Ken Fisher's RMBS Position Overview
Ken Fisher (via Fisher Asset Management, LLC) currently holds 738,356 shares of Rambus Inc. (RMBS) worth $63.52 M, representing 0.02% of the portfolio. First purchased in 2025-Q3, this short-term holding has been held for 3 quarters.
Based on 13F filings, Ken Fisher has maintained this position in RMBS for several quarters, showing initial confidence in the investment. Largest addition occurred in Q4 2025, adding 364,396 shares.
Analysis based on 13F filings available since 2013 Q2
Ken Fisher's Rambus (RMBS) Holding Value Over Time
Track share changes against reported price movement
Quarterly Rambus (RMBS) Trades by Ken Fisher
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | +221,078 | Add 42.74% | 738,356 | $86.03 |
| Q4 2025 | +364,396 | Add 238.35% | 517,278 | $91.89 |
| Q3 2025 | +152,882 | New Buy | 152,882 | $104.20 |
Ken Fisher's Rambus Investment FAQs
Ken Fisher first purchased Rambus Inc. (RMBS) in Q3 2025, acquiring 152,882 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Ken Fisher has held Rambus Inc. (RMBS) for 3 quarters since Q3 2025.
Ken Fisher's largest addition to Rambus Inc. (RMBS) was in Q4 2025, adding 517,278 shares worth $47.53 M.
According to the latest 13F filing for Q1 2026, Ken Fisher's firm, Fisher Asset Management, LLC, owns 738,356 shares of Rambus Inc. (RMBS), valued at approximately $63.52 M.
As of the Q1 2026 filing, Rambus Inc. (RMBS) represents approximately 0.02% of Ken Fisher's publicly disclosed stock portfolio, making it one of their key holdings.
Ken Fisher's peak holding in Rambus Inc. (RMBS) was 738,356 shares, as reported at the end of Q1 2026.