2 2026 in Review

Mangrove Partners held its Altimmune (ALT) position steady in Q2 2026 at 239,280 shares worth $727K. The position accounts for 0.05% of the portfolio, ranked #162.

Mangrove Partners first reported a position in ALT in Q1 2026 and has held it in 2 quarters since. The position peaked at $737K in Q1 2026. 210 funds tracked by Wall St. Rank hold ALT as of Q2 2026.

  • Mangrove Partners held 239,280 shares of Altimmune worth $727K as of Q2 2026.
  • Mangrove Partners left its Altimmune share count unchanged in Q2 2026.
  • Altimmune made up 0.05% of Mangrove Partners's portfolio in Q2 2026, its #162 holding.
  • Mangrove Partners first reported a position in Altimmune in Q1 2026 and has held it in 2 quarters since.
  • Mangrove Partners's Altimmune position peaked at $737K in Q1 2026.
  • 210 funds tracked by Wall St. Rank held Altimmune as of Q2 2026.

Based on Mangrove Partners's 13F filing for Q2 2026, filed 14 Aug 2026.