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 | 12/16/2025 | TEMPUS AI INC | TEM | 88023B103 | 9.25% | 1,685,585 (-4,012) (-0.24%) | $115,749,121.95 |
| 2 | 12/16/2025 | CRISPR THERAPEUTICS AG | CRSP | H17182108 | 8.90% | 1,981,944 (-4,718) (-0.24%) | $111,484,350.00 |
| 3 | 12/16/2025 | GUARDANT HEALTH INC | GH | 40131M109 | 5.74% | 699,972 (-1,666) (-0.24%) | $71,866,125.24 |
| 4 | 12/16/2025 | TWIST BIOSCIENCE CORP | TWST | 90184D100 | 5.52% | 2,224,161 (-5,294) (-0.24%) | $69,104,682.27 |
| 5 | 12/16/2025 | PERSONALIS INC | PSNL | 71535D106 | 5.36% | 7,913,931 (-18,842) (-0.24%) | $67,110,134.88 |
| 6 | 12/16/2025 | BEAM THERAPEUTICS INC | BEAM | 07373V105 | 4.81% | 2,246,840 (-5,348) (-0.24%) | $60,282,717.20 |
| 7 | 12/16/2025 | NATERA INC | NTRA | 632307104 | 4.54% | 248,911 (-592) (-0.24%) | $56,851,272.40 |
| 8 | 12/16/2025 | ILLUMINA INC | ILMN | 452327109 | 4.50% | 417,356 (-992) (-0.24%) | $56,309,671.52 |
| 9 | 12/16/2025 | 10X GENOMICS INC-CLASS A | TXG | 88025U109 | 4.14% | 3,292,544 (-7,838) (-0.24%) | $51,890,493.44 |
| 10 | 12/16/2025 | RECURSION PHARMACEUTICALS-A | RXRX | 75629V104 | 3.92% | 11,682,568 (-27,814) (-0.24%) | $49,066,785.60 |
| 11 | 12/16/2025 | VERACYTE INC | VCYT | 92337F107 | 3.83% | 1,101,338 (-2,622) (-0.24%) | $47,941,243.14 |
| 12 | 12/16/2025 | CAREDX INC | CDNA | 14167L103 | 3.39% | 2,134,382 (-5,080) (-0.24%) | $42,495,545.62 |
| 13 | 12/16/2025 | ABSCI CORP | ABSI | 00091E109 | 3.27% | 12,062,882 (-28,720) (-0.24%) | $40,893,169.98 |
| 14 | 12/16/2025 | IONIS PHARMACEUTICALS INC | IONS | 462222100 | 3.16% | 496,553 (-1,182) (-0.24%) | $39,605,067.28 |
| 15 | 12/16/2025 | SCHRODINGER INC | SDGR | 80810D103 | 2.93% | 2,017,707 (9,273) (0.46%) | $36,742,444.47 |
| 16 | 12/16/2025 | ADAPTIVE BIOTECHNOLOGIES | ADPT | 00650F109 | 2.80% | 2,231,032 (-5,310) (-0.24%) | $35,004,892.08 |
| 17 | 12/16/2025 | NURIX THERAPEUTICS INC | NRIX | 67080M103 | 2.43% | 1,597,816 (-3,804) (-0.24%) | $30,374,482.16 |
| 18 | 12/16/2025 | INTELLIA THERAPEUTICS INC | NTLA | 45826J105 | 2.33% | 3,185,198 (-11,388) (-0.36%) | $29,112,709.72 |
| 19 | 12/16/2025 | GENEDX HOLDINGS CORP | WGS | 81663L200 | 2.24% | 185,976 (-442) (-0.24%) | $28,009,845.36 |
| 20 | 12/16/2025 | PACIFIC BIOSCIENCES OF CALIF | PACB | 69404D108 | 1.86% | 10,985,796 (-26,156) (-0.24%) | $23,289,887.52 |
| 21 | 12/16/2025 | BUTTERFLY NETWORK INC | BFLY | 124155102 | 1.61% | 6,251,518 (-14,884) (-0.24%) | $20,129,887.96 |
| 22 | 12/16/2025 | PRIME MEDICINE INC | PRME | 74168J101 | 1.61% | 5,003,292 (-11,912) (-0.24%) | $20,213,299.68 |
| 23 | 12/16/2025 | ARCTURUS THERAPEUTICS HOLDIN | ARCT UQ | 03969T109 | 1.52% | 2,623,160 (-6,244) (-0.24%) | $19,017,910.00 |
| 24 | 12/16/2025 | AMGEN INC | AMGN | 031162100 | 1.17% | 45,214 (-106) (-0.23%) | $14,708,566.34 |
| 25 | 12/16/2025 | COMPASS PATHWAYS PLC | CMPS | 20451W101 | 1.13% | 2,152,740 (-5,124) (-0.24%) | $14,186,556.60 |
| 26 | 12/16/2025 | ATAI BECKLEY NV | ATAI | N0731H103 | 1.10% | 3,311,485 (-7,884) (-0.24%) | $13,709,547.90 |
| 27 | 12/16/2025 | CERUS CORP | CERS | 157085101 | 1.08% | 6,715,225 (-15,988) (-0.24%) | $13,497,602.25 |
| 28 | 12/16/2025 | INCYTE CORP | INCY | 45337C102 | 1.08% | 136,478 (-324) (-0.24%) | $13,462,189.92 |
| 29 | 12/16/2025 | VERTEX PHARMACEUTICALS INC | VRTX | 92532F100 | 0.95% | 26,041 (-62) (-0.24%) | $11,867,144.11 |
| 30 | 12/16/2025 | 908 DEVICES INC | MASS | 65443P102 | 0.94% | 1,983,245 (-4,722) (-0.24%) | $11,720,977.95 |
| 31 | 12/16/2025 | CARIS LIFE SCIENCES INC | CAI | 142152107 | 0.72% | 338,279 (-804) (-0.24%) | $9,032,049.30 |
| 32 | 12/16/2025 | VEEVA SYSTEMS INC-CLASS A | VEEV | 922475108 | 0.72% | 41,092 (-96) (-0.23%) | $9,044,349.20 |
| 33 | 12/16/2025 | QUANTUM-SI INC | QSI | 74765K105 | 0.69% | 7,037,244 (-16,754) (-0.24%) | $8,655,810.12 |
| 34 | 12/16/2025 | GOLDMAN FS TRSY OBLIG INST 468 | X9USDGSFT | 0.39% | 4,920,227 (-991,972) (-16.78%) | $4,920,226.77 | |
| 35 | 12/16/2025 | STANDARD BIOTOOLS INC | LAB | 34385P108 | 0.37% | 3,074,571 (-7,320) (-0.24%) | $4,642,602.21 |
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