Jay C. Horgen owns 2.28% of Affiliated Managers Group
588,764 shares as of the June 8, 2026 filing, worth $226M at the latest close.
AMG · $9.9B market capGet an email when Jay C. Horgen’s stake moves.
Free.
The stake
2.28%
worth $226M at the latest close
Stake rank
#260
by dollar value of the stake
Last sale
133 days ago
Jun 8, 2026
Last buy
1,861 days ago
Sep 14, 2021 · $316,020
Jay C. Horgen owns 2.28% of AFFILIATED MANAGERS GROUP, INC.: 588,764 of 25,859,933 shares, worth about $226M at the 2026-10-16 close. The stake has moved from 0.07% in 2016 to 2.28% on 2026-08-05, across 4 sales and 7 purchases that moved it since 2016. The last trade that moved it was a discretionary sale of $5.9M on 2026-06-08.
How the stake is held
as of the Jun 8, 2026 filing
SHARES
OF THE STAKE
COMMON STOCK · stated Jun 8, 2026 · Form 4 ↗
HELD DIRECTLY
204,706
34.8%
HELD INDIRECTLY · 2 VEHICLES
384,058
65.2%
By GRATs
350,000
59.4%
By Family Trusts
34,058
5.8%
THE STAKE
588,764
2.28%