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Brandywine Global Investment Management’s SIGA Technologies SIGA Stock Holding History

Brandywine Global 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
2025
Q4 		$1.07M Sell
175,030
-6,600
-4% -$46.9K 0.01% 528
2025
Q3 		$1.66M Buy
+181,630
New +$1.45M 0.01% 506
2023
Q1 		– Sell
-116,137
Closed -$855K – 760
2022
Q4 		$855K Buy
+116,137
New +$1.02M 0.01% 652

Other funds holding SIGA

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
AC
AltraVue Capital Bellevue, Washington $1.16B AUM 46.45% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
Geode Capital Management
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

Brandywine Global Investment Management's SIGA Position: Q4 2025 in Review

Brandywine Global Investment Management reduced its SIGA Technologies (SIGA) stake by 3.6% in Q4 2025, selling an estimated $46.9K and leaving 175,030 shares worth $1.07M. The position accounts for 0.01% of the portfolio, ranked #528.

Brandywine Global Investment Management first reported a position in SIGA in Q4 2022 and has held it in 3 quarters since. The position peaked at $1.66M in Q3 2025. 200 funds tracked by Wall St. Rank hold SIGA as of Q4 2025.

  • Brandywine Global Investment Management held 175,030 shares of SIGA Technologies worth $1.07M as of Q4 2025.
  • Brandywine Global Investment Management sold 6,600 SIGA Technologies shares in Q4 2025, an estimated $46.9K.
  • SIGA Technologies made up 0.01% of Brandywine Global Investment Management's portfolio in Q4 2025, its #528 holding.
  • Brandywine Global Investment Management first reported a position in SIGA Technologies in Q4 2022 and has held it in 3 quarters since.
  • Brandywine Global Investment Management's SIGA Technologies position peaked at $1.66M in Q3 2025.
  • 200 funds tracked by Wall St. Rank held SIGA Technologies as of Q4 2025.

Based on Brandywine Global Investment Management's 13F filing for Q4 2025, filed 11 Feb 2026.