GRANDFIELD & DODD, LLC

Position in AMT — American Tower Corp /Ma/

CIK 1308016 NEW YORK, NY

Position in AMT

as of Mar 31, 2026 · filed May 7, 2026 Compact

Position Value

$310,989

-$5,388 QoQ

Shares Held

1,802

0.0% QoQ

Ownership

0.000%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

24 quarters on record

Voting authority Sole 84.07325194228635.ToString("F0")% Shared 0.ToString("F0")% None 15.926748057713652.ToString("F0")%

Real Estate · as of Mar 31, 2026

GRANDFIELD & DODD, LLC holds $16,089,948 across 3 REIT - Specialty names. AMT ranks #2 (1.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	WY	Weyerhaeuser Co	635,372	$15,522,137
2	AMT	American Tower Corp /Ma/ This page	1,802	$310,989
3	EQIX	Equinix Inc	262	$256,822

24 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$310,989	1,802	0.0%	Shares	Sole	2026-05-07
2025-12-31	$316,377	1,802	0.0%	Shares	Sole	2026-02-10
2025-09-30	$346,560	1,802	-0.1%	Shares	Sole	2025-10-30
2025-06-30	$398,499	1,803	+3.4%	Shares	Sole	2025-08-08
2025-03-31	$379,276	1,743	0.0%	Shares	Sole	2025-05-02
2024-12-31	$319,683	1,743	-4.8%	Shares	Sole	2025-02-06
2024-09-30	$425,817	1,831	0.0%	Shares	Sole	2024-11-08
2024-06-30	$355,909	1,831	-0.5%	Shares	Sole	2024-08-09
2024-03-31	$363,763	1,841	+0.5%	Shares	Sole	2024-05-06
2023-12-31	$395,276	1,831	-6.5%	Shares	Sole	2024-01-31
2023-09-30	$322,157	1,959	-0.9%	Shares	Sole	2023-10-26
2023-06-30	$383,419	1,977	+0.1%	Shares	Sole	2023-08-08
2023-03-31	$403,571	1,975	0.0%	Shares	Sole	2023-04-28
2022-12-31	$418,423	1,975	-2.4%	Shares	Sole	2023-01-20
2022-09-30	$434,552	2,024	0.0%	Shares	Sole	2022-11-04
2022-06-30	$517,314	2,024	0.0%	Shares	Sole	2022-08-01
2022-03-31	$508,469	2,024	+12.5%	Shares	Sole	2022-04-19
2021-09-30	$477,472	1,799	+15.5%	Shares	Sole	2021-10-28
2021-06-30	$420,878	1,558	+0.1%	Shares	Sole	2021-07-28
2021-03-31	$372,216	1,557	0.0%	Shares	Sole	2021-04-22
2020-12-31	$349,484	1,557	0.0%	Shares	Sole	2021-01-29
2020-09-30	$376,373	1,557	-0.3%	Shares	Sole	2020-11-03
2020-06-30	$403,580	1,561	-1.3%	Shares	Sole	2020-07-24
2020-03-31	$344,480	1,582	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.