Mark T. Bertolini owns 2.51% of Oscar Health
7,751,570 shares as of the June 30, 2026 filing, worth $247M at the latest close.
OSCR · $9.8B market capGet an email when Mark T. Bertolini’s stake moves.
Free.
The stake
2.51%
worth $247M at the latest close
Stake rank
#247
by dollar value of the stake
Last sale
111 days ago
Jun 30, 2026
Last buy
196 days ago
Apr 6, 2026 · $11.9M
Mark T. Bertolini owns 2.51% of Oscar Health, Inc.: 7,751,570 of 308,645,000 shares, worth about $247M at the 2026-10-16 close. The stake has moved from 0.00% in 2023 to 2.51% on 2026-06-30, across 2 sales and 1 purchase that moved it since 2016. The last trade that moved it was a planned sale of $35.8M on 2026-06-30.
How the stake is held
as of the Jun 30, 2026 filing
SHARES
OF THE STAKE
CLASS A · stated Jun 30, 2026 · Form 4 ↗
HELD DIRECTLY
7,751,570
100.0%
THE STAKE
7,751,570
2.51%