Third Harmonic BioTHRD
13F holders, Q1 2025 (March 31)99holders +2
31new positions
29sold out
5famous investors
$3.47avg. 13F price*
At the end of Q1 2025, 99 institutions reported holding Third Harmonic Bio Inc. (THRD) in their 13F filings, up 2 from Q4 2024. 31 opened new positions and 29 sold out. The largest holders were Atlas Venture Life Science Advisors, LLC ($36.1M), Orbimed Advisors LLC ($20.1M) and BML Capital Management, LLC ($13.3M). 5 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Third Harmonic Bio Inc.
- CUSIP
- 88427A107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 31 | $23.4M |
| Exits | 29 | $149.8M |
All 13F filers, Q4 2024 → Q1 2025: 11,775,459 shares bought and 17,996,884 shares sold, net −6,221,425 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 99 holders
| Atlas Venture Life Science Advisors, LLC | 6.92% | No change | 10,402,286 | $36.1M |
| Orbimed Advisors LLC | 0.48% | No change | 5,779,071 | $20.1M |
| BML Capital Management, LLC | 10.74% | New | 3,824,417 | $13.3M |
| Nantahala Capital Management, LLC | 0.84% | Add +486.6% | 2,938,700 | $10.2M |
| TCG Crossover Management, LLC | 1.19% | No change | 2,505,424 | $8.7M |
| BVF Inc. | 0.34% | No change | 2,372,933 | $8.2M |
| BlackRock, Inc. | 0.00% | Add +0.1% | 1,479,618 | $5.1M |
| Vanguard Group Inc. | 0.00% | Add +12.6% | 1,159,600 | $4.0M |
| Tang Capital Management LLC | 0.18% | Add +519.8% | 929,727 | $3.2M |
| Newtyn Management, LLC | 0.35% | New | 635,150 | $2.2M |
| D. E. Shaw & Co. | 0.00% | Add +5112.1% | 573,334 | $2.0M |
| Geode Capital Management, LLC | 0.00% | Add +6.8% | 514,887 | $1.8M |
| State Street Corp. | 0.00% | Add +3.0% | 434,528 | $1.5M |
| Affinity Asset Advisors, LLC | 0.21% | New | 370,000 | $1.3M |
| Renaissance Technologies | 0.00% | Add +159.8% | 331,800 | $1.2M |
| Morgan Stanley | 0.00% | Add +97.1% | 319,391 | $1.1M |
| Rangeley Capital, LLC | 1.07% | New | 270,000 | $937K |
| JPMorgan Chase & Co. | 0.00% | Add +631.5% | 264,415 | $918K |
| Peapod Lane Capital LLC | 0.87% | New | 223,865 | $777K |
| Stonepine Capital Management, LLC | 0.72% | New | 212,783 | $738K |
| Northern Trust Corp. | 0.00% | Add +4.7% | 201,453 | $699K |
| 683 Capital Management, LLC | 0.08% | New | 200,000 | $694K |
| Charles Schwab Investment Management Inc. | 0.00% | Add +2.3% | 177,165 | $615K |
| Qube Research & Technologies Ltd | 0.00% | New | 159,374 | $553K |
| Goldman Sachs Group Inc. | 0.00% | Add +48.1% | 157,974 | $548K |
| Citadel Advisors | 0.00% | Add +27.4% | 135,774 | $471K |
| Squarepoint Ops LLC | 0.00% | Add +535.6% | 121,932 | $423K |
| BNP Paribas Financial Markets | 0.00% | Add +272.4% | 109,605 | $380K |
| Walleye Capital LLC | 0.00% | Add +111.3% | 102,257 | $355K |
| Ikarian Capital, LLC | 0.11% | No change | 100,000 | $347K |
| ADAR1 Capital Management, LLC | 0.07% | New | 100,000 | $347K |
| Dimensional Fund Advisors LP | 0.00% | Add +31.8% | 93,939 | $326K |
| FNY Investment Advisers, LLC | 0.20% | New | 91,052 | $315K |
| Bank of America Corp. | 0.00% | Add +105.1% | 84,685 | $294K |
| Vazirani Asset Management LLC | 1.10% | New | 83,449 | $290K |
| Cubist Systematic Strategies, LLC | 0.00% | New | 70,949 | $246K |
| Prelude Capital Management, LLC | 0.02% | New | 69,900 | $243K |
| Gsa Capital Partners LLP | 0.02% | New | 69,692 | $242K |
| Quadrature Capital Ltd | 0.00% | New | 56,145 | $195K |
| O'Brien Greene & Co. Inc | 0.07% | New | 56,000 | $194K |
| Millennium Management | 0.00% | Reduce -92.0% | 51,528 | $179K |
| UBS Group AG | 0.00% | Add +261.8% | 48,172 | $167K |
| Two Sigma Investments, LP | 0.00% | New | 48,029 | $167K |
| Bank of New York Mellon Corp | 0.00% | No change | 45,921 | $159K |
| Woodline Partners LP | 0.00% | New | 40,692 | $141K |
| STRS Ohio | 0.00% | No change | 39,400 | $137K |
| Verition Fund Management LLC | 0.00% | Add +250.4% | 39,390 | $137K |
| Nuveen, LLC | 0.00% | — | 37,246 | $129K |
| Takeda Pharmaceutical Co. Ltd. | 0.79% | No change | 36,835 | $128K |
| Barclays PLC | 0.00% | Reduce -17.6% | 35,031 | $122K |
| Kingswood Wealth Advisors, LLC | 0.01% | Add +7.7% | 33,500 | $116K |
| Susquehanna Fundamental Investments, LLC | 0.00% | New | 33,438 | $116K |
| Algert Global LLC | 0.00% | New | 31,980 | $111K |
| American Century Companies Inc. | 0.00% | Add +16.2% | 31,667 | $110K |
| Schonfeld Strategic Advisors LLC | 0.00% | Reduce -90.7% | 30,106 | $104K |
| BBR Partners, LLC | 0.01% | New | 30,000 | $104K |
| Boothbay Fund Management, LLC | 0.00% | No change | 29,350 | $102K |
| Susquehanna International Group, LLP | 0.00% | Add +67.6% | 28,188 | $98K |
| Rhumbline Advisers | 0.00% | Reduce -2.6% | 28,171 | $98K |
| HSBC Holdings PLC | 0.00% | Add +56.6% | 25,647 | $88K |
| Jane Street Group, LLC | 0.00% | Add +22.5% | 23,876 | $83K |
| AQR Capital Management | 0.00% | New | 21,962 | $76K |
| Deutsche Bank AG | 0.00% | Add +1.4% | 19,815 | $69K |
| Citigroup Inc. | 0.00% | Reduce -22.0% | 15,843 | $55K |
| Virtus Investment Advisers, LLC | 0.01% | New | 14,593 | $51K |
| Wells Fargo & Company | 0.00% | Add +13.1% | 13,156 | $46K |
| Alliancebernstein L.P. | 0.00% | No change | 11,930 | $41K |
| AlphaQuest LLC | 0.00% | Add +21.5% | 11,873 | $41K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +4.4% | 11,854 | $41K |
| Intech Investment Management LLC | 0.00% | New | 11,166 | $39K |
| Corebridge Financial, Inc. | 0.00% | Add +8.9% | 10,739 | $37K |
| SG Americas Securities, LLC | 0.00% | Reduce -12.3% | 10,574 | $37K |
| China Universal Asset Management Co., Ltd. | 0.00% | Reduce -5.4% | 9,038 | $31K |
| New York State Common Retirement Fund | 0.00% | No change | 5,976 | $21K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 3,986 | $14K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -20.4% | 3,941 | $14K |
| Federated Hermes, Inc. | 0.00% | New | 3,168 | $11K |
| Royal Bank of Canada | 0.00% | Reduce -51.3% | 2,925 | $10K |
| Meeder Asset Management Inc. | 0.00% | New | 2,083 | $7K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 2,017 | $7K |
| Legal & General Group Plc | 0.00% | No change | 1,954 | $7K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Add +0.4% | 1,508 | $5K |
| Atwood & Palmer Inc. | 0.00% | New | 1,500 | $5K |
| California State Teachers Retirement System | 0.00% | No change | 1,437 | $5K |
| GF Fund Management Co. LTD. | 0.00% | Add +18.2% | 1,118 | $4K |
| FMR LLC | 0.00% | Reduce -100.0% | 1,066 | $4K |
| PNC Financial Services Group, Inc. | 0.00% | Add +7.4% | 623 | $2K |
| Amalgamated Bank | 0.00% | No change | 665 | $2K |
| SBI Securities Co., Ltd. | 0.00% | Add +1800.0% | 570 | $2K |
| Sterling Capital Management LLC | 0.00% | Reduce -40.5% | 378 | $1K |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -93.5% | 291 | $1K |
| Daiwa Securities Group Inc. | 0.00% | No change | 149 | $1K |
| Cwm, LLC | 0.00% | Add +749.0% | 416 | $1K |
| Raffa Wealth Management, LLC | 0.00% | No change | 150 | $521 |
| CoreCap Advisors, LLC | 0.00% | New | 123 | $427 |
| Rothschild Investment LLC | 0.00% | New | 105 | $364 |
| Point72 (DIFC) Ltd | 0.00% | New | 82 | $285 |
| Russell Investments Group, Ltd. | 0.00% | Reduce -93.3% | 23 | $80 |
| Capital Advisors, Ltd. LLC | 0.00% | New | 1 | $0 |
"% of holder's portfolio" is THRD's weight in each manager's 13F, not the share of Third Harmonic Bio Inc. the manager owns.