Security key
88427A107
THIRD HARMONIC BIO, INC. - Common Stock, par value $0.0001 per share (THRD)
CUSIP: 88427A107
Q3 2026 13F Holders as of 30 Sep 2026
- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Total 13F shares
- 458
- Total 13F value
- $2,464
- Share change
- 0
- SEC-reported price per share
- $5.38
- Number of holders
- 1
- Shares outstanding
- 45,416,671
Holder snapshot
3 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2026
Institutions
1
Top holders
1
THRD full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q2 2026
Third Harmonic Bio, Inc. SEC filings
Third Harmonic Bio, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 88427A107
Recent filing periods:
Ownership snapshot
Top reported holders of THRD - THIRD HARMONIC BIO, INC. - Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BML Investment Partners, ...
Disclosed value leader
Atlas Venture Fund XI, L.P.
Comparable rows
1/15
Latest evidence
30 Jun 2026
13D/G
3/4/5
13F
Lead comparable stake: 8.2%
14 rows are not safely comparable across share classes.
13D/G row: BML Investment Partners, L.P.
Showing 1-6 of 15 holder rows.
Quick read
BML Investment Partners, L.P. leads the comparable SEC ownership view at 8.2%.
1 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BML Investment Partners, L.P.'s linked filing trail.
Comparable ownership
Top 1
BML Investment Partners, L.P.
8.2%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BML Investment Partners, L.P. |
13D/G
|
8.2%
Reported 13D/G
· 11 Feb 2025
|
$19,179,460
3,724,167 shares
|
$0 | 11 Feb 2025 |
| Atlas Venture Fund XI, L.P. |
3/4/5
10%+ Owner
|
—
denominator unverified
|
$140,112,473
9,798,075 shares
|
— | 01 Nov 2024 |
| ORBIMED ADVISORS LLC |
3/4/5
Director, 10%+ Owner
|
—
denominator unverified
|
$59,522,120
5,779,071 shares
|
— | 19 Sep 2022 |
| BVF PARTNERS L P/IL |
3/4/5
Other*
|
—
denominator unverified
|
$2,526,696
176,692 shares
|
— | 29 Oct 2024 |
| Natalie C. Holles |
3/4/5
CEO, Director
|
—
mixed-class rows
|
$750,000
400,000 shares
mixed-class rows
|
— | 11 Aug 2025 |
| Christopher M. Murphy |
3/4/5
Chief Financial & Bus. Officer
|
—
mixed-class rows
|
$450,000
140,000 shares
mixed-class rows
|
— | 11 Aug 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
1
Shares
458
Rows available
1
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2026 vs Q2 2026 Across Filers
Q2 2026 holders
2
Q3 2026 holders
1
Holder diff
-1
| Investor | Q2 2026 Shares | Q3 2026 Shares | Share Diff | Share Chg % | Q2 2026 value | Q3 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend