SummerHaven Investment Management’s SIGA Technologies SIGA Stock Holding History

SummerHaven Investment Management’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	$368K	Hold	101,025	–	–	0.2%	183
2026 Q1	$540K	Sell	101,025 -21,684	-18%	-$135K	0.33%	162
2025 Q4	$750K	Hold	122,709	–	–	0.43%	150
2025 Q3	$1.12M	Buy	122,709 +24,184	+25%	+$193K	0.65%	15
2025 Q2	$642K	Buy	98,525 +2,317	+2%	+$13.9K	0.42%	128
2025 Q1	$527K	Buy	96,208 +2,404	+3%	+$14.2K	0.37%	160
2024 Q4	$564K	Hold	93,804	–	–	0.35%	172
2024 Q3	$633K	Buy	+93,804	New	+$819K	0.39%	181
2023 Q3	–	Sell	-41,896	Closed	-$212K	–	258
2023 Q2	$212K	Sell	41,896 -20,913	-33%	-$119K	0.13%	192
2023 Q1	$361K	Buy	62,809 +2,773	+5%	+$18.5K	0.21%	194
2022 Q4	$442K	Buy	60,036 +1,234	+2%	+$10.8K	0.26%	196
2022 Q3	$606K	Buy	+58,802	New	+$945K	0.42%	168

Other funds holding SIGA

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

AltraVue Capital Bellevue, Washington $1.39B AUM 53.77% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

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 Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

SummerHaven Investment Management's SIGA Position: Q2 2026 in Review

SummerHaven Investment Management held its SIGA Technologies (SIGA) position steady in Q2 2026 at 101,025 shares worth $368K. The position accounts for 0.2% of the portfolio, ranked #183.

SummerHaven Investment Management first reported a position in SIGA in Q3 2022 and has held it in 12 quarters since. The position peaked at $1.12M in Q3 2025. 161 funds tracked by Wall St. Rank hold SIGA as of Q2 2026.

SummerHaven Investment Management held 101,025 shares of SIGA Technologies worth $368K as of Q2 2026.
SummerHaven Investment Management left its SIGA Technologies share count unchanged in Q2 2026.
SIGA Technologies made up 0.2% of SummerHaven Investment Management's portfolio in Q2 2026, its #183 holding.
SummerHaven Investment Management first reported a position in SIGA Technologies in Q3 2022 and has held it in 12 quarters since.
SummerHaven Investment Management's SIGA Technologies position peaked at $1.12M in Q3 2025.
161 funds tracked by Wall St. Rank held SIGA Technologies as of Q2 2026.

Based on SummerHaven Investment Management's 13F filing for Q2 2026, filed 21 Jul 2026.