AMERICAN TOWER CORP NEW

CUSIP: 03027x100 Class: CS

Holders for Q4 2025 Position Changes for Q4 2025

Note: Option positions (PUT/CALL) are excluded.

New Positions (1)

BBR PARTNERS, LLC

Value ($000) $271 Shares 1,541

Institution	Shares	Value ($000)
BBR PARTNERS, LLC	1,541	$271

Increased Positions (3)

Douglass Winthrop Advisors, LLC

Value ($000) $89,345 (+0.2%) Shares 508,885 (+9.7%)

JOHN G ULLMAN & ASSOCIATES INC

Value ($000) $10,748 (-1.5%) Shares 61,218 (+7.9%)

GLOBALT Investments LLC / GA

Value ($000) $1,125 (-6.0%) Shares 6,410 (+3.0%)

Institution	Prev Shares	Curr Shares	Change
Douglass Winthrop Advisors, LLC	463,703	508,885	+45,182 (+9.7%)
JOHN G ULLMAN & ASSOCIATES INC	56,718	61,218	+4,500 (+7.9%)
GLOBALT Investments LLC / GA	6,222	6,410	+188 (+3.0%)

Decreased Positions (5)

DEAN INVESTMENT ASSOCIATES, LLC

Value ($000) $2,523 (-28.2%) Shares 14,373 (-21.3%)

DF DENT & CO INC

Value ($000) $28,099 (-16.8%) Shares 160,045 (-8.9%)

NORTHSTAR ASSET MANAGEMENT LLC

Value ($000) $2,995 (-11.3%) Shares 17,057 (-2.8%)

Value ($000) $493 (-31.0%) Shares 2,805 (-24.4%)

BAHL & GAYNOR INC

Value ($000) $236 (-33.5%) Shares 1,342 (-27.1%)

Institution	Prev Shares	Curr Shares	Change
DEAN INVESTMENT ASSOCIATES, LLC	18,269	14,373	-3,896 (-21.3%)
DF DENT & CO INC	175,663	160,045	-15,618 (-8.9%)
NORTHSTAR ASSET MANAGEMENT LLC	17,557	17,057	-500 (-2.8%)
SVB WEALTH LLC	3,710	2,805	-905 (-24.4%)
BAHL & GAYNOR INC	1,842	1,342	-500 (-27.1%)

Exited Positions (4)

BERNZOTT CAPITAL ADVISORS

Value ($000) $6,763 Shares 35,163

Legato Capital Management LLC

Value ($000) $2,750 Shares 14,300

New England Research & Management, Inc.

Value ($000) $606 Shares 3,150

FORBES J M & CO LLP

Value ($000) $217 Shares 1,128

Institution	Prev Shares	Prev Value ($000)
BERNZOTT CAPITAL ADVISORS	35,163	$6,763
Legato Capital Management LLC	14,300	$2,750
New England Research & Management, Inc.	3,150	$606
FORBES J M & CO LLP	1,128	$217