AMT Institutional Ownership
Who owns American Tower Corp and what the big funds did with it last quarter, from every SEC 13F filing. 1,757 funds reported holding AMT at Jun 30, 2026, together owning 94.9% of the company.
- ●843 buying vs 814 selling
- ▲Held by funds +1.8 pts
- ●Funds holding -7
- ▼Superinvestors: 2 added, 3 cut
- ▲Put/call 1.25 to 0.95
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 1,757 | 1,764 | −0.4% |
| In funds' top 10 | 22 | 22 | 0.0% |
| 13F shares | 440M | 432M | +1.9% |
| Held by funds | 94.9% | 93.2% | +1.8 pts |
| New positions | 157 | 124 | +26.6% |
| Increased | 686 | 718 | −4.5% |
| Reduced | 662 | 649 | +2.0% |
| Sold out | 152 | 148 | +2.7% |
| Calls (shares) | 286K | 381K | −24.9% |
| Puts (shares) | 272K | 470K | −42.1% |
| Put/call ratio | 0.95 | 1.25 | −23.9% |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in AMT
All superinvestors →
Who owns AMT
share of fund held shares- Index and passive funds39.5%
- Active managers and hedge funds37.4%
- Banks and brokers17.7%
- Pensions, insurers and other5.4%
The top 10 holders own 43.6% of all AMT shares that funds reported. Groups are our own grouping of filers by name.
Put/call ratio
funds' options, market makers left outAbove 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.
Filed so far for Q3 2026
648 funds changed their position- Robeco Institutional Asset Management B.V.Added+487K sh
- KBC Group NVAdded+220K sh
- DAVENPORT & Co LLCAdded+215K sh
- ASR Vermogensbeheer N.V.Trimmed−167K sh
- DekaBank Deutsche GirozentraleAdded+115K sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 9.87% | 45.8M | $7.5B | +842K |
| 2 | Vanguard Capital Management LLC | 6.56% | 30.4M | $5B | +75K |
| 3 | Vanguard Portfolio Management LLC | 6.01% | 27.9M | $4.6B | +256K |
| 4 | State Street Corp | 4.76% | 22.1M | $3.6B | +632K |
| 5 | Geode Capital Management, LLC | 2.98% | 13.8M | $2.3B | −95K |
| 6 | Cohen & Steers, Inc. | 2.97% | 13.8M | $2.3B | +1.2M |
| 7 | Fmr LLC | 2.45% | 11.4M | $1.9B | +59K |
| 8 | Morgan Stanley | 2.07% | 9.6M | $1.6B | +27K |
| 9 | Jpmorgan Chase & Co | 1.91% | 8.9M | $1.5B | −6.3M |
| 10 | Lazard Asset Management LLC | 1.81% | 8.4M | $1.4B | +1.1M |
- Norges Bank+6.4M sh+$1B
- AQR Capital Management LLC+1.9M sh+$309M
- Ontario Teachers Pension Plan Board+1.8M sh+$292M
- Jane Street Group, LLC+1.5M sh+$239M
- Millennium Management LLC+1.2M sh+$191M
- Cohen & Steers, Inc.+1.2M sh+$189M
- Qube Research & Technologies Ltd+1.1M sh+$186M
- Lazard Asset Management LLC+1.1M sh+$176M
- Jpmorgan Chase & Co−6.3M sh−$1.1B
- Cantillon Capital Management LLC−1.6M sh−$278M
- Nuveen, LLC−1.3M sh−$206M
- Capital Research Global Investors−1.2M sh−$193M
- Deutsche Bank Ag\−1.1M sh−$175M
- Franklin Resources Inc−925K sh−$151M
- Fisher Asset Management, LLC−908K sh−$148M
- Two Sigma Investments, LP−795K sh−$130M
AMT institutional ownership FAQ
Who owns the most AMT stock?
In Q2 2026 13F filings the largest holder of AMT was BlackRock, Inc., followed by Vanguard Capital Management LLC and Vanguard Portfolio Management LLC. Index fund managers are usually the biggest holders of large companies.
What percentage of AMT is owned by institutions?
Funds that file 13F reports held 94.9% of AMT's shares at Jun 30, 2026, compared with 93.2% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying AMT?
In Q2 2026, 843 funds bought AMT (157 of them new positions) and 814 sold (152 sold out completely). Among well known investors, 2 added and 3 cut. Our fund sentiment for AMT is neutral.
What is AMT's institutional put/call ratio?
Funds reported $44.6M of AMT puts against $46.7M of calls, a put/call ratio of 0.95 (1.25 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.
How current is this AMT ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.