AMT — AMERICAN TOWER CORP NEW
Real Estate · REIT - Specialty
InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.
Sourced from SEC EDGAR public filings
Why are billionaires buying AMT?
Built from public SEC filings and public economic data. Not a recommendation.
Why? — Evidence & Confidence ▾
Of 4 tracked investors who changed their AMT position last quarter, 2 bought and 2 sold (50% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 48/100 in a Overheat regime). 0 congressional purchases, 3 sales disclosed in the last 6 months.
- +2 tracked investors added or increased positions last quarter (Izzy Englander, Ken Griffin)
- +4 tracked investors reported holding AMT at their latest filing
- −2 tracked investors reduced or exited last quarter (2 reduced, 0 sold out)
- −Congressional disclosures lean toward selling (3 sales vs 0 purchases, 6 months)
- −13F data is disclosed up to 45 days after quarter end — positions may have changed since
- · 13F disclosure lag (up to 45 days)
- · Tracked investors are a sample, not the whole market
- · Sector regime fit is a historical average, not a guarantee
Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 9/18/2026.
About AMERICAN TOWER CORP NEW (AMT)
AMERICAN TOWER CORP NEW (AMT) appears in the most recent 13F filings of 4 tracked institutional investors. AMERICAN TOWER CORP NEW is classified in the Real Estate sector (REIT - Specialty industry). The largest disclosed position is held by Andreas Halvorsen (Viking Global Investors), valued at $618M. Across recent filings, tracked investors recorded 7 new positions, 19 increased, 14 reduced, and 3 exited. All data sourced from SEC 13F filings.
Based on recent institutional activity in AMT
How many top investors track AMT
A small number of top investors own this.
AMT Ownership Composition
How AMERICAN TOWER CORP NEW is held across tracked investor types, based on reported 13F positions.
- Multi-Strategy / Quant99.3%
- Macro0.7%
Tracked investors currently reporting AMT
2 tracked investors have since exited this position — listed separately below.
- Ken GriffinJun 30, 2026Citadel AdvisorsShares2MValue$324.7M% Portfolio0.04%
- Izzy EnglanderJun 30, 2026Millennium ManagementShares2.2MValue$366.1M% Portfolio0.13%
- Steve CohenJun 30, 2026Point72 Asset ManagementShares856.4KValue$140.1M% Portfolio0.15%
- Ray DalioJun 30, 2026Bridgewater AssociatesShares35.9KValue$5.9M% Portfolio0.02%
Previously held AMT
These investors reported AMT in an earlier quarter but not in their most recent 13F. Figures below are their last reported position, not a current holding.
| Investor | Firm | Last reported shares | Value then | Last held |
|---|---|---|---|---|
| Andreas Halvorsen | Viking Global Investors | 2.8M | $618.2M | Jun 30, 2025 |
| Paul Tudor Jones | Tudor Investment Corp | 189.9K | $36.5M | Sep 30, 2025 |
Recent activity
- $164.6MFeb 14, 2025
- Reduced$182.5M(-6.52%)May 15, 2025
- Increased$618.2M(233.47%)Aug 14, 2025
- $0(-100.00%)Nov 14, 2025
- Reduced$57.7M(-50.80%)Nov 14, 2024
- Reduced$39.8M(-12.48%)Feb 14, 2025
- Increased$162.6M(244.10%)May 15, 2025
- Reduced$92.8M(-43.80%)Aug 14, 2025
- Increased$101.5M(32.72%)Feb 17, 2026
- Increased$189.5M(89.94%)May 15, 2026
- Increased$366.1M(103.87%)Aug 14, 2026
- Increased$286.4M(9.57%)Nov 14, 2024
- Increased$459.8M(35.62%)May 15, 2025
- Reduced$192.9M(-58.70%)Aug 14, 2025
- Sold$0(-100.00%)Nov 14, 2025
- Increased$324.7M(23.31%)Aug 14, 2026
- New$879.9KFeb 14, 2024
- Sold$0(-100.00%)May 14, 2024
- New$354.2KFeb 13, 2025
- Increased$692.4K(64.79%)May 14, 2025
- Increased$766.3K(8.96%)Aug 13, 2025
- Increased$5.7K(755.78%)Nov 13, 2025
- Increased$15.1K(190.80%)Feb 13, 2026
- Reduced$9.8M(-34.04%)May 15, 2026
- Reduced$5.9M(-36.88%)Aug 14, 2026
- Reduced$51.9M(-74.51%)Nov 14, 2024
- Increased$119.8M(192.71%)Feb 14, 2025
- Increased$302.8M(113.12%)Jul 21, 2025
- Reduced$242.7M(-21.11%)Aug 14, 2025
- Reduced$123.4M(-41.57%)Nov 14, 2025
- Reduced$27.1M(-75.92%)Feb 17, 2026
- Increased$228.5M(757.18%)May 15, 2026
- Reduced$140.1M(-35.32%)Aug 14, 2026
- Increased$20.5M(356.92%)Aug 14, 2024
- Increased$26.1M(6.47%)Nov 14, 2024
- Reduced$19.4M(-5.69%)Feb 14, 2025
- Reduced$7.1M(-69.24%)May 15, 2025
- Increased$13M(80.06%)Aug 14, 2025
- Increased$36.5M(223.58%)Dec 9, 2025
- New$170.1MSep 16, 2024
- New$218.5MAug 14, 2024
- $68.2MMay 15, 2024
- $4.6MMay 15, 2024
Frequently asked questions
- How many institutional investors hold AMT?
- 4 tracked institutional investors disclosed a position in AMT (AMERICAN TOWER CORP NEW) in their most recent 13F filing.
- Who is the largest institutional holder of AMT?
- Andreas Halvorsen, Viking Global Investors, holds the largest disclosed position in AMT, valued at $618M.
- Did institutional ownership of AMT increase or decrease?
- Across recent 13F filings, tracked investors recorded 7 new positions, 19 increased, 14 reduced, and 3 fully exited AMT.
- What sector is AMT in?
- AMERICAN TOWER CORP NEW is classified in the Real Estate GICS sector, REIT - Specialty industry.
- Where does this AMT ownership data come from?
- SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.