Emil D. Kakkis owns 2.94% of Ultragenyx Pharmaceutical
2,894,724 shares as of the April 16, 2026 filing, worth $42.1M at the latest close.
RARE · $1.4B market cap · Founder-ledGet an email when Emil D. Kakkis’s stake moves.
Free.
The stake
2.94%
worth $42.1M at the latest close
Stake rank
#803
by dollar value of the stake
Last sale
231 days ago
Mar 2, 2026
Last buy
2,595 days ago
Sep 11, 2019 · $218,150
Emil D. Kakkis owns 2.94% of Ultragenyx Pharmaceutical Inc.: 2,894,724 of 98,588,873 shares, worth about $42.1M at the 2026-10-16 close. The stake has moved from 7.93% in 2016 to 2.94% on 2026-07-31, across 22 sales and 2 purchases that moved it since 2016. The last trade that moved it was a discretionary sale of $1.2M on 2026-03-02.
How the stake is held
as of the Apr 16, 2026 filing
SHARES
OF THE STAKE
COMMON STOCK · stated Apr 16, 2026 · Form 4 ↗
HELD DIRECTLY
735,739
25.4%
HELD INDIRECTLY · 2 VEHICLES
2,158,985
74.6%
By Emil Kakkis and Jenny Soriano Living Trust, dated June 18, 200909
1,758,985
60.8%
By GRAT
400,000
13.8%
THE STAKE
2,894,724
2.94%