ARK publishes a holdings file for each trading day that records how many shares each fund owns. The Shares Held column draws from these files: it displays today’s share count, and the number in parentheses shows the difference obtained by comparing today’s file with the previous trading day’s file.
| # | Date | Company | Ticker | CUSIP | Weight | Shares Held | Market Value |
|---|---|---|---|---|---|---|---|
| 1 | 03/19/2025 | TWIST BIOSCIENCE CORP | TWST | 90184D100 | 8.74% | 2,259,020 (-34,048) (-1.48%) | $91,648,441.40 |
| 2 | 03/19/2025 | CRISPR THERAPEUTICS AG | CRSP | H17182108 | 8.05% | 2,060,381 (-19,542) (-0.94%) | $84,413,809.57 |
| 3 | 03/19/2025 | RECURSION PHARMACEUTICALS-A | RXRX | 75629V104 | 7.65% | 12,553,473 (-172,498) (-1.36%) | $80,216,692.47 |
| 4 | 03/19/2025 | TEMPUS AI INC | TEM | 88023B103 | 6.93% | 1,590,001 (5,112) (0.32%) | $72,726,645.74 |
| 5 | 03/19/2025 | GUARDANT HEALTH INC | GH | 40131M109 | 5.81% | 1,390,081 (-20,944) (-1.48%) | $60,955,051.85 |
| 6 | 03/19/2025 | NATERA INC | NTRA | 632307104 | 5.60% | 401,487 (-6,048) (-1.48%) | $58,729,518.36 |
| 7 | 03/19/2025 | ADAPTIVE BIOTECHNOLOGIES | ADPT | 00650F109 | 5.34% | 7,627,776 (-114,954) (-1.48%) | $56,064,153.60 |
| 8 | 03/19/2025 | SCHRODINGER INC | SDGR | 80810D103 | 4.93% | 2,259,688 (-34,048) (-1.48%) | $51,746,855.20 |
| 9 | 03/19/2025 | BEAM THERAPEUTICS INC | BEAM | 07373V105 | 4.21% | 1,952,742 (-29,428) (-1.48%) | $44,112,441.78 |
| 10 | 03/19/2025 | CAREDX INC | CDNA | 14167L103 | 4.12% | 2,310,218 (-34,818) (-1.48%) | $43,224,178.78 |
| 11 | 03/19/2025 | VERACYTE INC | VCYT | 92337F107 | 3.81% | 1,280,623 (-19,306) (-1.49%) | $40,006,662.52 |
| 12 | 03/19/2025 | IONIS PHARMACEUTICALS INC | IONS | 462222100 | 3.09% | 985,271 (-14,854) (-1.49%) | $32,464,679.45 |
| 13 | 03/19/2025 | 10X GENOMICS INC-CLASS A | TXG | 88025U109 | 2.98% | 2,971,387 (-44,786) (-1.48%) | $31,229,277.37 |
| 14 | 03/19/2025 | ABSCI CORP | ABSI | 00091E109 | 2.80% | 9,541,783 (-143,794) (-1.48%) | $29,388,691.64 |
| 15 | 03/19/2025 | INTELLIA THERAPEUTICS INC | NTLA | 45826J105 | 2.60% | 2,962,712 (15,218) (0.52%) | $27,227,323.28 |
| 16 | 03/19/2025 | ARCTURUS THERAPEUTICS HOLDIN | ARCT UQ | 03969T109 | 2.59% | 1,979,197 (-29,834) (-1.48%) | $27,174,374.81 |
| 17 | 03/19/2025 | PERSONALIS INC | PSNL | 71535D106 | 2.42% | 7,080,301 (-106,694) (-1.48%) | $25,418,280.59 |
| 18 | 03/19/2025 | NURIX THERAPEUTICS INC | NRIX | 67080M103 | 2.04% | 1,565,147 (-23,590) (-1.48%) | $21,379,908.02 |
| 19 | 03/19/2025 | AMGEN INC | AMGN | 031162100 | 1.86% | 61,201 (-924) (-1.49%) | $19,501,698.65 |
| 20 | 03/19/2025 | BUTTERFLY NETWORK INC | BFLY | 124155102 | 1.71% | 6,914,014 (-104,188) (-1.48%) | $17,976,436.40 |
| 21 | 03/19/2025 | ILLUMINA INC | ILMN | 452327109 | 1.58% | 194,773 (-20,675) (-9.6%) | $16,586,868.68 |
| 22 | 03/19/2025 | VEEVA SYSTEMS INC-CLASS A | VEEV | 922475108 | 1.52% | 67,323 (-1,022) (-1.5%) | $15,917,176.89 |
| 23 | 03/19/2025 | PACIFIC BIOSCIENCES OF CALIF | PACB | 69404D108 | 1.35% | 11,641,978 (-175,448) (-1.48%) | $14,203,213.16 |
| 24 | 03/19/2025 | QUANTUM-SI INC | QSI | 74765K105 | 1.30% | 8,581,329 (-129,318) (-1.48%) | $13,644,313.11 |
| 25 | 03/19/2025 | VERTEX PHARMACEUTICALS INC | VRTX | 92532F100 | 1.26% | 25,896 (-392) (-1.49%) | $13,264,708.08 |
| 26 | 03/19/2025 | 908 DEVICES INC | MASS | 65443P102 | 1.17% | 2,854,749 (-43,022) (-1.48%) | $12,246,873.21 |
| 27 | 03/19/2025 | CERUS CORP | CERS | 157085101 | 1.02% | 7,497,696 (-112,994) (-1.48%) | $10,721,705.28 |
| 28 | 03/19/2025 | INCYTE CORP | INCY | 45337C102 | 0.95% | 165,365 (-2,492) (-1.48%) | $9,921,900.00 |
| 29 | 03/19/2025 | REGENERON PHARMACEUTICALS | REGN | 75886F107 | 0.85% | 13,478 (-196) (-1.43%) | $8,962,330.88 |
| 30 | 03/19/2025 | COMPASS PATHWAYS PLC | CMPS | 20451W101 | 0.55% | 1,777,571 (-26,782) (-1.48%) | $5,723,778.62 |
| 31 | 03/19/2025 | PRIME MEDICINE INC | PRME | 74168J101 | 0.42% | 2,501,984 (-37,716) (-1.49%) | $4,403,491.84 |
| 32 | 03/19/2025 | STANDARD BIOTOOLS INC | LAB | 34385P108 | 0.38% | 3,400,355 (-51,240) (-1.48%) | $3,944,411.80 |
| 33 | 03/19/2025 | GOLDMAN FS TRSY OBLIG INST 468 | X9USDGSFT | 0.20% | 2,099,349 (1,260,805) (150.36%) | $2,099,349.10 | |
| 34 | 03/19/2025 | REPARE THERAPEUTICS INC | RPTX | 760273102 | 0.17% | 1,571,248 (-30,526) (-1.91%) | $1,791,222.72 |
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