American Tower Corp
AMT- Exchange
- NYSE
- Industry
- Real Estate Investment Trusts
- SEC CIK
- 0001053507
In the last 90 days, American Tower Corp insiders filed 1 open-market purchase and 2 sales; 1,757 institutions reported holding it in 13F filings for Q2 2026, worth $72.0B in total; Akre Capital Management is the only superinvestor holding it.
13F holders, Q3 2021
Institutional positions in American Tower Corp as of Sep 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 1,678
- +47 vs. Q2 2021
- Shares held
- 412.7M
- −255.0K (−0.1%) vs. Q2 2021
- Total value
- $109.6B
- −$2.00B (−1.8%) vs. Q2 2021
- New holders
- 131
- 744 more added
- Sold out
- 84
- 529 more reduced
25 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting AMT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,757 | $72.0B |
| Q1 2026 | 1,760 | $74.4B |
| Q4 2025 | 1,781 | $77.0B |
| Q3 2025 | 1,799 | $82.5B |
| Q2 2025 | 1,852 | $96.5B |
| Q1 2025 | 1,845 | $95.0B |
| Q4 2024 | 1,798 | $79.6B |
| Q3 2024 | 1,852 | $99.4B |
| Q2 2024 | 1,769 | $83.8B |
| Q1 2024 | 1,769 | $85.0B |
| Q4 2023 | 1,802 | $93.6B |
| Q3 2023 | 1,634 | $69.9B |
| Q2 2023 | 1,688 | $82.1B |
| Q1 2023 | 1,706 | $86.3B |
| Q4 2022 | 1,711 | $90.0B |
| Q3 2022 | 1,693 | $91.0B |
| Q2 2022 | 1,747 | $109.0B |
| Q1 2022 | 1,723 | $104.3B |
| Q4 2021 | 1,799 | $121.8B |
| Q3 2021 | 1,678 | $109.6B |
| Q2 2021 | 1,656 | $111.7B |
| Q1 2021 | 1,613 | $95.8B |
Institutions, Q3 2021
Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cornerstone Advisors, LLC | 39,000 | $10.4M | 0.60% | 00.0% | Unchanged |
| Norinchukin Bank, The | 38,779 | $10.3M | 0.14% | +1,157+3.1% | Added |
| Skylands Capital, LLC | 38,630 | $10.3M | 1.27% | −9,100−19.1% | Reduced |
| Sandy Spring Bank | 38,434 | $10.2M | 0.54% | −347−0.9% | Reduced |
| ING Groep NV | 38,211 | $10.1M | 0.13% | +867+2.3% | Added |
| Oregon Public Employees Retirement Fund | 38,085 | $10.1M | 0.12% | +453+1.2% | Added |
| Wilbanks Smith & Thomas Asset Management LLC | 37,746 | $10.0M | 0.39% | +1,255+3.4% | Added |
| DuPont Capital Management Corp | 37,501 | $9.95M | 0.31% | −3,433−8.4% | Reduced |
| Doyle Wealth Management | 37,044 | $9.83M | 0.78% | +1,889+5.4% | Added |
| Nippon Life Global Investors Americas, Inc. | 36,790 | $9.78M | 0.51% | −670−1.8% | Reduced |
| McCollum Christoferson Group LLC | 36,781 | $9.76M | 2.32% | −85−0.2% | Reduced |
| FDx Advisors, Inc. | 36,774 | $9.76M | 0.31% | +1,950+5.6% | Added |
| Gofen & Glossberg LLC | 36,506 | $9.69M | 0.23% | −125−0.3% | Reduced |
| Girard Partners Ltd. | 36,411 | $9.66M | 1.22% | +3,464+10.5% | Added |
| Whittier Trust Co of Nevada Inc | 36,248 | $9.62M | 0.39% | +1,077+3.1% | Added |
| Stephens Inc | 35,592 | $9.45M | 0.15% | −4,097−10.3% | Reduced |
| Smith Group Asset Management, LLC | 35,253 | $9.36M | 0.48% | +35,253 | New |
| Nomura Holdings Inc | 35,066 | $9.35M | 0.07% | +29,745+559.0% | Added |
| Cullinan Associates Inc | 35,152 | $9.33M | 0.52% | −1,385−3.8% | Reduced |
| Maryland State Retirement & Pension System | 34,428 | $9.30M | 0.26% | 00.0% | Unchanged |
| BLB&B Advisors, LLC | 34,692 | $9.21M | 0.61% | +1,578+4.8% | Added |
| UBS Oconnor LLC | 34,685 | $9.21M | 0.08% | +7,920+29.6% | Added |
| Northwest & Ethical Investments L.P. | 34,539 | $9.17M | 0.30% | 00.0% | Unchanged |
| Socorro Asset Management LP | 34,499 | $9.16M | 2.58% | +34,499 | New |
| Bank of the West | 34,431 | $9.14M | 0.95% | +727+2.2% | Added |
| HM Payson & Co | 34,332 | $9.11M | 0.22% | −135−0.4% | Reduced |
| Simplex Trading, LLC | 33,159 | $8.96M | 0.32% | +244+0.7% | Added |
| Adviser Investments LLC | 33,643 | $8.93M | 0.67% | +706+2.1% | Added |
| Kempen Capital Management N.V. | 33,001 | $8.76M | 0.31% | +2,198+7.1% | Added |
| RiverPark Advisors, LLC | 32,876 | $8.73M | 1.07% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 32,531 | $8.63M | 0.06% | −360,659−91.7% | Reduced |
| Mariner, LLC | 32,326 | $8.58M | 0.04% | +1,750+5.7% | Added |
| Gamble Jones Investment Counsel | 32,052 | $8.51M | 0.56% | −1,595−4.7% | Reduced |
| Makena Capital Management LLC | 31,972 | $8.49M | 1.43% | +9,760+43.9% | Added |
| Andra AP-fonden | 31,900 | $8.47M | 0.17% | −8,100−20.3% | Reduced |
| Oxbow Advisors, LLC | 31,886 | $8.46M | 0.86% | +1,106+3.6% | Added |
| B&I Capital AG | 31,685 | $8.41M | 2.24% | −6,100−16.1% | Reduced |
| Elo Mutual Pension Insurance Co | 31,665 | $8.40M | 0.27% | +461+1.5% | Added |
| Gabelli Funds LLC | 31,613 | $8.39M | 0.06% | 00.0% | Unchanged |
| Segment Wealth Management, LLC | 31,526 | $8.37M | 0.99% | +401+1.3% | Added |
| PFS Investments Inc. | 29,759 | $8.30M | 0.17% | +1,635+5.8% | Added |
| Heritage Trust Co | 30,760 | $8.16M | 1.15% | +1,420+4.8% | Added |
| Commerce Bank | 30,631 | $8.13M | 0.06% | +1,436+4.9% | Added |
| PGGM Investments | 30,507 | $8.10M | 0.04% | +17,656+137.4% | Added |
| Wilkins Investment Counsel Inc | 30,373 | $8.06M | 1.97% | −100−0.3% | Reduced |
| National Asset Management, Inc. | 30,180 | $8.02M | 0.26% | +625+2.1% | Added |
| Rafferty Asset Management, LLC | 29,998 | $7.96M | 0.05% | −6,319−17.4% | Reduced |
| Cincinnati Specialty Underwriters Insurance CO | 30,000 | $7.96M | 3.20% | 00.0% | Unchanged |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 29,868 | $7.93M | 0.19% | +1,140+4.0% | Added |
| Landsberg, Bennett, & Dubbaneh LLC | 29,662 | $7.91M | 1.01% | −849−2.8% | Reduced |
| New Mexico Educational Retirement Board | 29,768 | $7.90M | 0.28% | −500−1.7% | Reduced |
| Jupiter Wealth Management LLC | 28,510 | $7.87M | 3.71% | 00.0% | Unchanged |
| Alexandria Capital, LLC | 29,621 | $7.86M | 0.73% | −476−1.6% | Reduced |
| Integrated Advisors Network LLC | 29,540 | $7.84M | 0.52% | +12,175+70.1% | Added |
| Torray LLC | 29,348 | $7.79M | 1.19% | −978−3.2% | Reduced |
| Kesler, Norman & Wride, LLC | 28,966 | $7.69M | 1.81% | +124+0.4% | Added |
| Eagle Global Advisors LLC | 28,920 | $7.68M | 0.51% | +495+1.7% | Added |
| Jane Street Group, LLC | 28,695 | $7.62M | 0.02% | +9,824+52.1% | Added |
| NBW Capital LLC | 28,368 | $7.53M | 1.81% | −376−1.3% | Reduced |
| Louisiana State Employees Retirement System | 28,300 | $7.51M | 0.18% | 00.0% | Unchanged |
| Telemus Capital, LLC | 28,064 | $7.45M | 0.63% | +569+2.1% | Added |
| W.G. Shaheen & Associates DBA Whitney & Co | 27,589 | $7.32M | 1.17% | +288+1.1% | Added |
| Howard Hughes Medical Institute | 27,500 | $7.30M | 2.46% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 27,328 | $7.25M | 0.19% | −8,129−22.9% | Reduced |
| NewEdge Wealth, LLC | 27,260 | $7.24M | 0.43% | +1,257+4.8% | Added |
| Knuff & Co LLC | 27,172 | $7.21M | 2.70% | −28−0.1% | Reduced |
| B. Metzler seel. Sohn & Co. Holding AG | 27,167 | $7.21M | 0.10% | −1,925−6.6% | Reduced |
| Acadian Asset Management LLC | 27,174 | $7.21M | 0.03% | +9,521+53.9% | Added |
| Hoylecohen, LLC | 27,011 | $7.17M | 0.68% | −459−1.7% | Reduced |
| Northstar Asset Management LLC | 27,002 | $7.17M | 1.88% | 00.0% | Unchanged |
| Sargent Bickham Lagudis LLC | 26,958 | $7.16M | 0.58% | −84−0.3% | Reduced |
| D L Carlson Investment Group Inc | 26,889 | $7.14M | 1.24% | −70.0% | Reduced |
| Univest Financial Corp | 26,487 | $7.03M | 1.96% | −875−3.2% | Reduced |
| Steward Partners Investment Advisory, LLC | 26,277 | $6.97M | 0.12% | +1,070+4.2% | Added |
| Kentucky Retirement Systems | 26,267 | $6.97M | 0.33% | −211−0.8% | Reduced |
| Mader & Shannon Wealth Management, Inc. | 26,255 | $6.97M | 4.45% | −17−0.1% | Reduced |
| Cerity Partners LLC | 26,240 | $6.96M | 0.15% | +82+0.3% | Added |
| First National Bank of Omaha | 26,214 | $6.96M | 0.35% | −580−2.2% | Reduced |
| Premier Fund Managers Ltd | 25,633 | $6.92M | 0.22% | +900+3.6% | Added |
| Ilmarinen Mutual Pension Insurance Co | 26,000 | $6.90M | 0.07% | −53,500−67.3% | Reduced |
| Zeno Research, LLC | 25,695 | $6.82M | 5.40% | +25,695 | New |
| Capital Analysts, LLC | 25,513 | $6.77M | 0.44% | +298+1.2% | Added |
| Beacon Pointe Advisors, LLC | 25,505 | $6.77M | 0.17% | +11,126+77.4% | Added |
| GWM Advisors LLC | 25,432 | $6.75M | 0.17% | +1,263+5.2% | Added |
| ARS Investment Partners, LLC | 25,393 | $6.74M | 0.67% | +811+3.3% | Added |
| Moody Lynn & Lieberson, LLC | 25,256 | $6.70M | 0.50% | +1,709+7.3% | Added |
| NJ State Employees Deferred Compensation Plan | 25,200 | $6.69M | 0.91% | 00.0% | Unchanged |
| Comerica Securities,inc. | 24,985 | $6.66M | 0.47% | −333−1.3% | Reduced |
| Quantbot Technologies LP | 25,075 | $6.66M | 0.49% | +25,075 | New |
| FRG Family Wealth Advisors LLC | 25,012 | $6.64M | 1.30% | −945−3.6% | Reduced |
| Forward Management, LLC | 25,000 | $6.63M | 0.71% | −4,000−13.8% | Reduced |
| Stratos Wealth Partners, LTD. | 24,867 | $6.60M | 0.17% | +3,146+14.5% | Added |
| Segall Bryant & Hamill, LLC | 24,733 | $6.57M | 0.06% | −1,063−4.1% | Reduced |
| Hills Bank & Trust Co | 24,384 | $6.47M | 0.98% | +80+0.3% | Added |
| Selkirk Management LLC | 24,150 | $6.41M | 2.61% | 00.0% | Unchanged |
| South Dakota Investment Council | 23,574 | $6.26M | 0.11% | 00.0% | Unchanged |
| Duality Advisers, LP | 23,421 | $6.22M | 0.48% | +23,421 | New |
| Group One Trading, L.P. | 23,371 | $6.20M | 0.14% | −25,260−51.9% | Reduced |
| Forbes J M & Co LLP | 23,220 | $6.16M | 0.78% | +207+0.9% | Added |
| Presima Inc. | 22,860 | $6.07M | 1.08% | +2,100+10.1% | Added |