Theriva Biologics, Inc. - Common stock (TOVX) Institutional Ownership

13F Institutional Holders and Ownership History from Q3 2024 to Q4 2025

Type / Class
Equity / Common stock
Symbol
TOVX on NYSE
Shares outstanding
9,600,143
Price per share
$0.19
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
1,295,504
Total reported value
$272,379
% of total 13F portfolios
0%
Share change
+858,452
Value change
+$158,821
Number of holders
20
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Theriva Biologics, Inc. - Common stock (TOVX) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Jeffrey Matthew Gryga Irrevocable Trust 7.7% $300,046 739,211 Jeffrey Matthew Gryga Irrevocable Trust 24 Oct 2025
Empery Asset Management, LP 5% -50% $201,636 -$179,638 504,091 -47% Empery Asset Management, LP 30 Sep 2025
CVI Investments, Inc. 4.9% $206,052 146,136 CVI Investments, Inc. 31 Dec 2024

As of 31 Dec 2025, 20 institutional investors reported holding 1,295,504 shares of Theriva Biologics, Inc. - Common stock (TOVX). This represents 13% of the company’s total 9,600,143 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Theriva Biologics, Inc. - Common stock (TOVX) together control 13% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
VANGUARD GROUP INC 2.7% 255,727 +1461% 0% $53,703
GEODE CAPITAL MANAGEMENT, LLC 2.2% 212,087 +652% 0% $44,622
MORGAN STANLEY 2.1% 200,000 0% $42,080
UBS Group AG 2% 191,410 +735% 0% $40,196
Ikarian Capital, LLC 1.2% 112,076 -6.6% 0% $23,580
TWO SIGMA SECURITIES, LLC 0.45% 42,893 0% $9,025
TWO SIGMA INVESTMENTS, LP 0.44% 42,337 -32% 0% $8,908
DRW Securities, LLC 0.43% 41,745 0% $8,783
XTX Topco Ltd 0.41% 39,445 +20% 0% $8,299
StoneX Group Inc. 0.39% 37,217 0% $7,830
BARCLAYS PLC 0.34% 32,569 0% $6,853
BANK OF AMERICA CORP /DE/ 0.32% 31,139 +38824% 0% $6,539
BOOTHBAY FUND MANAGEMENT, LLC 0.29% 27,646 -22% 0% $5,817
SCHWARZ DYGOS WHEELER INVESTMENT ADVISORS LLC 0.16% 15,000 0% $3,156
BlackRock, Inc. 0.08% 7,504 -0.03% 0% $1,579
CITIGROUP INC 0.06% 6,189 0% $1,302
OSAIC HOLDINGS, INC. 0% 445 +0.23% 0% $92
SBI Securities Co., Ltd. 0% 59 0% 0% $12
IFP Advisors, Inc 0% 11 0% 0% $2
Newbridge Financial Services Group, Inc. 0% 5 0% $1
Virtu Financial LLC 0% 0 -100% $0
TWO SIGMA ADVISERS, LP 0% 0 -100% $0
HRT FINANCIAL LP 0% 0 -100% $0
JANE STREET GROUP, LLC 0% 0 -100% $0
Wealthspire Advisors, LLC 0% 0 -100% $0

Institutional Holders of Theriva Biologics, Inc. - Common stock (TOVX) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 1,295,504 $272,379 +$158,821 $0.21 20
2025 Q3 437,052 $177,030 +$57,424 $0.41 18
2025 Q2 291,012 $126,275 +$38,331 $0.43 15
2025 Q1 190,681 $209,751 +$165,878 $1.10 10
2024 Q4 34,470 $60,323 -$627,703 $1.75 9
2024 Q3 491,424 $677,871 +$471,525 $1.38 16