What does CUSIP 03027X100 represent in this 13F holders report?

CUSIP 03027X100 is the security identifier for AMT - AMERICAN TOWER CORP /MA/ - Common Stock used to aggregate holder disclosures.

How many institutions held AMT - AMERICAN TOWER CORP /MA/ - Common Stock in Q3 2015?

707 institutional investors reported AMT - AMERICAN TOWER CORP /MA/ - Common Stock for Q3 2015. Use the holders table for investor-level position and value details.

- Common Stock (AMT)

CUSIP: 03027X100

Q3 2015 13F Holders as of 30 Sep 2015

Type / Class: Equity / Common Stock
Shares outstanding: 466,215,331
Total 13F shares: 400,963,900
Share change: +7,195,163
Total reported value: $35,292,671,836
Put/Call ratio: 32%
Price per share: $87.98
Number of holders: 707
Value change: +$619,697,160
Number of buys: 318
Number of sells: 318

Quarterly Holders Quick Answers

What is CUSIP 03027X100?
CUSIP 03027X100 identifies AMT - AMERICAN TOWER CORP /MA/ - Common Stock in SEC institutional holdings data.

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Newer quarter: Q4 2015
Previous quarter: Q2 2015

Recent filing periods for CUSIP 03027X100:

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

Top shareholders of AMT - AMERICAN TOWER CORP /MA/ - 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
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	7.1%	32,951,010	$3,074,000,000	—	30 Jun 2015	13F
VANGUARD GROUP INC	13F	Company	5%	23,531,494	$2,195,253,000	—	30 Jun 2015	13F
STATE STREET CORP	13F	Company	3.7%	17,368,115	$1,620,268,000	—	30 Jun 2015	13F
FMR LLC	13F	Company	3%	13,867,356	$1,293,685,000	—	30 Jun 2015	13F
DEUTSCHE BANK AG\	13F	Company	2.5%	11,585,722	$1,080,825,000	—	30 Jun 2015	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	2.3%	10,902,320	$1,017,077,000	—	30 Jun 2015	13F
Capital World Investors	13F	Company	2.2%	10,060,338	$938,529,000	—	30 Jun 2015	13F
GOLDMAN SACHS GROUP INC	13F	Company	2%	9,221,766	$860,298,000	—	30 Jun 2015	13F
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	13F	Company	1.9%	9,043,832	$843,699,088	—	30 Jun 2015	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	1.8%	8,533,251	$796,066,000	—	30 Jun 2015	13F
JENNISON ASSOCIATES LLC	13F	Company	1.7%	7,869,966	$734,189,000	—	30 Jun 2015	13F
Invesco Ltd.	13F	Company	1.6%	7,278,866	$679,046,000	—	30 Jun 2015	13F
BlackRock Fund Advisors	13F	Company	1.5%	7,207,845	$672,420,000	—	30 Jun 2015	13F
NORTHERN TRUST CORP	13F	Company	1.4%	6,414,101	$598,371,000	—	30 Jun 2015	13F
Winslow Capital Management, LLC	13F	Company	1.2%	5,703,176	$532,050,000	—	30 Jun 2015	13F
EDGEWOOD MANAGEMENT LLC	13F	Company	1.2%	5,416,949	$505,347,000	—	30 Jun 2015	13F
AKRE CAPITAL MANAGEMENT LLC	13F	Company	1.1%	5,274,014	$492,013,000	—	30 Jun 2015	13F
Clearbridge Investments, LLC	13F	Company	1%	4,769,603	$444,956,000	—	30 Jun 2015	13F
JANUS HENDERSON INVESTORS US LLC	13F	Company	1%	4,690,126	$437,501,000	—	30 Jun 2015	13F
Bank of New York Mellon Corp	13F	Company	1%	4,689,408	$437,475,000	—	30 Jun 2015	13F
BROOKFIELD Corp /ON/	13F	Company	0.96%	4,464,272	$416,472,000	—	30 Jun 2015	13F
JPMORGAN CHASE & CO	13F	Company	0.95%	4,430,958	$413,365,000	—	30 Jun 2015	13F
abrdn Investment Management Ltd	13F	Company	0.92%	4,294,057	$400,635,000	—	30 Jun 2015	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.92%	4,276,417	$398,948,000	—	30 Jun 2015	13F
Senator Investment Group LP	13F	Company	0.87%	4,050,000	$377,824,000	—	30 Jun 2015	13F
ClearBridge Investments Ltd	13F	Company	0.66%	3,071,057	$359,080,000	—	30 Jun 2015	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.79%	3,670,023	$342,377,000	—	30 Jun 2015	13F
Neuberger Berman Group LLC	13F	Company	0.77%	3,611,926	$336,957,000	—	30 Jun 2015	13F
WADDELL & REED FINANCIAL INC	13F	Company	0.77%	3,577,792	$333,773,000	—	30 Jun 2015	13F
LASALLE INVESTMENT MANAGEMENT SECURITIES LLC	13F	Company	0.74%	3,437,443	$320,679,000	—	30 Jun 2015	13F
BlackRock Group LTD	13F	Company	0.72%	3,339,074	$311,503,000	—	30 Jun 2015	13F
Shinko Asset Management Co., Ltd.	13F	Company	0.69%	3,238,124	$302,085,000	—	30 Jun 2015	13F
Meritage Group LP	13F	Company	0.69%	3,197,847	$298,327,000	—	30 Jun 2015	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.68%	3,192,422	$297,210,000	—	30 Jun 2015	13F
GENERAL ELECTRIC CO	13F	Company	0.68%	3,181,048	$296,760,000	—	30 Jun 2015	13F
MORGAN STANLEY	13F	Company	0.64%	2,999,214	$279,798,000	—	30 Jun 2015	13F
Findlay Park Partners LLP	13F	Company	0.64%	2,986,030	$278,567,000	—	30 Jun 2015	13F
TCW GROUP INC	13F	Company	0.63%	2,960,414	$276,176,000	—	30 Jun 2015	13F
MANAGED ACCOUNT ADVISORS LLC	13F	Company	0.62%	2,905,865	$271,088,000	—	30 Jun 2015	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	0.61%	2,851,218	$265,990,000	—	30 Jun 2015	13F
COATUE MANAGEMENT LLC	13F	Company	0.56%	2,628,969	$245,257,000	—	30 Jun 2015	13F
FRANKLIN RESOURCES INC	13F	Company	0.54%	2,507,453	$233,920,000	—	30 Jun 2015	13F
CITADEL ADVISORS LLC	13F	Company	0.48%	2,228,690	$207,914,000	—	30 Jun 2015	13F
Legal & General Group Plc	13F	Company	0.46%	2,166,720	$202,140,000	—	30 Jun 2015	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.46%	2,142,034	$199,830,000	—	30 Jun 2015	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.44%	2,070,619	$193,168,000	—	30 Jun 2015	13F
CORTLAND ADVISERS LLC	13F	Company	0.43%	2,000,000	$186,580,000	—	30 Jun 2015	13F
MANUFACTURERS LIFE INSURANCE COMPANY, THE	13F	Company	0.42%	1,949,587	$181,876,000	—	30 Jun 2015	13F
CAPITAL GUARDIAN TRUST CO	13F	Company	0.4%	1,861,344	$173,645,000	—	30 Jun 2015	13F
VONTOBEL ASSET MANAGEMENT INC	13F	Company	0.37%	1,735,011	$169,585,000	—	30 Jun 2015	13F

Institutional Holders of AMERICAN TOWER CORP /MA/ - Common Stock (AMT) as of Q3 2015

As of 30 Sep 2015, AMERICAN TOWER CORP /MA/ - Common Stock (AMT) was held by 707 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 400,963,900 shares. The largest 10 holders included PRICE T ROWE ASSOCIATES INC /MD/, VANGUARD GROUP INC, STATE STREET CORP, FMR LLC, BlackRock Institutional Trust Company, N.A., WELLINGTON MANAGEMENT GROUP LLP, Capital World Investors, GOLDMAN SACHS GROUP INC, MASSACHUSETTS FINANCIAL SERVICES CO /MA/, and DEUTSCHE BANK AG\. This page lists 707 institutional shareholders reporting positions in this security for the Q3 2015 filing period.

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

Compare Q3 2015 vs Q2 2015 Across Filers

Q2 2015 holders

703

Q3 2015 holders

707

Holder diff

Investor	Q2 2015 Shares	Q3 2015 Shares	Share Diff	Share Chg %	Q2 2015 Value $	Q3 2015 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.