Ohio Public Employees Retirement System (OPERS)
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Ohio Public Employees Retirement System (OPERS)’s SIGA Technologies SIGA Stock Holding History

Ohio Public Employees Retirement System (OPERS)’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 		$141K Buy
38,800
+20,900
+117% +$93.6K ﹤0.01% 1718
2026
Q1 		$95.8K Sell
17,900
-1,000
-5% -$6.24K ﹤0.01% 1790
2025
Q4 		$115K Hold
18,900
– – ﹤0.01% 1771
2025
Q3 		$173K Hold
18,900
– – ﹤0.01% 1700
2025
Q2 		$123K Buy
+18,900
New +$113K ﹤0.01% 1740

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 $3.38T AUM 44.17% 1-Year Est. Return

Ohio Public Employees Retirement System (OPERS)'s SIGA Position: Q2 2026 in Review

Ohio Public Employees Retirement System (OPERS) increased its SIGA Technologies (SIGA) stake by 117% in Q2 2026, buying an estimated $93.6K and bringing the position to 38,800 shares worth $141K. The position accounts for ﹤0.01% of the portfolio, ranked #1718.

Ohio Public Employees Retirement System (OPERS) first reported a position in SIGA in Q2 2025 and has held it in 5 quarters since. The position peaked at $173K in Q3 2025. 161 funds tracked by Wall St. Rank hold SIGA as of Q2 2026.

  • Ohio Public Employees Retirement System (OPERS) held 38,800 shares of SIGA Technologies worth $141K as of Q2 2026.
  • Ohio Public Employees Retirement System (OPERS) bought 20,900 SIGA Technologies shares in Q2 2026, an estimated $93.6K.
  • SIGA Technologies made up ﹤0.01% of Ohio Public Employees Retirement System (OPERS)'s portfolio in Q2 2026, its #1718 holding.
  • Ohio Public Employees Retirement System (OPERS) first reported a position in SIGA Technologies in Q2 2025 and has held it in 5 quarters since.
  • Ohio Public Employees Retirement System (OPERS)'s SIGA Technologies position peaked at $173K in Q3 2025.
  • 161 funds tracked by Wall St. Rank held SIGA Technologies as of Q2 2026.

Based on Ohio Public Employees Retirement System (OPERS)'s 13F filing for Q2 2026, filed 17 Aug 2026.