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Of the 17 tracked institutions holding AME, 10 have a 3-year clone track record — 9 of them beat the S&P. Average holder's clone alpha: +5.1pt. It's a gauge of who owns the name, not just how many.
Among the 17 tracked institutional investors we monitor, AME (AMETEK INC) is held with a combined value of $15.65B across 74,185,813 shares. The largest holder is VANGUARD GROUP INC with a position worth $5.58B (0.08% of their portfolio). 2 funds opened new positions in the most recent quarter. 7 funds increased their holdings. 8 funds reduced their position.
Total Institutional Value
$15.65B
Total Shares Held
74,185,813
Institutional Holders
17
% of Shares Outstanding
32.4%
of 229.20M shares · SEC 2026-04-24
Days to Cover
2.5-4.9%
3.37M shares short · FINRA 2026-06-30
Tracked 13F institutions hold 32.4% of AME's shares outstanding. This is a floor: 13F filings arrive on a ~45-day lag and we track only a subset of institutional filers, so true institutional ownership is higher. Shares-outstanding is the latest SEC cover-page figure (as of 2026-04-24), not a live float.
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $5.58B | 0.08% | -0.0% |
| 2 | BlackRock, Inc. | $4.04B | 0.07% | -4.2% |
| 3 | STATE STREET CORP | $2.16B | 0.07% | +1.3% |
| 4 | PRICE T ROWE ASSOCIATES INC /MD/ | $1.48B | 0.17% | -12.3% |
| 5 | FMR LLC | $934.24M | 0.05% | -3.1% |
| 6 | WELLINGTON MANAGEMENT GROUP LLP | $599.58M | 0.11% | -0.4% |
| 7 | CITADEL ADVISORS LLC | $309.76M | 0.22% | -16.7% |
| 8 | AQR CAPITAL MANAGEMENT LLC | $221.01M | 0.10% | +16.4% |
| 9 | Point72 Asset Management, L.P. | $80.14M | 0.14% | +199.0% |
| 10 | MILLENNIUM MANAGEMENT LLC | $79.93M | 0.03% | -54.1% |
| Member | Type | Date |
|---|---|---|
| Alan Armstrong | Buy | Mar 27, 2026 |
| Gilbert Cisneros | Sell | Feb 10, 2026 |
| Gilbert Cisneros | Buy | Jan 9, 2026 |
| Dan Newhouse | Buy |
As of the latest SEC 13F filings, VANGUARD GROUP INC is the largest institutional holder of AME with a position worth $5.58B, representing 0.08% of their portfolio. In total, 17 institutional investors hold AME with a combined value of $15.65B.
In the most recent quarter, 2 funds opened a new position in AME. Additionally, 7 increased their holdings and 8 reduced their positions.
Institutional investors hold $15.65B worth of AME stock across 17 positions. The largest institutional holder is VANGUARD GROUP INC with $5.58B in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For AME, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their AME positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
| Aug 18, 2025 |
| Rob Bresnahan | Sell | Apr 8, 2025 |
| Valerie Hoyle | Sell | Jan 24, 2025 |
| Valerie Hoyle | Buy | Oct 29, 2024 |
| Susan M Collins | Buy | May 24, 2017 |
Last Close
$241.97
2026-07-24
YTD
+15.7%
100% of 52-week range
