RARE Ultragenyx Pharmaceutical In
Health Care, filed as ULTRAGENYX PHARMACEUTICAL IN (COM), Equity As of 2026 Q2 among managers we track Quote on Google Finance, opens in a new tab
In 2026 Q2 Nathan Fischel trimmed Ultragenyx Pharmaceutical In.
Who owns this now
Largest portfolio weights among holders, up to 5.0% (Michael Krensavage, Krensavage Asset Management). Not free-float ownership.
Who owns RARE
Sorted by value, long equity only, as of 2026 Q2.
| History | |||||
|---|---|---|---|---|---|
| Palo Alto Investors | Hold | 596,495 | $20M | History | |
| Michael Krensavage, Krensavage Asset Management | Hold | 390,879 | $13M | History | |
| Nathan Fischel, Dafna Capital Management | Reduce −22.9% | 47,100 | $1.6M | History |
Insider trades
Open-market buys and sales by RARE's executives, directors and 10% owners in the last 12 months, from their Form 4s
- None no insider bought on the open market
- $2.5M sold by 8 insiders outside a trading plan
- $1.3M sold by 4 insiders under 10b5-1 plans
-
Howard Horn CFOSale$108K 7,066 shares at $15.27 7.3% of stakeTraded Oct 15 Filed Oct 19
-
Theodore Alan Huizenga SVP, Chief Accounting OfficerPlanned sale$17K 1,283 shares at $13.57 1.9% of stakeTraded Sep 15 Filed Sep 15
-
Theodore Alan Huizenga SVP, Chief Accounting OfficerSale$2,252 161 shares at $13.99 0.2% of stakeTraded Sep 3 Filed Sep 8
-
Karah Herdman Parschauer EVP and Chief Legal OfficerPlanned sale$47K 1,900 shares at $24.92 2% of stakeTraded Aug 3 Filed Aug 4
-
Howard Horn CFOPlanned sale$117K 4,696 shares at $24.92 4.6% of stakeTraded Aug 3 Filed Aug 4
-
Howard Horn CFOPlanned sale$156K 4,698 shares at $33.13 4.4% of stakeTraded Jul 1 Filed Jul 6
-
Corazon (Corsee) D. Sanders DirectorSale$50K 2,000 shares at $25.05 8.7% of stakeTraded Jun 15 Filed Jun 15
-
Karah Herdman Parschauer EVP and Chief Legal OfficerPlanned sale$47K 1,899 shares at $24.62 2% of stakeTraded Jun 15 Filed Jun 15
-
Howard Horn CFOPlanned sale$111K 4,653 shares at $23.77 4.2% of stakeTraded Jun 1 Filed Jun 1
-
Shehnaaz Suliman DirectorPlanned sale$144K 5,740 shares at $25.12 17% of stakeTraded May 18 Filed May 18
-
Eric Crombez EVP and Chief Medical OfficerSale$8,586 344 shares at $24.96 0.3% of stakeTraded May 5 Filed May 6
-
Howard Horn CFOPlanned sale$117K 4,683 shares at $24.90 4.1% of stakeTraded May 1 Filed May 4
-
Howard Horn CFOPlanned sale$98K 4,683 shares at $20.97 5.5% of stakeTraded Apr 1 Filed Apr 2
-
Karah Herdman Parschauer EVP and Chief Legal OfficerSale$208K 9,526 shares at $21.87 13% of stakeTraded Mar 6–10 Filed Mar 10
-
John Richard Pinion See RemarksSale$229K 10,029 shares at $22.80 8.4% of stakeTraded Mar 2 Filed Mar 3
Also filed in the last 12 months, not counted as buying or selling: 22 stock grants and 2 share withholdings for taxes.
Congress
1 member of Congress traded RARE in the last three years: 5 buys and 0 sales. 1 member listed it in 2025 annual reports.
-
Gilbert Ray Cisneros, Jr.
Buy
$1K–$15K
Sep 29
filed Oct 12
-
Gilbert Ray Cisneros, Jr.
Buy
$1K–$15K
Mar 3
filed Apr 7
-
Gilbert Ray Cisneros, Jr.
Buy
$1K–$15K
Feb 18
filed Mar 9
-
Gilbert Ray Cisneros, Jr.
Buy
$1K–$15K
Aug 8, 2025
filed Sep 12, 2025
-
Gilbert Ray Cisneros, Jr.
Buy
$1K–$15K
Jul 15, 2025
filed Aug 14, 2025
SEC filings
Recent issuer filings from EDGAR, 22 shown.
| Filed | Form | Detail | Links |
|---|---|---|---|
| SCHEDULE 13G | — | Filing Doc | |
| 8-K | 8.01 | Filing Doc | |
| 8-K | 1.01 | Filing Doc | |
| 8-K | 1.01 | Filing Doc | |
| 8-K | 8.01 | Filing Doc | |
| 8-K | 8.01 | Filing Doc | |
| 8-K | 8.01 | Filing Doc | |
| SCHEDULE 13G | — | Filing Doc | |
| SCHEDULE 13G | — | Filing Doc | |
| 8-K | 8.01 | Filing Doc | |
| SCHEDULE 13G | — | Filing Doc | |
| 10-Q | Filing Doc | ||
| 8-K | 2.02,9.01 | Filing Doc | |
| SCHEDULE 13G | — | Filing Doc | |
| SCHEDULE 13G/A | — | Filing Doc | |
| SCHEDULE 13G/A | — | Filing Doc | |
| 8-K | 5.02,5.07,9.01 | Filing Doc | |
| SCHEDULE 13G | — | Filing Doc | |
| 10-Q | Filing Doc | ||
| 8-K | 2.02,9.01 | Filing Doc | |
| DEFA14A | Filing Doc | ||
| SCHEDULE 13G | — | Filing Doc |
No filings match this filter.
Financials
US-GAAP annual figures by fiscal year, as tagged in Form 10-K. Each value links to its SEC filing.
Income statement
Balance sheet
Ownership over time
13Fs that reported it each quarter. Click a bar for that quarter’s holders.