Catherine Wood's PSNL Position Overview
Catherine Wood (via Ark Investment Management LLC) currently holds 7.88 M shares of Personalis, Inc. (PSNL) worth $62.72 M, representing 0.42% of the portfolio. First purchased in 2019-Q2, this long-term strategic position has been held for 27 quarters.
Based on 13F filings, Catherine Wood has maintained a strategic position in PSNL, demonstrating sustained confidence in this investment. Largest addition occurred in Q4 2020, adding 3.49 M shares. Largest reduction occurred in Q1 2021, reducing 1.07 M shares.
Analysis based on 13F filings available since 2013 Q2
Catherine Wood's Personalis (PSNL) Holding Value Over Time
Track share changes against reported price movement
Quarterly Personalis (PSNL) Trades by Catherine Wood
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2019 | +197,720 | New Buy | 197,720 | $27.15 |
| Q3 2019 | +101,744 | Add 51.46% | 299,464 | $14.68 |
| Q4 2019 | +326,392 | Add 108.99% | 625,856 | $10.90 |
| Q1 2020 | +478,209 | Add 76.41% | 1.1 M | $8.07 |
| Q2 2020 | +964,618 | Add 87.37% | 2.07 M | $12.97 |
| Q3 2020 | +1.22 M | Add 59.19% | 3.29 M | $21.67 |
| Q4 2020 | +3.49 M | Add 105.84% | 6.78 M | $36.61 |
| Q1 2021 | -1.07 M | Reduce 15.83% | 5.71 M | $24.61 |
| Q2 2021 | -763,863 | Reduce 13.39% | 4.94 M | $25.30 |
| Q3 2021 | +223,396 | Add 4.52% | 5.17 M | $19.24 |
| Q4 2021 | -277,245 | Reduce 5.37% | 4.89 M | $14.27 |
| Q1 2022 | +296,669 | Add 6.07% | 5.18 M | $8.19 |
| Q2 2022 | +163,036 | Add 3.14% | 5.35 M | $3.96 |
| Q3 2022 | +98,692 | Add 1.85% | 5.45 M | $2.97 |
| Q4 2022 | +53,888 | Add 0.99% | 5.5 M | $1.98 |
| Q1 2023 | +279,964 | Add 5.09% | 5.78 M | $2.76 |
| Q2 2023 | -44,201 | Reduce 0.76% | 5.74 M | $1.88 |
| Q3 2023 | -16,736 | Reduce 0.29% | 5.72 M | $1.21 |
| Q4 2023 | +952,118 | Add 16.65% | 6.67 M | $2.10 |
| Q1 2024 | -606,072 | Reduce 9.08% | 6.07 M | $1.49 |
| Q2 2024 | +296,413 | Add 4.89% | 6.36 M | $1.17 |
| Q3 2024 | +723,637 | Add 11.37% | 7.09 M | $5.38 |
| Q4 2024 | -310,088 | Reduce 4.38% | 6.78 M | $5.78 |
| Q1 2025 | +412,762 | Add 6.09% | 7.19 M | $3.51 |
| Q2 2025 | -80,274 | Reduce 1.12% | 7.11 M | $6.56 |
| Q3 2025 | +802,268 | Add 11.29% | 7.91 M | $6.52 |
| Q4 2025 | -31,104 | Reduce 0.39% | 7.88 M | $7.96 |
Catherine Wood's Personalis Investment FAQs
Catherine Wood first purchased Personalis, Inc. (PSNL) in Q2 2019, acquiring 197,720 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 Personalis, Inc. (PSNL) for 27 quarters since Q2 2019.
Catherine Wood's largest addition to Personalis, Inc. (PSNL) was in Q4 2020, adding 6,778,623 shares worth $248.16 M.
According to the latest 13F filing for Q4 2025, Catherine Wood's firm, Ark Investment Management LLC, owns 7,879,087 shares of Personalis, Inc. (PSNL), valued at approximately $62.72 M.
As of the Q4 2025 filing, Personalis, Inc. (PSNL) represents approximately 0.42% of Catherine Wood's publicly disclosed stock portfolio, making it one of their key holdings.
Catherine Wood's peak holding in Personalis, Inc. (PSNL) was 7,910,191 shares, as reported at the end of Q3 2025.