TOVX · Theriva Biologics, Inc. · Shareholders & Ownership
Substantial doubt about the company's ability to continue as a going concern.
“Management has evaluated whether there are conditions and events, considered in the aggregate, that raise substantial doubt about the Company's ability to continue as a going concern within one year after the date that these financial statements are issued. The Company's ability to continue as a going concern is dependent upon the Company's ability to raise additional debt and equity capital or secure a potential license or strategic relationship that can help fund its clinical development activities. There can be no assurance that such capital will be available in sufficient amounts or on terms acceptable to the Company. These factors raise substantial doubt about the Company's ability to continue as a going concern.”View the 10-Q filed Aug 11, 2026
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Every disclosed holder of TOVX in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.
Who Owns TOVX
13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 2,018,324 | 4.40% |
| Insiders (Forms 3, 4, 5) | 0 | 0.00% |
| 13D/G-only blocks | 1,389,438 | 3.03% |
| Remaining | 42,484,906 | 92.57% |
| Registered funds (N-PORT, not summed) | 759,226 | 1.65% |
Shares outstanding: 45,892,668, the issuer's latest cover-page count restated onto today's split basis.
13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.
Holders of TOVX
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
Jeffrey Matthew Gryga Irrevocable Trust
13G
CIK 2096075 · Unknown · Oct 24, 2025
Rule 13d-1(c), passive investor
|
739,211 | ||
| 2 |
Empery Asset Management, LP
13G
CIK 1469336 · Registered investment adviser · Sep 30, 2025
Rule 13d-1(b), qualified institution
|
504,091 | ||
| 3 |
VANGUARD CAPITAL MANAGEMENT LLC
13F
CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
486,179 | ||
| 4 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
486,179 | ||
| 5 |
JANE STREET GROUP, LLC
13F
CIK 1595888 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
331,922 | ||
| 6 |
GEODE CAPITAL MANAGEMENT, LLC
13F
CIK 1214717 · Registered investment adviser · Sep 30, 2026
|
299,138 | ||
| 7 |
Fidelity Extended Market Index Fund
Fund
S000006021 · Registered fund · Aug 31, 2026
Fidelity Concord Street Trust, not summed
|
246,946 | ||
| 8 |
VANGUARD FIDUCIARY TRUST CO
13F
CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
241,780 | ||
| 9 |
|
146,136 | ||
| 10 |
Ikarian Capital, LLC
13F
CIK 1778253 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
112,076 | ||
| 11 |
Virtu Financial LLC
13F
CIK 1533964 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
87,138 | ||
| 12 |
NORTHERN TRUST CORP
13F
CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
82,700 | ||
| 13 |
RENAISSANCE TECHNOLOGIES LLC
13F
CIK 1037389 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
63,710 | ||
| 14 |
|
61,053 | ||
| 15 |
XTX Topco Ltd
13F
CIK 1828301 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
53,868 | ||
| 16 |
Ground Swell Capital, LLC
13F
CIK 1534450 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
35,292 | ||
| 17 |
StoneX Group Inc.
13F
CIK 913760 · Unknown · Sep 30, 2026
|
32,106 | ||
| 18 |
BOOTHBAY FUND MANAGEMENT, LLC
13F
CIK 1549230 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
27,646 | ||
| 19 |
Fidelity Series Total Market Index Fund
Fund
S000065248 · Registered fund · Aug 31, 2026
Fidelity Concord Street Trust, not summed
|
26,070 | ||
| 20 |
SUSQUEHANNA INTERNATIONAL GROUP, LLP
13F
CIK 1446194 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
24,064 | ||
| 21 |
MORGAN STANLEY
13F
CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
20,299 | ||
| 22 |
TWO SIGMA SECURITIES, LLC
13F
CIK 1450144 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
19,748 | ||
| 23 |
TWO SIGMA INVESTMENTS, LP
13F
CIK 1179392 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
15,456 | ||
| 24 |
SCHWARZ DYGOS WHEELER INVESTMENT ADVISORS LLC
13F
CIK 1794153 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
15,000 | ||
| 25 |
BlackRock, Inc.
13F
CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
7,504 | ||
| 26 |
SBI Securities Co., Ltd.
13F
CIK 1851815 · Non-US institution · Sep 30, 2026
|
1,083 | ||
| 27 |
OSAIC HOLDINGS, INC.
13F
CIK 1677044 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
441 | ||
| 28 |
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO
13F
CIK 1141802 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
100 | ||
| 29 |
Blackstone Alternative Multi-Strategy Fund
Fund
S000045538 · Registered fund · Jun 30, 2026
Blackstone Alternative Investment Funds, not summed
|
31 | ||
| 30 |
IFP Advisors, Inc
13F
CIK 1641866 · Registered investment adviser · Sep 30, 2026
|
11 | ||
| 31 |
NFSG Corp
13F
CIK 1879757 · Registered investment adviser · Sep 30, 2026
|
5 | ||
| 32 |
BARCLAYS PLC
13F
CIK 312069 · Bank · Sep 30, 2026
|
3 | ||
| 33 |
|
1 | ||
| 34 |
ROYAL BANK OF CANADA
13F
CIK 1000275 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1 |
Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.