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AMG in the 13F filings

Affiliated Managers Group · CUSIP 008252108

Sector · Other financial servicesTheme · Financial services· L3VLUP-defined
Quarter
Q2 2026Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023Q3 2023
Quarter end
30 Sep 2025
the date the book describes
Filed
14 Nov 2025
latest of these filings; the earliest 13 Nov 2025
Managers listing it
6
at least, of 95 tracked, among listed positions
Comparable managers
95
filed both Q2 2025 and Q3 2025; 5 listed it in both
Shares listed
1,635,566
combined, among listed positions
Reported value
$390m
combined, at the quarter end

Among the 95 comparable managers: 3 buyers (opened or added shares) and 2 sellers (trimmed or exited), at least, among listed positions. Their net change in shares is not known from listed positions, because at least one of them lists it in only one of the two quarters.

Managers listing AMG in Q3 2025

Share of 13F value is the position’s reported value over everything the manager reported that quarter. The share change is against Q2 2025, and only where both filings list the position. A rise in value with no rise in shares is the price, not buying.

6 of 6 holders

ActionFiling
Millennium Management LLC1,017,113$243m0.10%Trimmed-552,21314 Nov 2025 (the filing on sec.gov)
Balyasny Asset Management LLC336,063$80m0.10%Added+24,68014 Nov 2025 (the filing on sec.gov)
Holocene Advisors LP253,935$61m0.14%Added+152,98214 Nov 2025 (the filing on sec.gov)
ExodusPoint Capital Management LP19,217$4.6munder 0.1%Newnew14 Nov 2025 (the filing on sec.gov)
Southeastern Asset Management Inc6,838$1.6m0.08%Held014 Nov 2025 (the filing on sec.gov)
Dodge & Cox2,400$572kunder 0.1%Trimmed-60013 Nov 2025 (the filing on sec.gov)

Largest increases and reductions, by shares

Q2 2025 to Q3 2025, among managers that listed it in both quarters or opened it.

Increases

Reductions

New positions and exits

At least these many: a manager is shown exiting only where its own filing shows the position gone.

New (1)

Exited (0)

No exit shown by a manager’s own filing.

Ownership over time

Every quarter on file. A quarter-end value moves with the price as well as with the shares held; buyers and sellers count comparable managers, by shares.
4 in Q3 2024 to 6 in Q2 2026

Tracked managers listing it, at least.

051015202014201620182020202220242026
the quarter shown share split complete books; unmarked quarters rest on listed positionsClick a quarter to open it.
AMG by quarter
QuarterHoldersReported valueBuyersSellers
Q2 201310$1.1bnn.a.n.a.
Q3 201310$1.1bnn.a.n.a.
Q4 20139$1.5bnn.a.n.a.
Q1 201417$1.4bnn.a.n.a.
Q2 201417$1.3bnn.a.n.a.
Q3 201413$905mn.a.n.a.
Q4 20147$868mn.a.n.a.
Q1 201512$962mn.a.n.a.
Q2 20157$926mn.a.n.a.
Q3 201516$1.0bnn.a.n.a.
Q4 201512$903mn.a.n.a.
Q1 201613$1.1bnn.a.n.a.
Q2 201617$1.0bnn.a.n.a.
Q3 201614$806mn.a.n.a.
Q4 201611$463mn.a.n.a.
Q1 20178$412mn.a.n.a.
Q2 20178$508mn.a.n.a.
Q3 20177$559mn.a.n.a.
Q4 201710$538mn.a.n.a.
Q1 201810$510mn.a.n.a.
Q2 201818$661mn.a.n.a.
Q3 201814$712mn.a.n.a.
Q4 201813$600mn.a.n.a.
Q1 20197$531mn.a.n.a.
Q2 20196$265mn.a.n.a.
Q3 20193$215mn.a.n.a.
Q4 20199$245mn.a.n.a.
Q1 20204$88mn.a.n.a.
Q2 20205$143mn.a.n.a.
Q3 20202$97mn.a.n.a.
Q4 20205$174mn.a.n.a.
Q1 20215$251mn.a.n.a.
Q2 20215$315mn.a.n.a.
Q3 20218$340mn.a.n.a.
Q4 20214$315mn.a.n.a.
Q1 20222$262mn.a.n.a.
Q2 20222$226mn.a.n.a.
Q3 20223$210mn.a.n.a.
Q4 202211$296mn.a.n.a.
Q1 20239$202mn.a.n.a.
Q2 20237$185mn.a.n.a.
Q3 20233$141mn.a.n.a.
Q4 20238$219m62
Q1 20246$216m33
Q2 20247$209m44
Q3 20244$168m22
Q4 20243$144m12
Q1 20255$310m32
Q2 20257$417m51
Q3 20256$390m32
Q4 202510$471m1122
Q1 20269$219m1814
Q2 20266$365m1020

Compare with…

Holders over time, buyers and sellers, and the managers holding both, side by side for up to four stocks.

AMG and V →AMG and AXP →AMG and BAC →Choose a stock to compare with AMG →

How much of the picture this is

A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. It shows no shorts, cash, bonds or performance, and it is never today’s portfolio. Large books are listed to their largest positions, so a manager missing from this table may still hold a small position below that line. These are 95 tracked managers, not the institutional market.

Which funds own AMG, latest filings →Back to the 13F Explorer →