Dimensional Fund Advisors LP Siga Technologies Inc Transaction History

Dimensional Fund Advisors LP

$418 Billion
Q2 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 2,407,479 shares of SIGA stock, worth $21.7 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

2,407,479

Previous 2,352,883 2.32%

Holding current value

$21.7 Million

Previous $12.9 Million 21.74%

% of portfolio

0.0%

Previous 0.0%

19 transactions

Quarter	Operation	Price Per share	shares change	shares Held
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

191

Shares Held

35.4M

Call Options Held

106K

Put Options Held

16.6K

View Full List

About SIGA TECHNOLOGIES INC

Ticker SIGA
Exchange NASDAQ
Sector Healthcare
Industry Drug Manufacturers—Specialty & Generic
Shares Outstandng 73,024,096
Market Cap $657M
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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Dimensional Fund Advisors LP Siga Technologies Inc Transaction History