Ultragenyx Pharmaceutical Inc.
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Range $30 – $83
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About the company
Ultragenyx Pharmaceutical Inc. is a biopharmaceutical firm dedicated to discovering, developing, and commercializing innovative treatments for rare and ultra-rare genetic conditions. Its operations span North America, Europe, and other international markets.
- CEO
- Emil D. Kakkis
- IPO
- 2014
- Employees
- 1,371
- HQ
- Novato, CA, US
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Similar companies
Peers in the same neighborhood.
- Market Cap
- $2.61B
- P/E
- -4.53
- Fwd P/E
- 76.26
- PEG
- 0.73
- P/S
- 3.63
- P/B
- -9.26
- EV/EBITDA
- -7.78
- Div Yield
- 0.00%
- Gross Margin
- 83.12%
- Op Margin
- -73.77%
- Net Margin
- -81.79%
- ROE
- 392.35%
- ROIC
- -53.48%
Latest fiscal year · YoY change
- Revenue
- $673.00M+20.1%
- Gross Profit
- $564.00M+16.6%
- Op Income
- $-535,000,000
- Net Income
- $-575,000,000-1.0%
- EPS
- $-5.83+7.3%
- OCF Growth
- -12.5%
- FCF Growth
- -11.9%
- 52W High
- $39.89
- 52W Low
- $18.29
- 50D MA
- $28.22
- 200D MA
- $26.51
- Beta
- 0.31
- RSI (14)
- 49
- Avg Volume
- 2.26M
Earnings call summaries
Pick a quarter — each call distilled into takeaways, results, and a bull vs bear read.
Ultragenyx posted its highest quarterly revenue ever, reaffirmed full-year guidance, and said the second half of 2026 could bring three major catalysts: two gene therapy PDUFA decisions and Angelman phase III data.· August 4, 2026
- Q2 2026 revenue was $214 million, led by Crysvita at $156 million; the company said this was the highest quarterly revenue in its history.
- Net loss was $92 million, or $0.90 per share; operating expenses were $289 million, including $34 million of non-cash stock-based compensation.
- Management reaffirmed full-year revenue guidance and combined R&D plus SG&A guidance.
- Cash and marketable securities were $436 million at June 30, with Q2 operating cash burn of $97 million.
- Key 2026 events: DTX-401 PDUFA on August 23, UX-111 PDUFA on September 19, and GTX-102 top-line phase III data expected in September or October.
Total revenue for the second quarter of 2026 was $214 million. Crysvita contributed $156 million, including $94 million from North America, $54 million from Latin America and Turkey, and $8 million from Europe. DOJOLVI contributed $27 million, Evkeeza contributed $21 million, and MEPSEVII contributed $10 million. Operating expenses were $289 million, including $34 million of cost of sales and $255 million of combined R&D and SG&A, with $34 million of non-cash stock-based compensation. Net loss was $92 million, or $0.90 per share. Cash equivalents and marketable securities were $436 million at June 30, and net cash used in operations was $97 million. Management reaffirmed full-year revenue guidance and combined R&D and SG&A guidance, but did not give new numeric guidance on this call.
Emil Kakkis emphasized execution across both the commercial and development organizations, calling out record quarterly revenue and saying the company is positioned for a major second half of 2026. He framed DTX-401 and UX-111 as potential first-ever treatments for devastating rare diseases, and said the team remains confident in the regulatory work and launch preparedness. His tone was upbeat and urgent, with a clear focus on near-term catalysts and a path to profitability in 2027.
Howard Horn said the quarter’s revenue mix reflected strong underlying demand plus seasonal ordering timing, and noted that operating expenses came in at $289 million with $34 million of stock-based compensation. He highlighted $436 million in cash and marketable securities, and $97 million of operating cash use in Q2, which he said was a significant improvement versus Q1. On the path to profitability, he pointed to three levers: double-digit growth from current products plus launches, continued expense discipline, and potential non-dilutive capital from priority review voucher monetization if DTX-401 and UX-111 are approved.
Analysts focused heavily on GTX-102’s statistical plan, including whether one endpoint alone would be enough for filing, how the Bayley and MDRI endpoints should be interpreted, and whether the study could still support a filing if results were mixed. Management said FDA had agreed to the alpha-sharing approach, that either endpoint can be positive for success, and that the endpoints were chosen to reflect clinically meaningful changes. Questions also centered on setrusumab, where management said FDA and MHRA discussions suggest more clinical data may be needed and that BMD is not yet accepted as a primary basis for approval; on Angelman safety, management said no study-stopping safety issue had emerged and no FDA threshold for lower-extremity weakness was provided.
The company said core commercial products are still growing, with Crysvita, DOJOLVI, Evkeeza, and MEPSEVII all contributing and Evkeeza up 50% year over year. Management also sounded confident that the launch infrastructure is ready, citing QTC contracting, payer engagement, and a broad rare-disease commercial footprint. On the pipeline side, the company is approaching multiple potential firsts in a short window, which management said could materially expand growth.
The quarter still showed a net loss and substantial operating cash burn, and management did not provide new upside to guidance. Regulatory and development risk remains meaningful: DTX-401 and UX-111 are still awaiting FDA decisions, GTX-102 data are not yet read out, and setrusumab may require additional clinical work before a filing path is clear. Management also acknowledged quarter-to-quarter revenue variability from ordering patterns and said the profitability target depends on multiple moving parts, including successful launches and PRV monetization.
AI summary of the company's earnings call · Paraphrased · Not investment advice
- Free Float
- 96.1%
- Shares Outstanding
- 98.49M
- Float Shares
- 94.61M
of shares held by institutions
312 13F filers
Buy/sell ratio 0.00. Sells can include pre-scheduled 10b5-1 plan sales, not just discretionary selling.
Congressional trading
Senate and House stock disclosures for RARE, newest first.
Source: public STOCK Act disclosures. Filed weeks after the trade — a lagging signal, not a real-time one.
Top institutional holders
Largest 13F positions, with quarter-over-quarter change.
| Holder | Shares | Δ Quarter |
|---|---|---|
| Blackrock, Inc. | 10.65M | ▲ 3.35M |
| Vanguard Group Inc | 10.26M | ▲ 131.09K |
| Rtw Investments, LP | 7.80M | ▲ 4.15M |
| Aqr Capital Management LLC | 6.56M | ▲ 1.98M |
| State Street Corp | 6.16M | ▲ 1.14M |
| Vanguard Capital Management LLC | 4.30M | ▲ 106.66K |
| Two Sigma Investments, LP | 3.62M | ▲ 1.42M |
| Sands Capital Management, LLC | 3.16M | ▼ 56.16K |
| Jacobs Levy Equity Management, Inc | 2.94M | ▲ 1.51M |
| Frontier Capital Management Co LLC | 2.85M | ▲ 656.75K |
| Geode Capital Management, LLC | 2.58M | ▲ 729.44K |
| Bellevue Group AG | 1.98M | ▼ 397.23K |
Held by 310 ETFs
Biggest fund positions in RARE by dollar value.
Recent insider transactions
Who's buying, who's selling, and how much.
| Date | Insider | Type | Shares |
|---|---|---|---|
| Aug 3, 26 | Parschauer Karah Herdman | sell | 1,900 |
| Aug 3, 26 | Horn Howard | sell | 4,696 |
| Jul 1, 26 | Horn Howard | sell | 4,698 |
| Jun 15, 26 | Sanders Corazon (Corsee) D. | sell | 2,000 |
| Jun 15, 26 | Parschauer Karah Herdman | sell | 1,899 |
| Jun 1, 26 | Horn Howard | sell | 4,653 |
| May 14, 26 | Fust Matthew K | other | 7,751 |
| May 14, 26 | Fust Matthew K | other | 14,058 |
| May 14, 26 | SULIMAN SHEHNAAZ | other | 7,751 |
| May 18, 26 | SULIMAN SHEHNAAZ | sell | 5,740 |
A “Sell” may be a pre-scheduled 10b5-1 plan sale rather than a discretionary decision — read insider selling with that in mind.
Our RARE coverage
Recent articles, reports, and earnings notes.

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Ultragenyx Nabs FDA Nod for First Gene Therapy
benzinga.com · Aug 20
Ultragenyx Wins FDA Approval for GENGLYCOS, Its First Gene Therapy
marketbeat.com · Aug 20
Ultragenyx Pharmaceutical Inc. (RARE) Discusses FDA Approval of Gene Therapy for Glycogen Storage Disease Type 1a Transcript
seekingalpha.com · Aug 20
Ultragenyx's gene therapy for rare metabolic disorder secures US FDA nod
reuters.com · Aug 19
Ultragenyx Announces U.S. FDA Approval of GENGLYCOS™ Gene Therapy, the First-Ever FDA-Approved Treatment Designed to Treat the Underlying Cause of Glycogen Storage Disease Type Ia (GSDIa)
globenewswire.com · Aug 19
Ultragenyx: Undervalued Ahead Of Two FDA Decisions
seekingalpha.com · Aug 14
Assenagon Asset Management S.A. Sells 2,136,807 Shares of Ultragenyx Pharmaceutical Inc. $RARE
defenseworld.net · Aug 13
Ultragenyx Pharmaceutical (NASDAQ:RARE) Shares Gap Up Following Strong Earnings
defenseworld.net · Aug 6
Headlines from third-party outlets — TickerSpark isn't affiliated with these sources.