Picton Mahoney Asset Management’s Affiliated Managers Group AMG Stock Holding History

Picton Mahoney Asset Management’s Portfolio AMG Stock Details AMG Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$410K	Buy	1,483 +150	+11%	+$45.2K	﹤0.01%	777
2025 Q4	$384K	Sell	1,333 -2,584	-66%	-$668K	﹤0.01%	698
2025 Q3	$934K	Buy	3,917 +509	+15%	+$112K	0.01%	479
2025 Q2	$670K	Buy	+3,408	New	+$591K	0.01%	441
2018 Q1	–	Sell	-825	Closed	-$169K	–	197
2017 Q4	$169K	Hold	825	–	–	0.01%	165
2017 Q3	$156K	Sell	825 -25	-3%	-$4.45K	0.01%	175
2017 Q2	$141K	Hold	850	–	–	0.01%	186
2017 Q1	$139K	Sell	850 -1,800	-68%	-$285K	0.01%	179
2016 Q4	$385K	Hold	2,650	–	–	0.03%	163
2016 Q3	$384K	Sell	2,650 -1,100	-29%	-$157K	0.03%	196
2016 Q2	$528K	Buy	+3,750	New	+$614K	0.03%	198

Other funds holding AMG

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Ariel Investments Chicago, Illinois $8.93B AUM 29.58% 1-Year Est. Return

Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Picton Mahoney Asset Management's AMG Position: Q1 2026 in Review

Picton Mahoney Asset Management increased its Affiliated Managers Group (AMG) stake by 11% in Q1 2026, buying an estimated $45.2K and bringing the position to 1,483 shares worth $410K. The position accounts for ﹤0.01% of the portfolio, ranked #777.

Picton Mahoney Asset Management first reported a position in AMG in Q2 2016 and has held it in 11 quarters since. The position peaked at $934K in Q3 2025. 543 funds tracked by Wall St. Rank hold AMG as of Q1 2026.

Picton Mahoney Asset Management held 1,483 shares of Affiliated Managers Group worth $410K as of Q1 2026.
Picton Mahoney Asset Management bought 150 Affiliated Managers Group shares in Q1 2026, an estimated $45.2K.
Affiliated Managers Group made up ﹤0.01% of Picton Mahoney Asset Management's portfolio in Q1 2026, its #777 holding.
Picton Mahoney Asset Management first reported a position in Affiliated Managers Group in Q2 2016 and has held it in 11 quarters since.
Picton Mahoney Asset Management's Affiliated Managers Group position peaked at $934K in Q3 2025.
543 funds tracked by Wall St. Rank held Affiliated Managers Group as of Q1 2026.

Based on Picton Mahoney Asset Management's 13F filing for Q1 2026, filed 13 May 2026.