Hudson Bay Capital Management
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Hudson Bay Capital Management’s Armata Pharmaceuticals ARMP Stock Holding History

Hudson Bay Capital Management’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 		$180K Buy
+17,584
New +$148K ﹤0.01% 1117
2016
Q3 		– Sell
-1,704
Closed -$370K – 433
2016
Q2 		$370K Buy
+1,704
New +$588K 0.01% 319

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

Hudson Bay Capital Management's ARMP Position: Q1 2026 in Review

Hudson Bay Capital Management opened a new position in Armata Pharmaceuticals (ARMP) in Q1 2026: 17,584 shares worth $180K. The stake represents ﹤0.01% of the portfolio and ranks #1117 among its holdings. This is a return to the name: Hudson Bay Capital Management previously reported a position in ARMP as recently as Q2 2016.

Hudson Bay Capital Management first reported a position in ARMP in Q2 2016 and has held it in 2 quarters since. The position peaked at $370K in Q2 2016. 45 funds tracked by Wall St. Rank hold ARMP as of Q1 2026.

  • Hudson Bay Capital Management held 17,584 shares of Armata Pharmaceuticals worth $180K as of Q1 2026.
  • Armata Pharmaceuticals was a new Hudson Bay Capital Management position in Q1 2026.
  • Armata Pharmaceuticals made up ﹤0.01% of Hudson Bay Capital Management's portfolio in Q1 2026, its #1117 holding.
  • Hudson Bay Capital Management first reported a position in Armata Pharmaceuticals in Q2 2016 and has held it in 2 quarters since.
  • Hudson Bay Capital Management's Armata Pharmaceuticals position peaked at $370K in Q2 2016.
  • 45 funds tracked by Wall St. Rank held Armata Pharmaceuticals as of Q1 2026.

Based on Hudson Bay Capital Management's 13F filing for Q1 2026, filed 13 May 2026.