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 Q2	$434K	Sell	1,283 -200	-13%	-$62K	﹤0.01%	822
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 $6.73T AUM 46.02% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

Ariel Investments Chicago, Illinois $10B AUM 42.59% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Picton Mahoney Asset Management's AMG Position: Q2 2026 in Review

Picton Mahoney Asset Management reduced its Affiliated Managers Group (AMG) stake by 13% in Q2 2026, selling an estimated $62K and leaving 1,283 shares worth $434K. The position accounts for ﹤0.01% of the portfolio, ranked #822.

Picton Mahoney Asset Management first reported a position in AMG in Q2 2016 and has held it in 12 quarters since. The position peaked at $934K in Q3 2025. 567 funds tracked by Wall St. Rank hold AMG as of Q2 2026.

Picton Mahoney Asset Management held 1,283 shares of Affiliated Managers Group worth $434K as of Q2 2026.
Picton Mahoney Asset Management sold 200 Affiliated Managers Group shares in Q2 2026, an estimated $62K.
Affiliated Managers Group made up ﹤0.01% of Picton Mahoney Asset Management's portfolio in Q2 2026, its #822 holding.
Picton Mahoney Asset Management first reported a position in Affiliated Managers Group in Q2 2016 and has held it in 12 quarters since.
Picton Mahoney Asset Management's Affiliated Managers Group position peaked at $934K in Q3 2025.
567 funds tracked by Wall St. Rank held Affiliated Managers Group as of Q2 2026.

Based on Picton Mahoney Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.