Quadrant Capital Group’s SIGA Technologies SIGA Stock Holding History

Quadrant Capital Group’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	$17.3K	Sell	3,240 -771	-19%	-$4.81K	﹤0.01%	2044
2025 Q4	$24.5K	Hold	4,011	–	–	﹤0.01%	1927
2025 Q3	$36.7K	Buy	+4,011	New	+$32.1K	﹤0.01%	1768
2025 Q2	–	Sell	-4,196	Closed	-$23K	–	2406
2025 Q1	$23K	Sell	4,196 -153	-4%	-$906	﹤0.01%	1997
2024 Q4	$26.1K	Hold	4,349	–	–	﹤0.01%	1759
2024 Q3	$29.4K	Hold	4,349	–	–	﹤0.01%	1734
2024 Q2	$33K	Hold	4,349	–	–	﹤0.01%	1621
2024 Q1	$37.2K	Sell	4,349 -1,568	-26%	-$8.95K	﹤0.01%	1554
2023 Q4	$33.1K	Sell	5,917 -74	-1%	-$396	﹤0.01%	1582
2023 Q3	$31.5K	Buy	5,991 +4,728	+374%	+$23.3K	﹤0.01%	1494
2023 Q2	$6.38K	Buy	1,263 +619	+96%	+$3.52K	﹤0.01%	2152
2023 Q1	$3.7K	Buy	+644	New	+$4.3K	﹤0.01%	2297
2022 Q1	–	Sell	-187	Closed	-$1K	–	2676
2021 Q4	$1K	Sell	187 -283	-60%	-$2.16K	﹤0.01%	2398
2021 Q3	$3K	Buy	+470	New	+$3.01K	﹤0.01%	2064

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

Quadrant Capital Group's SIGA Position: Q1 2026 in Review

Quadrant Capital Group reduced its SIGA Technologies (SIGA) stake by 19% in Q1 2026, selling an estimated $4.81K and leaving 3,240 shares worth $17.3K. The position accounts for ﹤0.01% of the portfolio, ranked #2044.

Quadrant Capital Group first reported a position in SIGA in Q3 2021 and has held it in 14 quarters since. The position peaked at $37.2K in Q1 2024. 183 funds tracked by Wall St. Rank hold SIGA as of Q1 2026.

Quadrant Capital Group held 3,240 shares of SIGA Technologies worth $17.3K as of Q1 2026.
Quadrant Capital Group sold 771 SIGA Technologies shares in Q1 2026, an estimated $4.81K.
SIGA Technologies made up ﹤0.01% of Quadrant Capital Group's portfolio in Q1 2026, its #2044 holding.
Quadrant Capital Group first reported a position in SIGA Technologies in Q3 2021 and has held it in 14 quarters since.
Quadrant Capital Group's SIGA Technologies position peaked at $37.2K in Q1 2024.
183 funds tracked by Wall St. Rank held SIGA Technologies as of Q1 2026.

Based on Quadrant Capital Group's 13F filing for Q1 2026, filed 11 May 2026.