Aigen Investment Management’s Affiliated Managers Group AMG Stock Holding History

Aigen Investment 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	$757K	Buy	+2,238	New	+$694K	0.21%	135
2023 Q2	–	Sell	-1,416	Closed	-$202K	–	730
2023 Q1	$202K	Buy	+1,416	New	+$224K	0.03%	526
2022 Q4	–	Sell	-2,130	Closed	-$238K	–	517
2022 Q3	$238K	Sell	2,130 -359	-14%	-$45.1K	0.03%	468
2022 Q2	$290K	Sell	2,489 -801	-24%	-$103K	0.05%	402
2022 Q1	$464K	Buy	+3,290	New	+$473K	0.08%	298
2021 Q2	–	Sell	-11,677	Closed	-$1.74M	–	450
2021 Q1	$1.74M	Buy	+11,677	New	+$1.53M	0.23%	103
2020 Q4	–	Sell	-4,404	Closed	-$301K	–	768
2020 Q3	$301K	Buy	+4,404	New	+$308K	0.04%	537
2020 Q1	–	Sell	-719	Closed	-$61K	–	1251
2019 Q4	$61K	Buy	+719	New	+$59K	0.01%	777

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 $3.37T AUM 44.26% 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

Aigen Investment Management's AMG Position: Q2 2026 in Review

Aigen Investment Management opened a new position in Affiliated Managers Group (AMG) in Q2 2026: 2,238 shares worth $757K. The stake represents 0.21% of the portfolio and ranks #135 among its holdings. This is a return to the name: Aigen Investment Management previously reported a position in AMG as recently as Q1 2023.

Aigen Investment Management first reported a position in AMG in Q4 2019 and has held it in 8 quarters since. The position peaked at $1.74M in Q1 2021. 566 funds tracked by Wall St. Rank hold AMG as of Q2 2026.

Aigen Investment Management held 2,238 shares of Affiliated Managers Group worth $757K as of Q2 2026.
Affiliated Managers Group was a new Aigen Investment Management position in Q2 2026.
Affiliated Managers Group made up 0.21% of Aigen Investment Management's portfolio in Q2 2026, its #135 holding.
Aigen Investment Management first reported a position in Affiliated Managers Group in Q4 2019 and has held it in 8 quarters since.
Aigen Investment Management's Affiliated Managers Group position peaked at $1.74M in Q1 2021.
566 funds tracked by Wall St. Rank held Affiliated Managers Group as of Q2 2026.

Based on Aigen Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.