Institutional Ownership
Theriva Biologics Inc
CUSIP 87164U508COM NEWTOVXQ1 2026
13D / 13G Filings
6
Schedule 13D/13G on record
Beneficial Filers
4
Distinct reporting persons
Largest Stake
10.0%
Max % of class reported
Institutional Holders
20
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
6 filings · latest Nov 10, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Nov 10, 2025 | Jeffrey Matthew Gryga Irrevocable Trust | 13G | 7.7% | 739.2K | SEC |
| 2 | Oct 21, 2025 | Empery Asset Management, LP | 13G/A | 5.0% | 504.1K | SEC |
| 3 | Jul 31, 2025 | Empery Asset Management, LP | 13G | 10.0% | 953.2K | SEC |
| 4 | Feb 7, 2025 | Cvi Investments, Inc. | 13G/A | 4.9% | 146.1K | SEC |
| 5 | Oct 3, 2024 | Intracoastal Capital, LLC | 13G | 5.0% | 118.5K | SEC |
| 6 | Oct 2, 2024 | Cvi Investments, Inc. | 13G | 9.9% | 232.2K | SEC |
Top Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Geode Capital Management, LLC | 450.3K | $88.2K |
| 2 | Ubs Group AG | 225.6K | $44.2K |
| 3 | Jane Street Group, LLC | 177.0K | $34.7K |
| 4 | Ikarian Capital, LLC | 112.1K | $21.9K |
| 5 | Two Sigma Securities, LLC | 105.2K | $20.6K |
| 6 | Xtx Topco Ltd | 94.6K | $18.5K |
| 7 | Boothbay Fund Management, LLC | 27.6K | $5.4K |
| 8 | Morgan Stanley | 23.6K | $4.6K |
| 9 | Stonex Group Inc. | 22.3K | $4.4K |
| 10 | Two Sigma Investments, LP | 15.4K | $3.0K |