What does CUSIP 008252108 represent in this 13F holders report?

CUSIP 008252108 is the security identifier for AMG - AFFILIATED MANAGERS GROUP, INC. - Common Stock used to aggregate holder disclosures.

How many institutions held AMG - AFFILIATED MANAGERS GROUP, INC. - Common Stock in Q4 2020?

284 institutional investors reported AMG - AFFILIATED MANAGERS GROUP, INC. - Common Stock for Q4 2020. Use the holders table for investor-level position and value details.

AFFILIATED MANAGERS GROUP, INC. - Common Stock (AMG)

CUSIP: 008252108

Q4 2020 13F Holders as of 31 Dec 2020

Type / Class: Equity / Common Stock
Shares outstanding: 26,701,627
Total 13F shares: 45,205,424
Share change: -758,995
Total reported value: $4,597,117,191
Put/Call ratio: 26%
Price per share: $101.70
Number of holders: 284
Value change: -$72,126,508
Number of buys: 111
Number of sells: 151

Quarterly Holders Quick Answers

What is CUSIP 008252108?
CUSIP 008252108 identifies AMG - AFFILIATED MANAGERS GROUP, INC. - Common Stock in SEC institutional holdings data.

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Newer quarter: Q1 2021
Previous quarter: Q3 2020

Recent filing periods for CUSIP 008252108:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of AMG - AFFILIATED MANAGERS GROUP, INC. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
EdgePoint Investment Group Inc.	13F	Company	32%	8,587,850	$587,237,000	—	30 Sep 2020	13F
VANGUARD GROUP INC	13F	Company	15%	3,885,164	$265,669,000	—	30 Sep 2020	13F
BlackRock Finance, Inc.	13F	Company	14%	3,851,434	$263,360,000	—	30 Sep 2020	13F
ATLANTA CAPITAL MANAGEMENT CO L L C	13F	Company	7.6%	2,018,432	$138,020,000	—	30 Sep 2020	13F
Clarkston Capital Partners, LLC	13F	Company	7.2%	1,909,702	$130,585,000	—	30 Sep 2020	13F
Kiltearn Partners LLP	13F	Company	6.4%	1,710,430	$116,959,000	—	30 Sep 2020	13F
FMR LLC	13F	Company	5.8%	1,549,588	$105,961,000	—	30 Sep 2020	13F
STATE STREET CORP	13F	Company	5.6%	1,504,598	$102,884,000	—	30 Sep 2020	13F
ACR Alpine Capital Research, LLC	13F	Company	5.4%	1,444,986	$98,809,000	—	30 Sep 2020	13F
SOUTHEASTERN ASSET MANAGEMENT INC/TN/	13F	Company	5.2%	1,401,624	$95,843,000	—	30 Sep 2020	13F
LGT CAPITAL PARTNERS LTD.	13F	Company	5.1%	1,367,370	$93,501,000	—	30 Sep 2020	13F
Spyglass Capital Management LLC	13F	Company	4.3%	1,149,077	$78,574,000	—	30 Sep 2020	13F
LYRICAL ASSET MANAGEMENT LP	13F	Company	3.7%	999,524	$68,347,000	—	30 Sep 2020	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	3%	789,473	$53,981,000	—	30 Sep 2020	13F
ARIEL INVESTMENTS, LLC	13F	Company	2.8%	749,421	$51,245,000	—	30 Sep 2020	13F
PRUDENTIAL FINANCIAL INC	13F	Company	2.7%	721,718	$49,351,000	—	30 Sep 2020	13F
Invesco Ltd.	13F	Company	2.5%	655,104	$44,796,000	—	30 Sep 2020	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	2.1%	566,069	$38,707,000	—	30 Sep 2020	13F
JUPITER ASSET MANAGEMENT LTD	13F	Company	2.1%	555,231	$37,961,000	—	30 Sep 2020	13F
Bank of New York Mellon Corp	13F	Company	2%	537,358	$36,745,000	—	30 Sep 2020	13F
NORGES BANK	13F	Company	1.7%	467,098	$31,940,000	—	30 Sep 2020	13F
OPPENHEIMER ASSET MANAGEMENT INC.	13F	Company	1.5%	411,295	$28,125,000	—	30 Sep 2020	13F
NORTHERN TRUST CORP	13F	Company	1.5%	389,683	$26,647,000	—	30 Sep 2020	13F
VICTORY CAPITAL MANAGEMENT INC	13F	Company	1.4%	365,654	$25,003,000	—	30 Sep 2020	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	1.4%	364,053	$24,894,000	—	30 Sep 2020	13F
TRUIST FINANCIAL CORP	13F	Company	1.3%	341,953	$23,383,000	—	30 Sep 2020	13F
HHLR ADVISORS, LTD.	13F	Company	1.3%	335,073	$22,912,000	—	30 Sep 2020	13F
BRUNI J V & CO /CO	13F	Company	1.2%	324,545	$22,192,000	—	30 Sep 2020	13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	13F	Company	1.1%	296,159	$20,251,000	—	30 Sep 2020	13F
GOLDMAN SACHS GROUP INC	13F	Company	1.1%	287,676	$19,671,000	—	30 Sep 2020	13F
RAYMOND JAMES & ASSOCIATES	13F	Company	0.94%	250,766	$17,147,000	—	30 Sep 2020	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.8%	214,862	$14,692,000	—	30 Sep 2020	13F
JPMORGAN CHASE & CO	13F	Company	0.79%	211,495	$14,384,000	—	30 Sep 2020	13F
D. E. Shaw & Co., Inc.	13F	Company	0.75%	200,858	$13,735,000	—	30 Sep 2020	13F
SCHRODER INVESTMENT MANAGEMENT GROUP	13F	Company	0.66%	175,018	$12,093,000	—	30 Sep 2020	13F
Wallace Capital Management Inc.	13F	Company	0.65%	172,837	$11,819,000	—	30 Sep 2020	13F
Brandywine Global Investment Management, LLC	13F	Company	0.54%	143,213	$9,793,000	—	30 Sep 2020	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.52%	138,533	$9,473,000	—	30 Sep 2020	13F
MACQUARIE GROUP LTD	13F	Company	0.5%	133,963	$9,161,000	—	30 Sep 2020	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.49%	130,353	$8,914,000	—	30 Sep 2020	13F
Legal & General Group Plc	13F	Company	0.49%	129,569	$8,860,000	—	30 Sep 2020	13F
RHUMBLINE ADVISERS	13F	Company	0.48%	127,345	$8,708,000	—	30 Sep 2020	13F
Nuveen Asset Management, LLC	13F	Company	0.45%	120,006	$8,206,000	—	30 Sep 2020	13F
Polar Capital LLP	13F	Company	0.45%	119,195	$8,151,000	—	30 Sep 2020	13F
RIVER GLOBAL INVESTORS LLP	13F	Company	0.42%	113,394	$7,753,000	—	30 Sep 2020	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.42%	112,218	$7,673,000	—	30 Sep 2020	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.41%	108,700	$7,433,000	—	30 Sep 2020	13F
Swiss National Bank	13F	Company	0.4%	107,100	$7,323,000	—	30 Sep 2020	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.4%	106,544	$7,286,000	—	30 Sep 2020	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.36%	96,338	$6,588,000	—	30 Sep 2020	13F

Institutional Holders of AFFILIATED MANAGERS GROUP, INC. - Common Stock (AMG) as of Q4 2020

As of 31 Dec 2020, AFFILIATED MANAGERS GROUP, INC. - Common Stock (AMG) was held by 284 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 45,205,424 shares. The largest 10 holders included EdgePoint Investment Group Inc., VANGUARD GROUP INC, BlackRock Inc., ATLANTA CAPITAL MANAGEMENT CO L L C, Clarkston Capital Partners, LLC, Kiltearn Partners LLP, SOUTHEASTERN ASSET MANAGEMENT INC/TN/, FMR LLC, STATE STREET CORP, and ACR Alpine Capital Research, LLC. This page lists 284 institutional shareholders reporting positions in this security for the Q4 2020 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q4 2020 vs Q3 2020 Across Filers

Q3 2020 holders

264

Q4 2020 holders

284

Holder diff

Investor	Q3 2020 Shares	Q4 2020 Shares	Share Diff	Share Chg %	Q3 2020 Value $	Q4 2020 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.