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American Tower Corp (AMT)

Sector
Real Estate
Industry
Telecom Tower REITs
Last price
$181.36
As of

Kresmion compiles this page from AMT's SEC filings, its 13F institutional holders and the market events Kresmion detects, each linked to its source.

AMERICAN TOWER CORP /MA/ (AMT): 6 institutional managers tracked by Kresmion reported non-option positions in their 2026Q2 Form 13F filings, and the most recent SEC filing on record for the company is a Form 8-K filed 2026-09-18.

As of . Source: SEC EDGAR filings for AMT. Method and limitations.

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You are seeing 5 of 58 signals recorded on AMT since 2026-05-02.

The five above landed across 3 days. The other 53 were recorded on 6 other days. 45 of the 58 are institutional flow rows, which arrive in batches on filing days.

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Largest reported share positions in AMT (2026Q2)

Manager / securityMarket value% portfolioQoQ
MILLENNIUM MANAGEMENT LLCCUSIP 03027X100 · 2026Q2$358.3M0.13%,
CITADEL ADVISORS LLCCUSIP 03027X100 · 2026Q2$224.3M0.03%,
D. E. Shaw & Co., Inc.CUSIP 03027X100 · 2026Q2$168.2M0.08%,
Point72 Asset Management, L.P.CUSIP 03027X100 · 2026Q2$139.6M0.15%,
TWO SIGMA INVESTMENTS, LPCUSIP 03027X100 · 2026Q2$70.6M0.05%,
Bridgewater Associates, LPCUSIP 03027X100 · 2026Q2$5.9M0.02%,

Quarterly SEC Form 13F disclosures from the managers Kresmion tracks, not a complete ownership ranking. Non-option holdings only; reported put and call positions are excluded. Different securities are labeled by CUSIP. Values are reporting-period snapshots, not current position values. Filings can arrive up to 45 days after quarter-end.

Recent SEC filings, AMT

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