Entegris Inc
Ownership
Ownership Structure
Who owns Entegris Inc (ENTG)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.6% of the shares are freely tradable; institutional investors hold 112.3%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 12.70 | 19,406,238 | +8.5 | 03/31/2026 |
| T. Rowe Price Associates, Inc. | 7.60 | 11,618,818 | -20.7 | 03/31/2026 |
| Capital Research Global Investors | 7.34 | 11,207,917 | -1.4 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 5.07 | 7,752,655 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.46 | 6,814,340 | +0.0 | 03/31/2026 |
| Principal Financial Group Inc | 3.90 | 5,955,687 | +1.2 | 06/30/2026 |
| State Street Corp | 3.45 | 5,270,784 | +2.3 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| American Funds AMCAP A | 4.41 | 6,738,057 | -2.5 | 06/30/2026 |
| Capital Group AMCAP Composite | 4.41 | 6,738,057 | -2.5 | 06/30/2026 |
| iShares Core S&P Mid-Cap ETF | 3.50 | 5,340,853 | +0.0 | 08/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Reeder David | President & CEO | 91,821 | 13,066,128 $ | Aug 18, 2026 | direct |
| Rice Susan G. | SVP, Global Human Resources | 66,976 | 9,530,685 $ | Aug 11, 2026 | direct |
| Colella Joseph | SVP and General Counsel | 50,297 | 7,157,247 $ | Aug 13, 2026 | direct |
| Blachier Olivier | President, Materials Solutions | 34,997 | 4,980,039 $ | Aug 14, 2026 | direct |
| Bruggeworth Robert A | Director | 1,329 | 189,117 $ | Aug 3, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 18, 2026 | Reeder David | President & CEO | Other | 5,386 | 150.27 | 809,354 |
| Aug 14, 2026 | Blachier Olivier | President, Materials Solutions | Sell | 2,000 | 160.66 | 321,320 |
| Aug 14, 2026 | Blachier Olivier | President, Materials Solutions | Other | 2,000 | 80.71 | 161,420 |
| Aug 13, 2026 | Colella Joseph | SVP and General Counsel | Sell | 3,916 | 164.48 | 644,104 |
| Aug 13, 2026 | Colella Joseph | SVP and General Counsel | Other | 3,916 | 98.11 | 384,199 |
| Aug 11, 2026 | Rice Susan G. | SVP, Global Human Resources | Sell | 2,062 | 149.52 | 308,310 |
| Aug 3, 2026 | Bruggeworth Robert A | Director | Other | 1,329 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 18, 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.