ESCO Technologies Inc
Ownership
Ownership Structure
Who owns ESCO Technologies Inc (ESE)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.4% of the shares are freely tradable; institutional investors hold 102.6%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 15.35 | 3,977,098 | +1.9 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 5.94 | 1,540,064 | +0.0 | 03/31/2026 |
| Amvescap Plc. | 4.85 | 1,256,565 | +19.7 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.48 | 1,161,744 | +0.0 | 03/31/2026 |
| State Street Corp | 4.00 | 1,036,832 | +3.2 | 03/31/2026 |
| Geode Capital Management, LLC | 2.44 | 633,219 | -0.1 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 6.09 | 1,578,244 | +0.0 | 08/31/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.19 | 825,882 | +0.3 | 07/31/2026 |
| iShares Russell 2000 ETF | 2.60 | 674,336 | -0.6 | 08/31/2026 |
| American Funds SMALLCAP World A | 2.56 | 662,465 | -30.3 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.