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 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 New York $5.72T AUM 30.48% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

AltraVue Capital Bellevue, Washington $1.16B AUM 46.45% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

FWSM

First Wilshire Securities Management Pasadena, California $444M AUM 42.88% 1-Year Est. Return

Qube Research & Technologies (QRT)'s SIGA Position: Q1 2026 in Review

Qube Research & Technologies (QRT) increased its SIGA Technologies (SIGA) stake by 152% in Q1 2026, buying an estimated $1.56M and bringing the position to 415,104 shares worth $2.22M. The position accounts for ﹤0.01% of the portfolio, ranked #2105.

Qube Research & Technologies (QRT) first reported a position in SIGA in Q4 2021 and has held it in 13 quarters since. The position peaked at $11.1M in Q3 2022. 183 funds tracked by Wall St. Rank hold SIGA as of Q1 2026.

Qube Research & Technologies (QRT) held 415,104 shares of SIGA Technologies worth $2.22M as of Q1 2026.
Qube Research & Technologies (QRT) bought 250,269 SIGA Technologies shares in Q1 2026, an estimated $1.56M.
SIGA Technologies made up ﹤0.01% of Qube Research & Technologies (QRT)'s portfolio in Q1 2026, its #2105 holding.
Qube Research & Technologies (QRT) first reported a position in SIGA Technologies in Q4 2021 and has held it in 13 quarters since.
Qube Research & Technologies (QRT)'s SIGA Technologies position peaked at $11.1M in Q3 2022.
183 funds tracked by Wall St. Rank held SIGA Technologies as of Q1 2026.

Based on Qube Research & Technologies (QRT)'s 13F filing for Q1 2026, filed 15 May 2026.