1 institutions reported holding $435,965 of IDEX CORP (IDM1Z) in SEC 13F filings for 2026-03-31. Largest institutional holders: SIMPLEX TRADING, LLC ($435,965). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SIMPLEX TRADING, LLC | $435,965 | 2,300 | Trimmed |
Source: SEC Form 13F filings · as of 2026-03-31