Siga Technologies Inc

SIGA

Exchange: Nasdaq
Industry: Pharmaceutical Preparations
SEC CIK: 0001010086

SEC filings (opens in a new tab)

No open-market purchases or sales by Siga Technologies Inc insiders were filed in the last 90 days; 161 institutions reported holding it in 13F filings for Q2 2026, worth $127.0M in total; no superinvestor holds it.

Q3 2024 vs. Q2 2024

How the institutions holding Siga Technologies Inc changed between Q2 2024 and Q3 2024.

All holders in Q3 2024 All holders in Q2 2024

13F holders of SIGA: Q2 2024 compared with Q3 2024
Measure	Q2 2024	Of which not filed for Q3 2024	Q3 2024	Change
Holders	151	1	169	+19
Shares	33.8M	3.91M	35.6M	+5.76M (+19.3%)
Value	$256.6M	$29.7M	$240.7M	+$13.8M (+6.1%)

1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (37)

Institutions that held Siga Technologies Inc at the end of Q3 2024 but not at the end of Q2 2024.

Institutions new to SIGA in Q3 2024
Institution	Shares	Value	% of portfolio
BlackRock, Inc.	4,017,178	$27.1M	0.00%
Foundry Partners, LLC	414,916	$2.80M	0.14%
Harbor Capital Advisors, Inc.	162,706	$1.10M	0.05%
Wellington Management Group LLP	112,197	$757.3K	0.00%
Prudential Financial Inc	111,570	$753.1K	0.00%
SummerHaven Investment Management, LLC	93,804	$633.2K	0.39%
Algert Global LLC	68,796	$464.4K	0.01%
Prosperity Wealth Management, Inc.	56,480	$381.2K	0.15%
CWA Asset Management Group, LLC	49,259	$332.5K	0.02%
TD Waterhouse Canada Inc.	46,689	$324.3K	0.00%
Alps Advisors Inc	44,750	$302.1K	0.00%
Advantage Alpha Capital Partners LP	40,841	$275.7K	0.06%
Susquehanna International Group, LLP	30,095	$203.1K	0.00%
DGS Capital Management, LLC	24,404	$164.7K	0.04%
GTS Securities LLC	24,297	$164.0K	0.00%
Eqis Capital Management, Inc.	23,273	$157.1K	0.01%
Virtu Financial LLC	22,299	$151.0K	0.01%
Principal Financial Group Inc	22,143	$149.5K	0.00%
SG Americas Securities, LLC	21,167	$143.0K	0.00%
Intech Investment Management LLC	17,819	$120.3K	0.00%
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management	15,305	$103.3K	0.00%
Inceptionr LLC	13,760	$92.9K	0.02%
Squarepoint Ops LLC	13,220	$89.2K	0.00%
Allianz Asset Management GmbH	12,900	$87.1K	0.00%
XTX Topco Ltd	12,654	$85.4K	0.01%
CI Private Wealth, LLC	12,601	$85.1K	0.00%
Group One Trading, L.P.	12,447	$84.0K	0.00%
Caxton Associates LP	12,246	$82.7K	0.00%
EP Wealth Advisors, LLC	12,132	$81.9K	0.00%
Teacher Retirement System of Texas	10,703	$72.0K	0.00%
Larson Financial Group LLC	4,400	$29.7K	0.00%
Gladius Capital Management LP	3,245	$21.9K	0.01%
Federation des caisses Desjardins du Quebec	833	$5.62K	0.00%
Capital Performance Advisors LLP	138	$932	0.00%
Principal Securities, Inc.	100	$675	0.00%
Sterling Capital Management LLC	74	$500	0.00%
Washington Growth Strategies LLC	184	–	–

Sold out (18)

Institutions that held Siga Technologies Inc at the end of Q2 2024 and filed for Q3 2024 without it.

Institutions that sold out of SIGA in Q3 2024
Institution	Shares, Q2 2024	Value, Q2 2024
Price Jennifer C.	360,000	$2.73M
Trexquant Investment LP	242,313	$1.84M
Qube Research & Technologies Ltd	135,284	$1.03M
Marshall Wace, LLP	134,285	$1.02M
LPL Financial LLC	62,931	$477.6K
TRUE Private Wealth Advisors	59,389	$450.8K
Connor, Clark & Lunn Investment Management Ltd.	53,369	$405.1K
Brevan Howard Capital Management LP	41,382	$314.1K
SEI Investments Co	29,645	$225.0K
Campbell & CO Investment Adviser LLC	27,686	$210.1K
Verition Fund Management LLC	26,000	$197.3K
HRT Financial LP	22,869	$173.0K
Gotham Asset Management, LLC	20,621	$156.5K
Toroso Investments, LLC	15,554	$118.1K
NBC Securities, Inc.	1,500	$11.0K
Quarry LP	152	$1.15K
Mather Group, LLC.	110	$942
Quest Partners LLC	1	$8

Not filed for Q3 2024 yet (1)

Institutions that held Siga Technologies Inc at the end of Q2 2024 and haven't filed a 13F for Q3 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding SIGA in Q2 2024 that haven't filed for Q3 2024
Institution	Shares, Q2 2024	Value, Q2 2024
BlackRock Inc.	3,913,703	$29.7M