Vanguard Global Advisers
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Vanguard Global Advisers’s SIGA Technologies SIGA Stock Holding History

Vanguard Global Advisers’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 		$302K Sell
83,009
-7,769
-9% -$34.8K ﹤0.01% 2329
2026
Q1 		$486K Buy
+90,778
New +$566K ﹤0.01% 2065

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 53.78% 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

Vanguard Global Advisers's SIGA Position: Q2 2026 in Review

Vanguard Global Advisers reduced its SIGA Technologies (SIGA) stake by 8.6% in Q2 2026, selling an estimated $34.8K and leaving 83,009 shares worth $302K. The position accounts for ﹤0.01% of the portfolio, ranked #2329.

Vanguard Global Advisers first reported a position in SIGA in Q1 2026 and has held it in 2 quarters since. The position peaked at $486K in Q1 2026. 160 funds tracked by Wall St. Rank hold SIGA as of Q2 2026.

  • Vanguard Global Advisers held 83,009 shares of SIGA Technologies worth $302K as of Q2 2026.
  • Vanguard Global Advisers sold 7,769 SIGA Technologies shares in Q2 2026, an estimated $34.8K.
  • SIGA Technologies made up ﹤0.01% of Vanguard Global Advisers's portfolio in Q2 2026, its #2329 holding.
  • Vanguard Global Advisers first reported a position in SIGA Technologies in Q1 2026 and has held it in 2 quarters since.
  • Vanguard Global Advisers's SIGA Technologies position peaked at $486K in Q1 2026.
  • 160 funds tracked by Wall St. Rank held SIGA Technologies as of Q2 2026.

Based on Vanguard Global Advisers's 13F filing for Q2 2026, filed 13 Aug 2026.