Robert Bruce's PSNL Position Overview
Robert Bruce (via Bruce & Co., Inc.) currently holds 233,000 shares of Personalis, Inc. (PSNL) worth $1.85 M, representing 0.58% of the portfolio. First purchased in 2022-Q4, this medium-term investment has been held for 13 quarters.
Based on 13F filings, Robert Bruce has maintained a strategic position in PSNL, demonstrating sustained confidence in this investment. Largest addition occurred in Q4 2023, adding 150,000 shares. Largest reduction occurred in Q4 2024, reducing 47,000 shares.
Analysis based on 13F filings available since 2013 Q2
Robert Bruce's Personalis (PSNL) Holding Value Over Time
Track share changes against reported price movement
Quarterly Personalis (PSNL) Trades by Robert Bruce
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2022 | +50,000 | New Buy | 50,000 | $1.98 |
| Q1 2023 | +100,000 | Add 200.00% | 150,000 | $2.76 |
| Q4 2023 | +150,000 | Add 100.00% | 300,000 | $2.10 |
| Q4 2024 | -47,000 | Reduce 15.67% | 253,000 | $5.78 |
| Q4 2025 | -20,000 | Reduce 7.91% | 233,000 | $7.96 |
Robert Bruce's Personalis Investment FAQs
Robert Bruce first purchased Personalis, Inc. (PSNL) in Q4 2022, acquiring 50,000 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Robert Bruce has held Personalis, Inc. (PSNL) for 13 quarters since Q4 2022.
Robert Bruce's largest addition to Personalis, Inc. (PSNL) was in Q4 2023, adding 300,000 shares worth $630,000.
According to the latest 13F filing for Q4 2025, Robert Bruce's firm, Bruce & Co., Inc., owns 233,000 shares of Personalis, Inc. (PSNL), valued at approximately $1.85 M.
As of the Q4 2025 filing, Personalis, Inc. (PSNL) represents approximately 0.58% of Robert Bruce's publicly disclosed stock portfolio, making it one of their key holdings.
Robert Bruce's peak holding in Personalis, Inc. (PSNL) was 300,000 shares, as reported at the end of Q4 2023.