Janus Henderson Group PLC Siga Technologies Inc Transaction History

Janus Henderson Group PLC

$207 Billion
Q3 2025

A detailed history of Janus Henderson Group PLC transactions in Siga Technologies Inc stock. As of the latest transaction made, Janus Henderson Group PLC holds 289,086 shares of SIGA stock, worth $1.73 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

289,086

Previous 19,579 1376.51%

Holding current value

$1.73 Million

Previous $127,000 1982.68%

% of portfolio

0.0%

Previous 0.0%

14 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	BUY	$6.46 - $9.48 $1.74 Million - $2.55 Million	269,507 Added 1376.51%	289,086 $2.65 Million
Q2 2024 Aug 14, 2024	SELL	$6.32 - $10.46 $1,327 - $2,196	-210 Reduced 1.06%	19,579 $148,000
Q1 2024 May 15, 2024	BUY	$4.51 - $8.92 $22 - $44	5 Added 0.03%	19,789 $169,000
Q4 2023 Feb 14, 2024	SELL	$4.82 - $6.25 $173 - $225	-36 Reduced 0.18%	19,784 $110,000
Q3 2023 Nov 14, 2023	SELL	$4.32 - $5.77 $4 - $5	-1 Reduced 0.01%	19,820 $104,000
Q2 2023 Aug 14, 2023	SELL	$5.0 - $6.31 $656,120 - $828,023	-131,224 Reduced 86.88%	19,821 $100,000
Q1 2023 May 15, 2023	BUY	$5.23 - $8.42 $299,522 - $482,213	57,270 Added 61.07%	151,045 $868,000
Q4 2022 Feb 14, 2023	SELL	$7.29 - $10.14 $52,254 - $72,683	-7,168 Reduced 7.1%	93,775 $690,000
Q3 2022 Nov 14, 2022	BUY	$10.02 - $26.15 $20 - $52	2 Added 0.0%	100,943 $1.04 Million
Q2 2022 Aug 15, 2022	BUY	$6.5 - $13.68 $656,116 - $1.38 Million	100,941 New	100,941 $1.17 Million
Q1 2020 May 14, 2020	SELL	$3.99 - $5.46 $187,733 - $256,898	-47,051 Closed	0 $0
Q4 2019 Feb 18, 2020	BUY	$4.34 - $5.86 $10,628 - $14,351	2,449 Added 5.49%	47,051 $224,000
Q3 2019 Nov 14, 2019	BUY	$4.93 - $5.8 $29,875 - $35,148	6,060 Added 15.72%	44,602 $228,000
Q2 2019 Jul 31, 2019	BUY	$5.22 - $6.1 $201,189 - $235,106	38,542 New	38,542 $219,000

Others Institutions Holding SIGA

# of Institutions

213

Shares Held

35.1M

Call Options Held

74.6K

Put Options Held

22.8K

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 $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...

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Janus Henderson Group PLC Siga Technologies Inc Transaction History