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, Q2 2025
Institutional positions in Tectonic Therapeutic, Inc. as of Jun 30, 2025. 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
- 82
- +4 vs. Q1 2025
- Shares held
- 12.1M
- +885.1K (+7.9%) vs. Q1 2025
- Total value
- $240.7M
- +$41.9M (+21.1%) vs. Q1 2025
- New holders
- 18
- 34 more added
- Sold out
- 14
- 13 more reduced
Compare with Q1 2025: 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, Q2 2025
Shares, value and share of portfolio for each institution holding Tectonic Therapeutic, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Caldwell Trust Co | 20 | $397 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 26 | $517 | 0.00% | +26 | New |
| Rise Advisors, LLC | 28 | $556 | 0.00% | +28 | New |
| US Bancorp | 37 | $735 | 0.00% | −8−17.8% | Reduced |
| National Bank of Canada | 39 | $773 | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 80 | $2.00K | 0.00% | 00.0% | Unchanged |
| Vermillion & White Wealth Management Group, LLC | 107 | $2.13K | 0.00% | +107 | New |
| Sterling Capital Management LLC | 251 | $4.99K | 0.00% | +251 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 283 | $5.62K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 365 | $7.00K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 375 | $7.00K | 0.00% | +375 | New |
| GF Fund Management Co. Ltd. | 377 | $7.49K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 682 | $14.0K | 0.00% | −6,318−90.3% | Reduced |
| Caitong International Asset Management Co., Ltd | 719 | $14.3K | 0.01% | +350+94.9% | Added |
| Mirae Asset Global Investments Co., Ltd. | 721 | $14.3K | 0.00% | +221+44.2% | Added |
| Legal & General Group Plc | 1,050 | $20.9K | 0.00% | +1,050 | New |
| Ameritas Investment Partners, Inc. | 1,122 | $22.3K | 0.00% | +1,122 | New |
| Tower Research Capital LLC (TRC) | 1,247 | $24.8K | 0.00% | +414+49.7% | Added |
| Clearstead Advisors, LLC | 1,500 | $29.8K | 0.00% | 00.0% | Unchanged |
| Quest Partners LLC | 2,365 | $47.0K | 0.00% | +2,133+919.4% | Added |
| Police & Firemen's Retirement System of New Jersey | 2,638 | $52.4K | 0.00% | +2,638 | New |
| China Universal Asset Management Co., Ltd. | 3,750 | $74.5K | 0.01% | +791+26.7% | Added |
| Citigroup Inc | 4,079 | $81.0K | 0.00% | +3,431+529.5% | Added |
| Virtus Investment Advisers, Inc. | 4,190 | $83.3K | 0.03% | +649+18.3% | Added |
| New York State Common Retirement Fund | 5,000 | $99.3K | 0.00% | +5,000 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 6,012 | $119.5K | 0.00% | +6,012 | New |
| JPMorgan Chase & Co | 6,548 | $130.1K | 0.00% | +5,426+483.6% | Added |
| MetLife Investment Management | 6,724 | $133.6K | 0.00% | +6,724 | New |
| Bank of America Corp | 6,922 | $137.5K | 0.00% | −58,779−89.5% | Reduced |
| Deutsche Bank AG | 8,201 | $163.0K | 0.00% | +8,201 | New |
| Clarius Group, LLC | 10,130 | $201.3K | 0.01% | 00.0% | Unchanged |
| Monaco Asset Management SAM | 10,500 | $208.6K | 0.08% | +10,500 | New |
| Marshall Wace, LLP | 10,678 | $212.2K | 0.00% | −42,662−80.0% | Reduced |
| Bridgeway Capital Management, LLC | 12,383 | $246.1K | 0.01% | −2,285−15.6% | Reduced |
| Nuveen, LLC | 14,304 | $284.2K | 0.00% | +14,304 | New |
| Rhumbline Advisers | 15,975 | $317.4K | 0.00% | +15,875+15,875.0% | Added |
| BNP Paribas Arbitrage, SA | 16,314 | $324.2K | 0.00% | +13,718+528.4% | Added |
| Price T Rowe Associates Inc | 18,322 | $365.0K | 0.00% | +5,515+43.1% | Added |
| Susquehanna International Group, LLP | 18,707 | $371.7K | 0.00% | −87,996−82.5% | Reduced |
| Dimensional Fund Advisors LP | 19,498 | $387.4K | 0.00% | −12,663−39.4% | Reduced |
| Raymond James Financial Inc | 21,544 | $428.1K | 0.00% | +2,809+15.0% | Added |
| Barclays PLC | 21,891 | $435.0K | 0.00% | +8,181+59.7% | Added |
| Monimus Capital Management, LP | 23,894 | $474.8K | 0.38% | +5,433+29.4% | Added |
| Bank of New York Mellon Corp | 25,258 | $501.9K | 0.00% | +25,258 | New |
| Wellington Management Group LLP | 28,545 | $567.2K | 0.00% | +8,885+45.2% | Added |
| Charles Schwab Investment Management Inc | 32,365 | $643.1K | 0.00% | +32,365 | New |
| UBS Group AG | 34,238 | $680.3K | 0.00% | +23,011+205.0% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 35,708 | $709.5K | 0.00% | +1,063+3.1% | Added |
| StemPoint Capital LP | 40,000 | $794.8K | 0.26% | +40,000 | New |
| Windmill Hill Asset Management Ltd | 40,023 | $795.3K | 0.22% | 00.0% | Unchanged |
| Aldebaran Capital, LLC | 40,258 | $799.9K | 0.79% | −638−1.6% | Reduced |
| Boothbay Fund Management, LLC | 45,077 | $895.7K | 0.03% | −34,392−43.3% | Reduced |
| Wells Fargo & Company | 72,772 | $1.45M | 0.00% | +40,001+122.1% | Added |
| ADAR1 Capital Management, LLC | 73,505 | $1.46M | 0.24% | +10,902+17.4% | Added |
| Knott David M Jr | 74,000 | $1.47M | 0.67% | +34,000+85.0% | Added |
| Millennium Management LLC | 74,889 | $1.49M | 0.00% | −163,049−68.5% | Reduced |
| Soleus Capital Management, L.P. | 76,841 | $1.53M | 0.11% | 00.0% | Unchanged |
| Superstring Capital Management LP | 79,058 | $1.57M | 1.96% | +28,312+55.8% | Added |
| Northern Trust Corp | 79,074 | $1.57M | 0.00% | +64,392+438.6% | Added |
| Squarepoint Ops LLC | 85,369 | $1.70M | 0.00% | +32,472+61.4% | Added |
| Renaissance Technologies LLC | 86,987 | $1.73M | 0.00% | −57,315−39.7% | Reduced |
| Sectoral Asset Management Inc | 98,970 | $1.97M | 1.30% | +98,970 | New |
| Baker Bros. Advisors LP | 100,000 | $1.99M | 0.02% | 00.0% | Unchanged |
| State Street Corp | 131,041 | $2.60M | 0.00% | +100,236+325.4% | Added |
| Morgan Stanley | 160,430 | $3.19M | 0.00% | −3,805−2.3% | Reduced |
| Ally Bridge Group (NY) LLC | 163,683 | $3.25M | 2.71% | +31,461+23.8% | Added |
| Ikarian Capital, LLC | 163,696 | $3.25M | 1.08% | −105,394−39.2% | Reduced |
| Citadel Advisors LLC | 165,046 | $3.28M | 0.00% | +71,572+76.6% | Added |
| Tang Capital Management LLC | 179,166 | $3.56M | 0.18% | 00.0% | Unchanged |
| Polygon Management Ltd. | 228,832 | $4.55M | 0.82% | +41,332+22.0% | Added |
| Point72 Asset Management, L.P. | 231,032 | $4.59M | 0.01% | +31,032+15.5% | Added |
| Geode Capital Management, LLC | 272,257 | $5.41M | 0.00% | +192,770+242.5% | Added |
| Bollard Group LLC | 302,953 | $6.02M | 0.14% | 00.0% | Unchanged |
| Woodline Partners LP | 321,637 | $6.39M | 0.03% | +19,422+6.4% | Added |
| Prosight Management, LP | 442,056 | $8.78M | 2.14% | +43,171+10.8% | Added |
| 5AM Venture Management, LLC | 511,660 | $10.2M | 3.91% | 00.0% | Unchanged |
| Vanguard Group Inc | 584,393 | $11.6M | 0.00% | +223,225+61.8% | Added |
| BlackRock, Inc. | 761,297 | $15.1M | 0.00% | +555,769+270.4% | Added |
| Farallon Capital Management, L.L.C. | 853,050 | $17.0M | 0.08% | 00.0% | Unchanged |
| EcoR1 Capital, LLC | 935,121 | $18.6M | 1.10% | 00.0% | Unchanged |
| Deep Track Capital, LP | 1,401,938 | $27.9M | 0.90% | 00.0% | Unchanged |
| FMR LLC | 2,800,876 | $55.7M | 0.00% | +1,476+0.1% | Added |
| Goldman Sachs Group Inc | 0 | $0 | 0.00% | −104,793−100.0% | Sold out |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −47,145−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −47,105−100.0% | Sold out |
| Oakmont Corp | 0 | $0 | 0.00% | −25,115−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −21,126−100.0% | Sold out |
| Cliffwater LLC | 0 | $0 | 0.00% | −15,369−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −14,296−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −13,212−100.0% | Sold out |
| American Century Companies Inc | 0 | $0 | 0.00% | −12,057−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −10,192−100.0% | Sold out |
| Nordwand Advisors, LLC | 0 | $0 | 0.00% | −1,500−100.0% | Sold out |
| SBI Securities Co., Ltd. | 0 | $0 | 0.00% | −87−100.0% | Sold out |
| GAMMA Investing LLC | 0 | $0 | 0.00% | −8−100.0% | Sold out |