SEI Investments
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SEI Investments’s SIGA Technologies SIGA Stock Holding History

SEI Investments’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 		$259K Buy
48,420
+23,400
+94% +$146K ﹤0.01% 2874
2025
Q4 		$153K Sell
25,020
-5,402
-18% -$38.4K ﹤0.01% 2963
2025
Q3 		$278K Buy
30,422
+2
+0% +$16 ﹤0.01% 2494
2025
Q2 		$198K Sell
30,420
-7,900
-21% -$47.4K ﹤0.01% 2568
2025
Q1 		$210K Buy
+38,320
New +$227K ﹤0.01% 2460
2024
Q3 		– Sell
-29,645
Closed -$225K – 2753
2024
Q2 		$225K Sell
29,645
-9,800
-25% -$79.8K ﹤0.01% 2424
2024
Q1 		$338K Hold
39,445
– – ﹤0.01% 2257
2023
Q4 		$221K Buy
39,445
+21,000
+114% +$112K ﹤0.01% 2414
2023
Q3 		$96.8K Buy
+18,445
New +$90.9K ﹤0.01% 2519

Other funds holding SIGA

BlackRock
BlackRock New York $5.72T AUM 30.48% 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
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
FWSM
First Wilshire Securities Management Pasadena, California $444M AUM 42.88% 1-Year Est. Return