Third Harmonic Bio Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top 25 shareholders own 100.88% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
26.8%	Atlas Venture L.P.	10,907,859	US$131.5m	0%	13.8%
14.2%	OrbiMed Advisors LLC	5,779,071	US$69.7m	0%	0.93%
10.7%	BVF Partners L.P.	4,365,933	US$52.7m	0%	1.27%
7.81%	EcoR1 Capital, LLC	3,182,444	US$38.4m	6.71%	1.18%
7.26%	General Atlantic Service Company, L.P.	2,958,762	US$35.7m	0%	0.56%
6.48%	Novartis AG	2,642,762	US$31.9m	0%	no data
4.99%	RA Capital Management, L.P.	2,033,056	US$24.5m	111%	0.32%
3.34%	BlackRock, Inc.	1,362,292	US$16.4m	-1.94%	no data
3.23%	Braidwell LP	1,316,018	US$15.9m	-20.4%	1.15%
2.99%	Natalie Holles	1,218,836	US$14.7m	0%	no data
2.09%	The Vanguard Group, Inc.	851,392	US$10.3m	1.37%	no data
1.84%	Tavistock Life Sciences	750,000	US$9.0m	44.1%	0.52%
1.73%	Commodore Capital LP	706,706	US$8.5m	-58.4%	0.56%
1.07%	JPMorgan Chase & Co, Brokerage and Securities Investments	434,170	US$5.2m	-56.6%	no data
0.98%	Geode Capital Management, LLC	400,693	US$4.8m	11%	no data
0.89%	Citadel Advisors LLC	363,028	US$4.4m	0%	no data
0.87%	Stephen Yoo	353,735	US$4.3m	0%	no data
0.81%	State Street Global Advisors, Inc.	330,102	US$4.0m	18.7%	no data
0.64%	Invesco Capital Management LLC	259,228	US$3.1m	0%	no data
0.4%	Howard Davis	163,467	US$2.0m	0%	no data
0.4%	Sio Capital Management, LLC	163,363	US$2.0m	0%	0.72%
0.39%	Northern Trust Global Investments	159,604	US$1.9m	3.56%	no data
0.37%	Adage Capital Management, L.P.	152,027	US$1.8m	-20.8%	no data
0.32%	Charles Schwab Investment Management, Inc.	130,605	US$1.6m	1.83%	no data
0.32%	Mark Iwicki	128,630	US$1.6m	0%	no data