IDEX Corporation (IEX)
Who owns IDEX Corporation (IEX)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.7% of the shares are freely tradable; institutional investors hold 106.3%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 7.70 | 5,676,192 | -0.2 | 03/31/2026 |
| Vanguard Capital Management, LLC | 6.59 | 4,854,696 | +0.0 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 5.11 | 3,768,696 | +0.0 | 03/31/2026 |
| PRIMECAP Management Company | 4.48 | 3,302,937 | +2.4 | 03/31/2026 |
| State Street Corp | 4.35 | 3,205,396 | +1.0 | 03/31/2026 |
| Morgan Stanley - Brokerage Accounts | 4.20 | 3,099,129 | -5.1 | 03/31/2026 |
| Geode Capital Management, LLC | 2.84 | 2,090,784 | +2.7 | 03/31/2026 |
| Millennium Management LLC | 2.71 | 1,995,944 | +87.6 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Morn Total Stk Mkt Idx Investor | 3.17 | 2,349,660 | -0.6 | 06/30/2026 |
| Vanguard 500 Index Investor | 2.60 | 1,921,925 | -1.9 | 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: July 31, 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.