RARE

Ultragenyx Pharmaceutical In

Latest period2026 - Q1Total superinvestors294

Top 10 Superinvestors by Shares Owned

This chart shows the top 10 superinvestors based on the number of shares they owned in 2025-Q4 and 2026-Q1. According to the most recent SEC 13F filing, 294 superinvestors own shares of Ultragenyx Pharmaceutical In (RARE), although recent data may remain incomplete due to pending filings.

Quarter-over-Quarter Change (%)

This chart highlights the quarter-over-quarter change (%) in the number of superinvestors holding Ultragenyx Pharmaceutical In (RARE), the total shares they held, and the total reported dollar value. It gives a clear view of whether there is ongoing momentum. The dotted lines at the top and bottom adjust longer bars to keep smaller data points visible for better comparison.

Superinvestors' Activity (%) Over the Last 4 Quarters

This chart shows superinvestors' activity with Ultragenyx Pharmaceutical In (RARE) over the last four quarters, highlighting the percentage of investors who added, increased, decreased, held, or exited their positions, revealing shifts in sentiment over time.

Superinvestors' Past Actions

This chart displays superinvestors' past actions with Ultragenyx Pharmaceutical In (RARE) over the last 10 years (40 quarters), helping to visualize the collective momentum and investment trends over time.

Superinvestors ownership

SuperinvestorPortfolio %Reported Value
Spencer Fleming@Blackrock, Inc.
Recent Activity
Increased 10.08%
0.01%
$152.927M
7.3M shares@ 20.96 avg price
Christine M. Buchanan@Vanguard Portfolio Management Llc
Recent Activity
New Position
0.01%
$112.837M
5.386M shares@ 20.95 avg price
ELIZABETH SCHAEFER@State Street Corp
Recent Activity
Increased 16.7%
0.01%
$105.199M
5.021M shares@ 20.96 avg price
Henry Parkin@Aqr Capital Management Llc
Recent Activity
Increased 236.5%
0.05%
$95.91M
4.578M shares@ 20.96 avg price
Christine M. Buchanan@Vanguard Capital Management Llc
Recent Activity
New Position
0.01%
$87.777M
4.19M shares@ 20.95 avg price
Roderick Wong@Rtw Investments, Lp
Recent Activity
Increased 21.63%
0.77%
$76.442M
3.649M shares@ 20.95 avg price
Nathalie Auber@Sofinnova Investments, Inc.
Recent Activity
Increased 4096.75%
2.79%
$73.239M
3.496M shares@ 20.96 avg price
Alexandra Fulk@Sands Capital Management, Llc
Recent Activity
Decreased -7.78%
0.27%
$67.344M
3.215M shares@ 20.95 avg price
Jason Cronin@Wellington Management Group Llp
Recent Activity
Increased 7.27%
0.02%
$55.325M
2.641M shares@ 20.96 avg price
Christoph Eisenring / Stefano Montalbano@Bellevue Group Ag
Recent Activity
Increased 92148.07%
1.19%
$49.861M
2.38M shares@ 20.95 avg price

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