Dimensional Fund Advisors LP Siga Technologies Inc Transaction History

Dimensional Fund Advisors LP

  • $449 Billion
  • Q3 2025

A detailed history of Dimensional Fund Advisors LP transactions in Siga Technologies Inc stock. As of the latest transaction made, Dimensional Fund Advisors LP holds 2,432,380 shares of SIGA stock, worth $14.6 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares
2,432,380
Previous 2,407,479 1.03%
Holding current value
$14.6 Million
Previous $15.7 Million 41.79%
% of portfolio
0.0%
Previous 0.0%

Shares

20 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Nov 12, 2025
BUY
$6.46 - $9.48 $160,860 - $236,061
24,901 Added 1.03%
2,432,380 $22.3 Million
Q2 2025

Aug 12, 2025
BUY
$5.22 - $6.56 $284,991 - $358,149
54,596 Added 2.32%
2,407,479 $15.7 Million
Q1 2025

May 13, 2025
BUY
$5.39 - $6.47 $1.22 Million - $1.47 Million
226,818 Added 10.67%
2,352,883 $12.9 Million
Q4 2024

Feb 13, 2025
BUY
$5.73 - $7.72 $1.25 Million - $1.68 Million
217,926 Added 11.42%
2,126,065 $12.8 Million
Q3 2024

Nov 07, 2024
BUY
$6.74 - $11.97 $582,005 - $1.03 Million
86,351 Added 4.74%
1,908,139 $12.9 Million
Q2 2024

Aug 09, 2024
BUY
$6.32 - $10.46 $846,140 - $1.4 Million
133,883 Added 7.93%
1,821,788 $13.8 Million
Q1 2024

May 10, 2024
SELL
$4.51 - $8.92 $46,222 - $91,421
-10,249 Reduced 0.6%
1,687,905 $14.4 Million
Q4 2023

Feb 07, 2024
BUY
$4.82 - $6.25 $1.09 Million - $1.41 Million
226,187 Added 15.37%
1,698,154 $9.51 Million
Q3 2023

Nov 09, 2023
BUY
$4.32 - $5.77 $1.46 Million - $1.94 Million
336,905 Added 29.68%
1,471,967 $7.73 Million
Q2 2023

Aug 09, 2023
BUY
$5.0 - $6.31 $362,905 - $457,986
72,581 Added 6.83%
1,135,062 $5.73 Million
Q1 2023

May 12, 2023
SELL
$5.23 - $8.42 $224,581 - $361,563
-42,941 Reduced 3.88%
1,062,481 $6.11 Million
Q4 2022

Feb 09, 2023
SELL
$7.29 - $10.14 $56,599 - $78,726
-7,764 Reduced 0.7%
1,105,422 $8.14 Million
Q3 2022

Nov 10, 2022
SELL
$10.02 - $26.15 $248,956 - $649,722
-24,846 Reduced 2.18%
1,113,186 $11.5 Million
Q2 2022

Aug 12, 2022
BUY
$6.5 - $13.68 $1.21 Million - $2.54 Million
185,398 Added 19.46%
1,138,032 $13.2 Million
Q1 2022

May 13, 2022
BUY
$5.96 - $7.61 $267,013 - $340,935
44,801 Added 4.93%
952,634 $6.76 Million
Q4 2021

Feb 09, 2022
BUY
$6.96 - $9.26 $734,739 - $977,541
105,566 Added 13.16%
907,833 $6.83 Million
Q3 2021

Nov 12, 2021
BUY
$5.71 - $7.39 $622,629 - $805,820
109,042 Added 15.73%
802,267 $5.93 Million
Q2 2021

Aug 12, 2021
BUY
$6.1 - $7.58 $880,931 - $1.09 Million
144,415 Added 26.31%
693,225 $4.35 Million
Q1 2021

May 14, 2021
BUY
$6.3 - $7.71 $225,218 - $275,624
35,749 Added 6.97%
548,810 $3.57 Million
Q4 2020

Feb 25, 2021
BUY
$6.39 - $7.76 $3.28 Million - $3.98 Million
513,061 New
513,061 $3.73 Million

Others Institutions Holding SIGA

# of Institutions
214
Shares Held
35.1M
Call Options Held
74.6K
Put Options Held
22.8K
View Full List

About SIGA TECHNOLOGIES INC

SIGA Quotes by TradingView
  • Ticker SIGA
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Drug Manufacturers—Specialty & Generic
  • Shares Outstandng 73,024,096
  • Market Cap $438M
  • Description
  • SIGA Technologies, Inc., a commercial-stage pharmaceutical company, focuses on the health security and infectious disease markets in the United States. Its lead product is TPOXX, an oral formulation antiviral drug for the treatment of human smallpox disease caused by variola virus. SIGA Technologies, Inc. has a strategic partnership with Cipla T...
More about SIGA
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