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 Q1 2014?

446 institutional investors reported AMG - AFFILIATED MANAGERS GROUP, INC. - Common Stock for Q1 2014. Use the holders table for investor-level position and value details.

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

CUSIP: 008252108

Q1 2014 13F Holders as of 31 Mar 2014

Type / Class: Equity / Common Stock
Shares outstanding: 26,719,538
Total 13F shares: 52,825,053
Share change: +65,608
Total reported value: $10,565,698,089
Put/Call ratio: 58%
Price per share: $200.05
Number of holders: 446
Value change: +$122,385
Number of buys: 204
Number of sells: 206

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: Q2 2014
Previous quarter: Q4 2013

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	11%	2,888,547	$626,469,000	—	31 Dec 2013	13F
WELLS FARGO & COMPANY/MN	13F	Company	8%	2,139,479	$464,010,000	—	31 Dec 2013	13F
BLAIR WILLIAM & CO/IL	13F	Company	7.5%	2,014,337	$436,869,000	—	31 Dec 2013	13F
STATE STREET CORP	13F	Company	6.9%	1,830,663	$397,033,000	—	31 Dec 2013	13F
JPMORGAN CHASE & CO	13F	Company	5.9%	1,564,051	$339,211,000	—	31 Dec 2013	13F
BlackRock Fund Advisors	13F	Company	5.5%	1,478,305	$320,615,000	—	31 Dec 2013	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	5.3%	1,425,715	$309,209,000	—	31 Dec 2013	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	5.1%	1,366,793	$296,430,000	—	31 Dec 2013	13F
ATLANTA CAPITAL MANAGEMENT CO L L C	13F	Company	5.1%	1,356,707	$294,243,000	—	31 Dec 2013	13F
FMR LLC	13F	Company	5.1%	1,350,138	$292,817,000	—	31 Dec 2013	13F
DEUTSCHE BANK AG\	13F	Company	4.3%	1,156,884	$250,898,000	—	31 Dec 2013	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	4.3%	1,139,945	$247,231,000	—	31 Dec 2013	13F
TRAN CAPITAL MANAGEMENT, L.P.	13F	Company	4.1%	1,101,068	$238,800,000	—	31 Dec 2013	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	4%	1,078,679	$233,944,000	—	31 Dec 2013	13F
Invesco Ltd.	13F	Company	4%	1,063,999	$230,759,000	—	31 Dec 2013	13F
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	13F	Company	3.8%	1,021,535	$221,550,511	—	31 Dec 2013	13F
MUNDER CAPITAL MANAGEMENT	13F	Company	3.7%	995,061	$215,808,000	—	31 Dec 2013	13F
CITADEL ADVISORS LLC	13F	Company	3.7%	979,991	$212,540,000	—	31 Dec 2013	13F
MACQUARIE GROUP LTD	13F	Company	3.4%	896,724	$194,481,000	—	31 Dec 2013	13F
Bank of New York Mellon Corp	13F	Company	3.3%	892,573	$193,581,000	—	31 Dec 2013	13F
AMERIPRISE FINANCIAL INC	13F	Company	3.1%	836,898	$181,517,000	—	31 Dec 2013	13F
FRANKLIN RESOURCES INC	13F	Company	2.7%	717,633	$155,639,000	—	31 Dec 2013	13F
LORD, ABBETT & CO. LLC	13F	Company	2.7%	708,593	$153,680,000	—	31 Dec 2013	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	2.6%	705,212	$152,946,000	—	31 Dec 2013	13F
NICHOLAS COMPANY, INC.	13F	Company	2.5%	667,000	$144,658,000	—	31 Dec 2013	13F
BANK OF AMERICA CORP /DE/	13F	Company	2.3%	608,001	$131,863,000	—	31 Dec 2013	13F
RAINIER INVESTMENT MANAGEMENT LLC	13F	Company	2.2%	591,000	$128,174,000	—	31 Dec 2013	13F
NORTHERN TRUST CORP	13F	Company	2.2%	578,974	$125,569,000	—	31 Dec 2013	13F
ROYCE & ASSOCIATES LP	13F	Company	2%	536,226	$116,297,000	—	31 Dec 2013	13F
GENEVA CAPITAL MANAGEMENT LLC	13F	Company	1.6%	420,496	$91,197,000	—	31 Dec 2013	13F
TEACHERS ADVISORS, LLC	13F	Company	1.5%	404,330	$87,691,000	—	31 Dec 2013	13F
NORGES BANK	13F	Company	1.5%	402,708	$87,339,000	—	31 Dec 2013	13F
VOYA INVESTMENT MANAGEMENT LLC	13F	Company	1.5%	398,688	$86,467,000	—	31 Dec 2013	13F
SANDLER CAPITAL MANAGEMENT	13F	Company	1.4%	375,200	$81,373,000	—	31 Dec 2013	13F
TIVERTON ASSET MANAGEMENT LLC	13F	Company	1.4%	375,000	$81,330,000	—	31 Dec 2013	13F
Nationwide Fund Advisors	13F	Company	1.3%	349,054	$75,703,000	—	31 Dec 2013	13F
MANAGED ACCOUNT ADVISORS LLC	13F	Company	1.3%	346,799	$75,214,000	—	31 Dec 2013	13F
OAK RIDGE INVESTMENTS LLC	13F	Company	1.3%	345,089	$74,843,000	—	31 Dec 2013	13F
BlackRock Group LTD	13F	Company	1.3%	337,583	$73,216,000	—	31 Dec 2013	13F
THRIVENT FINANCIAL FOR LUTHERANS	13F	Company	1.3%	334,520	$72,550,000	—	31 Dec 2013	13F
CORTLAND ADVISERS LLC	13F	Company	1.1%	300,000	$65,064,000	—	31 Dec 2013	13F
KALMAR INVESTMENTS INC /DE/	13F	Company	1.1%	293,435	$63,640,000	—	31 Dec 2013	13F
1832 Asset Management L.P.	13F	Company	0.98%	262,500	$56,935,000	—	31 Dec 2013	13F
TURNER INVESTMENTS LLC	13F	Company	0.98%	261,851	$56,791,000	—	31 Dec 2013	13F
Legal & General Group Plc	13F	Company	0.97%	259,903	$56,312,000	—	31 Dec 2013	13F
VICTORY CAPITAL MANAGEMENT INC	13F	Company	0.91%	244,295	$52,982,000	—	31 Dec 2013	13F
CREDIT SUISSE AG/	13F	Company	0.91%	242,921	$52,685,000	—	31 Dec 2013	13F
WADDELL & REED FINANCIAL INC	13F	Company	0.91%	242,000	$52,485,000	—	31 Dec 2013	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.89%	238,864	$51,797,000	—	31 Dec 2013	13F
PGGM Investments	13F	Individual	0.86%	229,955	$49,873,000	—	31 Dec 2013	13F

Institutional Holders of AFFILIATED MANAGERS GROUP, INC. - Common Stock (AMG) as of Q1 2014

As of 31 Mar 2014, AFFILIATED MANAGERS GROUP, INC. - Common Stock (AMG) was held by 446 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 52,825,053 shares. The largest 10 holders included VANGUARD GROUP INC, BLAIR WILLIAM & CO/IL, WELLS FARGO & COMPANY/MN, State Street Corp, JPMORGAN CHASE & CO, Citadel Advisors LLC, BlackRock Institutional Trust Company, N.A., FMR LLC, BlackRock Fund Advisors, and ATLANTA CAPITAL MANAGEMENT CO L L C. This page lists 446 institutional shareholders reporting positions in this security for the Q1 2014 filing period.

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

Compare Q1 2014 vs Q4 2013 Across Filers

Q4 2013 holders

444

Q1 2014 holders

446

Holder diff

Investor	Q4 2013 Shares	Q1 2014 Shares	Share Diff	Share Chg %	Q4 2013 Value $	Q1 2014 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.