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 | 12/18/2025 | TEMPUS AI INC | TEM | 88023B103 | 8.92% | 1,621,393 (-26,078) (-1.58%) | $104,766,308.70 |
| 2 | 12/18/2025 | CRISPR THERAPEUTICS AG | CRSP | H17182108 | 8.88% | 1,906,456 (-30,667) (-1.58%) | $104,359,401.44 |
| 3 | 12/18/2025 | TWIST BIOSCIENCE CORP | TWST | 90184D100 | 5.85% | 2,139,457 (-34,411) (-1.58%) | $68,740,753.41 |
| 4 | 12/18/2025 | GUARDANT HEALTH INC | GH | 40131M109 | 5.59% | 673,316 (-10,829) (-1.58%) | $65,628,110.52 |
| 5 | 12/18/2025 | PERSONALIS INC | PSNL | 71535D106 | 5.02% | 7,612,459 (-122,473) (-1.58%) | $58,920,432.66 |
| 6 | 12/18/2025 | BEAM THERAPEUTICS INC | BEAM | 07373V105 | 4.71% | 2,161,272 (-34,762) (-1.58%) | $55,328,563.20 |
| 7 | 12/18/2025 | RECURSION PHARMACEUTICALS-A | RXRX | 75629V104 | 4.62% | 11,605,466 (187,131) (1.64%) | $54,313,580.88 |
| 8 | 12/18/2025 | NATERA INC | NTRA | 632307104 | 4.60% | 239,439 (-3,848) (-1.58%) | $53,991,100.11 |
| 9 | 12/18/2025 | ILLUMINA INC | ILMN | 452327109 | 4.43% | 401,484 (-6,448) (-1.58%) | $52,016,267.04 |
| 10 | 12/18/2025 | 10X GENOMICS INC-CLASS A | TXG | 88025U109 | 4.25% | 3,167,136 (-50,947) (-1.58%) | $49,882,392.00 |
| 11 | 12/18/2025 | VERACYTE INC | VCYT | 92337F107 | 3.81% | 1,059,386 (-17,043) (-1.58%) | $44,716,683.06 |
| 12 | 12/18/2025 | CAREDX INC | CDNA | 14167L103 | 3.41% | 2,053,102 (-33,020) (-1.58%) | $40,014,957.98 |
| 13 | 12/18/2025 | ABSCI CORP | ABSI | 00091E109 | 3.35% | 11,603,362 (-186,680) (-1.58%) | $39,335,397.18 |
| 14 | 12/18/2025 | IONIS PHARMACEUTICALS INC | IONS | 462222100 | 3.13% | 477,641 (-7,683) (-1.58%) | $36,816,568.28 |
| 15 | 12/18/2025 | ADAPTIVE BIOTECHNOLOGIES | ADPT | 00650F109 | 2.94% | 2,146,059 (-34,528) (-1.58%) | $34,594,471.08 |
| 16 | 12/18/2025 | SCHRODINGER INC | SDGR | 80810D103 | 2.87% | 1,940,843 (-31,226) (-1.58%) | $33,770,668.20 |
| 17 | 12/18/2025 | NURIX THERAPEUTICS INC | NRIX | 67080M103 | 2.38% | 1,536,952 (-24,726) (-1.58%) | $27,987,895.92 |
| 18 | 12/18/2025 | INTELLIA THERAPEUTICS INC | NTLA | 45826J105 | 2.29% | 3,063,886 (-49,283) (-1.58%) | $26,931,557.94 |
| 19 | 12/18/2025 | GENEDX HOLDINGS CORP | WGS | 81663L200 | 2.07% | 178,904 (-2,873) (-1.58%) | $24,320,209.76 |
| 20 | 12/18/2025 | PACIFIC BIOSCIENCES OF CALIF | PACB | 69404D108 | 1.74% | 10,567,300 (-170,014) (-1.58%) | $20,394,889.00 |
| 21 | 12/18/2025 | BUTTERFLY NETWORK INC | BFLY | 124155102 | 1.62% | 6,013,374 (-96,746) (-1.58%) | $19,062,395.58 |
| 22 | 12/18/2025 | PRIME MEDICINE INC | PRME | 74168J101 | 1.53% | 4,812,700 (-77,428) (-1.58%) | $17,999,498.00 |
| 23 | 12/18/2025 | ARCTURUS THERAPEUTICS HOLDIN | ARCT UQ | 03969T109 | 1.40% | 2,523,256 (-40,586) (-1.58%) | $16,451,629.12 |
| 24 | 12/18/2025 | AMGEN INC | AMGN | 031162100 | 1.21% | 43,518 (-689) (-1.56%) | $14,187,303.18 |
| 25 | 12/18/2025 | CERUS CORP | CERS | 157085101 | 1.20% | 6,459,417 (-103,922) (-1.58%) | $14,146,123.23 |
| 26 | 12/18/2025 | ATAI BECKLEY NV | ATAI | N0731H103 | 1.10% | 3,185,341 (-51,246) (-1.58%) | $12,932,484.46 |
| 27 | 12/18/2025 | COMPASS PATHWAYS PLC | CMPS | 20451W101 | 1.09% | 2,070,756 (-33,306) (-1.58%) | $12,838,687.20 |
| 28 | 12/18/2025 | INCYTE CORP | INCY | 45337C102 | 1.09% | 131,294 (-2,106) (-1.58%) | $12,818,233.22 |
| 29 | 12/18/2025 | VERTEX PHARMACEUTICALS INC | VRTX | 92532F100 | 0.96% | 25,049 (-403) (-1.58%) | $11,260,026.48 |
| 30 | 12/18/2025 | 908 DEVICES INC | MASS | 65443P102 | 0.92% | 1,907,693 (-30,693) (-1.58%) | $10,797,542.38 |
| 31 | 12/18/2025 | CARIS LIFE SCIENCES INC | CAI | 142152107 | 0.91% | 393,240 (29,352) (8.07%) | $10,692,195.60 |
| 32 | 12/18/2025 | VEEVA SYSTEMS INC-CLASS A | VEEV | 922475108 | 0.73% | 39,556 (-624) (-1.55%) | $8,522,735.76 |
| 33 | 12/18/2025 | QUANTUM-SI INC | QSI | 74765K105 | 0.69% | 6,769,180 (-108,901) (-1.58%) | $8,123,016.00 |
| 34 | 12/18/2025 | STANDARD BIOTOOLS INC | LAB | 34385P108 | 0.39% | 2,957,451 (-47,580) (-1.58%) | $4,584,049.05 |
| 35 | 12/18/2025 | GOLDMAN FS TRSY OBLIG INST 468 | X9USDGSFT | 0.30% | 3,564,346 (-1,113,503) (-23.8%) | $3,564,345.76 |
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