Jane Street
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Jane Street’s Armata Pharmaceuticals ARMP Stock Holding History

Jane Street’s Portfolio ARMP Stock Details ARMP Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-27,998
Closed -$287K – 11487
2026
Q1 		$287K Buy
27,998
+10,845
+63% +$91.3K ﹤0.01% 9327
2025
Q4 		$108K Buy
+17,153
New +$94K ﹤0.01% 10150
2023
Q1 		– Sell
-20,024
Closed -$24.8K – 8977
2022
Q4 		$24.8K Buy
+20,024
New +$52.1K ﹤0.01% 8553

Other funds holding ARMP

MAM
Madison Asset Management Madison, Wisconsin $8.39B AUM 16.36% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
DIG
Dauntless Investment Group Etna, New Hampshire $127M AUM 42.43% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Edgewood Management
Edgewood Management Greenwich, Connecticut $9.69B AUM 6.52% 1-Year Est. Return

Jane Street's ARMP Position: Q2 2026 in Review

Jane Street sold out of Armata Pharmaceuticals (ARMP) in Q2 2026, closing a stake of 27,998 shares — an estimated $287K sold.

Jane Street first reported a position in ARMP in Q4 2022 and held it in 3 quarters. The position peaked at $287K in Q1 2026. 53 funds tracked by Wall St. Rank hold ARMP as of Q2 2026.

  • Jane Street reported no remaining Armata Pharmaceuticals position as of Q2 2026 after selling out during the quarter.
  • Jane Street sold 27,998 Armata Pharmaceuticals shares in Q2 2026, an estimated $287K.
  • Jane Street first reported a position in Armata Pharmaceuticals in Q4 2022 and held it in 3 quarters.
  • Jane Street's Armata Pharmaceuticals position peaked at $287K in Q1 2026.
  • 53 funds tracked by Wall St. Rank held Armata Pharmaceuticals as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.