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, Q3 2021
Institutional positions in Tectonic Therapeutic, Inc. as of Sep 30, 2021. 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
- 101
- +5 vs. Q2 2021
- Shares held
- 29.8M
- −2.54M (−7.9%) vs. Q2 2021
- Total value
- $166.5M
- −$121.2M (−42.1%) vs. Q2 2021
- New holders
- 21
- 34 more added
- Sold out
- 16
- 27 more reduced
1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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 2021
Shares, value and share of portfolio for each institution holding Tectonic Therapeutic, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| JPMorgan Chase & Co | 4,609,602 | $25.7M | 0.00% | −278,714−5.7% | Reduced |
| BlackRock Inc. | 3,614,455 | $20.2M | 0.00% | +79,695+2.3% | Added |
| Camber Capital Management LP | 3,133,333 | $17.5M | 0.65% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 2,388,380 | $13.3M | 0.03% | −36,572−1.5% | Reduced |
| GMT Capital Corp | 2,133,214 | $11.9M | 1.05% | 00.0% | Unchanged |
| Vanguard Group Inc | 1,720,488 | $9.60M | 0.00% | +15,066+0.9% | Added |
| Citadel Advisors LLC | 1,080,328 | $6.03M | 0.01% | −247,258−18.6% | Reduced |
| Aisling Capital Management LP | 1,009,779 | $5.63M | 1.12% | 00.0% | Unchanged |
| State Street Corp | 901,421 | $5.03M | 0.00% | −1,870,329−67.5% | Reduced |
| MPM Oncology Impact Management LP | 861,858 | $4.81M | 0.75% | +861,858 | New |
| Millennium Management LLC | 839,949 | $4.69M | 0.01% | +271,626+47.8% | Added |
| Farallon Capital Management, L.L.C. | 740,000 | $4.13M | 0.02% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 576,884 | $3.22M | 0.00% | −44,979−7.2% | Reduced |
| Goldman Sachs Group Inc | 432,138 | $2.41M | 0.00% | +330.0% | Added |
| Renaissance Technologies LLC | 405,100 | $2.26M | 0.00% | +316,100+355.2% | Added |
| Morgan Stanley | 360,120 | $2.01M | 0.00% | −88,524−19.7% | Reduced |
| Eversept Partners, LP | 359,480 | $2.01M | 0.16% | +359,480 | New |
| Northern Trust Corp | 358,392 | $2.00M | 0.00% | −16,047−4.3% | Reduced |
| Two Sigma Investments, LP | 327,248 | $1.83M | 0.00% | +205,800+169.5% | Added |
| New Leaf Venture Partners, L.L.C. | 315,550 | $1.76M | 0.51% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 285,300 | $1.59M | 0.00% | +207,900+268.6% | Added |
| Jacobs Levy Equity Management, Inc | 280,237 | $1.56M | 0.01% | −62,650−18.3% | Reduced |
| Point72 Asset Management, L.P. | 230,000 | $1.28M | 0.01% | −285,000−55.3% | Reduced |
| Nuveen Asset Management, LLC | 170,996 | $1.06M | 0.00% | +2,632+1.6% | Added |
| Gsa Capital Partners LLP | 188,768 | $1.05M | 0.11% | +119,382+172.1% | Added |
| HRT Financial LP | 160,681 | $896.0K | 0.01% | +160,681 | New |
| Bank of New York Mellon Corp | 145,456 | $813.0K | 0.00% | +28,295+24.2% | Added |
| Walleye Capital LLC | 118,872 | $663.0K | 0.02% | +118,872 | New |
| Kennedy Capital Management, Inc. | 100,705 | $562.0K | 0.01% | +1,292+1.3% | Added |
| Citigroup Inc | 93,660 | $523.0K | 0.00% | −167,078−64.1% | Reduced |
| Charles Schwab Investment Management Inc | 91,882 | $513.0K | 0.00% | −156,512−63.0% | Reduced |
| Ameriprise Financial Inc | 84,919 | $474.0K | 0.00% | +9,087+12.0% | Added |
| FMR LLC | 83,837 | $468.0K | 0.00% | −18,117−17.8% | Reduced |
| Swiss National Bank | 80,100 | $447.0K | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 74,731 | $417.0K | 0.00% | +17,327+30.2% | Added |
| PDT Partners, LLC | 73,017 | $407.0K | 0.03% | +16,615+29.5% | Added |
| DekaBank Deutsche Girozentrale | 71,000 | $394.0K | 0.00% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 66,866 | $373.0K | 0.00% | +66,866 | New |
| Wells Fargo & Company | 58,495 | $327.0K | 0.00% | −3,801−6.1% | Reduced |
| Barclays PLC | 56,751 | $316.0K | 0.00% | +18,850+49.7% | Added |
| Rhumbline Advisers | 51,950 | $290.0K | 0.00% | +2,020+4.0% | Added |
| Parametric Portfolio Associates LLC | 51,320 | $286.0K | 0.00% | +37,900+282.4% | Added |
| California State Teachers Retirement System | 48,741 | $272.0K | 0.00% | −1,237−2.5% | Reduced |
| Cubist Systematic Strategies, LLC | 46,991 | $262.0K | 0.00% | +21,655+85.5% | Added |
| Russell Investments Group, Ltd. | 45,076 | $251.0K | 0.00% | −403−0.9% | Reduced |
| Jump Financial, LLC | 44,438 | $248.0K | 0.02% | +44,438 | New |
| Acadian Asset Management LLC | 44,344 | $246.0K | 0.00% | +44,344 | New |
| Virginia Retirement Systems Et Al | 43,300 | $242.0K | 0.00% | +16,600+62.2% | Added |
| Dimensional Fund Advisors LP | 38,212 | $213.0K | 0.00% | −11,990−23.9% | Reduced |
| Trexquant Investment LP | 37,468 | $209.0K | 0.02% | +37,468 | New |
| Alliancebernstein L.P. | 35,600 | $199.0K | 0.00% | 00.0% | Unchanged |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 34,509 | $193.0K | 0.00% | +1,008+3.0% | Added |
| UBS Asset Management Americas Inc | 32,093 | $179.1K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 31,996 | $179.0K | 0.00% | +10,172+46.6% | Added |
| Squarepoint Ops LLC | 29,911 | $167.0K | 0.00% | +8,656+40.7% | Added |
| Walleye Trading LLC | 28,126 | $157.0K | 0.00% | +28,126 | New |
| Rockefeller Capital Management L.P. | 26,650 | $148.0K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 26,527 | $148.0K | 0.00% | +26,527 | New |
| Manufacturers Life Insurance Company, The | 26,403 | $147.0K | 0.00% | +3,173+13.7% | Added |
| ExodusPoint Capital Management, LP | 24,883 | $139.0K | 0.00% | +4,564+22.5% | Added |
| Virtus ETF Advisers LLC | 22,244 | $124.0K | 0.05% | −1,154−4.9% | Reduced |
| American International Group, Inc. | 20,737 | $116.0K | 0.00% | +411+2.0% | Added |
| Ergoteles LLC | 20,823 | $116.0K | 0.00% | +20,823 | New |
| First Republic Investment Management, Inc. | 20,000 | $112.0K | 0.00% | −8,189−29.1% | Reduced |
| Vontobel Holding Ltd. | 20,000 | $112.0K | 0.00% | 00.0% | Unchanged |
| Credit Suisse AG | 19,762 | $110.0K | 0.00% | +2,707+15.9% | Added |
| Pinz Capital Management, LP | 19,200 | $107.0K | 0.05% | +19,200 | New |
| Invesco Ltd. | 18,824 | $105.0K | 0.00% | +1,845+10.9% | Added |
| 1623 Capital LLC | 18,479 | $103.0K | 0.04% | +7,000+61.0% | Added |
| Voya Investment Management LLC | 15,369 | $86.0K | 0.00% | +94+0.6% | Added |
| Raymond James & Associates | 15,191 | $85.0K | 0.00% | +15,191 | New |
| State Board of Administration of Florida Retirement System | 14,939 | $83.0K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 14,655 | $81.8K | 0.00% | +13,153+875.7% | Added |
| ProShare Advisors LLC | 14,172 | $79.0K | 0.00% | −2,744−16.2% | Reduced |
| New York State Common Retirement Fund | 12,346 | $69.0K | 0.00% | −16,255−56.8% | Reduced |
| Susquehanna International Group, LLP | 12,118 | $68.0K | 0.00% | −30,189−71.4% | Reduced |
| Legal & General Group Plc | 12,058 | $67.0K | 0.00% | +6,992+138.0% | Added |
| Marshall Wace, LLP | 11,260 | $63.0K | 0.00% | +11,260 | New |
| Dynamic Technology Lab Private Ltd | 11,406 | $63.0K | 0.01% | +11,406 | New |
| Needham Investment Management LLC | 11,000 | $61.0K | 0.01% | +11,000 | New |
| BNP Paribas Arbitrage, SA | 9,665 | $53.9K | 0.00% | +5,117+112.5% | Added |
| Quantbot Technologies LP | 8,200 | $45.0K | 0.00% | +8,200 | New |
| Tower Research Capital LLC (TRC) | 6,855 | $38.0K | 0.00% | +3,807+124.9% | Added |
| Royal Bank of Canada | 5,843 | $32.0K | 0.00% | −832,705−99.3% | Reduced |
| Point72 Hong Kong Ltd | 4,584 | $26.0K | 0.00% | +4,584 | New |
| Group One Trading, L.P. | 3,507 | $20.0K | 0.00% | −21,000−85.7% | Reduced |
| Great West Life Assurance Co | 3,172 | $18.0K | 0.00% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 3,111 | $17.4K | 0.00% | −6,820−68.7% | Reduced |
| ACT Capital Management, LLC | 3,000 | $17.0K | 0.01% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 2,729 | $15.0K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 2,000 | $11.0K | 0.00% | −4,000−66.7% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,951 | $11.0K | 0.00% | 00.0% | Unchanged |
| Penserra Capital Management LLC | 995 | $5.00K | 0.00% | +45+4.7% | Added |
| Macquarie Group Ltd | 805 | $4.00K | 0.00% | 00.0% | Unchanged |
| Newbridge Financial Services Group, Inc. | 367 | $2.00K | 0.00% | 00.0% | Unchanged |
| Savior LLC | 250 | $1.00K | 0.00% | −700−73.7% | Reduced |
| Meridian Wealth Partners, LLC | 216 | $1.00K | 0.00% | +216 | New |
| Raffa Wealth Management, LLC | 166 | $926 | 0.00% | +166 | New |
| Toth Financial Advisory Corp | 50 | $0 | 0.00% | −68−57.6% | Reduced |
| Daiwa Securities Group Inc. | 80 | $0 | 0.00% | 00.0% | Unchanged |