RCM
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RA Capital Management’s Altimmune ALT Stock Holding History

RA Capital 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 		$19.8M Buy
+6,500,000
New +$19.4M 0.17% 62

Other funds holding ALT

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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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
WP
Woodline Partners San Francisco, California $32.4B AUM 58.5% 1-Year Est. Return
TECP
Trails Edge Capital Partners Atlanta, Georgia $630M AUM

RA Capital Management's ALT Position: Q2 2026 in Review

RA Capital Management opened a new position in Altimmune (ALT) in Q2 2026: 6,500,000 shares worth $19.8M. The stake represents 0.17% of the portfolio and ranks #62 among its holdings.

195 funds tracked by Wall St. Rank hold ALT as of Q2 2026.

  • RA Capital Management held 6,500,000 shares of Altimmune worth $19.8M as of Q2 2026.
  • Altimmune was a new RA Capital Management position in Q2 2026.
  • Altimmune made up 0.17% of RA Capital Management's portfolio in Q2 2026, its #62 holding.
  • 195 funds tracked by Wall St. Rank held Altimmune as of Q2 2026.

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