Charles Schwab
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Charles Schwab’s SIGA Technologies SIGA Stock Holding History

Charles Schwab’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 		$1.27M Buy
349,820
+9,499
+3% +$42.5K ﹤0.01% 2933
2026
Q1 		$1.82M Buy
340,321
+23,620
+7% +$147K ﹤0.01% 2743
2025
Q4 		$1.94M Sell
316,701
-32,675
-9% -$232K ﹤0.01% 2763
2025
Q3 		$3.2M Buy
349,376
+13,781
+4% +$110K ﹤0.01% 2617
2025
Q2 		$2.19M Sell
335,595
-25,189
-7% -$151K ﹤0.01% 2638
2025
Q1 		$1.98M Sell
360,784
-101,404
-22% -$600K ﹤0.01% 2622
2024
Q4 		$2.78M Sell
462,188
-45,074
-9% -$301K ﹤0.01% 2575
2024
Q3 		$3.42M Buy
507,262
+24,101
+5% +$210K ﹤0.01% 2542
2024
Q2 		$3.67M Buy
483,161
+151,662
+46% +$1.23M ﹤0.01% 2494
2024
Q1 		$2.84M Buy
331,499
+20,650
+7% +$118K ﹤0.01% 2490
2023
Q4 		$1.74M Sell
310,849
-9,738
-3% -$52.2K ﹤0.01% 2659
2023
Q3 		$1.68M Buy
320,587
+14,780
+5% +$72.8K ﹤0.01% 2651
2023
Q2 		$1.54M Sell
305,807
-5,471
-2% -$31.1K ﹤0.01% 2634
2023
Q1 		$1.79M Buy
311,278
+2,563
+0.8% +$17.1K ﹤0.01% 2554
2022
Q4 		$2.27M Buy
308,715
+4,277
+1% +$37.5K ﹤0.01% 2530
2022
Q3 		$3.14M Buy
304,438
+183,855
+152% +$2.95M ﹤0.01% 2446
2022
Q2 		$1.4M Sell
120,583
-5,750
-5% -$51.8K ﹤0.01% 2680
2022
Q1 		$896K Buy
126,333
+3,804
+3% +$25.5K ﹤0.01% 2901
2021
Q4 		$922K Hold
122,529
– – ﹤0.01% 2947
2021
Q3 		$906K Sell
122,529
-189,130
-61% -$1.21M ﹤0.01% 2909
2021
Q2 		$1.96M Sell
311,659
-9,245
-3% -$63.5K ﹤0.01% 2723
2021
Q1 		$2.09M Buy
320,904
+14,139
+5% +$95.9K ﹤0.01% 2650
2020
Q4 		$2.23M Sell
306,765
-2,387
-0.8% -$16.8K ﹤0.01% 2564
2020
Q3 		$2.12M Sell
309,152
-53,394
-15% -$363K ﹤0.01% 2474
2020
Q2 		$2.14M Buy
362,546
+13,256
+4% +$75.7K ﹤0.01% 2397
2020
Q1 		$1.67M Buy
349,290
+14,626
+4% +$71.2K ﹤0.01% 2331
2019
Q4 		$1.6M Buy
334,664
+9,932
+3% +$50.6K ﹤0.01% 2478
2019
Q3 		$1.66M Buy
324,732
+51,835
+19% +$280K ﹤0.01% 2445
2019
Q2 		$1.55M Buy
272,897
+14,438
+6% +$79.9K ﹤0.01% 2443
2019
Q1 		$1.55M Buy
258,459
+9,620
+4% +$64.6K ﹤0.01% 2433
2018
Q4 		$1.97M Sell
248,839
-1,561
-0.6% -$8.93K ﹤0.01% 2340
2018
Q3 		$1.73M Buy
250,400
+14,194
+6% +$104K ﹤0.01% 2472
2018
Q2 		$1.4M Buy
+236,206
New +$1.53M ﹤0.01% 2482
2014
Q2 		– Sell
-46,100
Closed -$143K – 3137
2014
Q1 		$143K Hold
46,100
– – ﹤0.01% 3003
2013
Q4 		$151K Hold
46,100
– – ﹤0.01% 3017
2013
Q3 		$188K Hold
46,100
– – ﹤0.01% 2939
2013
Q2 		$132K Buy
+46,100
New +$155K ﹤0.01% 3000

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

Charles Schwab's SIGA Position: Q2 2026 in Review

Charles Schwab increased its SIGA Technologies (SIGA) stake by 2.8% in Q2 2026, buying an estimated $42.5K and bringing the position to 349,820 shares worth $1.27M. The position accounts for ﹤0.01% of the portfolio, ranked #2933.

Charles Schwab first reported a position in SIGA in Q2 2013 and has held it in 37 quarters since. The position peaked at $3.67M in Q2 2024. 161 funds tracked by Wall St. Rank hold SIGA as of Q2 2026.

  • Charles Schwab held 349,820 shares of SIGA Technologies worth $1.27M as of Q2 2026.
  • Charles Schwab bought 9,499 SIGA Technologies shares in Q2 2026, an estimated $42.5K.
  • SIGA Technologies made up ﹤0.01% of Charles Schwab's portfolio in Q2 2026, its #2933 holding.
  • Charles Schwab first reported a position in SIGA Technologies in Q2 2013 and has held it in 37 quarters since.
  • Charles Schwab's SIGA Technologies position peaked at $3.67M in Q2 2024.
  • 161 funds tracked by Wall St. Rank held SIGA Technologies as of Q2 2026.

Based on Charles Schwab's 13F filing for Q2 2026, filed 14 Aug 2026.