Mariner
ALT icon

Mariner’s Altimmune ALT Stock Holding History

Mariner’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 		$307K Buy
+101,123
New +$302K ﹤0.01% 2828

Other funds holding ALT

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
DTC
Deep Track Capital Greenwich, Connecticut $6.87B AUM 205.24% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
TCM
TCG Crossover Management Palo Alto, California $4.16B AUM 983.43% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return
Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.1B AUM 21.36% 1-Year Est. Return
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

Mariner's ALT Position: Q2 2026 in Review

Mariner opened a new position in Altimmune (ALT) in Q2 2026: 101,123 shares worth $307K. The stake represents ﹤0.01% of the portfolio and ranks #2828 among its holdings.

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

  • Mariner held 101,123 shares of Altimmune worth $307K as of Q2 2026.
  • Altimmune was a new Mariner position in Q2 2026.
  • Altimmune made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #2828 holding.
  • 210 funds tracked by Wall St. Rank held Altimmune as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.