# IDEX Corp (IEX) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 45167R104
Page URL: https://superinvestorclub.com/stock/IEX
Last updated: 2026-07-08T12:27:05.809Z

## Summary

As of the most recent 13F filing period, IDEX Corp (IEX) is held by 2 tracked superinvestors with an aggregate position value of $50.9M representing 02643004000 shares.

## Top institutional holders (2)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Wallace Weitz](https://superinvestorclub.com/manager/82) | Weitz Investment Management | 264300 | $50.1M | 3.50% | 2026-03-31 |
| 2 | [Mairs & Power](https://superinvestorclub.com/manager/92) | Mairs & Power | 4000 | $758,200 | 0.01% | 2026-03-31 |

## Ownership history (quarter-over-quarter)

- 2023-09-30: 1 holders, $13.9M aggregate, 066900 shares
- 2023-12-31: 1 holders, $14.5M aggregate, 066900 shares
- 2024-03-31: 2 holders, $107.6M aggregate, 037390266900 shares
- 2024-06-30: 3 holders, $121.0M aggregate, 03625012374001481 shares
- 2024-09-30: 3 holders, $139.2M aggregate, 03625012826504000 shares
- 2024-12-31: 3 holders, $145.9M aggregate, 03625013305004000 shares
- 2025-03-31: 2 holders, $73.3M aggregate, 04012254000 shares
- 2025-06-30: 1 holders, $71.3M aggregate, 0406225 shares
- 2025-09-30: 4 holders, $124.4M aggregate, 040647534434294594000 shares
- 2025-12-31: 3 holders, $295.0M aggregate, 012625503914754000 shares
- 2026-03-31: 2 holders, $50.9M aggregate, 02643004000 shares

## Recent congressional trades (13)

- 2025-10-31: Lisa McClain (Republican-MI) sale $1,001 - $15,000
- 2025-10-30: Lisa McClain (Republican-MI) sale $1,001 - $15,000
- 2025-10-30: Lisa McClain (Republican-MI) purchase $1,001 - $15,000
- 2025-08-04: Lisa McClain (Republican-MI) purchase $1,001 - $15,000
- 2025-08-04: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-04-23: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-03-31: Jefferson Shreve (Republican-IN) sale $15,001 - $50,000
- 2025-03-12: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-03-06: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-02-24: Jefferson Shreve (Republican-IN) sale $15,001 - $50,000
- 2025-02-19: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-01-17: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2024-11-12: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000

## Recent insider transactions (0)


## Citation

When citing, use: "IDEX Corp (IEX) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/IEX), aggregating SEC 13F, Form 4, and congressional disclosures."