AMETEK, Inc.
AMETEK, Inc. (AME) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · AME · as of Sep 30, 2024
Ownership Breakdown
932
Institutional Holders
▲ 14 vs Q2
$34.20B
Total Inst. Value
▲ $280.26M vs Q2
229.20M
Shares Outstanding
freeFloat 99.58%
199.14M
13F Shares Held
▼ 4.26M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
AME largest shareholders · institutional ownership
Q3 2024 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC industrial instruments for measurement, display, and control | 25.87M | 11.18% | 11.18% | $4.44T | Nov 13, 2024 | ▲ 117.7K |
BLACKROCK, INC. industrial instruments for measurement, display, and control | 17.22M | 7.44% | 7.44% | $2.96T | Nov 13, 2024 | NEW |
PRICE T ROWE ASSOCIATES INC /MD/ industrial instruments for measurement, display, and control | 9.79M | 4.23% | 4.23% | $1.68T | Nov 14, 2024 | ▲ 1.88M |
STATE STREET CORP industrial instruments for measurement, display, and control | 9.22M | 3.99% | 3.99% | $1.58T | Nov 14, 2024 | ▲ 24.1K |
FMR LLC industrial instruments for measurement, display, and control | 8.86M | 3.83% | 3.83% | $1.52T | Nov 13, 2024 | ▼ 260.6K |
JPMORGAN CHASE & CO industrial instruments for measurement, display, and control | 6.99M | 3.02% | 3.02% | $1.20T | Dec 26, 2024 | ▲ 250.5K |
GEODE CAPITAL MANAGEMENT, LLC industrial instruments for measurement, display, and control | 5.40M | 2.33% | 2.33% | $924.31B | Nov 12, 2024 | ▲ 45.5K |
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ industrial instruments for measurement, display, and control | 4.96M | 2.14% | 2.14% | $850.87B | Nov 12, 2024 | ▼ 2.39M |
BANK OF NEW YORK MELLON CORP industrial instruments for measurement, display, and control | 4.32M | 1.87% | 1.87% | $741.10B | Nov 12, 2024 | ▲ 713.3K |
MORGAN STANLEY industrial instruments for measurement, display, and control | 4.01M | 1.73% | 1.73% | $688.12B | May 14, 2025 | ▲ 104.6K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2024 vs prior quarter
Q3 2024
27
Increased
+7.01M shares2
New Positions
first time holders20
Decreased
−6.21M shares0
Sold Out
fully exitedNet shares change (top 50)
+796.2K
+7.01M / −6.21M
Net new holders
+9
2 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
AME insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
2
Buy transactions
1
Sell transactions
2.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Oscher Ronald J CHIEF ADMINISTRATIVE OFFICER | May 27, 2026 | J-Other | 39,954 | — | — | 40.0K | Form 4 ↗ |
Oscher Ronald J CHIEF ADMINISTRATIVE OFFICER | May 27, 2026 | J-Other | 39,954 | — | — | 2.9K | Form 4 ↗ |
Stanage Nick L director | May 7, 2026 | Award | 760 | $234.73 | $178.4K | 760 | Form 4 ↗ |
AMATO THOMAS A director | Mar 24, 2026 | J-Other | 500 | — | — | 7.0K | Form 4 ↗ |
AMATO THOMAS A director | Mar 24, 2026 | Sale | 530 | $216.78 | $114.9K | 4.5K | Form 4 ↗ |
AMATO THOMAS A director | Mar 24, 2026 | J-Other | 500 | — | — | 4.0K | Form 4 ↗ |
Speranza Emanuela CHIEF COMMERCIAL OFFICER | Mar 22, 2026 | Tax Withhold | 155 | $209.37 | $32.5K | 30.5K | Form 4 ↗ |
Speranza Emanuela CHIEF COMMERCIAL OFFICER | Mar 19, 2026 | Tax Withhold | 104 | $211.50 | $22.0K | 30.3K | Form 4 ↗ |
ZAPICO DAVID A CHIEF EXECUTIVE OFFICER | Mar 19, 2026 | Tax Withhold | 1,412 | $211.50 | $298.6K | 345.7K | Form 4 ↗ |
ZAPICO DAVID A CHIEF EXECUTIVE OFFICER | Mar 22, 2026 | Tax Withhold | 2,092 | $209.37 | $438.0K | 343.6K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
AMETEK, Inc. (AME) is primarily owned by institutional investors, who hold approximately 86.9% of total shares outstanding. Company insiders own approximately 0.42%, while retail and public investors account for the remaining 12.70%.
The largest institutional shareholder of AMETEK, Inc. is VANGUARD GROUP INC, holding approximately 25.87 million shares — equal to 11.18% of outstanding shares — as of September 30, 2024.
A total of 932 institutional investors currently hold AME stock, with a combined institutional value of approximately $34.20 billion as of the most recent 13F filing period.
Frequently asked questions
AME ownershipAMETEK, Inc. (AME) is primarily owned by institutional investors, who hold approximately 86.9% of shares. The largest shareholder is VANGUARD GROUP INC with a 11.18% stake. Company insiders hold 0.42%. Data sourced from SEC Form 13F as of September 30, 2024.