Security Snapshot

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

CUSIP: 87164U508

13F Institutional Holders and Ownership History from Q3 2024 to Q2 2026

Latest Period

Q2 2026

Institutions Reporting

24

Shares (Excl. Options)

1,980,374

Price

$0.25

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
+14,662
Value change
+$4,553
Number of holders
24
Issuer context Names, identifiers, and filing context for this profile. 2 identity fields
Shares outstanding
9,600,143
SEC-reported price per share
$0.22
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • TOVX - Theriva Biologics, Inc. - Common stock is tracked under CUSIP 87164U508.
  • 24 institutions reported positions in Q2 2026.
  • 3 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 19 to 24 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from $385,351 to $495,531.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 24 institutions filings for Q2 2026.

Open SEC evidence

Security key

87164U508

Latest holder period

Q2 2026

13F holders

24

13D/G owners

3

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
3
Security
TOVX
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 30 Jun 2026, 24 institutional investors reported holding 1,980,374 shares of Theriva Biologics, Inc. - Common stock (TOVX). This represents 21% of the company’s total 9,600,143 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
21%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
VANGUARD CAPITAL MANAGEMENT LLC 5.1% 486,179 +153% 0% $121,545
JANE STREET GROUP, LLC 3.5% 331,922 +87% 0% $83,047
GEODE CAPITAL MANAGEMENT, LLC 3.1% 294,021 -35% 0% $73,563
VANGUARD FIDUCIARY TRUST CO 2.5% 241,780 0% 0% $60,445
Ikarian Capital, LLC 1.2% 112,076 0% 0% $28,041
Virtu Financial LLC 0.91% 87,138 -66% 0% $22,000
NORTHERN TRUST CORP 0.86% 82,700 0% $20,692
RENAISSANCE TECHNOLOGIES LLC 0.66% 63,710 0% $15,940
UBS Group AG 0.64% 61,053 -73% 0% $15,264
XTX Topco Ltd 0.56% 53,868 -43% 0% $13,478
Ground Swell Capital, LLC 0.37% 35,292 0.01% $8,830
BOOTHBAY FUND MANAGEMENT, LLC 0.29% 27,646 0% 0% $6,917
SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.25% 24,064 0% $6,021
MORGAN STANLEY 0.21% 20,299 -14% 0% $5,079
TWO SIGMA SECURITIES, LLC 0.21% 19,748 -81% 0% $4,941
TWO SIGMA INVESTMENTS, LP 0.16% 15,456 +0.1% 0% $3,867
SCHWARZ DYGOS WHEELER INVESTMENT ADVISORS LLC 0.16% 15,000 0% 0% $3,753
BlackRock, Inc. 0.08% 7,504 0% 0% $1,878
OSAIC HOLDINGS, INC. 0% 441 0% 0% $110
SBI Securities Co., Ltd. 0% 358 +173% 0% $90
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO 0% 100 0% $25
IFP Advisors, Inc 0% 11 0% 0% $3
NFSG Corp 0% 5 0% 0% $1
BARCLAYS PLC 0% 3 0% $1
StoneX Group Inc. 0% 0 -100% $0

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
8
Latest
Q2 2026
Rows shown
1-8 of 8
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q2 1,980,374 $495,531 +$4,553 $0.25 24
2026 Q1 1,965,271 $385,351 +$95,191 $0.20 19
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
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