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American Tower

1,788 hedge funds and large institutions have $82.4B invested in American Tower in 2025 Q3 according to their latest regulatory filings, with 131 funds opening new positions, 642 increasing their positions, 751 reducing their positions, and 155 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

less ownership

Funds ownership:

less funds holding

Funds holding:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

15% less capital invested

Capital invested by funds: $96.5B → $82.4B (-$14.1B)

15% less first-time investments, than exits

New positions opened: 131 | Existing positions closed: 155

35% less funds holding in top 10

Funds holding in top 10: 3422 (-12)

Holders
1,788
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
22
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$641M
Puts
$330M
Net Calls
Net Calls Change

Top Buyers

1 +$886M
2 +$565M
3 +$331M
4
Morgan Stanley
Morgan Stanley
New York
+$174M
5
Barclays
Barclays
United Kingdom
+$155M
Name Holding Trade Value Shares
Change
Change in
Stake
OAM
576
Ostrum Asset Management
France
$3.57M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
577
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$3.57M
WBC
578
Westpac Banking Corp
Australia
$3.56M
Assenagon Asset Management
579
Assenagon Asset Management
Luxembourg
$3.53M
Caisse de Depot et Placement du Quebec (CDPQ)
580
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$3.52M
DIA
581
Dean Investment Associates
Ohio
$3.51M
PS
582
Presima Securities
Quebec, Canada
$3.5M
AMI
583
Amica Mutual Insurance
Rhode Island
$3.47M
VPI
584
Value Partners Investments
Manitoba, Canada
$3.44M
CFO
585
Callan Family Office
Pennsylvania
$3.41M
PMG
586
ProVise Management Group
Florida
$3.41M
TCWA
587
Turtle Creek Wealth Advisors
Texas
$3.39M
NAMP
588
NorthStar Asset Management (Pennsylvania)
Pennsylvania
$3.38M
IIM
589
Intact Investment Management
Quebec, Canada
$3.37M
NI
590
Natural Investments
California
$3.34M
PCTC
591
Perkins Coie Trust Company
Washington
$3.32M
CCA
592
Carrera Capital Advisors
Michigan
$3.31M
OAC
593
OMERS Administration Corp
Ontario, Canada
$3.3M
CB
594
Commerce Bank
Missouri
$3.29M
CAM
595
Cresset Asset Management
Illinois
$3.27M
JC
596
JB Capital
Connecticut
$3.26M
MFIM
597
Mesirow Financial Investment Management
Illinois
$3.25M
KA
598
Kintegral Advisory
New York
$3.25M
AIMA
599
Ables Iannone Moore & Associates
Georgia
$3.24M
IA
600
IFG Advisory
Georgia
$3.22M