Who owns AMT
Institutions that file 13Fs hold 95% of the shares
Shares they hold, quarter on quarter
+1.9%
175 new, 652 added, 627 cut, 185 sold out
Top 10 holders
44%
of the shares institutions hold
A 13F lists the long positions of managers with more than $100M in US stocks. It shows the last day of a quarter and is filed up to 45 days later. Two managers can report the same shares, so totals can count some shares twice.
Institutional owners
The 25 biggest holders
| Holder | Shares | Value | % of company | From Mar 31, 2026 |
|---|---|---|---|---|
| BlackRock, Inc. | 45.80M | $7.5B | 9.87% | Added +1.9% |
| VANGUARD CAPITAL MANAGEMENT LLC | 30.44M | $5.0B | 6.56% | Held |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 27.85M | $4.6B | 6.01% | Added +0.9% |
| STATE STREET CORP | 22.07M | $3.6B | 4.76% | Added +2.9% |
| GEODE CAPITAL MANAGEMENT, LLC | 13.84M | $2.3B | 2.98% | Reduced -0.7% |
| COHEN & STEERS, INC. | 13.78M | $2.3M | 2.97% | Added +9.2% |
| FMR LLC | 11.38M | $1.9B | 2.45% | Added +0.5% |
| MORGAN STANLEY | 9.61M | $1.6B | 2.07% | Held |
| JPMORGAN CHASE & CO | 8.85M | $1.5B | 1.91% | Reduced -41.5% |
| LAZARD ASSET MANAGEMENT LLC | 8.40M | $1.4B | 1.81% | Added +14.7% |
| Invesco Ltd. | 7.07M | $1.2B | 1.52% | Reduced -2.8% |
| DEUTSCHE BANK AG\ | 6.70M | $1.1B | 1.45% | Reduced -13.7% |
| Capital World Investors | 6.55M | $1.1B | 1.41% | Added +15.6% |
| NORGES BANK | 6.37M | $1.0B | 1.37% | New |
| DIMENSIONAL FUND ADVISORS LP | 5.88M | $961.2M | 1.27% | Added +1.1% |
| PRINCIPAL FINANCIAL GROUP INC | 5.74M | $939.3M | 1.24% | Reduced -2.9% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 5.61M | $917.2M | 1.21% | Added +7.0% |
| NORTHERN TRUST CORP | 5.02M | $821.7M | 1.08% | Reduced -5.9% |
| GOLDMAN SACHS GROUP INC | 4.96M | $811.0M | 1.07% | Added +5.6% |
| Legal & General Group Plc | 4.85M | $793.9M | 1.05% | Added +0.6% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 4.60M | $752.9M | 0.99% | Added +9.7% |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 4.53M | $740.4M | 0.98% | Added +4.3% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 4.21M | $689K | 0.91% | Reduced -11.8% |
| Amundi | 4.05M | $661.8M | 0.87% | Added +5.6% |
| BANK OF AMERICA CORP /DE/ | 3.91M | $638.8M | 0.84% | Reduced -13.4% |
Show the other 15 holders
This quarter
Who bought and who sold the most shares
Bought the most shares
- NORGES BANK +6.37M, new
- AQR CAPITAL MANAGEMENT LLC +1.89M
- ONTARIO TEACHERS PENSION PLAN BOARD +1.78M, new
- JANE STREET GROUP, LLC +1.46M
- MILLENNIUM MANAGEMENT LLC +1.17M
- COHEN & STEERS, INC. +1.16M
- Qube Research & Technologies Ltd +1.14M
- LAZARD ASSET MANAGEMENT LLC +1.08M
- Capital World Investors +887K
- BlackRock, Inc. +842K
Sold the most shares
- JPMORGAN CHASE & CO -6.27M
- Cantillon Capital Management LLC -1.61M, sold out
- Nuveen, LLC -1.26M
- Capital Research Global Investors -1.18M
- DEUTSCHE BANK AG\ -1.07M
- FRANKLIN RESOURCES INC -925K
- Fisher Asset Management, LLC -908K
- TWO SIGMA INVESTMENTS, LP -795K
- ACADIAN ASSET MANAGEMENT LLC -611K
- BANK OF AMERICA CORP /DE/ -606K
Superinvestors
Superinvestors holding AMT
| Investor | Quarter | Shares | Value | % of portfolio | Last quarter |
|---|---|---|---|---|---|
| Chris Davis Davis Selected Advisers | Jun 30, 2026 | 63K | $10.3M | 0.04% | Reduced -2.1% |
| Chuck Akre Akre Capital Management | Jun 30, 2026 | 29K | $4.8M | 0.09% | Reduced -42.4% |
Sold out last quarter: William von Mueffling
More than 5%
13D filings: owners who may push for change
No Schedule 13D about AMT in the last year.