IDEX CORP (IEX) Institutional Ownership
IEX is currently held by 3 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $17.38M based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026.
The largest disclosed holder is Renaissance Technologies LLC, which reported ownership valued at approximately $16.02M in its March 31, 2026 13F filing. Based on current market prices and the latest disclosed share count, Renaissance Technologies LLC's IEX position is now estimated to be worth approximately $18.91M, representing an estimated gain of +18.01% since the filing period.
Major shareholders tracked on this page include Renaissance Technologies LLC, Mairs & Power Growth Fund, Sequoia Financial Advisors, and other prominent asset managers. Collectively, these investors account for approximately 100% of the total disclosed value among the investors covered in this analysis.
This page tracks asset manager ownership trends, hedge fund exposure, portfolio concentration, historical 13F filings, and estimated holding performance to help investors analyze smart money sentiment toward IDEX CORP (IEX).
Institutional Ownership Trend
| Portfolio quarter | Institutional holders | Total reported value | Total shares |
|---|---|---|---|
| Q1 2026 | 3 | $17,380,046 | 91,691 |
| Q4 2025 | 3 | $225,925,437 | 1,269,672 |
| Q3 2025 | 3 | $84,434,517 | 518,767 |
| Q2 2025 | 3 | $2,474,485 | 14,094 |
| Q1 2025 | 1 | $723,880 | 4,000 |
| Q4 2024 | 2 | $76,704,994 | 366,501 |
| Q3 2024 | 3 | $88,422,478 | 412,226 |
| Q2 2024 | 3 | $85,012,231 | 422,526 |
| Q1 2024 | 2 | $92,215,646 | 377,902 |
| Q4 2023 | 3 | $84,245,394 | 421,922 |
| Q3 2023 | 3 | $81,805,430 | 642,533 |
| Q2 2023 | 3 | $85,124,099 | 718,949 |
Related IEX Institutional Insights:
- IEX Institutional Ownership & Insiders Activity
- IEX Institutional Ownership & 13F Activity
- IEX Top Institutional Shareholders
- IEX Institutional Buying Activity
- IEX Institutional Selling Activity
- Industrials Sector Institutional Ownership
- Industrials Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Industrials Stocks By Institutional Investors
- Most Sold Industrials Stocks By Institutional Investors
- IEX Insider Trading & SEC Form 4 Activity
- Top Institutional Investor Stock Rankings