Jane Street’s Affiliated Managers Group AMG Stock Holding History

Jane Street’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	$1.19M	Buy	+4,300	New	+$1.3M	﹤0.01%	6140
2023 Q3	–	Sell	-2,000	Closed	-$300K	–	8563
2023 Q2	$300K	Buy	+2,000	New	+$286K	﹤0.01%	7121
2022 Q1	–	Sell	-7,300	Closed	-$1.2M	–	10211
2021 Q4	$1.2M	Buy	+7,300	New	+$1.22M	﹤0.01%	5520
2019 Q1	–	Sell	-3,200	Closed	-$312K	–	4956
2018 Q4	$312K	Buy	+3,200	New	+$361K	﹤0.01%	4016

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

Jane Street's AMG Position: Q1 2026 in Review

Jane Street increased its Affiliated Managers Group (AMG) stake by 530% in Q1 2026, buying an estimated $64M and bringing the position to 252,505 shares worth $69.9M. The position accounts for 0.01% of the portfolio, ranked #835.

Jane Street first reported a position in AMG in Q2 2013 and has held it in 42 quarters since. 543 funds tracked by Wall St. Rank hold AMG as of Q1 2026.

Jane Street held 252,505 shares of Affiliated Managers Group worth $69.9M as of Q1 2026.
Jane Street bought 212,426 Affiliated Managers Group shares in Q1 2026, an estimated $64M.
Affiliated Managers Group made up 0.01% of Jane Street's portfolio in Q1 2026, its #835 holding.
Jane Street first reported a position in Affiliated Managers Group in Q2 2013 and has held it in 42 quarters since.
543 funds tracked by Wall St. Rank held Affiliated Managers Group as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.