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Equibles

SIMPLEX TRADING, LLC

Position in AMT — American Tower Corp /Ma/

CIK 1488542 CHICAGO, IL
Back to AMT Full portfolio

Position in AMT

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$5,829,471
+$1,772,461 QoQ
Shares Held
35,639
+51.6% QoQ
Ownership
0.008%
of shares outstanding
% of Portfolio
0.19%
of 13F equity value
Holder Rank
#459
of 1,743 holders
Holding Since
Mar 2020
17 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in AMT Over Time

Shares Held

Position Value (USD)

Position in REIT - Specialty

Real Estate · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $13,243,278 across 13 REIT - Specialty names. AMT ranks #1 (44.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 AMT
American Tower Corp /Ma/
This page 		35,639 $5,829,471
2 FRMI
Fermi Inc.
 252,611 $2,313,916
3 CCI
Crown Castle Inc.
 25,461 $1,928,161
4 RYN
Rayonier Inc
 34,603 $736,351
5 UNIT
Uniti Group Inc.
 56,421 $647,148
6 DLR
Digital Realty Trust, Inc.
 3,068 $550,951
7 EQIX
Equinix Inc
 520 $542,042
8 GLPI
Gaming & Leisure Properties, Inc.
 5,721 $254,756

All Filings in AMT

Export CSV
17 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $5,829,471 35,639
2026-03-31 $4,057,010 23,508
2025-12-31 $2,586,497 14,732
2025-09-30 $1,863,196 9,688
2024-12-31 $1,553,666 8,471
2024-06-30 $4,339,533 22,325
2024-03-31 $15,338,516 77,628
2023-12-31 $11,989,327 55,537
2023-09-30 $11,175,035 67,954
2022-09-30 $2,662,709 12,402
2021-09-30 $8,800,730 33,159
2021-06-30 $8,891,658 32,915
2021-03-31 $5,923,667 24,779
2020-12-31 $3,791,578 16,892
2020-09-30 $638,650 2,642
2020-06-30 $16,805 65
2020-03-31 $14,153 65