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
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 $8.06B AUM 11.81% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
6CM
683 Capital Management New York $1.92B AUM 85.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Edgewood Management
Edgewood Management Greenwich, Connecticut $15.5B AUM 9.67% 1-Year Est. Return
DIG
Dauntless Investment Group Etna, New Hampshire $151M AUM 76.14% 1-Year Est. Return
SEI Investments
SEI Investments Oaks, Pennsylvania $108B AUM 26.14% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Jane Street's ARMP Position: Q1 2026 in Review

Jane Street increased its Armata Pharmaceuticals (ARMP) stake by 63% in Q1 2026, buying an estimated $91.3K and bringing the position to 27,998 shares worth $287K. The position accounts for ﹤0.01% of the portfolio, ranked #9327.

Jane Street first reported a position in ARMP in Q4 2022 and has held it in 3 quarters since. 45 funds tracked by Wall St. Rank hold ARMP as of Q1 2026.

  • Jane Street held 27,998 shares of Armata Pharmaceuticals worth $287K as of Q1 2026.
  • Jane Street bought 10,845 Armata Pharmaceuticals shares in Q1 2026, an estimated $91.3K.
  • Armata Pharmaceuticals made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #9327 holding.
  • Jane Street first reported a position in Armata Pharmaceuticals in Q4 2022 and has held it in 3 quarters since.
  • 45 funds tracked by Wall St. Rank held Armata Pharmaceuticals as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.