Russell Investments Group
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Russell Investments Group’s SIGA Technologies SIGA Stock Holding History

Russell Investments Group’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
Q2 		$160K Buy
44,055
+6,390
+17% +$28.6K ﹤0.01% 3264
2026
Q1 		$202K Buy
37,665
+2,410
+7% +$15K ﹤0.01% 2850
2025
Q4 		$215K Buy
35,255
+7,549
+27% +$53.7K ﹤0.01% 2821
2025
Q3 		$254K Buy
27,706
+12,069
+77% +$96.5K ﹤0.01% 2726
2025
Q2 		$102K Buy
15,637
+5,712
+58% +$34.3K ﹤0.01% 2810
2025
Q1 		$54.4K Buy
9,925
+9,771
+6,345% +$57.9K ﹤0.01% 2889
2024
Q4 		$926 Sell
154
-82
-35% -$548 ﹤0.01% 3538
2024
Q3 		$1.59K Buy
236
+22
+10% +$192 ﹤0.01% 3417
2024
Q2 		$1.62K Hold
214
– – ﹤0.01% 3377
2024
Q1 		$1.83K Sell
214
-257
-55% -$1.47K ﹤0.01% 3082
2023
Q4 		$2.64K Buy
471
+146
+45% +$782 ﹤0.01% 2979
2023
Q3 		$1.71K Buy
+325
New +$1.6K ﹤0.01% 3285
2023
Q1 		– Sell
-32,800
Closed -$241K – 3376
2022
Q4 		$241K Buy
+32,800
New +$287K ﹤0.01% 2526
2022
Q3 		– Sell
-133,327
Closed -$1.54M – 2965
2022
Q2 		$1.54M Sell
133,327
-39,845
-23% -$359K ﹤0.01% 1726
2022
Q1 		$1.23M Sell
173,172
-126,178
-42% -$844K ﹤0.01% 1860
2021
Q4 		$2.25M Sell
299,350
-168,824
-36% -$1.29M ﹤0.01% 1734
2021
Q3 		$3.46M Buy
+468,174
New +$3M 0.01% 1473

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
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 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
FWSM
First Wilshire Securities Management Pasadena, California $486M AUM 50.29% 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

Russell Investments Group's SIGA Position: Q2 2026 in Review

Russell Investments Group increased its SIGA Technologies (SIGA) stake by 17% in Q2 2026, buying an estimated $28.6K and bringing the position to 44,055 shares worth $160K. The position accounts for ﹤0.01% of the portfolio, ranked #3264.

Russell Investments Group first reported a position in SIGA in Q3 2021 and has held it in 17 quarters since. The position peaked at $3.46M in Q3 2021. 161 funds tracked by Wall St. Rank hold SIGA as of Q2 2026.

  • Russell Investments Group held 44,055 shares of SIGA Technologies worth $160K as of Q2 2026.
  • Russell Investments Group bought 6,390 SIGA Technologies shares in Q2 2026, an estimated $28.6K.
  • SIGA Technologies made up ﹤0.01% of Russell Investments Group's portfolio in Q2 2026, its #3264 holding.
  • Russell Investments Group first reported a position in SIGA Technologies in Q3 2021 and has held it in 17 quarters since.
  • Russell Investments Group's SIGA Technologies position peaked at $3.46M in Q3 2021.
  • 161 funds tracked by Wall St. Rank held SIGA Technologies as of Q2 2026.

Based on Russell Investments Group's 13F filing for Q2 2026, filed 6 Aug 2026.