Funds holding Standard BioTools Inc
104 funds declare a position · 20 ETFs and 84 other funds · 43.6M $ · US34385P1084
Each line carries its report date.
| Rank | Fund | Shares | Value | Weight | |
|---|---|---|---|---|---|
| 1 | VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 8,945,142 | 8.2M $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 2 | iShares Russell 2000 ETF iShares Trust | 7,132,406 | 6.6M $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 3 | VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 3,541,054 | 3.3M $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 4 | Fidelity Small Cap Index Fund Fidelity Salem Street Trust | 2,838,687 | 2.6M $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 5 | iShares Biotechnology ETF iShares Trust | 2,747,556 | 2.5M $ | 0.03 % | as of Mar 31, 2026 · Original filing |
| 6 | iShares Russell 2000 Value ETF iShares Trust | 2,479,852 | 2.3M $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 7 | VANGUARD RUSSELL 2000 INDEX FUND VANGUARD SCOTTSDALE FUNDS | 1,486,461 | 1.7M $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 8 | Fidelity Extended Market Index Fund Fidelity Concord Street Trust | 1,451,940 | 1.6M $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 9 | Schwab U.S. Small-Cap ETF SCHWAB STRATEGIC TRUST | 1,451,388 | 1.6M $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 10 | Neuberger Intrinsic Value Fund NEUBERGER BERMAN EQUITY FUNDS | 1,037,137 | 1.2M $ | 0.09 % | as of Feb 28, 2026 · Original filing |
| 11 | Royce Micro-Cap Fund ROYCE FUND | 863,296 | 793.6K $ | 0.25 % | as of Mar 31, 2026 · Original filing |
| 12 | VANGUARD HEALTH CARE INDEX FUND VANGUARD WORLD FUND | 747,537 | 844.7K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 13 | iShares Micro-Cap ETF iShares Trust | 724,201 | 665.8K $ | 0.05 % | as of Mar 31, 2026 · Original filing |
| 14 | Inception Portfolio MORGAN STANLEY INSTITUTIONAL FUND INC | 654,866 | 602K $ | 0.25 % | as of Mar 31, 2026 · Original filing |
| 15 | Schwab Small-Cap Index Fund SCHWAB CAPITAL TRUST | 629,837 | 584.9K $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 16 | Fidelity Total Market Index Fund Fidelity Concord Street Trust | 546,390 | 617.4K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 17 | Master Small Cap Index Series Quantitative Master Series LLC | 509,005 | 467.9K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 18 | EQ/Morgan Stanley Small Cap Growth Portfolio EQ Advisors Trust | 503,509 | 462.9K $ | 0.12 % | as of Mar 31, 2026 · Original filing |
| 19 | Fidelity Series Total Market Index Fund Fidelity Concord Street Trust | 440,163 | 497.4K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 20 | Nuveen Small Cap Blend Index Fund TIAA-CREF Funds | 385,828 | 358.3K $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 21 | Fidelity Small Cap Value Index Fund Fidelity Salem Street Trust | 362,410 | 333.2K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 22 | iShares Core S&P Total U.S. Stock Market ETF iShares Trust | 326,030 | 299.7K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 23 | Column Small Cap Select Fund Trust for Professional Managers | 304,387 | 344K $ | 0.02 % | as of Feb 28, 2026 · Original filing |
| 24 | EQ/2000 Managed Volatility Portfolio EQ Advisors Trust | 279,380 | 256.8K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 25 | Royce Capital Fund - Micro-Cap Portfolio ROYCE CAPITAL FUND | 275,104 | 252.9K $ | 0.25 % | as of Mar 31, 2026 · Original filing |
| 26 | Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust | 253,982 | 287K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 27 | Nuveen Equity Index Fund TIAA-CREF Funds | 236,043 | 219.2K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 28 | VANGUARD RUSSELL 2000 VALUE INDEX FUND VANGUARD SCOTTSDALE FUNDS | 217,653 | 245.9K $ | 0.02 % | as of Feb 28, 2026 · Original filing |
| 29 | LVIP SSGA Small-Cap Index Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 208,900 | 192K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 30 | Schwab U.S. Broad Market ETF SCHWAB STRATEGIC TRUST | 178,588 | 201.8K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 31 | EQ/Small Company Index Portfolio EQ Advisors Trust | 169,430 | 155.8K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 32 | VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS | 168,508 | 154.9K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 33 | VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS | 158,162 | 145.4K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 34 | Fidelity ZERO Total Market Index Fund Fidelity Concord Street Trust | 151,023 | 140.3K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 35 | Schwab Total Stock Market Index Fund SCHWAB CAPITAL TRUST | 150,000 | 139.3K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 36 | Morgan Stanley Pathway Small-Mid Cap Equity ETF MORGAN STANLEY PATHWAY FUNDS | 148,793 | 168.1K $ | 0.02 % | as of Feb 28, 2026 · Original filing |
| 37 | Tarkio Fund Clark Fork Trust | 138,525 | 156.5K $ | 0.06 % | as of Feb 28, 2026 · Original filing |
| 38 | Bridge Builder Small/Mid Cap Value Fund Bridge Builder Trust | 127,572 | 117.3K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 39 | Global X Russell 2000 ETF GLOBAL X FUNDS | 124,578 | 115.7K $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 40 | Small Cap Index Fund Northern Funds | 120,675 | 110.9K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 41 | Global X Genomics & Biotechnology ETF GLOBAL X FUNDS | 119,323 | 134.8K $ | 0.26 % | as of Feb 28, 2026 · Original filing |
| 42 | Fidelity MSCI Health Care Index ETF FIDELITY COVINGTON TRUST | 118,488 | 110K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 43 | EQ/AB Small Cap Growth Portfolio EQ Advisors Trust | 115,250 | 105.9K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 44 | Small Cap Index Fund VALIC Co I | 113,627 | 128.4K $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 45 | Fidelity ZERO Extended Market Index Fund Fidelity Concord Street Trust | 103,775 | 96.4K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 46 | STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO STATE STREET INSTITUTIONAL INVESTMENT TRUST | 93,200 | 85.7K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 47 | ATM Small Cap Managed Volatility Portfolio EQ Advisors Trust | 87,157 | 80.1K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 48 | iShares Russell 3000 ETF iShares Trust | 82,567 | 75.9K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 49 | Small-Cap Index Portfolio PACIFIC SELECT FUND | 76,552 | 70.4K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 50 | NVIT Small Cap Index Fund Nationwide Variable Insurance Trust | 61,482 | 56.5K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 51 | Invesco RAFI US 1500 Small-Mid ETF Invesco Exchange-Traded Fund Trust | 56,525 | 52.5K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 52 | Small Cap Index Trust John Hancock Variable Insurance Trust | 53,983 | 49.6K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 53 | Column Small Cap Fund Trust for Professional Managers | 52,128 | 58.9K $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 54 | 1290 VT Micro Cap Portfolio EQ Advisors Trust | 51,678 | 47.5K $ | 0.03 % | as of Mar 31, 2026 · Original filing |
| 55 | SIIT EXTENDED MARKET INDEX FUND SEI INSTITUTIONAL INVESTMENTS TRUST | 49,600 | 56K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 56 | Fidelity Flex Small Cap Index Fund Fidelity Salem Street Trust | 46,105 | 42.8K $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 57 | Invesco NASDAQ Future Gen 200 ETF Invesco Exchange-Traded Fund Trust II | 44,053 | 49.8K $ | 0.35 % | as of Feb 28, 2026 · Original filing |
| 58 | 1290 VT Small Cap Value Portfolio EQ Advisors Trust | 43,646 | 40.1K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 59 | iShares Russell Small/Mid-Cap Index Fund BlackRock Funds | 42,350 | 39.3K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 60 | Victory Extended Market Index Fund Victory Portfolios III | 42,175 | 39.2K $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 61 | DWS Small Cap Index VIP DEUTSCHE DWS INVESTMENTS VIT FUNDS | 42,021 | 38.6K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 62 | BlackRock Small Cap Index V.I. Fund BlackRock Variable Series Funds, Inc. | 37,724 | 34.7K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 63 | Voya RussellTM Small Cap Index Portfolio Voya VARIABLE PORTFOLIOS INC | 36,532 | 33.6K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 64 | SA Small Cap Index Portfolio SUNAMERICA SERIES TRUST | 34,679 | 32.2K $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 65 | T. Rowe Price Small-Cap Index Fund T. ROWE PRICE INDEX TRUST, INC. | 32,615 | 30K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 66 | CVT Russell 2000 Small Cap Index Portfolio Calvert Variable Trust, Inc. | 29,558 | 27.2K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 67 | PD Small-Cap Value Index Portfolio PACIFIC SELECT FUND | 26,599 | 24.5K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 68 | iShares MSCI World Small-Cap ETF iShares Trust | 24,625 | 27.8K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 69 | Nationwide Small Cap Index Fund Nationwide Mutual Funds | 24,356 | 22.6K $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 70 | MetLife Russell 2000 Index Portfolio Brighthouse Funds Trust II | 23,986 | 22.1K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 71 | iShares Total U.S. Stock Market Index Fund BlackRock Funds | 23,888 | 22.2K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 72 | Venerable Small Cap Index Fund Venerable Variable Insurance Trust | 21,634 | 19.9K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 73 | VANGUARD RUSSELL 3000 INDEX FUND VANGUARD SCOTTSDALE FUNDS | 21,308 | 24.1K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 74 | Federated Hermes Global Allocation Fund Federated Hermes Global Allocation Fund | 20,675 | 23.4K $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 75 | Strategic Equity Allocation Trust John Hancock Variable Insurance Trust | 20,438 | 18.8K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 76 | Voya VACS Index Series SC Portfolio Voya VARIABLE PORTFOLIOS INC | 19,804 | 18.2K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 77 | VIP Extended Market Index Portfolio Variable Insurance Products Fund II | 19,192 | 17.6K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 78 | ProShares Ultra Russell2000 ProShares Trust | 18,530 | 20.9K $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 79 | ProShares UltraPro Russell2000 ProShares Trust | 18,470 | 20.9K $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 80 | State Street(R) SPDR(R) Portfolio MSCI Global Stock Market ETF SPDR INDEX SHARES FUNDS | 15,433 | 14.2K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 81 | Small-Cap Equity Portfolio PACIFIC SELECT FUND | 14,463 | 13.3K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 82 | ProShares Russell 2000 High Income ETF ProShares Trust | 12,967 | 14.7K $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 83 | Small Cap Core Fund Northern Funds | 12,341 | 11.3K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 84 | SmallCap Value Fund II Principal Funds, Inc | 10,624 | 9.9K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 85 | Goldman Sachs Absolute Return Tracker Fund GOLDMAN SACHS TRUST | 10,077 | 9.3K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 86 | EQ/Franklin Small Cap Value Managed Volatility Portfolio EQ Advisors Trust | 8,250 | 7.6K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 87 | State Street Total Return V.I.S. Fund STATE STREET VARIABLE INSURANCE SERIES FUNDS INC | 8,037 | 7.4K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 88 | Penn Series Small Cap Index Fund Penn Series Funds Inc | 7,900 | 7.3K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 89 | VIP Total Market Index Portfolio Variable Insurance Products Fund II | 7,294 | 6.7K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 90 | Destinations Small-Mid Cap Equity Fund Brinker Capital Destinations Trust | 7,257 | 8.2K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 91 | Total Stock Market Index Trust John Hancock Variable Insurance Trust | 6,759 | 6.2K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 92 | TIAA Separate Account VA-1 - Stock Index Account TIAA Separate Account VA-1 | 6,445 | 5.9K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 93 | ULTRA SMALL CAP PROFUND ProFunds | 3,244 | 3K $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 94 | State Street Balanced Index Fund STATE STREET INSTITUTIONAL INVESTMENT TRUST | 2,078 | 1.9K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 95 | Russell 2000 2x Strategy Fund Rydex Dynamic Funds | 1,526 | 1.4K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 96 | PROFUND VP ULTRA SMALL CAP ProFunds | 961 | 883.5 $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 97 | PROFUND VP SMALL CAP ProFunds | 727 | 668.3 $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 98 | Russell 2000 Fund Rydex Series Funds | 649 | 596.6 $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 99 | SMALL-CAP PROFUND ProFunds | 525 | 487.6 $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 100 | Russell 2000 1.5x Strategy Fund Rydex Series Funds | 416 | 382.4 $ | 0.01 % | as of Mar 31, 2026 · Original filing |
Institutional managers
148 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 | |
|---|---|---|---|
| Casdin Capital, LLC | 88,783,856 | 81.6M $ | as of Mar 31, 2026 |
| VIKING GLOBAL INVESTORS LP | 58,651,170 | 53.9M $ | as of Mar 31, 2026 |
| MAK CAPITAL ONE LLC | 26,172,626 | 24.1M $ | as of Mar 31, 2026 |
| BlackRock, Inc. | 24,756,084 | 22.8M $ | as of Mar 31, 2026 |
| Long Focus Capital Management, LLC | 16,015,721 | 14.7M $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 7,289,336 | 6.7M $ | as of Mar 31, 2026 |
| STATE STREET CORP | 6,556,509 | 6M $ | as of Mar 31, 2026 |
| Hollow Brook Wealth Management LLC | 5,653,381 | 5.2M $ | as of Mar 31, 2026 |
| NEUBERGER BERMAN GROUP LLC | 4,657,585 | 4.3M $ | as of Mar 31, 2026 |
| Tikvah Management LLC | 3,551,152 | 3.3M $ | as of Mar 31, 2026 |
| ROYCE & ASSOCIATES LP | 3,005,529 | 2.8M $ | as of Mar 31, 2026 |
| MORGAN STANLEY | 2,887,146 | 2.7M $ | as of Mar 31, 2026 |
| BARCLAYS PLC | 2,617,969 | 2.4M $ | as of Mar 31, 2026 |
| NORTHERN TRUST CORP | 2,454,235 | 2.3M $ | as of Mar 31, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2,414,699 | 2.2M $ | as of Mar 31, 2026 |
| MILLENNIUM MANAGEMENT LLC | 2,102,015 | 1.9M $ | as of Mar 31, 2026 |
| Peapod Lane Capital LLC | 2,028,527 | 1.9M $ | as of Mar 31, 2026 |
| Sone Capital Management, LLC | 1,766,781 | 1.6M $ | as of Mar 31, 2026 |
| Slate Path Capital LP | 1,615,000 | 1.5M $ | as of Mar 31, 2026 |
| CITADEL ADVISORS LLC | 1,225,310 | 1.1M $ | as of Mar 31, 2026 |
| GOLDMAN SACHS GROUP INC | 943,185 | 867.1K $ | as of Mar 31, 2026 |
| AQR CAPITAL MANAGEMENT LLC | 933,098 | 857.8K $ | as of Mar 31, 2026 |
| Bank of New York Mellon Corp | 766,953 | 705.1K $ | as of Mar 31, 2026 |
| Qube Research & Technologies Ltd | 704,407 | 647.6K $ | as of Mar 31, 2026 |
| Nuveen, LLC | 661,204 | 607.8K $ | as of Mar 31, 2026 |