AMERICAN TOWER CORP (AMT): Institutional Ownership
Hedge funds and institutional managers reporting a position in AMT · Real Estate. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
31
13F filers
Aggregate Value
$1.7B
Across holders
Last Price
$175.59
2026-06-26
Sector
Real Estate
GICS
Holder activity7 new9 added15 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| VIKING GLOBAL INVESTORS LP CIK 0001103804 | Hedge Fund | 2.80M | $618.2M | 36.9% | 1.8% | New | — | Q2 2025 |
| Fisher Asset Management, LLC CIK 0000850529 | Institutional Manager | 1.74M | $299.7M | 17.9% | 0.1% | Reduced | $-7.4M | Q1 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 1.23M | $211.7M | 12.6% | 0.2% | Added | +$1.8M | Q1 2026 |
| Man Group plc CIK 0001637460 | Hedge Fund | 826K | $142.6M | 8.5% | 0.3% | Reduced | $-50.8M | Q1 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 449K | $77.5M | 4.6% | 0.0% | Reduced | $-3.6M | Q1 2026 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 435K | $75.1M | 4.5% | 0.1% | Added | +$27.1M | Q1 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. CIK 0001165408 | Hedge Fund | 419K | $72.4M | 4.3% | 0.1% | Reduced | $-552K | Q1 2026 |
| Verition Fund Management LLC CIK 0001454027 | Hedge Fund | 186K | $32.0M | 1.9% | 0.2% | Added | +$30.5M | Q1 2026 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 162K | $28.4M | 1.7% | 0.0% | Added | +$15.3M | Q4 2025 |
| Schonfeld Strategic Advisors LLC CIK 0001665241 | Hedge Fund | 118K | $20.7M | 1.2% | 0.1% | New | — | Q4 2025 |
| ExodusPoint Capital Management, LP CIK 0001736225 | Hedge Fund | 119K | $20.6M | 1.2% | 0.2% | New | — | Q1 2026 |
| Hudson Bay Capital Management LP CIK 0001393825 | Hedge Fund | 70K | $12.2M | 0.7% | 0.0% | New | — | Q1 2026 |
| Bridgewater Associates, LP CIK 0001350694 | Hedge Fund | 57K | $9.8M | 0.6% | 0.0% | Reduced | $-5.1M | Q1 2026 |
| TUDOR INVESTMENT CORP ET AL CIK 0000923093 | Hedge Fund | 54K | $9.3M | 0.6% | 0.0% | Added | +$1.8M | Q1 2026 |
| AKRE CAPITAL MANAGEMENT LLC CIK 0001112520 | Institutional Manager | 51K | $8.8M | 0.5% | 0.1% | Reduced | $-35.3M | Q1 2026 |
| BAILLIE GIFFORD & CO CIK 0001088875 | Institutional Manager | 50K | $8.6M | 0.5% | 0.0% | Added | +$8.5M | Q1 2026 |
| Gotham Asset Management, LLC CIK 0001510387 | Hedge Fund | 36K | $6.3M | 0.4% | 0.0% | Reduced | $-13.4M | Q1 2026 |
| Holocene Advisors, LP CIK 0001700574 | Hedge Fund | 30K | $5.2M | 0.3% | 0.0% | Reduced | $-312K | Q1 2026 |
| GAMCO INVESTORS, INC. ET AL CIK 0000807249 | Institutional Manager | 25K | $4.2M | 0.3% | 0.0% | Added | +$1K | Q1 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 16K | $2.7M | 0.2% | 0.0% | Reduced | $-9.6M | Q1 2026 |
New
Hedge Fund
$618.2M· 36.9% of total· 1.8% port· 2.80M sh· — QoQ· Q2 2025
Reduced
Institutional Manager
$299.7M· 17.9% of total· 0.1% port· 1.74M sh· $-7.4M QoQ· Q1 2026
Added
Hedge Fund
$211.7M· 12.6% of total· 0.2% port· 1.23M sh· +$1.8M QoQ· Q1 2026
Reduced
Hedge Fund
$142.6M· 8.5% of total· 0.3% port· 826K sh· $-50.8M QoQ· Q1 2026
Reduced
Hedge Fund
$77.5M· 4.6% of total· 0.0% port· 449K sh· $-3.6M QoQ· Q1 2026
Added
Hedge Fund
$75.1M· 4.5% of total· 0.1% port· 435K sh· +$27.1M QoQ· Q1 2026
Reduced
Hedge Fund
$72.4M· 4.3% of total· 0.1% port· 419K sh· $-552K QoQ· Q1 2026
Added
Hedge Fund
$32.0M· 1.9% of total· 0.2% port· 186K sh· +$30.5M QoQ· Q1 2026
Added
Hedge Fund
$28.4M· 1.7% of total· 0.0% port· 162K sh· +$15.3M QoQ· Q4 2025
New
Hedge Fund
$20.7M· 1.2% of total· 0.1% port· 118K sh· — QoQ· Q4 2025
New
Hedge Fund
$20.6M· 1.2% of total· 0.2% port· 119K sh· — QoQ· Q1 2026
New
Hedge Fund
$12.2M· 0.7% of total· 0.0% port· 70K sh· — QoQ· Q1 2026
Reduced
Hedge Fund
$9.8M· 0.6% of total· 0.0% port· 57K sh· $-5.1M QoQ· Q1 2026
Added
Hedge Fund
$9.3M· 0.6% of total· 0.0% port· 54K sh· +$1.8M QoQ· Q1 2026
Reduced
Institutional Manager
$8.8M· 0.5% of total· 0.1% port· 51K sh· $-35.3M QoQ· Q1 2026
Added
Institutional Manager
$8.6M· 0.5% of total· 0.0% port· 50K sh· +$8.5M QoQ· Q1 2026
Reduced
Hedge Fund
$6.3M· 0.4% of total· 0.0% port· 36K sh· $-13.4M QoQ· Q1 2026
Reduced
Hedge Fund
$5.2M· 0.3% of total· 0.0% port· 30K sh· $-312K QoQ· Q1 2026
Added
Institutional Manager
$4.2M· 0.3% of total· 0.0% port· 25K sh· +$1K QoQ· Q1 2026
Reduced
Hedge Fund
$2.7M· 0.2% of total· 0.0% port· 16K sh· $-9.6M QoQ· Q1 2026
Reduced
Hedge Fund
$1.9M· 0.1% of total· 0.0% port· 11K sh· $-16.0M QoQ· Q1 2026
Added
Hedge Fund
$1.8M· 0.1% of total· 0.0% port· 11K sh· +$604K QoQ· Q1 2026
Reduced
Hedge Fund
$1.8M· 0.1% of total· 0.0% port· 10K sh· $-52.0M QoQ· Q1 2026
New
Institutional Manager
$1.1M· 0.1% of total· 0.0% port· 6K sh· — QoQ· Q4 2025
New
Family Office
$617K· 0.0% of total· 0.0% port· 3K sh· — QoQ· Q2 2025
Added
Hedge Fund
$431K· 0.0% of total· 0.0% port· 3K sh· +$311K QoQ· Q1 2026
Reduced
Hedge Fund
$405K· 0.0% of total· 0.0% port· 2K sh· $-88K QoQ· Q1 2026
Reduced
Hedge Fund
$270K· 0.0% of total· 0.0% port· 1K sh· $-2.1M QoQ· Q3 2024
New
Hedge Fund
$249K· 0.0% of total· 0.0% port· 1K sh· — QoQ· Q4 2025
Reduced
Hedge Fund
$205K· 0.0% of total· 0.0% port· 1K sh· $-246K QoQ· Q1 2026
Reduced
Hedge Fund
$10K· 0.0% of total· 0.0% port· 60 sh· $-235.4M QoQ· Q1 2026
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