Security key
826917106
- Type / Class
- Equity / Common Stock
- Shares outstanding
- 72,059,532
- Total 13F shares
- 34,444,240
- Share change
- -224,549
- Total reported value
- $224,591,401
- Put/Call ratio
- 16%
- Price per share
- $6.52
- Number of holders
- 174
- Value change
- -$1,096,617
- Number of buys
- 95
- Number of sells
- 71
Report period
Q2 2025
Institutions
174
Top holders
10
SIGA full security history
Newer quarter: Q3 2025
Previous quarter: Q1 2025
SIGA TECHNOLOGIES INC SEC filings
SIGA TECHNOLOGIES INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 826917106
Recent filing periods:
Top shareholders of SIGA - SIGA TECHNOLOGIES INC - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13D/G
13F
|
Company |
4.7%
|
3,386,798
|
$21,946,451 | $0 | 31 Mar 2025 | |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC |
13F
|
Company |
4.4%
|
3,158,320
|
$17,307,594 | — | 31 Mar 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
3.5%
|
2,493,425
|
$13,663,969 | — | 31 Mar 2025 | |
| AltraVue Capital, LLC |
13F
|
Company |
3.3%
|
2,396,954
|
$13,135,308 | — | 31 Mar 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
3.3%
|
2,352,883
|
$12,893,787 | — | 31 Mar 2025 | |
| FIRST WILSHIRE SECURITIES MANAGEMENT INC |
13F
|
Company |
2.2%
|
1,586,849
|
$8,695,933 | — | 31 Mar 2025 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
1.9%
|
1,370,660
|
$7,511,217 | — | 31 Mar 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
1.6%
|
1,160,813
|
$6,361,255 | — | 31 Mar 2025 | |
| STATE STREET CORP |
13F
|
Company |
1.5%
|
1,107,427
|
$6,068,700 | — | 31 Mar 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1.5%
|
1,048,825
|
$5,748,606 | — | 31 Mar 2025 | |
| JUPITER ASSET MANAGEMENT LTD |
13F
|
Company |
1.4%
|
990,648
|
$5,428,751 | — | 31 Mar 2025 | |
| ROYCE & ASSOCIATES LP |
13F
|
Company |
1.1%
|
758,676
|
$4,157,544 | — | 31 Mar 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.87%
|
627,536
|
$3,438,897 | — | 31 Mar 2025 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
|
Company |
0.82%
|
593,273
|
$3,251,136 | — | 31 Mar 2025 | |
| NEW YORK STATE COMMON RETIREMENT FUND |
13F
|
Company |
0.82%
|
589,620
|
$3,231,118 | — | 31 Mar 2025 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
0.76%
|
547,855
|
$3,002,245 | — | 31 Mar 2025 | |
| GENERAL AMERICAN INVESTORS CO INC |
13F
|
Company |
0.75%
|
539,738
|
$2,957,764 | — | 31 Mar 2025 | |
| Legato Capital Management LLC |
13F
|
Company |
0.74%
|
532,441
|
$2,917,777 | — | 31 Mar 2025 | |
| Uniplan Investment Counsel, Inc. |
13F
|
Company |
0.7%
|
504,561
|
$2,764,999 | — | 31 Mar 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.65%
|
469,594
|
$2,573,375 | — | 31 Mar 2025 | |
| Foundry Partners, LLC |
13F
|
Company |
0.62%
|
447,783
|
$2,453,851 | — | 31 Mar 2025 | |
| DENALI ADVISORS LLC |
13F
|
Company |
0.54%
|
390,530
|
$2,140,104 | — | 31 Mar 2025 | |
| LSV ASSET MANAGEMENT |
13F
|
Company |
0.53%
|
380,988
|
$2,088,000 | — | 31 Mar 2025 | |
| FEDERATED HERMES, INC. |
13F
|
Company |
0.5%
|
360,970
|
$1,978,115 | — | 31 Mar 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.5%
|
360,784
|
$1,977,096 | — | 31 Mar 2025 | |
| MACQUARIE GROUP LTD |
13F
|
Company |
0.45%
|
321,173
|
$1,760,000 | — | 31 Mar 2025 | |
| SEGALL BRYANT & HAMILL, LLC |
13F
|
Company |
0.43%
|
312,700
|
$1,713,596 | — | 31 Mar 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.41%
|
292,859
|
$1,604,870 | — | 31 Mar 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.4%
|
290,433
|
$1,591,573 | — | 31 Mar 2025 | |
| LOS ANGELES CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.4%
|
285,597
|
$1,565,072 | — | 31 Mar 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.39%
|
283,196
|
$1,551,914 | — | 31 Mar 2025 | |
| VICTORY CAPITAL MANAGEMENT INC |
13F
|
Company |
0.39%
|
280,041
|
$1,534,625 | — | 31 Mar 2025 | |
| STATE OF WISCONSIN INVESTMENT BOARD |
13F
|
Company |
0.35%
|
254,702
|
$1,395,767 | — | 31 Mar 2025 | |
| HARBOR CAPITAL ADVISORS, INC. |
13F
|
Company |
0.31%
|
222,012
|
$1,217,000 | — | 31 Mar 2025 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
0.27%
|
198,029
|
$1,085,199 | — | 31 Mar 2025 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
0.25%
|
182,328
|
$999,157 | — | 31 Mar 2025 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
0.25%
|
178,845
|
$980,070 | — | 31 Mar 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.23%
|
166,861
|
$914,398 | — | 31 Mar 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.21%
|
148,721
|
$814,991 | — | 31 Mar 2025 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
0.2%
|
143,085
|
$784,105 | — | 31 Mar 2025 | |
| Invesco Ltd. |
13F
|
Company |
0.17%
|
120,774
|
$661,842 | — | 31 Mar 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.16%
|
114,147
|
$625,525 | — | 31 Mar 2025 | |
| AVIVA PLC |
13F
|
Company |
0.15%
|
105,861
|
$580,118 | — | 31 Mar 2025 | |
| SummerHaven Investment Management, LLC |
13F
|
Company |
0.13%
|
96,208
|
$527,220 | — | 31 Mar 2025 | |
| State of Wyoming |
13F
|
Company |
0.12%
|
87,203
|
$477,872 | — | 31 Mar 2025 | |
| MARTINGALE ASSET MANAGEMENT L P |
13F
|
Company |
0.12%
|
86,157
|
$472,141 | — | 31 Mar 2025 | |
| Swiss National Bank |
13F
|
Company |
0.12%
|
83,900
|
$459,772 | — | 31 Mar 2025 | |
| KLP KAPITALFORVALTNING AS |
13F
|
Company |
0.11%
|
81,200
|
$444,976 | — | 31 Mar 2025 | |
| FRANKLIN RESOURCES INC |
13F
|
Company |
0.1%
|
73,676
|
$403,744 | — | 31 Mar 2025 | |
| RHUMBLINE ADVISERS |
13F
|
Company |
0.09%
|
67,655
|
$370,737 | — | 31 Mar 2025 |
Institutional Holders of SIGA TECHNOLOGIES INC - Common Stock (SIGA) as of Q2 2025
As of 30 Jun 2025,
SIGA TECHNOLOGIES INC - Common Stock (SIGA) was held by
174 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
34,444,240 shares.
The largest 10 holders included
BlackRock, Inc., VANGUARD GROUP INC, AltraVue Capital, LLC, DIMENSIONAL FUND ADVISORS LP, HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC, AMERICAN CENTURY COMPANIES INC, CITADEL ADVISORS LLC, STATE STREET CORP, GEODE CAPITAL MANAGEMENT, LLC, and JUPITER ASSET MANAGEMENT LTD.
This page lists
175
institutional shareholders reporting positions in this security
for the Q2 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q2 2025 vs Q1 2025 Across Filers
Q1 2025 holders
162
Q2 2025 holders
174
Holder diff
12
| Investor | Q1 2025 Shares | Q2 2025 Shares | Share Diff | Share Chg % | Q1 2025 Value $ | Q2 2025 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.