Ultragenyx Pharmaceutical Down Over 45%, On Pace for Record Low Close and Record Percent Decrease -- Data Talk

Ultragenyx Pharmaceutical, Inc. (RARE) is currently at $14.40, down $12.13 or 45.72%

--Would be new all-time closing low (Based on available data back to Jan. 31, 2014)

--Would be largest percent decrease on record (Based on available data back to Jan. 31, 2014)

--Snaps a two day winning streak

--Down 37.39% year-to-date

--Down 91.88% from its all-time closing high of $177.39 on Dec. 23, 2020

--Down 53.96% from 52 weeks ago (Sept. 4, 2025), when it closed at $31.28

--Down 60.59% from its 52-week closing high of $36.54 on Dec. 4, 2025

--Would be a new 52-week closing low

--Traded as low as $13.81; new all-time intraday low (Based on available data back to Jan. 31, 2014)

--Down 47.95% at today's intraday low; largest intraday percent decrease on record (Based on available data back to Jan. 31, 2014)

All data as of 11:24:52 AM ET

Source: Dow Jones Market Data, FactSet

(END) Dow Jones Newswires

September 03, 2026 11:27 ET (15:27 GMT)