Funds holding Tectonic Therapeutic Inc
118 funds declare a position · 17 ETFs and 101 other funds · 91.9M $ · US8789721086
Each line carries its report date.
| Rank | Fund | Shares | Value | Weight | |
|---|---|---|---|---|---|
| 1 | Fidelity Growth Company Fund Fidelity Mt. Vernon Street Trust | 699,971 | 16.4M $ | 0.02 % | as of Feb 28, 2026 · Original filing |
| 2 | Select Biotechnology Portfolio Fidelity Select Portfolios | 442,889 | 10.4M $ | 0.19 % | as of Feb 28, 2026 · Original filing |
| 3 | VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 349,413 | 10.8M $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 4 | iShares Russell 2000 ETF iShares Trust | 270,319 | 8.4M $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 5 | Fidelity Growth Company K6 Fund Fidelity Mt. Vernon Street Trust | 245,835 | 5.8M $ | 0.02 % | as of Feb 28, 2026 · Original filing |
| 6 | Fidelity Series Growth Company Fund Fidelity Mt. Vernon Street Trust | 190,922 | 4.5M $ | 0.02 % | as of Feb 28, 2026 · Original filing |
| 7 | Columbia Small Cap Growth Fund COLUMBIA FUNDS SERIES TRUST I | 124,502 | 2.9M $ | 0.09 % | as of Feb 28, 2026 · Original filing |
| 8 | T. Rowe Price Health Sciences Fund, Inc. T. ROWE PRICE HEALTH SCIENCES FUND, INC. | 122,254 | 3.8M $ | 0.03 % | as of Mar 31, 2026 · Original filing |
| 9 | Fidelity Advisor Biotechnology Fund Fidelity Advisor Series VII | 120,995 | 3.4M $ | 0.18 % | as of Apr 30, 2026 · Original filing |
| 10 | VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 111,570 | 3.4M $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 11 | Fidelity Small Cap Index Fund Fidelity Salem Street Trust | 108,806 | 3M $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 12 | iShares Russell 2000 Value ETF iShares Trust | 76,514 | 2.4M $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 13 | iShares Biotechnology ETF iShares Trust | 75,889 | 2.3M $ | 0.03 % | as of Mar 31, 2026 · Original filing |
| 14 | VANGUARD RUSSELL 2000 INDEX FUND VANGUARD SCOTTSDALE FUNDS | 54,438 | 1.3M $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 15 | Fidelity Extended Market Index Fund Fidelity Concord Street Trust | 52,093 | 1.2M $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 16 | iShares Micro-Cap ETF iShares Trust | 27,696 | 856.1K $ | 0.07 % | as of Mar 31, 2026 · Original filing |
| 17 | Schwab Small-Cap Index Fund SCHWAB CAPITAL TRUST | 24,293 | 679.5K $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 18 | Fidelity Total Market Index Fund Fidelity Concord Street Trust | 19,826 | 464.9K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 19 | Master Small Cap Index Series Quantitative Master Series LLC | 19,034 | 588.3K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 20 | ALPS Medical Breakthroughs ETF ALPS ETF TRUST | 16,682 | 391.2K $ | 0.28 % | as of Feb 28, 2026 · Original filing |
| 21 | JPMorgan U.S. Small Company Fund JPMorgan Trust I | 14,979 | 463K $ | 0.05 % | as of Mar 31, 2026 · Original filing |
| 22 | Fidelity Series Total Market Index Fund Fidelity Concord Street Trust | 14,801 | 347.1K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 23 | iShares Russell 2000 Growth ETF iShares Trust | 14,482 | 447.6K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 24 | Virtus Biotech Clinical Trials Etf ETFis Series Trust I | 13,966 | 390.6K $ | 1.05 % | as of Apr 30, 2026 · Original filing |
| 25 | Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust | 12,644 | 296.5K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 26 | Nuveen Small Cap Blend Index Fund TIAA-CREF Funds | 12,033 | 336.6K $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 27 | Avantis U.S. Small Cap Equity ETF American Century ETF Trust | 11,381 | 266.9K $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 28 | Fidelity Small Cap Value Index Fund Fidelity Salem Street Trust | 11,285 | 348.8K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 29 | EQ/2000 Managed Volatility Portfolio EQ Advisors Trust | 10,609 | 327.9K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 30 | JPMorgan Small Cap Value Fund JPMorgan Trust II | 9,344 | 288.8K $ | 0.03 % | as of Mar 31, 2026 · Original filing |
| 31 | Columbia Variable Portfolio - Small Company Growth Fund COLUMBIA FUNDS VARIABLE INSURANCE TRUST | 9,089 | 280.9K $ | 0.13 % | as of Mar 31, 2026 · Original filing |
| 32 | Dimensional U.S. Small Cap ETF Dimensional ETF Trust | 7,996 | 223.6K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 33 | LVIP SSGA Small-Cap Index Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 7,800 | 241.1K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 34 | T. Rowe Price Health Sciences Portfolio T. ROWE PRICE EQUITY SERIES, INC. | 7,600 | 234.9K $ | 0.04 % | as of Mar 31, 2026 · Original filing |
| 35 | NORTH SQUARE KENNEDY MICROCAP FUND Exchange Place Advisors Trust | 7,386 | 173.2K $ | 0.58 % | as of Feb 28, 2026 · Original filing |
| 36 | AlphaCentric Life Sciences and Healthcare Fund MUTUAL FUND SERIES TRUST | 6,849 | 211.7K $ | 0.54 % | as of Mar 31, 2026 · Original filing |
| 37 | VANGUARD RUSSELL 2000 VALUE INDEX FUND VANGUARD SCOTTSDALE FUNDS | 6,636 | 155.6K $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 38 | VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS | 6,494 | 200.7K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 39 | VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS | 5,979 | 184.8K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 40 | Small Cap Index Fund Northern Funds | 5,470 | 169.1K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 41 | iShares Russell 3000 ETF iShares Trust | 5,360 | 165.7K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 42 | Fidelity ZERO Total Market Index Fund Fidelity Concord Street Trust | 5,330 | 149.1K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 43 | Global X Russell 2000 ETF GLOBAL X FUNDS | 4,783 | 133.8K $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 44 | Schwab Total Stock Market Index Fund SCHWAB CAPITAL TRUST | 4,711 | 131.8K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 45 | Small Cap Index Fund VALIC Co I | 4,416 | 103.6K $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 46 | Bridge Builder Small/Mid Cap Value Fund Bridge Builder Trust | 4,323 | 133.6K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 47 | ATM Small Cap Managed Volatility Portfolio EQ Advisors Trust | 4,235 | 130.9K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 48 | MetLife Russell 2000 Index Portfolio Brighthouse Funds Trust II | 4,059 | 125.5K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 49 | ACUITAS US MICROCAP FUND FORUM FUNDS II | 3,998 | 123.6K $ | 0.13 % | as of Mar 31, 2026 · Original filing |
| 50 | STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO STATE STREET INSTITUTIONAL INVESTMENT TRUST | 3,900 | 120.5K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 51 | Fidelity ZERO Extended Market Index Fund Fidelity Concord Street Trust | 3,542 | 99.1K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 52 | LVIP JPMorgan Small Cap Core Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 3,294 | 101.8K $ | 0.05 % | as of Mar 31, 2026 · Original filing |
| 53 | SIIT SMALL CAP II FUND SEI INSTITUTIONAL INVESTMENTS TRUST | 3,197 | 75K $ | 0.03 % | as of Feb 28, 2026 · Original filing |
| 54 | SIIT SMALL CAP FUND SEI INSTITUTIONAL INVESTMENTS TRUST | 3,190 | 74.8K $ | 0.04 % | as of Feb 28, 2026 · Original filing |
| 55 | Small-Cap Index Portfolio PACIFIC SELECT FUND | 2,888 | 89.3K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 56 | Health Sciences Trust John Hancock Variable Insurance Trust | 2,700 | 83.5K $ | 0.04 % | as of Mar 31, 2026 · Original filing |
| 57 | JPMorgan Small Cap Value Portfolio Brighthouse Funds Trust I | 2,510 | 77.6K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 58 | VY(R) JPMORGAN SMALL CAP CORE EQUITY PORTFOLIO Voya Investors Trust | 2,160 | 66.8K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 59 | NVIT Small Cap Index Fund Nationwide Variable Insurance Trust | 2,061 | 63.7K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 60 | Small Cap Index Trust John Hancock Variable Insurance Trust | 2,015 | 62.3K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 61 | 1290 VT Micro Cap Portfolio EQ Advisors Trust | 1,956 | 60.5K $ | 0.03 % | as of Mar 31, 2026 · Original filing |
| 62 | EQ/T.Rowe Price Health Sciences Portfolio EQ Advisors Trust | 1,900 | 58.7K $ | 0.04 % | as of Mar 31, 2026 · Original filing |
| 63 | iShares Russell Small/Mid-Cap Index Fund BlackRock Funds | 1,775 | 49.6K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 64 | VANGUARD RUSSELL 2000 GROWTH INDEX FUND VANGUARD SCOTTSDALE FUNDS | 1,761 | 41.3K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 65 | EQ/AB Small Cap Growth Portfolio EQ Advisors Trust | 1,720 | 53.2K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 66 | EQ/Small Company Index Portfolio EQ Advisors Trust | 1,720 | 53.2K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 67 | DWS Small Cap Index VIP DEUTSCHE DWS INVESTMENTS VIT FUNDS | 1,536 | 47.5K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 68 | U.S. SMALL CAP PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 1,512 | 42.3K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 69 | T. Rowe Price Small-Cap Index Fund T. ROWE PRICE INDEX TRUST, INC. | 1,473 | 45.5K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 70 | Fidelity Flex Small Cap Index Fund Fidelity Salem Street Trust | 1,472 | 41.2K $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 71 | Fidelity Small Cap Growth Index Fund Fidelity Salem Street Trust | 1,447 | 44.7K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 72 | 1290 VT Small Cap Value Portfolio EQ Advisors Trust | 1,430 | 44.2K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 73 | BlackRock Small Cap Index V.I. Fund BlackRock Variable Series Funds, Inc. | 1,392 | 43K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 74 | SIIT EXTENDED MARKET INDEX FUND SEI INSTITUTIONAL INVESTMENTS TRUST | 1,300 | 30.5K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 75 | SA Small Cap Index Portfolio SUNAMERICA SERIES TRUST | 1,262 | 35.3K $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 76 | Voya RussellTM Small Cap Index Portfolio Voya VARIABLE PORTFOLIOS INC | 1,188 | 36.7K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 77 | CVT Russell 2000 Small Cap Index Portfolio Calvert Variable Trust, Inc. | 1,122 | 34.7K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 78 | Invesco Nasdaq Biotechnology ETF Invesco Exchange-Traded Fund Trust II | 1,045 | 24.5K $ | 0.03 % | as of Feb 28, 2026 · Original filing |
| 79 | Victory Extended Market Index Fund Victory Portfolios III | 1,023 | 28.6K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 80 | VANGUARD RUSSELL 3000 INDEX FUND VANGUARD SCOTTSDALE FUNDS | 1,002 | 23.5K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 81 | Nationwide Small Cap Index Fund Nationwide Mutual Funds | 964 | 27K $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 82 | ProShares Ultra Nasdaq Biotechnology ProShares Trust | 864 | 20.3K $ | 0.02 % | as of Feb 28, 2026 · Original filing |
| 83 | Venerable Small Cap Index Fund Venerable Variable Insurance Trust | 832 | 25.7K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 84 | Strategic Equity Allocation Trust John Hancock Variable Insurance Trust | 757 | 23.4K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 85 | SA Multi-Managed Small Cap Portfolio SEASONS SERIES TRUST | 724 | 22.4K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 86 | PD Small-Cap Value Index Portfolio PACIFIC SELECT FUND | 720 | 22.3K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 87 | ProShares Ultra Russell2000 ProShares Trust | 678 | 15.9K $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 88 | ProShares UltraPro Russell2000 ProShares Trust | 671 | 15.7K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 89 | Voya VACS Index Series SC Portfolio Voya VARIABLE PORTFOLIOS INC | 660 | 20.4K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 90 | VIP Extended Market Index Portfolio Variable Insurance Products Fund II | 615 | 19K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 91 | Hypatia Women CEO ETF Two Roads Shared Trust | 571 | 16K $ | 0.18 % | as of Apr 30, 2026 · Original filing |
| 92 | ProShares Russell 2000 High Income ETF ProShares Trust | 476 | 11.2K $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 93 | Small-Cap Equity Portfolio PACIFIC SELECT FUND | 420 | 13K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 94 | Bridge Builder Small/Mid Cap Growth Fund Bridge Builder Trust | 393 | 12.1K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 95 | EQ/Franklin Small Cap Value Managed Volatility Portfolio EQ Advisors Trust | 386 | 11.9K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 96 | Destinations Small-Mid Cap Equity Fund Brinker Capital Destinations Trust | 363 | 8.5K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 97 | SmallCap Value Fund II Principal Funds, Inc | 346 | 9.7K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 98 | Total Stock Market Index Trust John Hancock Variable Insurance Trust | 338 | 10.4K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 99 | EQ/Morgan Stanley Small Cap Growth Portfolio EQ Advisors Trust | 309 | 9.6K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 100 | Penn Series Small Cap Index Fund Penn Series Funds Inc | 300 | 9.3K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
Institutional managers
106 managers declare this company to the SEC (Form 13F). These positions are not counted in the totals above: a manager and its own funds file separately.
| Manager | Shares | Value | |
|---|---|---|---|
| FMR LLC | 2,816,494 | 87.1M $ | as of Mar 31, 2026 |
| TCG Crossover Management, LLC | 1,204,891 | 37.2M $ | as of Mar 31, 2026 |
| Aberdeen Group plc | 1,141,824 | 35.3M $ | as of Mar 31, 2026 |
| BlackRock, Inc. | 860,352 | 26.6M $ | as of Mar 31, 2026 |
| BRAIDWELL LP | 847,151 | 26.2M $ | as of Mar 31, 2026 |
| First Light Asset Management, LLC | 647,743 | 20M $ | as of Mar 31, 2026 |
| BAKER BROS. ADVISORS LP | 607,788 | 18.8M $ | as of Mar 31, 2026 |
| 5AM Venture Management, LLC | 606,660 | 18.8M $ | as of Mar 31, 2026 |
| Vestal Point Capital, LP | 328,000 | 10.1M $ | as of Mar 31, 2026 |
| KENNEDY CAPITAL MANAGEMENT LLC | 286,682 | 8.9M $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 268,273 | 8.3M $ | as of Mar 31, 2026 |
| MARSHALL WACE, LLP | 229,595 | 7.1M $ | as of Mar 31, 2026 |
| ORBIMED ADVISORS LLC | 226,600 | 7M $ | as of Mar 31, 2026 |
| STATE STREET CORP | 213,505 | 6.6M $ | as of Mar 31, 2026 |
| Squarepoint Ops LLC | 164,419 | 5.1M $ | as of Mar 31, 2026 |
| Ikarian Capital, LLC | 157,537 | 4.9M $ | as of Mar 31, 2026 |
| AMERIPRISE FINANCIAL INC | 143,432 | 4.4M $ | as of Mar 31, 2026 |
| Opaleye Management Inc. | 123,000 | 3.8M $ | as of Mar 31, 2026 |
| Soleus Capital Management, L.P. | 121,684 | 3.8M $ | as of Mar 31, 2026 |
| D. E. Shaw & Co., Inc. | 116,120 | 3.6M $ | as of Mar 31, 2026 |
| WELLS FARGO & COMPANY/MN | 112,664 | 3.5M $ | as of Mar 31, 2026 |
| Woodline Partners LP | 100,000 | 3.1M $ | as of Mar 31, 2026 |
| Prosight Management, LP | 79,872 | 2.5M $ | as of Mar 31, 2026 |
| NORTHERN TRUST CORP | 78,353 | 2.4M $ | as of Mar 31, 2026 |
| Point72 Asset Management, L.P. | 68,598 | 2.1M $ | as of Mar 31, 2026 |