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
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

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BlackRock
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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

Ohio Public Employees Retirement System (OPERS)'s SIGA Position: Q1 2026 in Review

Ohio Public Employees Retirement System (OPERS) reduced its SIGA Technologies (SIGA) stake by 5.3% in Q1 2026, selling an estimated $6.24K and leaving 17,900 shares worth $95.8K. The position accounts for ﹤0.01% of the portfolio, ranked #1790.

Ohio Public Employees Retirement System (OPERS) first reported a position in SIGA in Q2 2025 and has held it in 4 quarters since. The position peaked at $173K in Q3 2025. 183 funds tracked by Wall St. Rank hold SIGA as of Q1 2026.

  • Ohio Public Employees Retirement System (OPERS) held 17,900 shares of SIGA Technologies worth $95.8K as of Q1 2026.
  • Ohio Public Employees Retirement System (OPERS) sold 1,000 SIGA Technologies shares in Q1 2026, an estimated $6.24K.
  • SIGA Technologies made up ﹤0.01% of Ohio Public Employees Retirement System (OPERS)'s portfolio in Q1 2026, its #1790 holding.
  • Ohio Public Employees Retirement System (OPERS) first reported a position in SIGA Technologies in Q2 2025 and has held it in 4 quarters since.
  • Ohio Public Employees Retirement System (OPERS)'s SIGA Technologies position peaked at $173K in Q3 2025.
  • 183 funds tracked by Wall St. Rank held SIGA Technologies as of Q1 2026.

Based on Ohio Public Employees Retirement System (OPERS)'s 13F filing for Q1 2026, filed 14 May 2026.