Tudor Investment Corp
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Tudor Investment Corp’s SIGA Technologies SIGA Stock Holding History

Tudor Investment Corp’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
-36,576
Closed -$238K – 3832
2025
Q2 		$238K Buy
+36,576
New +$219K ﹤0.01% 3010
2022
Q3 		– Sell
-31,870
Closed -$369K – 2663
2022
Q2 		$369K Buy
+31,870
New +$287K 0.01% 1435
2021
Q3 		– Sell
-37,962
Closed -$238K – 2765
2021
Q2 		$238K Sell
37,962
-40,737
-52% -$280K ﹤0.01% 1429
2021
Q1 		$512K Buy
78,699
+19,910
+34% +$135K 0.01% 1131
2020
Q4 		$427K Sell
58,789
-15,647
-21% -$110K 0.01% 1012
2020
Q3 		$511K Buy
74,436
+36,529
+96% +$248K 0.02% 812
2020
Q2 		$224K Buy
+37,907
New +$216K 0.01% 983

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Dimensional Fund Advisors
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AC
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American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 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
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return

Tudor Investment Corp's SIGA Position: Q3 2025 in Review

Tudor Investment Corp sold out of SIGA Technologies (SIGA) in Q3 2025, closing a stake of 36,576 shares — an estimated $238K sold.

Tudor Investment Corp first reported a position in SIGA in Q2 2020 and held it in 7 quarters. The position peaked at $512K in Q1 2021. 197 funds tracked by Wall St. Rank hold SIGA as of Q3 2025.

  • Tudor Investment Corp reported no remaining SIGA Technologies position as of Q3 2025 after selling out during the quarter.
  • Tudor Investment Corp sold 36,576 SIGA Technologies shares in Q3 2025, an estimated $238K.
  • Tudor Investment Corp first reported a position in SIGA Technologies in Q2 2020 and held it in 7 quarters.
  • Tudor Investment Corp's SIGA Technologies position peaked at $512K in Q1 2021.
  • 197 funds tracked by Wall St. Rank held SIGA Technologies as of Q3 2025.

Based on Tudor Investment Corp's 13F filing for Q3 2025, filed 14 Nov 2025.