Ken Fisher's RARE Position Overview
Ken Fisher (via Fisher Asset Management, LLC) currently holds 198,696 shares of Ultragenyx Pharmaceutical Inc. (RARE) worth $4.57 M, representing 0.00% of the portfolio. First purchased in 2024-Q4, this short-term holding has been held for 5 quarters.
Based on 13F filings, Ken Fisher has maintained this position in RARE for several quarters, showing initial confidence in the investment. Largest addition occurred in Q4 2025, adding 30,612 shares. Largest reduction occurred in Q1 2025, reducing 57,434 shares.
Analysis based on 13F filings available since 2013 Q2
Ken Fisher's Ultragenyx Pharmaceutical (RARE) Holding Value Over Time
Track share changes against reported price movement
Quarterly Ultragenyx Pharmaceutical (RARE) Trades by Ken Fisher
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | +30,612 | Add 18.21% | 198,696 | $23.00 |
| Q3 2025 | -17,672 | Reduce 9.51% | 168,084 | $30.08 |
| Q2 2025 | -21,999 | Reduce 10.59% | 185,756 | $36.36 |
| Q1 2025 | -57,434 | Reduce 21.66% | 207,755 | $36.21 |
| Q4 2024 | +265,189 | New Buy | 265,189 | $42.07 |
Ken Fisher's Ultragenyx Pharmaceutical Investment FAQs
Ken Fisher first purchased Ultragenyx Pharmaceutical Inc. (RARE) in Q4 2024, acquiring 265,189 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 Ultragenyx Pharmaceutical Inc. (RARE) for 5 quarters since Q4 2024.
Ken Fisher's largest addition to Ultragenyx Pharmaceutical Inc. (RARE) was in Q4 2024, adding 265,189 shares worth $11.16 M.
According to the latest 13F filing for Q4 2025, Ken Fisher's firm, Fisher Asset Management, LLC, owns 198,696 shares of Ultragenyx Pharmaceutical Inc. (RARE), valued at approximately $4.57 M.
As of the Q4 2025 filing, Ultragenyx Pharmaceutical Inc. (RARE) represents approximately 0.00% of Ken Fisher's publicly disclosed stock portfolio, making it one of their key holdings.
Ken Fisher's peak holding in Ultragenyx Pharmaceutical Inc. (RARE) was 265,189 shares, as reported at the end of Q4 2024.