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 3 sales; 122 institutions reported holding it in 13F filings for Q2 2026, worth $479.9M in total; no superinvestor holds it.
13F holders, Q2 2023
Institutional positions in Tectonic Therapeutic, Inc. as of Jun 30, 2023. 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
- 41
- −7 vs. Q1 2023
- Shares held
- 19.9M
- −2.91M (−12.7%) vs. Q1 2023
- Total value
- $18.9M
- −$3.90M (−17.1%) vs. Q1 2023
- New holders
- 5
- 9 more added
- Sold out
- 12
- 11 more reduced
Compare with Q1 2023: 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 2023
Shares, value and share of portfolio for each institution holding Tectonic Therapeutic, Inc.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Atlas Venture Life Science Advisors, LLC | 4,541,381 | $4.31M | 0.54% | 00.0% | Unchanged |
| Tang Capital Management LLC | 2,705,000 | $2.57M | 0.38% | +2,667,387+7,091.7% | Added |
| GMT Capital Corp | 2,412,015 | $2.29M | 0.09% | −1,945,844−44.7% | Reduced |
| Acadian Asset Management LLC | 1,770,147 | $1.68M | 0.01% | 00.0% | Unchanged |
| Vanguard Group Inc | 1,181,134 | $1.12M | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 1,049,270 | $996.9K | 0.00% | +846,425+417.3% | Added |
| Aisling Capital Management LP | 1,009,779 | $959.4K | 0.47% | 00.0% | Unchanged |
| Farallon Capital Management, L.L.C. | 899,700 | $854.8K | 0.01% | −2,216,300−71.1% | Reduced |
| BlackRock Inc. | 633,036 | $601.4K | 0.00% | −760,333−54.6% | Reduced |
| Renaissance Technologies LLC | 562,567 | $534.0K | 0.00% | −10,800−1.9% | Reduced |
| Citadel Advisors LLC | 506,354 | $481.1K | 0.00% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 343,741 | $326.6K | 0.00% | +13,229+4.0% | Added |
| Two Sigma Investments, LP | 285,861 | $271.6K | 0.00% | −47,137−14.2% | Reduced |
| Boston Private Wealth LLC | 284,365 | $270.2K | 0.00% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 257,200 | $244.4K | 0.00% | −74,900−22.6% | Reduced |
| BML Capital Management, LLC | 256,277 | $243.5K | 0.22% | +256,277 | New |
| Millennium Management LLC | 181,590 | $172.5K | 0.00% | +6,051+3.4% | Added |
| Wells Fargo & Company | 167,094 | $158.8K | 0.00% | +30,030+21.9% | Added |
| JPMorgan Chase & Co | 141,759 | $134.7K | 0.00% | −66,220−31.8% | Reduced |
| State Street Corp | 140,852 | $133.8K | 0.00% | 00.0% | Unchanged |
| Ikarian Capital, LLC | 134,146 | $127.5K | 0.04% | +134,146 | New |
| Bridgeway Capital Management, LLC | 106,000 | $100.7K | 0.00% | 00.0% | Unchanged |
| Privium Fund Management (UK) Ltd | 87,770 | $78.2K | 0.06% | 00.0% | Unchanged |
| Northern Trust Corp | 75,281 | $71.5K | 0.00% | −184−0.2% | Reduced |
| Deutsche Bank AG | 35,000 | $33.3K | 0.00% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 26,896 | $25.6K | 0.00% | +26,896 | New |
| Barclays PLC | 22,179 | $21.1K | 0.00% | +244+1.1% | Added |
| Virtu Financial LLC | 22,552 | $21.0K | 0.00% | −17,767−44.1% | Reduced |
| Colonial River Wealth Management, LLC | 16,940 | $16.1K | 0.01% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 16,788 | $15.9K | 0.00% | 00.0% | Unchanged |
| HSBC Holdings PLC | 16,556 | $15.1K | 0.00% | 00.0% | Unchanged |
| C2C Wealth Management, LLC | 10,000 | $15.1K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 11,955 | $11.4K | 0.00% | +5,600+88.1% | Added |
| Commonwealth Equity Services, LLC | 11,000 | $10.0K | 0.00% | +11,000 | New |
| CWM, LLC | 6,388 | $6.00K | 0.00% | +4,388+219.4% | Added |
| BNP Paribas Arbitrage, SA | 2,994 | $2.85K | 0.00% | −92−3.0% | Reduced |
| Royal Bank of Canada | 2,325 | $2.00K | 0.00% | +460+24.7% | Added |
| Rhumbline Advisers | 1,208 | $1.15K | 0.00% | +1,208 | New |
| National Bank of Canada | 380 | $361 | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 65 | $62 | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 2 | $2 | 0.00% | −829−99.8% | Reduced |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −650,000−100.0% | Sold out |
| MPM Oncology Impact Management LP | 0 | $0 | 0.00% | −647,918−100.0% | Sold out |
| New Leaf Venture Partners, L.L.C. | 0 | $0 | 0.00% | −315,550−100.0% | Sold out |
| Bailard, Inc. | 0 | $0 | 0.00% | −45,492−100.0% | Sold out |
| Needham Investment Management LLC | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −26,250−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −24,409−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −19,607−100.0% | Sold out |
| Shay Capital LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −1,515−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −48−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −725−100.0% | Sold out |