Catherine Wood's ILMN Position Overview
Catherine Wood (via Ark Investment Management LLC) currently holds 1.54 M shares of Illumina, Inc. (ILMN) worth $202.03 M, representing 1.34% of the portfolio. First purchased in 2016-Q4, this long-term strategic position has been held for 23 quarters.
Based on 13F filings, Catherine Wood has maintained a strategic position in ILMN, demonstrating sustained confidence in this investment. Largest addition occurred in Q4 2024, adding 686,330 shares. Largest reduction occurred in Q4 2020, reducing 954,065 shares.
Analysis based on 13F filings available since 2013 Q2
Catherine Wood's Illumina (ILMN) Holding Value Over Time
Track share changes against reported price movement
Quarterly Illumina (ILMN) Trades by Catherine Wood
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | +72,472 | Add 4.94% | 1.54 M | $131.16 |
| Q3 2025 | +299,801 | Add 25.67% | 1.47 M | $94.97 |
| Q2 2025 | +272,759 | Add 30.47% | 1.17 M | $95.41 |
| Q1 2025 | +208,989 | Add 30.45% | 895,319 | $79.34 |
| Q4 2024 | +686,330 | New Buy | 686,330 | $133.63 |
| Q1 2021 | -52,001 | Sold Out | 0 | $0.00 |
| Q4 2020 | -954,065 | Reduce 94.83% | 52,001 | $359.92 |
| Q3 2020 | +51,530 | Add 5.40% | 1.01 M | $300.66 |
| Q2 2020 | -77,603 | Reduce 7.52% | 954,536 | $360.26 |
| Q1 2020 | +284,022 | Add 37.96% | 1.03 M | $265.68 |
| Q4 2019 | +33,338 | Add 4.66% | 748,117 | $322.70 |
| Q3 2019 | +162,197 | Add 29.35% | 714,779 | $295.93 |
| Q2 2019 | +72,554 | Add 15.11% | 552,582 | $358.12 |
| Q1 2019 | +154,522 | Add 47.47% | 480,028 | $302.23 |
| Q4 2018 | +47,102 | Add 16.92% | 325,506 | $291.76 |
| Q3 2018 | -63,781 | Reduce 18.64% | 278,404 | $357.06 |
| Q2 2018 | +83,540 | Add 32.30% | 342,185 | $271.68 |
| Q1 2018 | +87,885 | Add 51.47% | 258,645 | $229.98 |
| Q4 2017 | +170,761 | Add 0.00% | 170,760 | $212.54 |
| Q2 2017 | -16,526 | Reduce 13.41% | 106,716 | $168.79 |
| Q1 2017 | -37,242 | Reduce 23.21% | 123,242 | $165.99 |
| Q4 2016 | +160,485 | Add 0.00% | 160,484 | $124.55 |
Catherine Wood's Illumina Investment FAQs
Catherine Wood first purchased Illumina, Inc. (ILMN) in Q4 2016, acquiring 160,484 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Catherine Wood has held Illumina, Inc. (ILMN) for 23 quarters since Q4 2016.
Catherine Wood's largest addition to Illumina, Inc. (ILMN) was in Q4 2024, adding 686,330 shares worth $91.71 M.
According to the latest 13F filing for Q4 2025, Catherine Wood's firm, Ark Investment Management LLC, owns 1,540,351 shares of Illumina, Inc. (ILMN), valued at approximately $202.03 M.
As of the Q4 2025 filing, Illumina, Inc. (ILMN) represents approximately 1.34% of Catherine Wood's publicly disclosed stock portfolio, making it one of their key holdings.
Catherine Wood's peak holding in Illumina, Inc. (ILMN) was 1,540,351 shares, as reported at the end of Q4 2025.