JY
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Jeff Yass’s Armata Pharmaceuticals ARMP Stock Holding History

Jeff Yass’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
2025
Q1 		– Sell
-10,300
Closed -$19.1K – 12420
2024
Q4 		$19.1K Hold
10,300
– – ﹤0.01% 11914
2024
Q3 		$24.4K Sell
10,300
-39,400
-79% -$101K ﹤0.01% 11585
2024
Q2 		$137K Buy
+49,700
New +$142K ﹤0.01% 10791

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

Jeff Yass's ARMP Position: Q2 2026 in Review

Jeff Yass sold out of Armata Pharmaceuticals (ARMP) in Q2 2026, closing a stake of 64,759 shares — an estimated $663K sold.

Jeff Yass first reported a position in ARMP in Q1 2017 and held it in 13 quarters. The position peaked at $663K in Q1 2026. 53 funds tracked by Wall St. Rank hold ARMP as of Q2 2026.

  • Jeff Yass reported no remaining Armata Pharmaceuticals position as of Q2 2026 after selling out during the quarter.
  • Jeff Yass sold 64,759 Armata Pharmaceuticals shares in Q2 2026, an estimated $663K.
  • Jeff Yass first reported a position in Armata Pharmaceuticals in Q1 2017 and held it in 13 quarters.
  • Jeff Yass's Armata Pharmaceuticals position peaked at $663K in Q1 2026.
  • 53 funds tracked by Wall St. Rank held Armata Pharmaceuticals as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.