Third Harmonic Bio, Inc.

THRDDelisted Jul 31, 2025

Industry: Pharmaceutical Preparations
SEC CIK: 0001923840

SEC filings (opens in a new tab)

Third Harmonic Bio, Inc. was delisted on Jul 31, 2025; its insiders filed their last Form 4 on Aug 14, 2025; 107 institutions reported holding it in 13F filings for Q2 2025, worth $210.2M in total; no superinvestor held it.

Key figures

Market cap: –; Not available
Insider buys: 0; Open market, last 90 days
Insider sells: 0; Open market, last 90 days
13F holders: 107; Q2 2025, +7 vs. previous quarter
13F value: $210.2M; Reported value at the end of Q2 2025
Superinvestors holding: 0; At the end of Q2 2025

Financials

See financial statements

From SEC filings, in USD.

Revenue, FY2024: –; No comparable prior period
Net income, FY2024: -$45.5M; No comparable prior period
Free cash flow, FY2024: -$34.5M; No comparable prior period
Revenue, Q1 FY2025: –; No comparable prior period

Superinvestors holding THRD, Q2 2025

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No superinvestor reported holding THRD at the end of Q2 2025.

Latest insider trades

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Open-market purchases and sales by Third Harmonic Bio, Inc. insiders from Form 4, newest first.

Insider trades
Filed (ET)	Trade date	Filing delay	Insider	Transaction	Shares	Avg price	Value	Holding change	Flags
Nov 12, 2024 (view filing)	Nov 8	4 days	Conner Edward R.Chief Medical Officer	SSale	−2.12K	$15.00	−$31.8K	−100.0%0 after	10b5-1
Oct 31, 2024 (view filing)5:53 PM ET	Oct 29	2 days	Biotechnology Value Fund L P and 9 othersOther: See Explanation of Responses	SSale	−1.00M	$14.30	−$14.3M	−85.0%176.7K after	3 lots
Oct 30, 2024 (view filing)	Oct 28	2 days	Conner Edward R.Chief Medical Officer	SSale	−2.67K	$15.00	−$40.1K	−100.0%0 after	10b5-1
Sep 20, 2024 (view filing)	Sep 19	1 day	Conner Edward R.Chief Medical Officer	SSale	−4.79K	$15.00	−$71.8K	−100.0%0 after	10b5-1
Sep 20, 2024 (view filing)	Sep 18-19	2 days	Person JulieCHIEF ADMINISTRATIVE OFFICER	SSale	−10.0K	$14.28	−$142.8K	−100.0%0 after	2 lots10b5-1
Jun 28, 2024 (view filing)	Jun 26	2 days	Person JulieCHIEF ADMINISTRATIVE OFFICER	SSale	−10.0K	$12.46	−$124.6K	−100.0%0 after	10b5-1
Jun 10, 2024 (view filing)	Jun 7	3 days	Dittman JenniferChief Development Oper Officer	SSale	−494	$14.17	−$7.00K	−100.0%0 after	10b5-1
May 22, 2024 (view filing)	May 20	2 days	Dittman JenniferChief Development Oper Officer	SSale	−1.04K	$14.00	−$14.6K	−100.0%0 after	10b5-1
May 20, 2024 (view filing)	May 16	4 days	Dittman JenniferChief Development Oper Officer	SSale	−23.6K	$14.04	−$331.0K	−100.0%0 after	10b5-1
May 10, 2024 (view filing)	May 9	1 day	Holles Natalie C.CEO	SSale	−20.2K	$12.18	−$246.3K	−1.6%1.22M after	10b5-1

Top 10 13F holders, Q2 2025

See all 107 holders

The largest institutional positions in Third Harmonic Bio, Inc. at the end of Q2 2025; share changes are against Q1 2025.

Institutions holding THRD in Q2 2025
Institution	Shares	Value	% of portfolio	Change in shares	Action
Atlas Venture Life Science Advisors, LLC	10,402,286	$56.5M	8.53%	00.0%	Unchanged
OrbiMed Advisors LLC	5,779,071	$31.4M	0.79%	00.0%	Unchanged
BML Capital Management, LLC	3,824,417	$20.8M	15.91%	00.0%	Unchanged
Nantahala Capital Management, LLC	2,938,700	$16.0M	1.13%	00.0%	Unchanged
TCG Crossover Management, LLC	1,915,424	$10.4M	1.19%	−590,000−23.5%	Reduced
BlackRock, Inc.	1,726,614	$9.38M	0.00%	+246,996+16.7%	Added
Vanguard Group Inc	1,298,089	$7.05M	0.00%	+138,489+11.9%	Added
D. E. Shaw & Co., Inc.	1,250,680	$6.79M	0.01%	+677,346+118.1%	Added
Tang Capital Management LLC	929,727	$5.05M	0.26%	00.0%	Unchanged
Schonfeld Strategic Advisors LLC	770,800	$4.19M	0.03%	+740,694+2,460.3%	Added

Holders of 5% or more of THRD

See all 1 holders and filings

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Third Harmonic Bio, Inc..

Largest holders of THRD from 13D and 13G filings
Holder	Latest form	Stake	Change	First filed	Latest filing	Filing
BML Investment Partners, L.P.	13G	8.20%3.72M shares	New	Feb 14, 20251 filing	Feb 14, 2025	SEC