Aviva
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Aviva’s SIGA Technologies SIGA Stock Holding History

Aviva’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 		– Sell
-78,893
Closed -$482K – 901
2025
Q4 		$482K Buy
78,893
+23,270
+42% +$166K ﹤0.01% 789
2025
Q3 		$509K Buy
55,623
+4,479
+9% +$35.8K ﹤0.01% 736
2025
Q2 		$333K Sell
51,144
-54,717
-52% -$328K ﹤0.01% 869
2025
Q1 		$580K Buy
105,861
+11,696
+12% +$69.3K ﹤0.01% 738
2024
Q4 		$566K Buy
94,165
+18,887
+25% +$126K ﹤0.01% 767
2024
Q3 		$508K Sell
75,278
-11,616
-13% -$101K ﹤0.01% 807
2024
Q2 		$660K Buy
86,894
+61,625
+244% +$502K ﹤0.01% 691
2024
Q1 		$216K Buy
+25,269
New +$144K ﹤0.01% 943

Other funds holding SIGA

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
AC
AltraVue Capital Bellevue, Washington $1.39B AUM 53.77% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
FWSM
First Wilshire Securities Management Pasadena, California $486M AUM 50.29% 1-Year Est. Return

Aviva's SIGA Position: Q1 2026 in Review

Aviva sold out of SIGA Technologies (SIGA) in Q1 2026, closing a stake of 78,893 shares — an estimated $482K sold.

Aviva first reported a position in SIGA in Q1 2024 and held it in 8 quarters. The position peaked at $660K in Q2 2024. 183 funds tracked by Wall St. Rank hold SIGA as of Q1 2026.

  • Aviva reported no remaining SIGA Technologies position as of Q1 2026 after selling out during the quarter.
  • Aviva sold 78,893 SIGA Technologies shares in Q1 2026, an estimated $482K.
  • Aviva first reported a position in SIGA Technologies in Q1 2024 and held it in 8 quarters.
  • Aviva's SIGA Technologies position peaked at $660K in Q2 2024.
  • 183 funds tracked by Wall St. Rank held SIGA Technologies as of Q1 2026.

Based on Aviva's 13F filing for Q1 2026, filed 14 May 2026.