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, 2025
Ownership Breakdown
1,046
Institutional Holders
▲ 23 vs Q2
$37.41B
Total Inst. Value
▲ $581.99M vs Q2
229.20M
Shares Outstanding
freeFloat 99.58%
199.37M
13F Shares Held
▼ 4.30M 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 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC industrial instruments for measurement, display, and control | 27.17M | 11.77% | 11.77% | $5.11T | Nov 7, 2025 | ▲ 176.0K |
BLACKROCK, INC. industrial instruments for measurement, display, and control | 19.62M | 8.50% | 8.50% | $3.69T | Nov 12, 2025 | ▼ 171.1K |
PRICE T ROWE ASSOCIATES INC /MD/ industrial instruments for measurement, display, and control | 9.83M | 4.26% | 4.26% | $1.85T | Nov 14, 2025 | ▼ 768.9K |
STATE STREET CORP industrial instruments for measurement, display, and control | 9.76M | 4.23% | 4.23% | $1.84T | Nov 14, 2025 | ▲ 126.4K |
GEODE CAPITAL MANAGEMENT, LLC industrial instruments for measurement, display, and control | 5.85M | 2.54% | 2.54% | $1.10T | Nov 12, 2025 | ▲ 59.3K |
INVESCO LTD. industrial instruments for measurement, display, and control | 4.46M | 1.93% | 1.93% | $839.14B | Nov 13, 2025 | ▲ 209.0K |
JPMORGAN CHASE & CO industrial instruments for measurement, display, and control | 4.20M | 1.82% | 1.82% | $790.09B | Nov 26, 2025 | ▼ 545.4K |
FMR LLC industrial instruments for measurement, display, and control | 4.08M | 1.77% | 1.77% | $767.33B | Nov 13, 2025 | ▼ 411.0K |
MORGAN STANLEY industrial instruments for measurement, display, and control | 3.85M | 1.67% | 1.67% | $724.37B | May 27, 2026 | ▲ 87.8K |
FLOSSBACH VON STORCH AG industrial instruments for measurement, display, and control | 3.78M | 1.64% | 1.64% | $711.36B | Nov 3, 2025 | ▼ 1.8K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
28
Increased
+5.38M shares0
New Positions
first time holders21
Decreased
−7.38M shares0
Sold Out
fully exitedNet shares change (top 50)
2.00M
+5.38M / −7.38M
Net new holders
+7
0 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 87.0% of total shares outstanding. Company insiders own approximately 0.42%, while retail and public investors account for the remaining 12.60%.
The largest institutional shareholder of AMETEK, Inc. is VANGUARD GROUP INC, holding approximately 27.17 million shares — equal to 11.77% of outstanding shares — as of September 30, 2025.
A total of 1,046 institutional investors currently hold AME stock, with a combined institutional value of approximately $37.41 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 87.0% of shares. The largest shareholder is VANGUARD GROUP INC with a 11.77% stake. Company insiders hold 0.42%. Data sourced from SEC Form 13F as of September 30, 2025.