AMT
Amer Tower REIT (AMT)
NYSE
$190.86+$1.07 (+0.56%)
Price as of Nov 13, 2026 12:16 PM EST
  • $88.0B
    Market Cap
  • 9.04%
    1-Year Change
  • REIT - Specialty
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
VANGUARD GROUP INC
13.75%
63.8M
+117,418 (+0.18%)
Dec 31, 2025
BLACKROCK, INC.
9.87%
45.8M
+842,424 (+1.84%)
Jun 30, 2026
BLACKROCK FUNDING, INC. /DE
9.28%
43.0M
+4.1M (+9.56%)
Dec 31, 2024
BLACKROCK INC.
8.22%
38.1M
+1.7M (+4.47%)
Jun 30, 2024
J. STERN & CO. LLP
8.13%
37.7M
+37.6M (+99.65%)
Dec 31, 2025
VANGUARD CAPITAL MANAGEMENT LLC
6.56%
30.4M
+75,391 (+0.25%)
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
6.01%
27.9M
+255,653 (+0.92%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions8.2B (55.56%)
  • Mutual Funds6.6B (44.41%)
  • Insiders4.5M (0.03%)
  • Other0 (0.00%)

Insider Transactions

  • 0.03% (4.5M)
    Current InsiderOwnership (%, shares)
  • 1
    Number of InsiderBuying (last 12 months)
  • $419,704.50
    Amount of InsiderBuying (last 12 months)
  • 6
    Number of InsiderSelling (last 12 months)
  • $188.7M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Font Juan
SVP, Pres. & CEO, CoreSite
Sell
Oct 30, 2026
$112,260.96
592
$189.63
27,810
Dowling Ruth T
EVP, Chief Admin Ofr, GC & Sec
Sell
Oct 29, 2026
$176,891.12
952
$185.81
26,133
Dowling Ruth T
EVP, Chief Admin Ofr, GC & Sec
Sell
Oct 28, 2026
$113,932.00
626
$182.00
27,085
Blanchett Paul
SVP & Chief Accounting Officer
Award
Oct 01, 2026
$0.00
16,299
$0.00
16,299
Dowling Ruth T
EVP, Chief Admin Ofr, GC & Sec
Sell
Jul 29, 2026
$193,505.76
1,106
$174.96
27,711
Meyer Robert Joseph JR
SVP & Advisor to the CFO
Sell
Jul 29, 2026
$894,450.00
5,000
$178.89
21,428
Dowling Ruth T
EVP, Chief Admin Ofr, GC & Sec
Sell
Jul 28, 2026
$116,134.90
685
$169.54
28,817
Rossi Richard C
EVP & President, U.S. Tower
In Kind
Mar 11, 2026
$125,069.40
684
$182.85
17,518
Vondran Steven O
President and CEO
In Kind
Mar 11, 2026
$394,590.30
2,158
$182.85
108,902
Font Juan
SVP, Pres. & CEO, CoreSite
In Kind
Mar 11, 2026
$169,684.80
928
$182.85
28,352
Dowling Ruth T
EVP, Chief Admin Ofr, GC & Sec
In Kind
Mar 11, 2026
$157,799.55
863
$182.85
30,433
Meyer Robert Joseph JR
SVP & Chief Accounting Officer
In Kind
Mar 11, 2026
$125,069.40
684
$182.85
26,439
Frank Kenneth R
Award
Mar 10, 2026
$0.00
1,209
$0.00
6,188
Ray Neville R
Award
Mar 10, 2026
$0.00
1,209
$0.00
2,265
Rossi Richard C
EVP & President, U.S. Tower
Award
Mar 10, 2026
$0.00
6,448
$0.00
19,746
REILLY EUGENE F
Award
Mar 10, 2026
$0.00
1,209
$0.00
6,898
MACNAB CRAIG
Award
Mar 10, 2026
$0.00
1,209
$0.00
15,315
Font Juan
SVP, Pres. & CEO, CoreSite
Award
Mar 10, 2026
$0.00
8,060
$0.00
31,114
Rossi Richard C
EVP & President, U.S. Tower
In Kind
Mar 10, 2026
$287,369.28
1,544
$186.12
18,202
Clarke Teresa Hillary
Award
Mar 10, 2026
$0.00
1,209
$0.00
5,307
Tanner Bruce L
Award
Mar 10, 2026
$0.00
1,209
$0.00
6,940
HORMATS ROBERT D
Award
Mar 10, 2026
$0.00
1,209
$0.00
9,597
Chambliss Kelly C
Award
Mar 10, 2026
$0.00
1,209
$0.00
4,426
Vondran Steven O
President and CEO
Award
Mar 10, 2026
$0.00
20,955
$0.00
126,329
Lieblein Grace
Award
Mar 10, 2026
$0.00
1,209
$0.00
9,141
Font Juan
SVP, Pres. & CEO, CoreSite
In Kind
Mar 10, 2026
$341,344.08
1,834
$186.12
29,280
Kalathur Rajesh
Award
Mar 10, 2026
$0.00
1,209
$0.00
2,265
Vondran Steven O
President and CEO
In Kind
Mar 10, 2026
$2.8M
15,269
$186.12
111,060
Meyer Robert Joseph JR
SVP & Chief Accounting Officer
Award
Mar 10, 2026
$0.00
4,030
$0.00
28,491
Kalathur Rajesh
Buy
Mar 10, 2026
$494,936.30
2,671
$185.30
4,936