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O'Shaughnessy Asset Management’s SIGA Technologies SIGA Stock Holding History

O'Shaughnessy Asset 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
Q1 		$573K Buy
107,138
+57,481
+116% +$358K ﹤0.01% 1464
2025
Q4 		$303K Buy
49,657
+4,860
+11% +$34.6K ﹤0.01% 1768
2025
Q3 		$410K Buy
+44,797
New +$358K ﹤0.01% 1592
2025
Q1 		– Sell
-16,010
Closed -$96.2K – 2388
2024
Q4 		$96.2K Sell
16,010
-28,600
-64% -$191K ﹤0.01% 1861
2024
Q3 		$301K Sell
44,610
-25,369
-36% -$221K ﹤0.01% 1487
2024
Q2 		$531K Buy
+69,979
New +$570K 0.01% 1104
2023
Q1 		– Sell
-13,427
Closed -$98.8K – 1530
2022
Q4 		$98.8K Sell
13,427
-21,126
-61% -$185K ﹤0.01% 1199
2022
Q3 		$356K Buy
34,553
+8,102
+31% +$130K 0.01% 867
2022
Q2 		$306K Sell
26,451
-6,071
-19% -$54.7K 0.01% 855
2022
Q1 		$231K Sell
32,522
-9,878
-23% -$66.1K ﹤0.01% 1014
2021
Q4 		$319K Sell
42,400
-1,969
-4% -$15K 0.01% 848
2021
Q3 		$328K Buy
44,369
+5,262
+13% +$33.7K 0.01% 812
2021
Q2 		$246K Buy
39,107
+19,122
+96% +$131K ﹤0.01% 929
2021
Q1 		$130K Sell
19,985
-758
-4% -$5.14K ﹤0.01% 1089
2020
Q4 		$151K Sell
20,743
-41,560
-67% -$293K ﹤0.01% 938
2020
Q3 		$429K Buy
62,303
+50,870
+445% +$346K 0.01% 480
2020
Q2 		$68K Buy
11,433
+3,218
+39% +$18.4K ﹤0.01% 946
2020
Q1 		$39K Sell
8,215
-43,907
-84% -$214K ﹤0.01% 819
2019
Q4 		$249K Buy
52,122
+2,838
+6% +$14.5K 0.01% 560
2019
Q3 		$252K Sell
49,284
-7,751
-14% -$41.8K 0.01% 494
2019
Q2 		$324K Buy
57,035
+45,092
+378% +$250K 0.01% 454
2019
Q1 		$72K Buy
+11,943
New +$80.1K ﹤0.01% 694

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

O'Shaughnessy Asset Management's SIGA Position: Q1 2026 in Review

O'Shaughnessy Asset Management increased its SIGA Technologies (SIGA) stake by 116% in Q1 2026, buying an estimated $358K and bringing the position to 107,138 shares worth $573K. The position accounts for ﹤0.01% of the portfolio, ranked #1464.

O'Shaughnessy Asset Management first reported a position in SIGA in Q1 2019 and has held it in 22 quarters since. 183 funds tracked by Wall St. Rank hold SIGA as of Q1 2026.

  • O'Shaughnessy Asset Management held 107,138 shares of SIGA Technologies worth $573K as of Q1 2026.
  • O'Shaughnessy Asset Management bought 57,481 SIGA Technologies shares in Q1 2026, an estimated $358K.
  • SIGA Technologies made up ﹤0.01% of O'Shaughnessy Asset Management's portfolio in Q1 2026, its #1464 holding.
  • O'Shaughnessy Asset Management first reported a position in SIGA Technologies in Q1 2019 and has held it in 22 quarters since.
  • 183 funds tracked by Wall St. Rank held SIGA Technologies as of Q1 2026.

Based on O'Shaughnessy Asset Management's 13F filing for Q1 2026, filed 13 May 2026.