Third Harmonic BioTHRD
13F holders, Q2 2025 (June 30)106holders +7
27new positions
21sold out
4famous investors
$5.43avg. 13F price*
At the end of Q2 2025, 106 institutions reported holding Third Harmonic Bio Inc. (THRD) in their 13F filings, up 7 from Q1 2025. 27 opened new positions and 21 sold out. The largest holders were Atlas Venture Life Science Advisors, LLC ($56.5M), Orbimed Advisors LLC ($31.4M) and BML Capital Management, LLC ($20.8M). 4 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- Third Harmonic Bio Inc.
- CUSIP
- 88427A107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 27 | $14.1M |
| Exits | 21 | $15.0M |
All 13F filers, Q1 2025 → Q2 2025: 5,436,101 shares bought and 5,461,798 shares sold, net −25,697 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 106 holders
| Atlas Venture Life Science Advisors, LLC | 8.53% | No change | 10,402,286 | $56.5M |
| Orbimed Advisors LLC | 0.79% | No change | 5,779,071 | $31.4M |
| BML Capital Management, LLC | 15.91% | No change | 3,824,417 | $20.8M |
| Nantahala Capital Management, LLC | 1.13% | No change | 2,938,700 | $16.0M |
| TCG Crossover Management, LLC | 1.19% | Reduce -23.6% | 1,915,424 | $10.4M |
| BlackRock, Inc. | 0.00% | Add +16.7% | 1,726,614 | $9.4M |
| Vanguard Group Inc. | 0.00% | Add +11.9% | 1,298,089 | $7.0M |
| D. E. Shaw & Co. | 0.01% | Add +118.1% | 1,250,680 | $6.8M |
| Tang Capital Management LLC | 0.26% | No change | 929,727 | $5.0M |
| Schonfeld Strategic Advisors LLC | 0.03% | Add +2460.3% | 770,800 | $4.2M |
| ADAR1 Capital Management, LLC | 0.56% | Add +522.9% | 622,873 | $3.4M |
| Geode Capital Management, LLC | 0.00% | Add +12.1% | 577,190 | $3.1M |
| DLD Asset Management, LP | 1.32% | New | 503,841 | $2.7M |
| State Street Corp. | 0.00% | Add +7.9% | 468,994 | $2.5M |
| OMERS ADMINISTRATION Corp | 0.02% | New | 426,900 | $2.3M |
| Affinity Asset Advisors, LLC | 0.31% | No change | 370,000 | $2.0M |
| Alpine Global Management, LLC | 0.47% | New | 334,481 | $1.8M |
| Yakira Capital Management, Inc. | 0.59% | New | 293,633 | $1.6M |
| Rangeley Capital, LLC | 2.05% | Add +7.4% | 290,000 | $1.6M |
| Morgan Stanley | 0.00% | Reduce -14.7% | 272,473 | $1.5M |
| GABELLI & Co INVESTMENT ADVISERS, INC. | 0.21% | New | 251,681 | $1.4M |
| Alberta Investment Management Corp | 0.01% | New | 239,389 | $1.3M |
| Vazirani Asset Management LLC | 4.68% | Add +170.2% | 225,500 | $1.2M |
| Goldman Sachs Group Inc. | 0.00% | Add +40.0% | 221,090 | $1.2M |
| 683 Capital Management, LLC | 0.12% | No change | 200,000 | $1.1M |
| LMR Partners LLP | 0.02% | New | 200,000 | $1.1M |
| Northern Trust Corp. | 0.00% | Reduce -1.9% | 197,549 | $1.1M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +4.9% | 185,797 | $1.0M |
| Citadel Advisors | 0.00% | Reduce -11.0% | 120,870 | $656K |
| FNY Investment Advisers, LLC | 0.24% | Add +9.9% | 100,100 | $543K |
| Qube Research & Technologies Ltd | 0.00% | Reduce -39.1% | 97,024 | $527K |
| JPMorgan Chase & Co. | 0.00% | Reduce -63.9% | 95,538 | $519K |
| Dimensional Fund Advisors LP | 0.00% | No change | 93,939 | $510K |
| Prelude Capital Management, LLC | 0.04% | Add +9.9% | 76,822 | $417K |
| Cubist Systematic Strategies, LLC | 0.00% | Add +7.8% | 76,461 | $415K |
| Wellington Management Group LLP | 0.00% | New | 75,658 | $411K |
| AQR Capital Management | 0.00% | Add +235.3% | 73,646 | $400K |
| BNP Paribas Financial Markets | 0.00% | Reduce -32.9% | 73,526 | $399K |
| Millennium Management | 0.00% | Add +15.2% | 59,360 | $322K |
| Two Sigma Investments, LP | 0.00% | Add +22.5% | 58,829 | $319K |
| Barclays PLC | 0.00% | Add +62.4% | 56,905 | $309K |
| Bank of New York Mellon Corp | 0.00% | Add +16.2% | 53,358 | $290K |
| UBS Group AG | 0.00% | Add +8.5% | 52,256 | $284K |
| Martingale Asset Management L P | 0.01% | New | 51,113 | $278K |
| Squarepoint Ops LLC | 0.00% | Reduce -58.1% | 51,099 | $277K |
| Fifth Lane Capital, LP | 0.33% | New | 50,000 | $272K |
| STRS Ohio | 0.00% | Add +7.6% | 42,400 | $230K |
| Takeda Pharmaceutical Co. Ltd. | 1.02% | No change | 36,835 | $200K |
| Susquehanna International Group, LLP | 0.00% | Add +26.2% | 35,583 | $193K |
| American Century Companies Inc. | 0.00% | Add +8.3% | 34,299 | $186K |
| Bank of America Corp. | 0.00% | Reduce -59.6% | 34,230 | $186K |
| Rhumbline Advisers | 0.00% | Add +19.5% | 33,672 | $183K |
| Susquehanna Fundamental Investments, LLC | 0.00% | Reduce -4.9% | 31,785 | $173K |
| PDT Partners, LLC | 0.01% | New | 30,118 | $164K |
| Nuveen, LLC | 0.00% | Reduce -24.9% | 27,963 | $152K |
| HSBC Holdings PLC | 0.00% | Add +8.2% | 27,758 | $151K |
| Occudo Quantitative Strategies LP | 0.02% | New | 26,994 | $147K |
| Walleye Capital LLC | 0.00% | Reduce -76.3% | 24,275 | $132K |
| Alliancebernstein L.P. | 0.00% | Add +74.6% | 20,830 | $113K |
| Periscope Capital Inc. | 0.04% | New | 20,000 | $109K |
| Deutsche Bank AG | 0.00% | No change | 19,815 | $108K |
| Graham Capital Management, L.P. | 0.00% | New | 17,112 | $93K |
| MetLife Investment Management, LLC | 0.00% | New | 16,859 | $92K |
| Wells Fargo & Company | 0.00% | Add +22.5% | 16,118 | $88K |
| Royal Bank of Canada | 0.00% | Add +436.7% | 15,699 | $85K |
| Intech Investment Management LLC | 0.00% | Add +39.5% | 15,578 | $85K |
| Farallon Capital Management, L.L.C. | 0.00% | New | 15,361 | $83K |
| XTX Topco Ltd | 0.00% | New | 14,703 | $80K |
| Citigroup Inc. | 0.00% | Reduce -10.2% | 14,220 | $77K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +11.5% | 13,214 | $72K |
| T. Rowe Price Associates Inc. | 0.00% | New | 11,811 | $65K |
| AlphaQuest LLC | 0.01% | No change | 11,873 | $64K |
| China Universal Asset Management Co., Ltd. | 0.00% | Add +0.3% | 9,064 | $49K |
| CSS LLC | 0.01% | New | 7,000 | $38K |
| New York State Common Retirement Fund | 0.00% | No change | 5,976 | $32K |
| Cwm, LLC | 0.00% | Add +1077.2% | 4,897 | $27K |
| FMR LLC | 0.00% | Add +313.3% | 4,406 | $24K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 3,986 | $22K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -0.9% | 3,907 | $21K |
| Nisa Investment Advisors, LLC | 0.00% | Add +1076.3% | 3,423 | $19K |
| Legal & General Group Plc | 0.00% | Add +18.9% | 2,323 | $13K |
| Meeder Asset Management Inc. | 0.00% | No change | 2,083 | $11K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 2,017 | $11K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Add +15.6% | 1,743 | $9K |
| Versant Capital Management, Inc | 0.00% | New | 1,595 | $9K |
| Atwood & Palmer Inc. | 0.00% | No change | 1,500 | $8K |
| California State Teachers Retirement System | 0.00% | No change | 1,437 | $8K |
| PNC Financial Services Group, Inc. | 0.00% | Add +112.7% | 1,325 | $7K |
| GF Fund Management Co. LTD. | 0.00% | No change | 1,118 | $6K |
| Point72 (DIFC) Ltd | 0.00% | Add +985.4% | 890 | $5K |
| Amalgamated Bank | 0.00% | No change | 665 | $4K |
| Sterling Capital Management LLC | 0.00% | Add +65.3% | 625 | $3K |
| Russell Investments Group, Ltd. | 0.00% | Add +1069.6% | 269 | $1K |
| Rothschild Investment LLC | 0.00% | Add +142.9% | 255 | $1K |
| True Wealth Design, LLC | 0.00% | New | 211 | $1K |
| Physician Wealth Advisors, Inc. | 0.00% | New | 195 | $1K |
| Daiwa Securities Group Inc. | 0.00% | No change | 149 | $1K |
| Raffa Wealth Management, LLC | 0.00% | No change | 150 | $815 |
| Rise Advisors, LLC | 0.00% | New | 144 | $782 |
| GAMMA Investing LLC | 0.00% | New | 105 | $570 |
| Group One Trading LLC | 0.00% | New | 100 | $543 |
| Fortitude Family Office, LLC | 0.00% | New | 97 | $527 |
| Essential Partners LLC | 0.00% | — | 73 | $396 |
| EverSource Wealth Advisors, LLC | 0.00% | New | 50 | $272 |
| SBI Securities Co., Ltd. | 0.00% | Reduce -96.5% | 20 | $109 |
| Capital Advisors, Ltd. LLC | 0.00% | Add +800.0% | 9 | $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.