Mariner
SIGA icon

Mariner’s SIGA Technologies SIGA Stock Holding History

Mariner’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 		$67.4K Sell
18,523
-2,500
-12% -$11.2K ﹤0.01% 3382
2026
Q1 		$112K Buy
21,023
+9,463
+82% +$59K ﹤0.01% 3299
2025
Q4 		$70.7K Buy
+11,560
New +$82.2K ﹤0.01% 3379
2019
Q2 		– Sell
-13,205
Closed -$79K – 1144
2019
Q1 		$79K Buy
+13,205
New +$88.6K ﹤0.01% 1010

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

Mariner's SIGA Position: Q2 2026 in Review

Mariner reduced its SIGA Technologies (SIGA) stake by 12% in Q2 2026, selling an estimated $11.2K and leaving 18,523 shares worth $67.4K. The position accounts for ﹤0.01% of the portfolio, ranked #3382.

Mariner first reported a position in SIGA in Q1 2019 and has held it in 4 quarters since. The position peaked at $112K in Q1 2026. 161 funds tracked by Wall St. Rank hold SIGA as of Q2 2026.

  • Mariner held 18,523 shares of SIGA Technologies worth $67.4K as of Q2 2026.
  • Mariner sold 2,500 SIGA Technologies shares in Q2 2026, an estimated $11.2K.
  • SIGA Technologies made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #3382 holding.
  • Mariner first reported a position in SIGA Technologies in Q1 2019 and has held it in 4 quarters since.
  • Mariner's SIGA Technologies position peaked at $112K in Q1 2026.
  • 161 funds tracked by Wall St. Rank held SIGA Technologies as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.