Institutional Ownership
Ultragenyx Pharmaceutical In
CUSIP 90400D108COMRAREQ1 2026
Institutional Holders
287
13F filers
Shares Held
87.69M
Aggregate institutional
Institutional Value
$1.75B
Q1 2026
Net New Holders
+9
53 new · 44 closed
Institutional Ownership Trend
Aggregate 13F value by quarter
Multi-quarter trend — upgrade to see history
UpgradePosition Activity
Q1 2026
New positions53
Increased125
Decreased83
Sold out44
Institutional Holders
287 funds hold this security · Q1 2026
| # | Fund | Shares | Value | Δ Shares | Activity |
|---|---|---|---|---|---|
| 1 | Blackrock, Inc. | 7.30M | $152.93M | +668.0K | Added |
| 2 | State Street Corp | 5.02M | $105.20M | +718.4K | Added |
| 3 | Aqr Capital Management LLC | 4.58M | $95.91M | +3.22M | Added |
| 4 | Rtw Investments, LP | 3.65M | $76.44M | +648.7K | Added |
| 5 | Sands Capital Management, LLC | 3.21M | $67.34M | −271.2K | Reduced |
| 6 | Sofinnova Investments, Inc. | 3.15M | $65.91M | +3.06M | Added |
| 7 | Wellington Management Group LLP | 2.64M | $55.33M | +178.9K | Added |
| 8 | Bellevue Group AG | 2.38M | $49.86M | +2.38M | Added |
| 9 | Assenagon Asset Management S.A. | 2.26M | $47.30M | +2.06M | Added |
| 10 | Two Sigma Investments, LP | 2.21M | $46.21M | +1.78M | Added |
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