Security key
03027X100
AMERICAN TOWER CORP /MA/ - Common Stock (AMT)
CUSIP: 03027X100
Q1 2021 13F Holders as of 31 Mar 2021
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 400,701,540
- Total 13F value
- $95,714,148,639
- Share change
- -1,539,095
- Put/Call ratio
- 90%
- SEC-reported price per share
- $239.06
- Number of holders
- 1,596
- Value change
- -$304,022,013
- Number of buys
- 862
- Number of sells
- 639
- Shares outstanding
- 466,215,331
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2021
Institutions
1,596
Top holders
10
AMT full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2021
Previous quarter: Q4 2020
AMERICAN TOWER CORP /MA/ SEC filings
AMERICAN TOWER CORP /MA/ company facts
AMERICAN TOWER CORP /MA/ 13D/G history
Broader feeds
Reporting periods
Holder history for CUSIP 03027X100
Recent filing periods:
Ownership snapshot
Top reported holders of AMT - AMERICAN TOWER CORP /MA/ - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
VANGUARD GROUP INC
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
15/15
Latest evidence
31 Dec 2020
13F
Lead comparable stake: 12%
Showing 1-6 of 15 holder rows.
Quick read
VANGUARD GROUP INC leads the comparable SEC ownership view at 12%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens VANGUARD GROUP INC's linked filing trail.
Comparable ownership
Top 5
VANGUARD GROUP INC
12%
BlackRock Finance, Inc.
7.4%
STATE STREET CORP
3.7%
WELLINGTON MANAGEMENT GROUP LLP
2.5%
FMR LLC
2.1%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| VANGUARD GROUP INC |
13F
Company
|
12%
|
$12,597,744,000
56,124,669 shares
|
— | 31 Dec 2020 |
| BlackRock Finance, Inc. |
13F
Company
|
7.4%
|
$7,709,879,000
34,348,573 shares
|
— | 31 Dec 2020 |
| STATE STREET CORP |
13F
Company
|
3.7%
|
$3,897,055,000
17,269,884 shares
|
— | 31 Dec 2020 |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
Company
|
2.5%
|
$2,577,115,000
11,481,401 shares
|
— | 31 Dec 2020 |
| FMR LLC |
13F
Company
|
2.1%
|
$2,205,830,000
9,827,273 shares
|
— | 31 Dec 2020 |
| EDGEWOOD MANAGEMENT LLC |
13F
Company
|
2%
|
$2,139,191,000
9,530,389 shares
|
— | 31 Dec 2020 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
1,596
Shares
400,701,540
Rows available
1,596
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2021 vs Q4 2020 Across Filers
Q4 2020 holders
1,571
Q1 2021 holders
1,596
Holder diff
25
| Investor | Q4 2020 Shares | Q1 2021 Shares | Share Diff | Share Chg % | Q4 2020 value | Q1 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend