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Joel Greenblatt’s SIGA Technologies SIGA Stock Holding History

Joel Greenblatt’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 		– Sell
-10,059
Closed -$92K – 1817
2025
Q3 		$92K Buy
+10,059
New +$80.4K ﹤0.01% 1652
2024
Q3 		– Sell
-20,621
Closed -$157K – 1516
2024
Q2 		$157K Buy
20,621
+6,621
+47% +$53.9K ﹤0.01% 1355
2024
Q1 		$120K Sell
14,000
-3,340
-19% -$19.1K ﹤0.01% 1324
2023
Q4 		$97.1K Sell
17,340
-7,166
-29% -$38.4K ﹤0.01% 1298
2023
Q3 		$129K Sell
24,506
-3,000
-11% -$14.8K ﹤0.01% 1276
2023
Q2 		$139K Sell
27,506
-14,649
-35% -$83.3K ﹤0.01% 1257
2023
Q1 		$242K Sell
42,155
-199,788
-83% -$1.33M 0.01% 1198
2022
Q4 		$1.78M Sell
241,943
-69,349
-22% -$608K 0.05% 460
2022
Q3 		$3.21M Buy
+311,292
New +$5M 0.1% 248
2019
Q2 		– Sell
-11,315
Closed -$68K – 1275
2019
Q1 		$68K Sell
11,315
-1,539
-12% -$10.3K ﹤0.01% 1148
2018
Q4 		$102K Buy
+12,854
New +$73.5K ﹤0.01% 955

Other funds holding SIGA

BlackRock
BlackRock New York $6.73T AUM 46.02% 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 $552B AUM 44.19% 1-Year Est. Return
AC
AltraVue Capital Bellevue, Washington $1.39B AUM 53.78% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
JAM
Jupiter Asset Management London, United Kingdom $20.2B AUM 29.18% 1-Year Est. Return

Joel Greenblatt's SIGA Position: Q4 2025 in Review

Joel Greenblatt sold out of SIGA Technologies (SIGA) in Q4 2025, closing a stake of 10,059 shares — an estimated $92K sold.

Joel Greenblatt first reported a position in SIGA in Q4 2018 and held it in 11 quarters. The position peaked at $3.21M in Q3 2022. 200 funds tracked by Wall St. Rank hold SIGA as of Q4 2025.

  • Joel Greenblatt reported no remaining SIGA Technologies position as of Q4 2025 after selling out during the quarter.
  • Joel Greenblatt sold 10,059 SIGA Technologies shares in Q4 2025, an estimated $92K.
  • Joel Greenblatt first reported a position in SIGA Technologies in Q4 2018 and held it in 11 quarters.
  • Joel Greenblatt's SIGA Technologies position peaked at $3.21M in Q3 2022.
  • 200 funds tracked by Wall St. Rank held SIGA Technologies as of Q4 2025.

Based on Gotham Asset Management's 13F filing for Q4 2025, filed 17 Feb 2026.