Robert Bruce's IGMS Position Overview
Robert Bruce (via Bruce & Co., Inc.) currently holds 100.0K shares of IGM Biosciences, Inc. (IGMS) worth $0, representing 0.00% of the portfolio. First purchased in 2021-Q2, this medium-term investment has been held for 17 quarters.
Based on 13F filings, Robert Bruce has maintained a strategic position in IGMS, demonstrating sustained confidence in this investment. Largest addition occurred in Q3 2023, adding 65.0K shares. Largest reduction occurred in Q4 2023, reducing 55.0K shares.
Analysis based on 13F filings available since 2013 Q2
Robert Bruce's IGM Biosciences (IGMS) Holding Value Over Time
Track share changes against reported price movement
Quarterly IGM Biosciences (IGMS) Trades by Robert Bruce
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2021 | +55,000 | New Buy | 55,000 | $83.20 |
| Q3 2023 | +65,000 | Add 118.18% | 120,000 | $8.35 |
| Q4 2023 | -55,000 | Reduce 45.83% | 65,000 | $8.31 |
| Q2 2024 | +35,000 | Add 53.85% | 100,000 | $6.87 |
| Q2 2025 | -100,000 | Sold Out | 100,000 | $0.00 |
Robert Bruce's IGM Biosciences Investment FAQs
Robert Bruce first purchased IGM Biosciences, Inc. (IGMS) in Q2 2021, acquiring 55,000 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 IGM Biosciences, Inc. (IGMS) for 17 quarters since Q2 2021. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Robert Bruce's largest addition to IGM Biosciences, Inc. (IGMS) was in Q3 2023, adding 120,000 shares worth $1 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
According to the latest 13F filing for Q2 2025, Robert Bruce's firm, Bruce & Co., Inc., owns 100,000 shares of IGM Biosciences, Inc. (IGMS), valued at approximately $0. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
As of the Q2 2025 filing, IGM Biosciences, Inc. (IGMS) represents approximately 0.00% of Robert Bruce's publicly disclosed stock portfolio, making it one of their key holdings. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Robert Bruce's peak holding in IGM Biosciences, Inc. (IGMS) was 120,000 shares, as reported at the end of Q3 2023. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.