Vanguard Personalized Indexing Management
SIGA icon

Vanguard Personalized Indexing Management’s SIGA Technologies SIGA Stock Holding History

Vanguard Personalized Indexing Management’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 		– Sell
-15,868
Closed -$84.9K – 2328
2026
Q1 		$84.9K Sell
15,868
-2,928
-16% -$18.3K ﹤0.01% 1971
2025
Q4 		$115K Sell
18,796
-2,906
-13% -$20.7K ﹤0.01% 1793
2025
Q3 		$199K Buy
21,702
+270
+1% +$2.16K ﹤0.01% 1713
2025
Q2 		$140K Buy
21,432
+6,616
+45% +$39.7K ﹤0.01% 1689
2025
Q1 		$81.2K Buy
14,816
+4,768
+47% +$28.2K ﹤0.01% 1639
2024
Q4 		$60.4K Buy
+10,048
New +$67.2K ﹤0.01% 1675

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

Vanguard Personalized Indexing Management's SIGA Position: Q2 2026 in Review

Vanguard Personalized Indexing Management sold out of SIGA Technologies (SIGA) in Q2 2026, closing a stake of 15,868 shares — an estimated $84.9K sold.

Vanguard Personalized Indexing Management first reported a position in SIGA in Q4 2024 and held it in 6 quarters. The position peaked at $199K in Q3 2025. 161 funds tracked by Wall St. Rank hold SIGA as of Q2 2026.

  • Vanguard Personalized Indexing Management reported no remaining SIGA Technologies position as of Q2 2026 after selling out during the quarter.
  • Vanguard Personalized Indexing Management sold 15,868 SIGA Technologies shares in Q2 2026, an estimated $84.9K.
  • Vanguard Personalized Indexing Management first reported a position in SIGA Technologies in Q4 2024 and held it in 6 quarters.
  • Vanguard Personalized Indexing Management's SIGA Technologies position peaked at $199K in Q3 2025.
  • 161 funds tracked by Wall St. Rank held SIGA Technologies as of Q2 2026.

Based on Vanguard Personalized Indexing Management's 13F filing for Q2 2026, filed 11 Aug 2026.