Simplex Trading
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Simplex Trading’s Armata Pharmaceuticals ARMP Stock Holding History

Simplex Trading’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 		$10.4K Buy
+1,600
New +$14.7K ﹤0.01% 7669
2023
Q3 		– Sell
-4,300
Closed -$4K – 8604
2023
Q2 		$4K Buy
4,300
+3,300
+330% +$4.8K ﹤0.01% 8001
2023
Q1 		$1K Hold
1,000
– – ﹤0.01% 8637
2022
Q4 		$1K Buy
+1,000
New +$2.6K ﹤0.01% 8747

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

Simplex Trading's ARMP Position: Q2 2026 in Review

Simplex Trading opened a new position in Armata Pharmaceuticals (ARMP) in Q2 2026: 794 shares worth $5.14K. The stake represents ﹤0.01% of the portfolio and ranks #8152 among its holdings. This is a return to the name: Simplex Trading previously reported a position in ARMP as recently as Q2 2023.

Simplex Trading first reported a position in ARMP in Q1 2023 and has held it in 3 quarters since. 53 funds tracked by Wall St. Rank hold ARMP as of Q2 2026.

  • Simplex Trading held 794 shares of Armata Pharmaceuticals worth $5.14K as of Q2 2026.
  • Armata Pharmaceuticals was a new Simplex Trading position in Q2 2026.
  • Armata Pharmaceuticals made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #8152 holding.
  • Simplex Trading first reported a position in Armata Pharmaceuticals in Q1 2023 and has held it in 3 quarters since.
  • 53 funds tracked by Wall St. Rank held Armata Pharmaceuticals as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.