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 Q3 2018?

475 institutional investors reported AMG - AFFILIATED MANAGERS GROUP, INC. - Common Stock for Q3 2018. Use the holders table for investor-level position and value details.

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

CUSIP: 008252108

Q3 2018 13F Holders as of 30 Sep 2018

Type / Class: Equity / Common Stock
Shares outstanding: 26,701,627
Total 13F shares: 49,151,455
Share change: -1,322,742
Total reported value: $6,714,493,562
Put/Call ratio: 193%
Price per share: $136.72
Number of holders: 475
Value change: -$191,621,615
Number of buys: 212
Number of sells: 246

Quarterly Holders Quick Answers

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

Need full ownership history?
Open the full security ownership history page.

Next holder-history checks

These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.

Back to full security ownership history for the broader multi-quarter picture.
Latest 13F filings for newly reported positions across managers.
Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q4 2018
Previous quarter: Q2 2018

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
VANGUARD GROUP INC	13F	Company	21%	5,583,287	$830,067,000	—	30 Jun 2018	13F
BlackRock Finance, Inc.	13F	Company	13%	3,595,257	$534,507,000	—	30 Jun 2018	13F
EdgePoint Investment Group Inc.	13F	Company	11%	2,906,740	$432,145,000	—	30 Jun 2018	13F
STATE STREET CORP	13F	Company	9.8%	2,618,805	$389,332,000	—	30 Jun 2018	13F
MANUFACTURERS LIFE INSURANCE COMPANY, THE	13F	Company	8.7%	2,326,269	$345,847,000	—	30 Jun 2018	13F
ATLANTA CAPITAL MANAGEMENT CO L L C	13F	Company	7.6%	2,042,234	$303,619,000	—	30 Jun 2018	13F
GOLDMAN SACHS GROUP INC	13F	Company	5.1%	1,370,285	$203,721,000	—	30 Jun 2018	13F
LYRICAL ASSET MANAGEMENT LP	13F	Company	4.7%	1,259,073	$187,186,000	—	30 Jun 2018	13F
BANK OF AMERICA CORP /DE/	13F	Company	4.5%	1,206,717	$179,403,000	—	30 Jun 2018	13F
Invesco Ltd.	13F	Company	3.7%	977,062	$145,260,000	—	30 Jun 2018	13F
CITADEL ADVISORS LLC	13F	Company	3.6%	958,762	$142,539,000	—	30 Jun 2018	13F
SCHRODER INVESTMENT MANAGEMENT GROUP	13F	Company	3.3%	885,458	$134,085,000	—	30 Jun 2018	13F
Sterling Capital Management LLC	13F	Company	3%	802,258	$119,272,000	—	30 Jun 2018	13F
JENNISON ASSOCIATES LLC	13F	Company	2.8%	739,864	$109,996,000	—	30 Jun 2018	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	2.4%	631,075	$93,625,000	—	30 Jun 2018	13F
Clearbridge Investments, LLC	13F	Company	2.4%	629,691	$93,616,000	—	30 Jun 2018	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	2.3%	624,892	$92,903,000	—	30 Jun 2018	13F
FMR LLC	13F	Company	2.2%	587,003	$87,269,000	—	30 Jun 2018	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	2.2%	584,135	$86,844,000	—	30 Jun 2018	13F
NORTHERN TRUST CORP	13F	Company	2.1%	569,467	$84,661,000	—	30 Jun 2018	13F
WELLS FARGO & COMPANY/MN	13F	Company	2.1%	567,248	$84,333,000	—	30 Jun 2018	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	2%	547,002	$81,323,000	—	30 Jun 2018	13F
Bank of New York Mellon Corp	13F	Company	1.9%	514,958	$76,559,000	—	30 Jun 2018	13F
JANUS HENDERSON GROUP PLC	13F	Company	1.7%	461,065	$68,548,000	—	30 Jun 2018	13F
Jackson Square Partners, LLC	13F	Company	1.7%	453,116	$67,364,000	—	30 Jun 2018	13F
DEUTSCHE BANK AG\	13F	Company	1.6%	417,329	$62,044,000	—	30 Jun 2018	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	1.6%	415,600	$61,787,000	—	30 Jun 2018	13F
VICTORY CAPITAL MANAGEMENT INC	13F	Company	1.6%	413,950	$61,542,000	—	30 Jun 2018	13F
Ceredex Value Advisors LLC	13F	Company	1.5%	407,825	$60,631,000	—	30 Jun 2018	13F
CANADA PENSION PLAN INVESTMENT BOARD	13F	Company	1.3%	360,321	$53,569,000	—	30 Jun 2018	13F
NORGES BANK	13F	Company	1.3%	359,003	$53,372,000	—	30 Jun 2018	13F
NICHOLAS COMPANY, INC.	13F	Company	1.3%	357,965	$53,218,000	—	30 Jun 2018	13F
AMUNDI ASSET MANAGEMENT US, INC.	13F	Company	1.3%	350,666	$52,133,000	—	30 Jun 2018	13F
BLAIR WILLIAM & CO/IL	13F	Company	1.3%	341,985	$50,843,000	—	30 Jun 2018	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	1.3%	340,348	$50,600,000	—	30 Jun 2018	13F
FEDERATED HERMES, INC.	13F	Company	1.1%	305,020	$45,347,000	—	30 Jun 2018	13F
JPMORGAN CHASE & CO	13F	Company	1.1%	304,714	$45,303,000	—	30 Jun 2018	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	1.1%	296,626	$44,106,000	—	30 Jun 2018	13F
SIRIOS CAPITAL MANAGEMENT L P	13F	Company	1.1%	288,485	$42,890,000	—	30 Jun 2018	13F
Jupiter Investment Management Ltd	13F	Company	1.1%	280,975	$41,772,000	—	30 Jun 2018	13F
APG Asset Management N.V.	13F	Company	1.2%	314,909	$40,099,000	—	30 Jun 2018	13F
Legal & General Group Plc	13F	Company	0.93%	248,460	$36,939,000	—	30 Jun 2018	13F
BRUNI J V & CO /CO	13F	Company	0.87%	231,604	$34,433,000	—	30 Jun 2018	13F
1832 Asset Management L.P.	13F	Company	0.83%	220,300	$32,692,000	—	30 Jun 2018	13F
Baird Financial Group, Inc.	13F	Company	0.8%	214,809	$31,936,000	—	30 Jun 2018	13F
Calamos Advisors LLC	13F	Company	0.78%	209,528	$31,151,000	—	30 Jun 2018	13F
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	13F	Company	0.76%	204,161	$30,353,000	—	30 Jun 2018	13F
State of New Jersey Common Pension Fund D	13F	Company	0.76%	202,000	$30,031,000	—	30 Jun 2018	13F
Man Group plc	13F	Company	0.75%	201,250	$29,920,000	—	30 Jun 2018	13F
Polar Capital LLP	13F	Company	0.74%	198,654	$29,534,000	—	30 Jun 2018	13F

Institutional Holders of AFFILIATED MANAGERS GROUP, INC. - Common Stock (AMG) as of Q3 2018

As of 30 Sep 2018, AFFILIATED MANAGERS GROUP, INC. - Common Stock (AMG) was held by 475 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 49,151,455 shares. The largest 10 holders included Vanguard Group Inc, BlackRock Inc., EdgePoint Investment Group Inc., STATE STREET CORP, ATLANTA CAPITAL MANAGEMENT CO L L C, CITADEL ADVISORS LLC, LYRICAL ASSET MANAGEMENT LP, SOUTHEASTERN ASSET MANAGEMENT INC/TN/, GOLDMAN SACHS GROUP INC, and Invesco Ltd.. This page lists 476 institutional shareholders reporting positions in this security for the Q3 2018 filing period.

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

Compare Q3 2018 vs Q2 2018 Across Filers

Q2 2018 holders

493

Q3 2018 holders

475

Holder diff

-18

Investor	Q2 2018 Shares	Q3 2018 Shares	Share Diff	Share Chg %	Q2 2018 Value $	Q3 2018 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.