Tectonic Therapeutic, Inc.
TECX- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001681087
In the last 90 days, Tectonic Therapeutic, Inc. insiders filed 0 open-market purchases and 2 sales; 122 institutions reported holding it in 13F filings for Q2 2026, worth $479.9M in total; no superinvestor holds it.
13F holders, Q3 2024
Institutional positions in Tectonic Therapeutic, Inc. as of Sep 30, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 53
- +14 vs. Q2 2024
- Shares held
- 7.18M
- +1.88M (+35.5%) vs. Q2 2024
- Total value
- $217.4M
- +$130.2M (+149.3%) vs. Q2 2024
- New holders
- 18
- 12 more added
- Sold out
- 4
- 9 more reduced
1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting TECX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 122 | $479.9M |
| Q1 2026 | 111 | $426.8M |
| Q4 2025 | 105 | $288.1M |
| Q3 2025 | 99 | $189.9M |
| Q2 2025 | 82 | $240.7M |
| Q1 2025 | 78 | $198.8M |
| Q4 2024 | 70 | $354.9M |
| Q3 2024 | 53 | $217.4M |
| Q2 2024 | 40 | $88.1M |
| Q1 2024 | 47 | $35.2M |
| Q4 2023 | 45 | $32.2M |
| Q3 2023 | 48 | $39.9M |
| Q2 2023 | 41 | $18.9M |
| Q1 2023 | 48 | $22.8M |
| Q4 2022 | 45 | $14.8M |
| Q3 2022 | 54 | $15.7M |
| Q2 2022 | 64 | $23.8M |
| Q1 2022 | 81 | $38.8M |
| Q4 2021 | 94 | $134.9M |
| Q3 2021 | 101 | $166.5M |
| Q2 2021 | 97 | $287.7M |
| Q1 2021 | 99 | $423.5M |
Institutions, Q3 2024
Shares, value and share of portfolio for each institution holding Tectonic Therapeutic, Inc.; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Group One Trading, L.P. | 1 | $30 | 0.00% | 00.0% | Unchanged |
| Danske Bank A/S | 2 | $61 | 0.00% | +2 | New |
| UBS Group AG | 3 | $91 | 0.00% | +3 | New |
| JPMorgan Chase & Co | 22 | $667 | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 31 | $939 | 0.00% | 00.0% | Unchanged |
| US Bancorp | 32 | $970 | 0.00% | +32 | New |
| Rhumbline Advisers | 100 | $3.03K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 162 | $4.91K | 0.00% | −74−31.4% | Reduced |
| Royal Bank of Canada | 155 | $5.00K | 0.00% | −2−1.3% | Reduced |
| CWM, LLC | 531 | $16.0K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 1,441 | $43.7K | 0.00% | 00.0% | Unchanged |
| Nordwand Advisors, LLC | 1,500 | $45.5K | 0.01% | +1,500 | New |
| Clearstead Advisors, LLC | 3,916 | $118.7K | 0.00% | −4,224−51.9% | Reduced |
| Aster Capital Management (DIFC) Ltd | 6,768 | $205.1K | 0.04% | +6,768 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 7,702 | $233.4K | 0.00% | +7,702 | New |
| Prelude Capital Management, LLC | 7,841 | $237.6K | 0.02% | +7,841 | New |
| Acadian Asset Management LLC | 9,395 | $284.0K | 0.00% | −100,234−91.4% | Reduced |
| Northern Trust Corp | 9,645 | $292.2K | 0.00% | +9,645 | New |
| Two Sigma Investments, LP | 11,031 | $334.2K | 0.00% | −3,514−24.2% | Reduced |
| State Street Corp | 11,677 | $353.8K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 11,800 | $357.5K | 0.00% | +11,800 | New |
| Morgan Stanley | 13,321 | $403.6K | 0.00% | +132+1.0% | Added |
| Acuta Capital Partners, LLC | 13,700 | $415.1K | 0.34% | +13,700 | New |
| Schonfeld Strategic Advisors LLC | 15,000 | $454.5K | 0.00% | +15,000 | New |
| Bridgeway Capital Management, LLC | 20,381 | $617.5K | 0.01% | +600+3.0% | Added |
| Wells Fargo & Company | 20,952 | $634.8K | 0.00% | +11,227+115.4% | Added |
| Dimensional Fund Advisors LP | 23,855 | $723.0K | 0.00% | +23,855 | New |
| EAM Investors, LLC | 26,191 | $793.6K | 0.12% | +26,191 | New |
| Exome Asset Management LLC | 36,344 | $1.10M | 0.74% | +3,955+12.2% | Added |
| Aldebaran Capital, LLC | 41,991 | $1.27M | 1.16% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 56,897 | $1.72M | 0.00% | −32,132−36.1% | Reduced |
| Affinity Asset Advisors, LLC | 58,331 | $1.77M | 0.27% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 62,754 | $1.90M | 0.00% | +62,754 | New |
| Woodline Partners LP | 65,448 | $1.98M | 0.02% | +65,448 | New |
| Walleye Capital LLC | 72,962 | $2.21M | 0.02% | +48,978+204.2% | Added |
| Boothbay Fund Management, LLC | 75,644 | $2.29M | 0.07% | +59,759+376.2% | Added |
| Geode Capital Management, LLC | 76,879 | $2.33M | 0.00% | +45,846+147.7% | Added |
| Tang Capital Management LLC | 79,166 | $2.40M | 0.17% | 00.0% | Unchanged |
| Aisling Capital Management LP | 84,148 | $2.55M | 0.98% | 00.0% | Unchanged |
| Verition Fund Management LLC | 114,778 | $3.48M | 0.02% | −25,902−18.4% | Reduced |
| BlackRock, Inc. | 123,032 | $3.73M | 0.00% | +123,032 | New |
| ADAR1 Capital Management, LLC | 127,159 | $3.85M | 0.65% | −229,719−64.4% | Reduced |
| Prosight Management, LP | 137,614 | $4.17M | 1.06% | +70,153+104.0% | Added |
| Balyasny Asset Management LLC | 180,473 | $5.47M | 0.01% | +180,473 | New |
| BML Capital Management, LLC | 211,752 | $6.42M | 3.78% | −254,295−54.6% | Reduced |
| Ikarian Capital, LLC | 267,145 | $8.09M | 2.51% | +204,309+325.1% | Added |
| Atlas Venture Life Science Advisors, LLC | 378,447 | $11.5M | 1.06% | 00.0% | Unchanged |
| Vanguard Group Inc | 442,814 | $13.4M | 0.00% | +286,046+182.5% | Added |
| Farallon Capital Management, L.L.C. | 520,397 | $15.8M | 0.09% | +89,387+20.7% | Added |
| 5AM Venture Management, LLC | 646,524 | $19.6M | 4.05% | 00.0% | Unchanged |
| EcoR1 Capital, LLC | 849,143 | $25.7M | 0.88% | 00.0% | Unchanged |
| Vida Ventures Advisors, LLC | 1,028,674 | $31.2M | 22.49% | +1,028,674 | New |
| FMR LLC | 1,220,138 | $37.0M | 0.00% | +142,600+13.2% | Added |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −13,071−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −3,376−100.0% | Sold out |
| BNP Paribas Arbitrage, SA | 0 | $0 | 0.00% | −249−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −112−100.0% | Sold out |
| BlackRock Inc. | – | – | – | – | Not filed |