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Campbell & Co Investment Adviser’s SIGA Technologies SIGA Stock Holding History

Campbell & Co Investment Adviser’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 		$493K Buy
92,125
+36,477
+66% +$227K 0.03% 757
2025
Q4 		$340K Sell
55,648
-27,765
-33% -$197K 0.02% 944
2025
Q3 		$763K Sell
83,413
-115,000
-58% -$919K 0.06% 534
2025
Q2 		$1.29M Buy
198,413
+159,779
+414% +$958K 0.08% 395
2025
Q1 		$212K Buy
38,634
+27,598
+250% +$163K 0.02% 929
2024
Q4 		$66.3K Buy
+11,036
New +$73.8K 0.01% 1015
2024
Q3 		– Sell
-27,686
Closed -$210K – 1307
2024
Q2 		$210K Sell
27,686
-149,490
-84% -$1.22M 0.02% 951
2024
Q1 		$1.52M Sell
177,176
-41,777
-19% -$238K 0.13% 237
2023
Q4 		$1.23M Buy
218,953
+179,388
+453% +$961K 0.11% 299
2023
Q3 		$208K Buy
+39,565
New +$195K 0.02% 837
2023
Q2 		– Sell
-20,247
Closed -$116K – 1096
2023
Q1 		$116K Buy
+20,247
New +$135K 0.02% 771
2022
Q3 		– Sell
-33,778
Closed -$391K – 914
2022
Q2 		$391K Buy
33,778
+10,379
+44% +$93.5K 0.11% 364
2022
Q1 		$166K Buy
23,399
+1,899
+9% +$12.7K 0.04% 645
2021
Q4 		$162K Sell
21,500
-73,400
-77% -$559K 0.06% 556
2021
Q3 		$701K Buy
94,900
+53,500
+129% +$343K 0.23% 129
2021
Q2 		$260K Buy
+41,400
New +$284K 0.11% 365

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

Campbell & Co Investment Adviser's SIGA Position: Q1 2026 in Review

Campbell & Co Investment Adviser increased its SIGA Technologies (SIGA) stake by 66% in Q1 2026, buying an estimated $227K and bringing the position to 92,125 shares worth $493K. The position accounts for 0.03% of the portfolio, ranked #757.

Campbell & Co Investment Adviser first reported a position in SIGA in Q2 2021 and has held it in 16 quarters since. The position peaked at $1.52M in Q1 2024. 183 funds tracked by Wall St. Rank hold SIGA as of Q1 2026.

  • Campbell & Co Investment Adviser held 92,125 shares of SIGA Technologies worth $493K as of Q1 2026.
  • Campbell & Co Investment Adviser bought 36,477 SIGA Technologies shares in Q1 2026, an estimated $227K.
  • SIGA Technologies made up 0.03% of Campbell & Co Investment Adviser's portfolio in Q1 2026, its #757 holding.
  • Campbell & Co Investment Adviser first reported a position in SIGA Technologies in Q2 2021 and has held it in 16 quarters since.
  • Campbell & Co Investment Adviser's SIGA Technologies position peaked at $1.52M in Q1 2024.
  • 183 funds tracked by Wall St. Rank held SIGA Technologies as of Q1 2026.

Based on Campbell & Co Investment Adviser's 13F filing for Q1 2026, filed 15 May 2026.