Canonical: https://ownershiptrace.com/13f/companies/1671

# Who owns IDEX CORP /DE/ (IDEX)? Elite investor 13F holders

8 tracked elite investors reported holding IDEX CORP /DE/ as of 2026-06-30, including Weitz Investment Management, Renaissance Technologies LLC, GAMCO, Gotham Asset Management, D.E. Shaw. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.

8 tracked investors currently reported holding · Latest report period: 2026-06-30 · Industrials · Capital Goods

IDEX Corporation, together with its subsidiaries, provides applied solutions in the United States, North America, Europe, Asia, and internationally. It operates through three segments: Health & Science Technologies (HST), Fluid & Metering Technologies (FMT) and Fire & Safety/Diversified Products (FSDP). The HST segment designs, produces, and distributes a range of precision fluidics, positive…

## Reported holders and securities, including exits (up to 20)

| Investor | Security | Instrument | Report period | Filed | Value | Quantity | Units | Change | Source |
|  --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| [Weitz Investment Management](https://ownershiptrace.com/13f/investors/83) | IDEX CORP | SHARE | 2026-06-30 | 2026-08-12 00:00:00 | 57282180.00 USD | 252400.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/883965/0001821268-26-000133-index.html) |
| [Renaissance Technologies LLC](https://ownershiptrace.com/13f/investors/63) | IDEX CORP | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 42059509.00 USD | 185325.000000 | Shares | add | [Original filing](https://www.sec.gov/Archives/edgar/data/1037389/0001037389-26-000059-index.html) |
| [GAMCO](https://ownershiptrace.com/13f/investors/137) | IDEX CORP | SHARE | 2026-06-30 | 2026-08-12 00:00:00 | 35341108.00 USD | 155722.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/807249/0001140361-26-032508-index.html) |
| [Gotham Asset Management](https://ownershiptrace.com/13f/investors/94672) | IDEX CORP | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 13849624.00 USD | 61025.000000 | Shares | add | [Original filing](https://www.sec.gov/Archives/edgar/data/1510387/0001398344-26-014644-index.html) |
| [D.E. Shaw](https://ownershiptrace.com/13f/investors/98) | IDEX CORP | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 741900.00 USD | 3269.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1009207/0001104659-26-097217-index.html) |
| [Tudor Investment](https://ownershiptrace.com/13f/investors/94675) | IDEX CORP | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 2827797.00 USD | 12460.000000 | Shares | add | [Original filing](https://www.sec.gov/Archives/edgar/data/923093/0000902664-26-003485-index.html) |
| [Mairs & Power Funds](https://ownershiptrace.com/13f/investors/54) | IDEX CORP | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 907800.00 USD | 4000.000000 | Shares | hold | [Original filing](https://www.sec.gov/Archives/edgar/data/1070134/0001172661-26-003496-index.html) |
| [Ancora Advisors / Ancora Holdings](https://ownershiptrace.com/13f/investors/101) | IDEX CORP | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 123234.00 USD | 543.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1446114/0001446114-26-000012-index.html) |

Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero.

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