Dimensional Fund Advisors
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Dimensional Fund Advisors’s SIGA Technologies SIGA Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$15.7M Buy
2,407,479
+54,596
+2% +$356K ﹤0.01% 2074
2025
Q1
$12.9M Buy
2,352,883
+226,818
+11% +$1.24M ﹤0.01% 2142
2024
Q4
$12.8M Buy
2,126,065
+217,926
+11% +$1.31M ﹤0.01% 2201
2024
Q3
$12.9M Buy
1,908,139
+86,351
+5% +$583K ﹤0.01% 2196
2024
Q2
$13.8M Buy
1,821,788
+133,883
+8% +$1.02M ﹤0.01% 2119
2024
Q1
$14.4M Sell
1,687,905
-10,249
-0.6% -$87.7K ﹤0.01% 2152
2023
Q4
$9.51M Buy
1,698,154
+226,187
+15% +$1.27M ﹤0.01% 2341
2023
Q3
$7.73M Buy
1,471,967
+336,905
+30% +$1.77M ﹤0.01% 2375
2023
Q2
$5.73M Buy
1,135,062
+72,581
+7% +$367K ﹤0.01% 2473
2023
Q1
$6.11M Sell
1,062,481
-42,941
-4% -$247K ﹤0.01% 2419
2022
Q4
$8.14K Sell
1,105,422
-7,764
-0.7% -$57 ﹤0.01% 2288
2022
Q3
$11.5M Sell
1,113,186
-24,846
-2% -$256K ﹤0.01% 2100
2022
Q2
$13.2M Buy
1,138,032
+185,398
+19% +$2.15M ﹤0.01% 2083
2022
Q1
$6.76M Buy
952,634
+44,801
+5% +$318K ﹤0.01% 2443
2021
Q4
$6.83M Buy
907,833
+105,566
+13% +$794K ﹤0.01% 2460
2021
Q3
$5.93M Buy
802,267
+109,042
+16% +$806K ﹤0.01% 2532
2021
Q2
$4.35M Buy
693,225
+144,415
+26% +$907K ﹤0.01% 2656
2021
Q1
$3.57M Buy
548,810
+35,749
+7% +$232K ﹤0.01% 2683
2020
Q4
$3.73M Buy
513,061
+46,864
+10% +$341K ﹤0.01% 2626
2020
Q3
$3.2M Buy
466,197
+17,075
+4% +$117K ﹤0.01% 2600
2020
Q2
$2.65M Buy
449,122
+53,087
+13% +$314K ﹤0.01% 2669
2020
Q1
$1.89M Buy
396,035
+61,075
+18% +$292K ﹤0.01% 2726
2019
Q4
$1.6M Buy
334,960
+55,624
+20% +$265K ﹤0.01% 2910
2019
Q3
$1.43M Buy
279,336
+65,036
+30% +$333K ﹤0.01% 2939
2019
Q2
$1.22M Buy
214,300
+179,526
+516% +$1.02M ﹤0.01% 3016
2019
Q1
$209K Hold
34,774
﹤0.01% 3300
2018
Q4
$274K Buy
+34,774
New +$274K ﹤0.01% 3237
2014
Q3
Sell
-700
Closed -$2K 3565
2014
Q2
$2K Hold
700
﹤0.01% 3579
2014
Q1
$2K Hold
700
﹤0.01% 3585
2013
Q4
$2K Hold
700
﹤0.01% 3529
2013
Q3
$3K Sell
700
-13,800
-95% -$59.1K ﹤0.01% 3563
2013
Q2
$41K Buy
+14,500
New +$41K ﹤0.01% 3456