General American Investors’s SIGA Technologies SIGA Stock Holding History

General American Investors’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
2025 Q3	–	Sell	-539,738	Closed	-$3.52M	–	76
2025 Q2	$3.52M	Hold	539,738	–	–	0.23%	61
2025 Q1	$2.96M	Hold	539,738	–	–	0.22%	59
2024 Q4	$3.24M	Hold	539,738	–	–	0.23%	56
2024 Q3	$3.64M	Sell	539,738 -206,908	-28%	-$1.81M	0.25%	57
2024 Q2	$5.67M	Buy	746,646 +4,919	+0.7%	+$40.1K	0.39%	57
2024 Q1	$6.35M	Sell	741,727 -51,315	-6%	-$293K	0.45%	58
2023 Q4	$4.44M	Sell	793,042 -178,089	-18%	-$954K	0.35%	57
2023 Q3	$5.1M	Buy	971,131 +587,123	+153%	+$2.89M	0.46%	51
2023 Q2	$1.94M	Buy	384,008 +106,419	+38%	+$605K	0.17%	59
2023 Q1	$1.6M	Buy	277,589 +68,185	+33%	+$456K	0.15%	56
2022 Q4	$1.54M	Buy	+209,404	New	+$1.84M	0.15%	54

Other funds holding SIGA

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

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 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

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

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

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

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

JAM

Jupiter Asset Management London, United Kingdom $18.8B AUM 29.2% 1-Year Est. Return

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

General American Investors's SIGA Position: Q3 2025 in Review

General American Investors sold out of SIGA Technologies (SIGA) in Q3 2025, closing a stake of 539,738 shares — an estimated $3.52M sold.

General American Investors first reported a position in SIGA in Q4 2022 and held it in 11 quarters. The position peaked at $6.35M in Q1 2024. 197 funds tracked by Wall St. Rank hold SIGA as of Q3 2025.

General American Investors reported no remaining SIGA Technologies position as of Q3 2025 after selling out during the quarter.
General American Investors sold 539,738 SIGA Technologies shares in Q3 2025, an estimated $3.52M.
General American Investors first reported a position in SIGA Technologies in Q4 2022 and held it in 11 quarters.
General American Investors's SIGA Technologies position peaked at $6.35M in Q1 2024.
197 funds tracked by Wall St. Rank held SIGA Technologies as of Q3 2025.

Based on General American Investors's 13F filing for Q3 2025, filed 31 Oct 2025.