Security key
826917106
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 33,989,722
- Total 13F value
- $310,956,481
- Share change
- -466,233
- Put/Call ratio
- 31%
- SEC-reported price per share
- $9.15
- Number of holders
- 195
- Value change
- -$1,812,025
- Number of buys
- 103
- Number of sells
- 73
- Shares outstanding
- 72,059,532
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2025
Institutions
195
Top holders
10
SIGA full security history
Ownership snapshot
Full 13F holder table
SIGA TECHNOLOGIES INC SEC filings
SIGA TECHNOLOGIES INC company facts
Broader feeds
Ownership snapshot
Top reported holders of SIGA - SIGA TECHNOLOGIES INC - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
30 Jun 2025
13F
13D/G
Lead comparable stake: 4.7%
13D/G row: BlackRock, Inc.
Showing 1-6 of 15 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 4.7%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
4.7%
VANGUARD GROUP INC
3.5%
AltraVue Capital, LLC
3.5%
DIMENSIONAL FUND ADVISORS LP
3.3%
HOTCHKIS & WILEY CAPITAL MANAGEME...
2.9%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
4.7%
from 13D/G
|
$23,654,326
3,627,964 shares
|
— | 30 Jun 2025 |
| VANGUARD GROUP INC |
13F
Company
|
3.5%
|
$16,390,667
2,513,906 shares
|
— | 30 Jun 2025 |
| AltraVue Capital, LLC |
13F
Company
|
3.5%
|
$16,307,459
2,501,144 shares
|
— | 30 Jun 2025 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
3.3%
|
$15,696,505
2,407,479 shares
|
— | 30 Jun 2025 |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC |
13F
Company
|
2.9%
|
$13,481,795
2,067,760 shares
|
— | 30 Jun 2025 |
| AMERICAN CENTURY COMPANIES INC |
13F
Company
|
2%
|
$9,161,737
1,405,174 shares
|
— | 30 Jun 2025 |
How to read this table
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.
13F holder rows
Institutional holders as of Q3 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
195
Shares
33,989,722
Rows available
195
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
174
Q3 2025 holders
195
Holder diff
21
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 value | Q3 2025 value | Value change | Value Chg % |
|---|