Delisting risk
Theriva Biologics
Develops stroma-degrading oncolytic viruses for difficult-to-treat solid tumors.
$0.2500
After-hours close+0.01 (+2.17%)
At close$0.2447(−3.09%)
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Breakdown13F · Form 4
Institutions 4.28%Insiders —
Shares outstanding 45.89M · Float 45.14M · 98.4% free float
Institutions13F, as of Mar 31, 2026
20 holders · 1.97M shares · 4 new positions · 9 increased · 5 reduced · 4 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Geode Capital Management, LLC | 450.3K | 0.98% | +238.2K | May 15, 2026 |
| Virtu Financial LLC | 253.2K | 0.55% | +253.2K | May 14, 2026 |
| Vanguard Fiduciary Trust Co | 241.8K | 0.53% | +241.8Knew | May 8, 2026 |
| UBS Group AG | 225.6K | 0.49% | +34.2K | May 5, 2026 |
| Vanguard Capital Management LLC | 192.4K | 0.42% | +192.4Knew | May 15, 2026 |
| Jane Street Group, LLC | 177.0K | 0.39% | +177.0K | May 12, 2026 |
| Ikarian Capital, LLC | 112.1K | 0.24% | 0 | May 15, 2026 |
| Two Sigma Securities, LLC | 105.2K | 0.23% | +62.3K | May 15, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Heights Capital Management, Inc.incl. CVI Investments, Inc. | 9.90% | 13G | Oct 2, 2024 ↗ | |
| Jeffrey Matthew Gryga Irrevocable Trust | 7.70% | 739.2K | 13G | Nov 10, 2025 ↗ |
InsidersForm 4
Latest trades
Nothing filed in the last 12 months.
CongressHouse and Senate disclosures
Not reported.