Tectonic Therapeutic, Inc. - TECX
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| FMR LLC | History | No change | 2,830,378 | 97,294 | 0.0% | 0.0% | 1 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| TCG Crossover Management, LLC | History | No change | 1,204,891 | 41,418 | 1.0% | 1.0% | 2 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Aberdeen Group plc | History | No change | 1,141,824 | 39,250 | 0.06% | 0.06% | 3 | 0 | 0.0% | Q2 2026 | Jul 31, 2026 |
| BlackRock, Inc. | History | No change | 862,592 | 29,651 | 0.0% | 0.0% | 4 | 0 | 0.0% | Q2 2026 | Aug 07, 2026 |
| First Light Asset Management, LLC | History | No change | 800,726 | 27,524 | 1.67% | 1.67% | 5 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| BAKER BROS. ADVISORS LP | History | No change | 607,788 | 20,892 | 0.1% | 0.1% | 6 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| 5AM Venture Management, LLC | History | No change | 606,660 | 20,853 | 7.24% | 7.24% | 7 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| BRAIDWELL LP | History | No change | 596,900 | 20,518 | 0.76% | 0.76% | 8 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | No change | 488,805 | 16,802 | 0.0% | 0.0% | 9 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| Vestal Point Capital, LP | History | No change | 425,000 | 14,609 | 0.34% | 0.34% | 10 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Bollard Group LLC | History | No change | 302,953 | 10,414 | 0.32% | 0.32% | 11 | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| KENNEDY CAPITAL MANAGEMENT LLC | History | No change | 282,202 | 9,700 | 0.17% | 0.17% | 12 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | No change | 270,461 | 9,299 | 0.0% | 0.0% | 13 | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| ORBIMED ADVISORS LLC | History | No change | 226,600 | 7,789 | 0.14% | 0.14% | 14 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| STATE STREET CORP | History | No change | 219,908 | 7,559 | 0.0% | 0.0% | 15 | 0 | 0.0% | Q2 2026 | Sep 22, 2026 |
| Ikarian Capital, LLC | History | No change | 205,837 | 7,075 | 0.76% | 0.76% | 16 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | No change | 187,700 | 6,453 | 0.0% | 0.0% | 17 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| D. E. Shaw & Co., Inc. | History | No change | 186,550 | 6,412 | 0.0% | 0.0% | 18 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| MARSHALL WACE, LLP | History | No change | 172,101 | 5,916 | 0.0% | 0.0% | 19 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | No change | 165,525 | 5,689 | 0.0% | 0.0% | 20 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Squarepoint Ops LLC | History | No change | 145,028 | 4,985 | 0.01% | 0.01% | 21 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| AMERIPRISE FINANCIAL INC | History | No change | 142,448 | 4,896 | 0.0% | 0.0% | 22 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| WELLS FARGO & COMPANY/MN | History | No change | 117,428 | 4,036 | 0.0% | 0.0% | 23 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| NORTHERN TRUST CORP | History | No change | 113,904 | 3,915 | 0.0% | 0.0% | 24 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| CITADEL ADVISORS LLC | History | No change | 107,393 | 3,691 | 0.0% | 0.0% | 25 | 0 | 0.0% | Q2 2026 | Sep 02, 2026 |
| Soleus Capital Management, L.P. | History | No change | 101,684 | 3,495 | 0.12% | 0.12% | 26 | 0 | 0.0% | Q2 2026 | Aug 11, 2026 |
| Woodline Partners LP | History | No change | 100,000 | 3,437 | 0.01% | 0.01% | 27 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | History | No change | 94,414 | 3,245 | 0.0% | 0.0% | 28 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| GOLDMAN SACHS GROUP INC | History | No change | 73,924 | 2,541 | 0.0% | 0.0% | 29 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| RAYMOND JAMES FINANCIAL INC | History | No change | 72,674 | 2,498 | 0.0% | 0.0% | 30 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| SECTORAL ASSET MANAGEMENT INC | History | No change | 71,009 | 2,440 | 1.7% | 1.7% | 31 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | No change | 68,394 | 2,351 | 0.0% | 0.0% | 32 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| JANE STREET GROUP, LLC | History | No change | 65,821 | 2,262 | 0.0% | 0.0% | 33 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| MORGAN STANLEY | History | No change | 65,373 | 2,247 | 0.0% | 0.0% | 34 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| Connor, Clark & Lunn Investment Management Ltd. | History | No change | 64,940 | 2,232 | 0.0% | 0.0% | 35 | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| BOOTHBAY FUND MANAGEMENT, LLC | History | No change | 60,771 | 2,089 | 0.03% | 0.03% | 36 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| JPMORGAN CHASE & CO | History | No change | 55,364 | 1,831 | 0.0% | 0.0% | 37 | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | History | No change | 48,001 | 1,651 | 0.0% | 0.0% | 38 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Tetragon Partners GP Ltd | History | No change | 46,516 | 1,598 | 0.25% | 0.25% | 39 | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| PFM Health Sciences, LP | History | No change | 45,631 | 1,568 | 0.13% | 0.13% | 40 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| HRT FINANCIAL LP | History | No change | 44,540 | 1,531 | 0.0% | 0.0% | 41 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Jump Financial, LLC | History | No change | 43,400 | 1,491 | 0.01% | 0.01% | 42 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| Prosight Management, LP | History | No change | 39,731 | 1,365 | 0.24% | 0.24% | 43 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Trexquant Investment LP | History | No change | 36,991 | 1,271 | 0.01% | 0.01% | 44 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Aldebaran Capital, LLC | History | No change | 36,797 | 1,264 | 0.95% | 0.95% | 45 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Added to | 53,705 | 1,250 | 0.0% | 0.0% | 46 | +43,262 | 414.27% | Q3 2026 | Nov 04, 2026 |
| ExodusPoint Capital Management, LP | History | No change | 35,239 | 1,211 | 0.01% | 0.01% | 47 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | History | No change | 31,432 | 1,080 | 0.0% | 0.0% | 48 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | No change | 30,438 | 1,046 | 0.0% | 0.0% | 49 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| MONIMUS CAPITAL MANAGEMENT, LP | History | No change | 28,143 | 967 | 0.22% | 0.22% | 50 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Y-Intercept (Hong Kong) Ltd | History | New | 41,463 | 965 | 0.02% | — | 51 | +41,463 | New | Q3 2026 | Oct 16, 2026 |
| Fisher Asset Management, LLC | History | No change | 19,122 | 657 | 0.0% | 0.0% | 52 | 0 | 0.0% | Q2 2026 | Aug 04, 2026 |
| AMERICAN CENTURY COMPANIES INC | History | No change | 19,001 | 653 | 0.0% | 0.0% | 53 | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| SIMPLEX TRADING, LLC | History | Added to | 27,520 | 640 | 0.0% | 0.0% | 54 | +27,081 | 6168.79% | Q3 2026 | Nov 04, 2026 |
| Quadrature Capital Ltd | History | No change | 18,067 | 621 | 0.01% | 0.01% | 55 | 0 | 0.0% | Q2 2026 | Aug 06, 2026 |
| ALPS ADVISORS INC | History | Added to | 25,886 | 602 | 0.0% | 0.0% | 56 | +6,739 | 35.2% | Q3 2026 | Nov 02, 2026 |
| Bank of New York Mellon Corp | History | Added to | 25,636 | 597 | 0.0% | 0.0% | 57 | +389 | 1.54% | Q3 2026 | Nov 05, 2026 |
| SEI INVESTMENTS CO | History | No change | 17,029 | 585 | 0.0% | 0.0% | 58 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Clearstead Advisors, LLC | History | No change | 16,630 | 571 | 0.01% | 0.01% | 59 | 0 | 0.0% | Q2 2026 | Aug 06, 2026 |
| UBS Group AG | History | No change | 15,055 | 517 | 0.0% | 0.0% | 60 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| ADAR1 Capital Management, LLC | History | No change | 14,501 | 498 | 0.02% | 0.02% | 61 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| RHUMBLINE ADVISERS | History | No change | 13,773 | 473 | 0.0% | 0.0% | 62 | 0 | 0.0% | Q2 2026 | Aug 11, 2026 |
| Nuveen, LLC | History | No change | 13,514 | 464 | 0.0% | 0.0% | 63 | 0 | 0.0% | Q2 2026 | Aug 11, 2026 |
| BANK OF AMERICA CORP /DE/ | History | No change | 11,043 | 379 | 0.0% | 0.0% | 64 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Virtus Investment Advisers, LLC | History | No change | 10,806 | 371 | 0.09% | 0.09% | 65 | 0 | 0.0% | Q2 2026 | Aug 11, 2026 |
| DEUTSCHE BANK AG\ | History | No change | 10,039 | 345 | 0.0% | 0.0% | 66 | 0 | 0.0% | Q2 2026 | Aug 07, 2026 |
| Brevan Howard Capital Management LP | History | No change | 9,573 | 329 | 0.0% | 0.0% | 67 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| BARCLAYS PLC | History | No change | 9,128 | 313 | 0.0% | 0.0% | 68 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| FOX RUN MANAGEMENT, L.L.C. | History | No change | 8,865 | 304 | 0.05% | 0.05% | 69 | 0 | 0.0% | Q2 2026 | Aug 04, 2026 |
| Vanguard Global Advisers, LLC | History | No change | 8,765 | 301 | 0.0% | 0.0% | 70 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| STRS OHIO | History | New | 12,200 | 284 | 0.0% | — | 72 | +12,200 | New | Q3 2026 | Oct 30, 2026 |
| GSA CAPITAL PARTNERS LLP | History | No change | 8,275 | 284 | 0.02% | 0.02% | 71 | 0 | 0.0% | Q2 2026 | Aug 06, 2026 |
| China Universal Asset Management Co., Ltd. | History | Added to | 10,767 | 251 | 0.01% | 0.01% | 73 | +5,264 | 95.66% | Q3 2026 | Oct 27, 2026 |
| MetLife Investment Management, LLC | History | No change | 6,724 | 231 | 0.0% | 0.0% | 74 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| ALLIANCEBERNSTEIN L.P. | History | No change | 7,460 | 230 | 0.0% | 0.0% | 75 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| AQR CAPITAL MANAGEMENT LLC | History | No change | 6,617 | 227 | 0.0% | 0.0% | 76 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Invesco Ltd. | History | No change | 6,388 | 219 | 0.0% | 0.0% | 77 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM | History | No change | 6,060 | 208 | 0.0% | 0.0% | 78 | 0 | 0.0% | Q2 2026 | Aug 10, 2026 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | History | No change | 5,996 | 206 | 0.0% | 0.0% | 79 | 0 | 0.0% | Q2 2026 | Sep 09, 2026 |
| Rangeley Capital, LLC | History | No change | 6,000 | 206 | 0.19% | 0.19% | 80 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Velan Capital Investment Management LP | History | No change | 6,000 | 206 | 0.13% | 0.13% | 81 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Russell Investments Group, Ltd. | History | No change | 5,567 | 191 | 0.0% | 0.0% | 82 | 0 | 0.0% | Q2 2026 | Aug 06, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | No change | 5,146 | 176 | 0.0% | 0.0% | 83 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| AlphaCentric Advisors LLC | History | Added to | 7,161 | 166 | 0.15% | 0.2% | 84 | +213 | 3.07% | Q3 2026 | Nov 03, 2026 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | History | No change | 4,694 | 161 | 0.0% | 0.0% | 85 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| NEW YORK STATE COMMON RETIREMENT FUND | History | No change | 4,600 | 158 | 0.0% | 0.0% | 86 | 0 | 0.0% | Q2 2026 | Jul 29, 2026 |
| NISA INVESTMENT ADVISORS, LLC | History | No change | 5,400 | 125 | 0.0% | 0.0% | 87 | 0 | 0.0% | Q3 2026 | Oct 20, 2026 |
| Police & Firemen's Retirement System of New Jersey | History | No change | 2,638 | 90 | 0.0% | 0.0% | 88 | 0 | 0.0% | Q2 2026 | Jul 23, 2026 |
| CITIGROUP INC | History | Reduced | 2,846 | 66 | 0.0% | 0.0% | 89 | -2,702 | -48.7% | Q3 2026 | Nov 04, 2026 |
| Quantbot Technologies LP | History | No change | 1,819 | 62 | 0.0% | 0.0% | 90 | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| Ameritas Investment Partners, Inc. | History | No change | 1,122 | 38 | 0.0% | 0.0% | 91 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| Legal & General Group Plc | History | No change | 1,000 | 34 | 0.0% | 0.0% | 92 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| US BANCORP \DE\ | History | Reduced | 1,070 | 24 | 0.0% | 0.0% | 93 | -10 | -0.93% | Q3 2026 | Nov 05, 2026 |
| Arax Advisory Partners | History | No change | 725 | 24 | 0.0% | 0.0% | 94 | 0 | 0.0% | Q2 2026 | Aug 10, 2026 |
| Mirae Asset Global Investments Co., Ltd. | History | Added to | 999 | 23 | 0.0% | 0.0% | 95 | +155 | 18.36% | Q3 2026 | Oct 28, 2026 |
| Tower Research Capital LLC (TRC) | History | No change | 661 | 22 | 0.0% | 0.0% | 96 | 0 | 0.0% | Q2 2026 | Aug 11, 2026 |
| HighMark Wealth Management LLC | History | No change | 587 | 20 | 0.01% | 0.01% | 97 | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| Chung Wu Investment Group, LLC | History | No change | 800 | 18 | 0.01% | 0.02% | 98 | 0 | 0.0% | Q3 2026 | Nov 03, 2026 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | History | No change | 382 | 13 | 0.0% | 0.0% | 99 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| Rockefeller Capital Management L.P. | History | No change | 370 | 12 | 0.0% | 0.0% | 100 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| ROYAL BANK OF CANADA | History | No change | 311 | 11 | 0.0% | 0.0% | 101 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| GF FUND MANAGEMENT CO. LTD. | History | Added to | 433 | 10 | 0.0% | 0.0% | 102 | +33 | 8.25% | Q3 2026 | Oct 26, 2026 |
| State of Wyoming | History | Reduced | 399 | 9 | 0.0% | 0.0% | 103 | -202 | -33.61% | Q3 2026 | Oct 28, 2026 |
| Federation des caisses Desjardins du Quebec | History | No change | 250 | 8 | 0.0% | 0.0% | 104 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| GAMMA Investing LLC | History | Added to | 314 | 7 | 0.0% | 0.0% | 105 | +24 | 8.28% | Q3 2026 | Oct 08, 2026 |
| Sterling Capital Management LLC | History | Added to | 237 | 5 | 0.0% | 0.0% | 106 | +61 | 34.66% | Q3 2026 | Oct 22, 2026 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | History | No change | 141 | 4 | 0.0% | 0.0% | 107 | 0 | 0.0% | Q2 2026 | Aug 24, 2026 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | No change | 40 | 1 | 0.0% | 0.0% | 108 | 0 | 0.0% | Q2 2026 | Aug 07, 2026 |
| Allworth Financial LP | History | No change | 52 | 1 | 0.0% | 0.0% | 109 | 0 | 0.0% | Q2 2026 | Aug 11, 2026 |
| Marshall & Sterling Wealth Advisors Inc. | History | No change | 50 | 1 | 0.0% | 0.0% | 110 | 0 | 0.0% | Q3 2026 | Oct 28, 2026 |
| Creative Planning | History | Closed out | 0 | 0 | — | 0.0% | — | -8,961 | -100.0% | Q3 2026 | Nov 02, 2026 |
| Axiom Investment Management LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -125 | -100.0% | Q3 2026 | Nov 03, 2026 |
| Farther Finance Advisors, LLC | History | Reduced | 3 | 0 | — | 0.0% | — | -73 | -96.05% | Q3 2026 | Oct 08, 2026 |
| Root Financial Partners, LLC | History | New | 16 | 0 | — | — | — | +16 | New | Q3 2026 | Oct 21, 2026 |
| Essential Partners LLC | History | Closed out | 0 | 0 | — | — | — | -5 | -100.0% | Q3 2026 | Oct 14, 2026 |
| EverSource Wealth Advisors, LLC | History | Reduced | 4 | 0 | — | — | — | -3 | -42.86% | Q3 2026 | Nov 04, 2026 |
| SBI Securities Co., Ltd. | History | Added to | 12 | 0 | — | — | — | +1 | 9.09% | Q3 2026 | Oct 21, 2026 |
| HUNTINGTON NATIONAL BANK | History | No change | 13 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| ROTHSCHILD INVESTMENT LLC | History | No change | 2 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 06, 2026 |
| First Bancorp, Inc /ME/ | History | No change | 8 | 0 | — | — | — | 0 | 0.0% | Q3 2026 | Oct 26, 2026 |
| NATIONAL BANK OF CANADA /FI/ | History | No change | 6 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 10, 2026 |
| EASTERN BANK | History | No change | 13 | 0 | — | — | — | 0 | 0.0% | Q3 2026 | Oct 05, 2026 |
| Zurcher Kantonalbank (Zurich Cantonalbank) | History | No change | 3 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 11, 2026 |
| IFP Advisors, Inc | History | No change | 2 | 0 | — | — | — | 0 | 0.0% | Q3 2026 | Oct 16, 2026 |
| OSAIC HOLDINGS, INC. | History | No change | 2 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Caldwell Trust Co | History | No change | 20 | 0 | — | — | — | 0 | 0.0% | Q3 2026 | Oct 30, 2026 |