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, Q4 2024
Institutional positions in Tectonic Therapeutic, Inc. as of Dec 31, 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
- 70
- +17 vs. Q3 2024
- Shares held
- 7.69M
- +511.1K (+7.1%) vs. Q3 2024
- Total value
- $354.9M
- +$137.5M (+63.2%) vs. Q3 2024
- New holders
- 25
- 21 more added
- Sold out
- 8
- 15 more reduced
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding Tectonic Therapeutic, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| National Bank of Canada | 39 | $1.80K | 0.00% | +8+25.8% | Added |
| US Bancorp | 69 | $3.19K | 0.00% | +37+115.6% | Added |
| SBI Securities Co., Ltd. | 87 | $4.02K | 0.00% | +87 | New |
| Rhumbline Advisers | 100 | $4.62K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 129 | $5.96K | 0.00% | −33−20.4% | Reduced |
| BNP Paribas Arbitrage, SA | 169 | $7.80K | 0.00% | +169 | New |
| Tower Research Capital LLC (TRC) | 216 | $9.97K | 0.00% | +216 | New |
| GF Fund Management Co. Ltd. | 310 | $14.3K | 0.00% | +310 | New |
| Mirae Asset Global Investments Co., Ltd. | 492 | $23.1K | 0.00% | +492 | New |
| CWM, LLC | 531 | $25.0K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 1,244 | $57.4K | 0.00% | +1,222+5,554.5% | Added |
| Nordwand Advisors, LLC | 1,500 | $69.3K | 0.03% | 00.0% | Unchanged |
| Virtus ETF Advisers LLC | 1,533 | $70.8K | 0.03% | +1,533 | New |
| China Universal Asset Management Co., Ltd. | 3,128 | $144.4K | 0.01% | +3,128 | New |
| Clearstead Advisors, LLC | 3,833 | $177.0K | 0.00% | −83−2.1% | Reduced |
| Charles Schwab Investment Management Inc | 4,711 | $217.5K | 0.00% | +4,711 | New |
| Raymond James Financial Inc | 4,939 | $228.0K | 0.00% | +4,939 | New |
| Commonwealth Equity Services, LLC | 5,000 | $231.0K | 0.00% | +5,000 | New |
| Jefferies Financial Group Inc. | 5,400 | $249.3K | 0.00% | +5,400 | New |
| Aster Capital Management (DIFC) Ltd | 6,768 | $312.5K | 0.12% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 7,516 | $347.0K | 0.00% | +7,516 | New |
| Prelude Capital Management, LLC | 7,841 | $362.0K | 0.03% | 00.0% | Unchanged |
| StemPoint Capital LP | 9,434 | $435.6K | 0.11% | +9,434 | New |
| Omers Administration Corp | 9,600 | $443.2K | 0.00% | +9,600 | New |
| Fred Alger Management, LLC | 10,057 | $464.3K | 0.00% | +10,057 | New |
| Clarius Group, LLC | 10,130 | $467.7K | 0.03% | +10,130 | New |
| UBS Group AG | 10,774 | $497.4K | 0.00% | +10,771+359,033.3% | Added |
| Citigroup Inc | 13,583 | $627.1K | 0.00% | +1,783+15.1% | Added |
| 683 Capital Management, LLC | 14,027 | $647.6K | 0.06% | +14,027 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 14,485 | $668.8K | 0.00% | +6,783+88.1% | Added |
| Bridgeway Capital Management, LLC | 14,668 | $677.2K | 0.02% | −5,713−28.0% | Reduced |
| Northern Trust Corp | 14,682 | $677.9K | 0.00% | +5,037+52.2% | Added |
| Barclays PLC | 15,974 | $737.5K | 0.00% | +14,533+1,008.5% | Added |
| Artia Global Partners LP | 16,650 | $768.7K | 0.31% | +16,650 | New |
| Schonfeld Strategic Advisors LLC | 17,345 | $800.8K | 0.01% | +2,345+15.6% | Added |
| Morgan Stanley | 17,415 | $804.0K | 0.00% | +4,094+30.7% | Added |
| Wells Fargo & Company | 18,513 | $854.7K | 0.00% | −2,439−11.6% | Reduced |
| Goldman Sachs Group Inc | 24,310 | $1.12M | 0.00% | +24,310 | New |
| EAM Investors, LLC | 25,061 | $1.16M | 0.16% | −1,130−4.3% | Reduced |
| Exome Asset Management LLC | 26,081 | $1.20M | 0.91% | −10,263−28.2% | Reduced |
| Verition Fund Management LLC | 26,171 | $1.21M | 0.01% | −88,607−77.2% | Reduced |
| Dimensional Fund Advisors LP | 26,264 | $1.21M | 0.00% | +2,409+10.1% | Added |
| State Street Corp | 27,405 | $1.27M | 0.00% | +15,728+134.7% | Added |
| Millennium Management LLC | 28,793 | $1.33M | 0.00% | +28,793 | New |
| Jane Street Group, LLC | 29,702 | $1.37M | 0.00% | +29,702 | New |
| Qube Research & Technologies Ltd | 29,757 | $1.37M | 0.00% | +29,757 | New |
| Soleus Capital Management, L.P. | 31,841 | $1.47M | 0.11% | +31,841 | New |
| Acuta Capital Partners, LLC | 33,008 | $1.52M | 1.53% | +19,308+140.9% | Added |
| Aldebaran Capital, LLC | 41,207 | $1.90M | 1.81% | −784−1.9% | Reduced |
| Boothbay Fund Management, LLC | 41,307 | $1.91M | 0.06% | −34,337−45.4% | Reduced |
| Renaissance Technologies LLC | 48,173 | $2.22M | 0.00% | −8,724−15.3% | Reduced |
| Affinity Asset Advisors, LLC | 58,331 | $2.69M | 0.42% | 00.0% | Unchanged |
| ADAR1 Capital Management, LLC | 58,708 | $2.71M | 0.56% | −68,451−53.8% | Reduced |
| Walleye Capital LLC | 73,517 | $3.39M | 0.03% | +555+0.8% | Added |
| Geode Capital Management, LLC | 77,584 | $3.58M | 0.00% | +705+0.9% | Added |
| Atlas Venture Life Science Advisors, LLC | 78,447 | $3.62M | 0.44% | −300,000−79.3% | Reduced |
| Tang Capital Management LLC | 79,166 | $3.66M | 0.24% | 00.0% | Unchanged |
| Invesco Ltd. | 128,178 | $5.92M | 0.00% | +128,178 | New |
| Woodline Partners LP | 130,109 | $6.01M | 0.04% | +64,661+98.8% | Added |
| Ikarian Capital, LLC | 142,328 | $6.57M | 1.88% | −124,817−46.7% | Reduced |
| Susquehanna International Group, LLP | 166,452 | $7.69M | 0.01% | +103,698+165.2% | Added |
| BlackRock, Inc. | 195,059 | $9.01M | 0.00% | +72,027+58.5% | Added |
| Balyasny Asset Management LLC | 247,000 | $11.4M | 0.03% | +66,527+36.9% | Added |
| Vanguard Group Inc | 361,048 | $16.7M | 0.00% | −81,766−18.5% | Reduced |
| Paradigm Biocapital Advisors LP | 485,105 | $22.4M | 0.78% | +485,105 | New |
| 5AM Venture Management, LLC | 596,660 | $27.5M | 6.57% | −49,864−7.7% | Reduced |
| Farallon Capital Management, L.L.C. | 713,050 | $32.9M | 0.17% | +192,653+37.0% | Added |
| EcoR1 Capital, LLC | 849,143 | $39.2M | 1.57% | 00.0% | Unchanged |
| Vida Ventures Advisors, LLC | 1,028,674 | $47.5M | 32.46% | 00.0% | Unchanged |
| FMR LLC | 1,516,335 | $70.0M | 0.00% | +296,197+24.3% | Added |
| BML Capital Management, LLC | 0 | $0 | 0.00% | −211,752−100.0% | Sold out |
| Prosight Management, LP | 0 | $0 | 0.00% | −137,614−100.0% | Sold out |
| Aisling Capital Management LP | 0 | $0 | 0.00% | −84,148−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −11,031−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −9,395−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −155−100.0% | Sold out |
| Danske Bank A/S | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −1−100.0% | Sold out |