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 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 |
|---|---|---|---|---|---|
| Toth Financial Advisory Corp | 50 | $0 | 0.00% | −68−57.6% | Reduced |
| Daiwa Securities Group Inc. | 80 | $0 | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 46 | $0 | 0.00% | +46 | New |
| Raffa Wealth Management, LLC | 166 | $926 | 0.00% | +166 | New |
| Savior LLC | 250 | $1.00K | 0.00% | −700−73.7% | Reduced |
| Meridian Wealth Partners, LLC | 216 | $1.00K | 0.00% | +216 | New |
| Newbridge Financial Services Group, Inc. | 367 | $2.00K | 0.00% | 00.0% | Unchanged |
| Macquarie Group Ltd | 805 | $4.00K | 0.00% | 00.0% | Unchanged |
| Penserra Capital Management LLC | 995 | $5.00K | 0.00% | +45+4.7% | Added |
| 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 |
| Ameritas Investment Partners, Inc. | 2,729 | $15.0K | 0.00% | 00.0% | Unchanged |
| ACT Capital Management, LLC | 3,000 | $17.0K | 0.01% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 3,111 | $17.4K | 0.00% | −6,820−68.7% | Reduced |
| Great West Life Assurance Co | 3,172 | $18.0K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 3,507 | $20.0K | 0.00% | −21,000−85.7% | Reduced |
| Point72 Hong Kong Ltd | 4,584 | $26.0K | 0.00% | +4,584 | New |
| Royal Bank of Canada | 5,843 | $32.0K | 0.00% | −832,705−99.3% | Reduced |
| Tower Research Capital LLC (TRC) | 6,855 | $38.0K | 0.00% | +3,807+124.9% | Added |
| Quantbot Technologies LP | 8,200 | $45.0K | 0.00% | +8,200 | New |
| BNP Paribas Arbitrage, SA | 9,665 | $53.9K | 0.00% | +5,117+112.5% | Added |
| Needham Investment Management LLC | 11,000 | $61.0K | 0.01% | +11,000 | New |
| 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 |
| Legal & General Group Plc | 12,058 | $67.0K | 0.00% | +6,992+138.0% | Added |
| Susquehanna International Group, LLP | 12,118 | $68.0K | 0.00% | −30,189−71.4% | Reduced |
| New York State Common Retirement Fund | 12,346 | $69.0K | 0.00% | −16,255−56.8% | Reduced |
| ProShare Advisors LLC | 14,172 | $79.0K | 0.00% | −2,744−16.2% | Reduced |
| MetLife Investment Management | 14,655 | $81.8K | 0.00% | +13,153+875.7% | Added |
| State Board of Administration of Florida Retirement System | 14,939 | $83.0K | 0.00% | 00.0% | Unchanged |
| Raymond James & Associates | 15,191 | $85.0K | 0.00% | +15,191 | New |
| Voya Investment Management LLC | 15,369 | $86.0K | 0.00% | +94+0.6% | Added |
| 1623 Capital LLC | 18,479 | $103.0K | 0.04% | +7,000+61.0% | Added |
| Invesco Ltd. | 18,824 | $105.0K | 0.00% | +1,845+10.9% | Added |
| Pinz Capital Management, LP | 19,200 | $107.0K | 0.05% | +19,200 | New |
| Credit Suisse AG | 19,762 | $110.0K | 0.00% | +2,707+15.9% | Added |
| 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 |
| 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 |
| Virtus ETF Advisers LLC | 22,244 | $124.0K | 0.05% | −1,154−4.9% | Reduced |
| ExodusPoint Capital Management, LP | 24,883 | $139.0K | 0.00% | +4,564+22.5% | Added |
| Manufacturers Life Insurance Company, The | 26,403 | $147.0K | 0.00% | +3,173+13.7% | Added |
| 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 |
| Walleye Trading LLC | 28,126 | $157.0K | 0.00% | +28,126 | New |
| Squarepoint Ops LLC | 29,911 | $167.0K | 0.00% | +8,656+40.7% | Added |
| Bank of America Corp | 31,996 | $179.0K | 0.00% | +10,172+46.6% | Added |
| UBS Asset Management Americas Inc | 32,093 | $179.1K | 0.00% | 00.0% | Unchanged |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 34,509 | $193.0K | 0.00% | +1,008+3.0% | Added |
| Alliancebernstein L.P. | 35,600 | $199.0K | 0.00% | 00.0% | Unchanged |
| Trexquant Investment LP | 37,468 | $209.0K | 0.02% | +37,468 | New |
| Dimensional Fund Advisors LP | 38,212 | $213.0K | 0.00% | −11,990−23.9% | Reduced |
| Virginia Retirement Systems Et Al | 43,300 | $242.0K | 0.00% | +16,600+62.2% | Added |
| Acadian Asset Management LLC | 44,344 | $246.0K | 0.00% | +44,344 | New |
| Jump Financial, LLC | 44,438 | $248.0K | 0.02% | +44,438 | New |
| Russell Investments Group, Ltd. | 45,076 | $251.0K | 0.00% | −403−0.9% | Reduced |
| Cubist Systematic Strategies, LLC | 46,991 | $262.0K | 0.00% | +21,655+85.5% | Added |
| California State Teachers Retirement System | 48,741 | $272.0K | 0.00% | −1,237−2.5% | Reduced |
| Parametric Portfolio Associates LLC | 51,320 | $286.0K | 0.00% | +37,900+282.4% | Added |
| Rhumbline Advisers | 51,950 | $290.0K | 0.00% | +2,020+4.0% | Added |
| Barclays PLC | 56,751 | $316.0K | 0.00% | +18,850+49.7% | Added |
| Wells Fargo & Company | 58,495 | $327.0K | 0.00% | −3,801−6.1% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 66,866 | $373.0K | 0.00% | +66,866 | New |
| DekaBank Deutsche Girozentrale | 71,000 | $394.0K | 0.00% | 00.0% | Unchanged |
| PDT Partners, LLC | 73,017 | $407.0K | 0.03% | +16,615+29.5% | Added |
| Deutsche Bank AG | 74,731 | $417.0K | 0.00% | +17,327+30.2% | Added |
| Swiss National Bank | 80,100 | $447.0K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 83,837 | $468.0K | 0.00% | −18,117−17.8% | Reduced |
| Ameriprise Financial Inc | 84,919 | $474.0K | 0.00% | +9,087+12.0% | Added |
| Charles Schwab Investment Management Inc | 91,882 | $513.0K | 0.00% | −156,512−63.0% | Reduced |
| Citigroup Inc | 93,660 | $523.0K | 0.00% | −167,078−64.1% | Reduced |
| Kennedy Capital Management, Inc. | 100,705 | $562.0K | 0.01% | +1,292+1.3% | Added |
| Walleye Capital LLC | 118,872 | $663.0K | 0.02% | +118,872 | New |
| Bank of New York Mellon Corp | 145,456 | $813.0K | 0.00% | +28,295+24.2% | Added |
| HRT Financial LP | 160,681 | $896.0K | 0.01% | +160,681 | New |
| Gsa Capital Partners LLP | 188,768 | $1.05M | 0.11% | +119,382+172.1% | Added |
| Nuveen Asset Management, LLC | 170,996 | $1.06M | 0.00% | +2,632+1.6% | Added |
| Point72 Asset Management, L.P. | 230,000 | $1.28M | 0.01% | −285,000−55.3% | Reduced |
| Jacobs Levy Equity Management, Inc | 280,237 | $1.56M | 0.01% | −62,650−18.3% | Reduced |
| Two Sigma Advisers, LP | 285,300 | $1.59M | 0.00% | +207,900+268.6% | Added |
| New Leaf Venture Partners, L.L.C. | 315,550 | $1.76M | 0.51% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 327,248 | $1.83M | 0.00% | +205,800+169.5% | Added |
| Northern Trust Corp | 358,392 | $2.00M | 0.00% | −16,047−4.3% | Reduced |
| Eversept Partners, LP | 359,480 | $2.01M | 0.16% | +359,480 | New |
| Morgan Stanley | 360,120 | $2.01M | 0.00% | −88,524−19.7% | Reduced |
| Renaissance Technologies LLC | 405,100 | $2.26M | 0.00% | +316,100+355.2% | Added |
| Goldman Sachs Group Inc | 432,138 | $2.41M | 0.00% | +330.0% | Added |
| Geode Capital Management, LLC | 576,884 | $3.22M | 0.00% | −44,979−7.2% | Reduced |
| Farallon Capital Management, L.L.C. | 740,000 | $4.13M | 0.02% | 00.0% | Unchanged |
| Millennium Management LLC | 839,949 | $4.69M | 0.01% | +271,626+47.8% | Added |
| MPM Oncology Impact Management LP | 861,858 | $4.81M | 0.75% | +861,858 | New |
| State Street Corp | 901,421 | $5.03M | 0.00% | −1,870,329−67.5% | Reduced |
| Aisling Capital Management LP | 1,009,779 | $5.63M | 1.12% | 00.0% | Unchanged |
| Citadel Advisors LLC | 1,080,328 | $6.03M | 0.01% | −247,258−18.6% | Reduced |
| Vanguard Group Inc | 1,720,488 | $9.60M | 0.00% | +15,066+0.9% | Added |
| GMT Capital Corp | 2,133,214 | $11.9M | 1.05% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 2,388,380 | $13.3M | 0.03% | −36,572−1.5% | Reduced |
| Camber Capital Management LP | 3,133,333 | $17.5M | 0.65% | 00.0% | Unchanged |
| BlackRock Inc. | 3,614,455 | $20.2M | 0.00% | +79,695+2.3% | Added |