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 | 03/20/2025 | TWIST BIOSCIENCE CORP | TWST | 90184D100 | 8.81% | 2,256,588 (-2,432) (-0.11%) | $94,099,719.60 |
| 2 | 03/20/2025 | CRISPR THERAPEUTICS AG | CRSP | H17182108 | 8.10% | 2,062,286 (1,905) (0.09%) | $86,492,274.84 |
| 3 | 03/20/2025 | RECURSION PHARMACEUTICALS-A | RXRX | 75629V104 | 7.73% | 12,539,959 (-13,514) (-0.11%) | $82,512,930.22 |
| 4 | 03/20/2025 | TEMPUS AI INC | TEM | 88023B103 | 7.15% | 1,588,289 (-1,712) (-0.11%) | $76,285,520.67 |
| 5 | 03/20/2025 | GUARDANT HEALTH INC | GH | 40131M109 | 6.01% | 1,388,585 (-1,496) (-0.11%) | $64,208,170.40 |
| 6 | 03/20/2025 | NATERA INC | NTRA | 632307104 | 5.67% | 401,055 (-432) (-0.11%) | $60,507,167.85 |
| 7 | 03/20/2025 | ADAPTIVE BIOTECHNOLOGIES | ADPT | 00650F109 | 5.40% | 7,619,565 (-8,211) (-0.11%) | $57,603,911.40 |
| 8 | 03/20/2025 | SCHRODINGER INC | SDGR | 80810D103 | 4.79% | 2,257,255 (-2,433) (-0.11%) | $51,171,970.85 |
| 9 | 03/20/2025 | BEAM THERAPEUTICS INC | BEAM | 07373V105 | 4.32% | 1,950,640 (-2,102) (-0.11%) | $46,113,129.60 |
| 10 | 03/20/2025 | CAREDX INC | CDNA | 14167L103 | 4.14% | 2,307,731 (-2,487) (-0.11%) | $44,239,203.27 |
| 11 | 03/20/2025 | VERACYTE INC | VCYT | 92337F107 | 3.81% | 1,279,244 (-1,379) (-0.11%) | $40,654,374.32 |
| 12 | 03/20/2025 | IONIS PHARMACEUTICALS INC | IONS | 462222100 | 3.07% | 984,210 (-1,061) (-0.11%) | $32,813,561.40 |
| 13 | 03/20/2025 | 10X GENOMICS INC-CLASS A | TXG | 88025U109 | 2.86% | 2,964,989 (-6,398) (-0.22%) | $30,509,736.81 |
| 14 | 03/20/2025 | ABSCI CORP | ABSI | 00091E109 | 2.78% | 9,968,391 (426,608) (4.47%) | $29,705,805.18 |
| 15 | 03/20/2025 | INTELLIA THERAPEUTICS INC | NTLA | 45826J105 | 2.60% | 2,987,460 (24,748) (0.84%) | $27,783,378.00 |
| 16 | 03/20/2025 | ARCTURUS THERAPEUTICS HOLDIN | ARCT UQ | 03969T109 | 2.48% | 1,977,066 (-2,131) (-0.11%) | $26,492,684.40 |
| 17 | 03/20/2025 | PERSONALIS INC | PSNL | 71535D106 | 2.43% | 7,072,678 (-7,623) (-0.11%) | $25,956,728.26 |
| 18 | 03/20/2025 | NURIX THERAPEUTICS INC | NRIX | 67080M103 | 2.04% | 1,563,462 (-1,685) (-0.11%) | $21,732,121.80 |
| 19 | 03/20/2025 | AMGEN INC | AMGN | 031162100 | 1.76% | 59,633 (-1,568) (-2.56%) | $18,829,119.75 |
| 20 | 03/20/2025 | BUTTERFLY NETWORK INC | BFLY | 124155102 | 1.75% | 6,906,571 (-7,443) (-0.11%) | $18,716,807.41 |
| 21 | 03/20/2025 | VEEVA SYSTEMS INC-CLASS A | VEEV | 922475108 | 1.45% | 65,389 (-1,934) (-2.87%) | $15,508,309.13 |
| 22 | 03/20/2025 | ILLUMINA INC | ILMN | 452327109 | 1.38% | 174,034 (-20,739) (-10.65%) | $14,785,928.64 |
| 23 | 03/20/2025 | PACIFIC BIOSCIENCES OF CALIF | PACB | 69404D108 | 1.36% | 11,629,445 (-12,533) (-0.11%) | $14,536,806.25 |
| 24 | 03/20/2025 | QUANTUM-SI INC | QSI | 74765K105 | 1.25% | 8,572,090 (-9,239) (-0.11%) | $13,329,599.95 |
| 25 | 03/20/2025 | VERTEX PHARMACEUTICALS INC | VRTX | 92532F100 | 1.24% | 25,868 (-28) (-0.11%) | $13,257,867.36 |
| 26 | 03/20/2025 | 908 DEVICES INC | MASS | 65443P102 | 1.12% | 2,851,675 (-3,074) (-0.11%) | $11,991,293.38 |
| 27 | 03/20/2025 | CERUS CORP | CERS | 157085101 | 1.07% | 7,489,624 (-8,072) (-0.11%) | $11,459,124.72 |
| 28 | 03/20/2025 | INCYTE CORP | INCY | 45337C102 | 0.93% | 165,187 (-178) (-0.11%) | $9,967,383.58 |
| 29 | 03/20/2025 | REGENERON PHARMACEUTICALS | REGN | 75886F107 | 0.85% | 13,464 (-14) (-0.1%) | $9,052,655.04 |
| 30 | 03/20/2025 | COMPASS PATHWAYS PLC | CMPS | 20451W101 | 0.51% | 1,775,657 (-1,914) (-0.11%) | $5,433,510.42 |
| 31 | 03/20/2025 | PRIME MEDICINE INC | PRME | 74168J101 | 0.47% | 2,499,290 (-2,694) (-0.11%) | $4,998,580.00 |
| 32 | 03/20/2025 | STANDARD BIOTOOLS INC | LAB | 34385P108 | 0.38% | 3,396,694 (-3,661) (-0.11%) | $4,008,098.92 |
| 33 | 03/20/2025 | REPARE THERAPEUTICS INC | RPTX | 760273102 | 0.16% | 1,555,830 (-15,418) (-0.98%) | $1,758,087.90 |
| 34 | 03/20/2025 | GOLDMAN FS TRSY OBLIG INST 468 | X9USDGSFT | 0.10% | 1,082,306 (-1,017,043) (-48.45%) | $1,082,305.86 |
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