Qube Research & Technologies (QRT)
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Qube Research & Technologies (QRT)’s SIGA Technologies SIGA Stock Holding History

Qube Research & Technologies (QRT)’s Portfolio SIGA Stock Details SIGA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$2.7M Buy
740,910
+325,806
+78% +$1.46M ﹤0.01% 1991
2026
Q1 		$2.22M Buy
415,104
+250,269
+152% +$1.56M ﹤0.01% 2105
2025
Q4 		$1.01M Buy
164,835
+118,646
+257% +$844K ﹤0.01% 2550
2025
Q3 		$423K Buy
+46,189
New +$369K ﹤0.01% 2757
2024
Q3 		– Sell
-135,284
Closed -$1.03M – 4023
2024
Q2 		$1.03M Buy
135,284
+73,897
+120% +$602K ﹤0.01% 1878
2024
Q1 		$525K Buy
61,387
+14,470
+31% +$82.6K ﹤0.01% 2512
2023
Q4 		$263K Sell
46,917
-25,713
-35% -$138K ﹤0.01% 2653
2023
Q3 		$381K Sell
72,630
-94,520
-57% -$466K ﹤0.01% 2142
2023
Q2 		$844K Sell
167,150
-97,636
-37% -$555K ﹤0.01% 1366
2023
Q1 		$1.52M Sell
264,786
-402,419
-60% -$2.69M 0.01% 1127
2022
Q4 		$4.91M Sell
667,205
-410,463
-38% -$3.6M 0.03% 673
2022
Q3 		$11.1M Buy
1,077,668
+1,048,721
+3,623% +$16.9M 0.07% 380
2022
Q2 		$335K Buy
+28,947
New +$261K ﹤0.01% 1552
2022
Q1 		– Sell
-10,887
Closed -$82K – 2950
2021
Q4 		$82K Buy
+10,887
New +$82.9K ﹤0.01% 2180

Other funds holding SIGA

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
AC
AltraVue Capital Bellevue, Washington $1.39B AUM 53.77% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
FWSM
First Wilshire Securities Management Pasadena, California $486M AUM 50.29% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Qube Research & Technologies (QRT)'s SIGA Position: Q2 2026 in Review

Qube Research & Technologies (QRT) increased its SIGA Technologies (SIGA) stake by 78% in Q2 2026, buying an estimated $1.46M and bringing the position to 740,910 shares worth $2.7M. The position accounts for ﹤0.01% of the portfolio, ranked #1991.

Qube Research & Technologies (QRT) first reported a position in SIGA in Q4 2021 and has held it in 14 quarters since. The position peaked at $11.1M in Q3 2022. 161 funds tracked by Wall St. Rank hold SIGA as of Q2 2026.

  • Qube Research & Technologies (QRT) held 740,910 shares of SIGA Technologies worth $2.7M as of Q2 2026.
  • Qube Research & Technologies (QRT) bought 325,806 SIGA Technologies shares in Q2 2026, an estimated $1.46M.
  • SIGA Technologies made up ﹤0.01% of Qube Research & Technologies (QRT)'s portfolio in Q2 2026, its #1991 holding.
  • Qube Research & Technologies (QRT) first reported a position in SIGA Technologies in Q4 2021 and has held it in 14 quarters since.
  • Qube Research & Technologies (QRT)'s SIGA Technologies position peaked at $11.1M in Q3 2022.
  • 161 funds tracked by Wall St. Rank held SIGA Technologies as of Q2 2026.

Based on Qube Research & Technologies (QRT)'s 13F filing for Q2 2026, filed 14 Aug 2026.