Who owns Ametek?What is institutional ownership? Institutional ownership is the share of a company's stock held by funds, banks and other investment managers, as they report it each quarter on Form 13F.
Institutions own 90.4% of Ametek's shares, through 1,222 funds, banks and other managers that report their holdings to the SEC; individual investors and others hold the rest. The largest on 30 June 2026 were BlackRock, Inc. (8.5%), Vanguard Capital Management LLC (6.5%), State Street Corp (4.5%).
- Institutions ownWhat is institutional ownership? Institutional ownership is the share of a company's stock held by funds, banks and other investment managers, as they report it each quarter on Form 13F.
- 90.4%
- Institutional holders
- 1,222
- The 10 largest hold
- 36.9%
- Free floatWhat is free float? Free float is the part of a company's shares that anyone can buy and sell: all its shares minus those held by insiders, founders and owners of over 5%.
- 99.6%
- Holdings as of
- 30 Jun 2026
Who owns the shares
Shares free to trade
Closely held shares belong to insiders, founders and owners of more than 5%, and seldom change hands. The free float is the rest: the shares anyone can buy and sell.
The largest shareholders
| # | Holder | Shares | Of the company | Value | Change last quarter (shares) |
|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 19,533,471 | 8.53% | 4.73B USD | +705,214 |
| 2 | Vanguard Capital Management LLC | 14,978,776 | 6.54% | 3.62B USD | +52,261 |
| 3 | State Street Corp | 10,342,632 | 4.52% | 2.50B USD | +258,747 |
| 4 | Vanguard Portfolio Management LLC | 9,952,184 | 4.35% | 2.41B USD | +101,326 |
| 5 | Price T Rowe Associates Inc | 6,737,801 | 2.94% | 1.63B USD | -186,697 |
| 6 | Geode Capital Management, LLC | 6,143,082 | 2.68% | 1.48B USD | +17,769 |
| 7 | JPMorgan Chase & Co | 4,371,879 | 1.91% | 1.04B USD | -285,520 |
| 8 | Norges Bank | 4,303,368 | 1.88% | 1.04B USD | New position |
| 9 | FMR LLC | 4,277,408 | 1.87% | 1.03B USD | -80,845 |
| 10 | Morgan Stanley | 3,745,827 | 1.64% | 906.27M USD | -122,525 |
| 11 | Wellington Management Group LLP | 2,994,077 | 1.31% | 724.39M USD | +196,986 |
| 12 | Invesco Ltd. | 2,919,694 | 1.28% | 706.39M USD | -211,170 |
| 13 | Flossbach Von Storch Se | 2,737,670 | 1.20% | 662.35M USD | -720,464 |
| 14 | Bank Of New York Mellon Corp | 2,582,149 | 1.13% | 624.72M USD | +77,379 |
| 15 | Dz Bank AG Deutsche Zentral Genossenschafts Bank, Frankfurt AM Main | 2,335,003 | 1.02% | 564.93M USD | +1,035,016 |
| 16 | Northern Trust Corp | 2,321,602 | 1.01% | 561.69M USD | -28,545 |
| 17 | Dimensional Fund Advisors LP | 2,110,807 | 0.92% | 510.65M USD | +35,578 |
| 18 | Lazard Asset Management LLC | 2,073,154 | 0.91% | 501.58M USD | +454,628 |
| 19 | Goldman Sachs Group Inc | 1,962,666 | 0.86% | 474.85M USD | +278,038 |
| 20 | Principal Financial Group Inc | 1,660,347 | 0.73% | 401.71M USD | -118,137 |
| 21 | Bank Of America Corp | 1,619,414 | 0.71% | 391.80M USD | -28,705 |
| 22 | UBS AM | 1,572,586 | 0.69% | 380.47M USD | -59,498 |
| 23 | Royal Bank Of Canada | 1,517,189 | 0.66% | 367.07M USD | +69,982 |
| 24 | Qube Research & Technologies Ltd | 1,516,968 | 0.66% | 367.02M USD | +79,238 |
| 25 | Man Group PLC | 1,473,501 | 0.64% | 356.50M USD | +333,809 |
All institutions last quarter
- Bought or added
- 752 · 130 new
- Sold or cut
- 491 · 89 sold out
- Net shares bought
- +6.18M · 1.50B USD
- Institutional ownership
- 87.2% → 90.4%
Biggest buyers last quarter
- Norges BankNew position
- Sixth Street Partners Management Company, L.P.New position
- Dz Bank AG Deutsche Zentral Genossenschafts Bank, Frankfurt AM Main+1,035,016
- BlackRock, Inc.+705,214
- Manning & Napier Advisors LLCNew position
Biggest sellers last quarter
- Two Sigma Investments, LP-1,224,411
- Flossbach Von Storch Se-720,464
- UBS Group AG-545,951
- Barclays PLC-446,760
- Edgepoint Investment Group Inc.-416,212
From the holders' 13F filings with the SEC for the quarter to 30 Jun 2026, filed up to 45 days after it; the buyers and sellers are among the 100 largest holders.
Common questions about Ametek's shareholders
Source: Financial Modeling Prep
