Sigma Planning Corp

Position in AMT — American Tower Corp /Ma/

CIK 1449126 ANN ARBOR, MI

Position in AMT

as of Jun 30, 2026 · filed Aug 7, 2026 Compact

Position Value

$398,292

+$4,983 QoQ

Shares Held

2,435

+6.8% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

#1,101

of 1,735 holders

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 0% Shared 0% None 100%

Real Estate · as of Jun 30, 2026

Sigma Planning Corp holds $2,370,333 across 6 REIT - Specialty names. AMT ranks #3 (16.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	EQIX	Equinix Inc	693	$722,376
2	DLR	Digital Realty Trust, Inc.	2,596	$466,189
3	AMT	American Tower Corp /Ma/ This page	2,435	$398,292
4	IRM	Iron Mountain Inc	2,468	$311,733
5	WY	Weyerhaeuser Co	12,138	$290,583
6	LAND	GLADSTONE LAND Corp	21,238	$181,160

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$398,292	2,435	+6.8%	Shares	Sole	2026-08-07
2026-03-31	$393,309	2,279	-6.7%	Shares	Sole	2026-05-04
2025-12-31	$428,917	2,443	-9.0%	Shares	Sole	2026-01-30
2025-09-30	$516,379	2,685	-11.2%	Shares	Sole	2025-11-10
2025-06-30	$668,364	3,024	-35.7%	Shares	Sole	2025-08-05
2025-03-31	$1,024,025	4,706	-36.1%	Shares	Sole	2025-05-02
2024-12-31	$1,350,447	7,363	+7.5%	Shares	Sole	2025-02-03
2024-09-30	$1,592,803	6,849	+8.6%	Shares	Sole	2024-11-04
2024-06-30	$1,225,954	6,307	-4.5%	Shares	Sole	2024-08-06
2024-03-31	$1,305,477	6,607	+95.4%	Shares	Sole	2024-05-02
2023-12-31	$729,890	3,381	-55.8%	Shares	Sole	2024-02-01
2023-09-30	$1,258,864	7,655	-24.6%	Shares	Sole	2023-11-06
2023-06-30	$1,968,297	10,149	-2.9%	Shares	Sole	2023-08-02
2023-03-31	$2,135,148	10,449	+13.2%	Shares	Sole	2023-05-08
2022-12-31	$1,955,044	9,228	+2.5%	Shares	Sole	2023-01-24
2022-09-30	$1,933,588	9,006	+4.1%	Shares	Sole	2022-11-10
2022-06-30	$2,211,620	8,653	-10.3%	Shares	Sole	2022-08-11
2022-03-31	$2,422,514	9,643	+7.5%	Shares	Sole	2022-04-20
2021-09-30	$2,380,993	8,971	-2.2%	Shares	Sole	2021-10-28
2021-06-30	$2,477,453	9,171	+5.8%	Shares	Sole	2021-08-13
2021-03-31	$2,072,889	8,671	-19.4%	Shares	Sole	2021-05-06
2020-12-31	$2,414,516	10,757	+3.1%	Shares	Sole	2021-02-09
2020-09-30	$2,521,485	10,431	+0.0%	Shares	Sole	2020-11-03
2020-06-30	$2,695,796	10,427	+26.4%	Shares	Sole	2020-07-31
2020-03-31	$1,796,655	8,251	—	Shares	Sole	2020-05-01
No filing history on record for this holder in this stock.