IDEX Corporation
MX ˙ BMV ˙ US45167R1041
SecurityMX:IEX / IDEX Corporation
InstitutionRockefeller Capital Management L.P.
Latest Disclosed Ownership3,693 shares
Latest Disclosed Value $ 700,086
Rockefeller Capital Management L.P. reports 77.98% increase in ownership of IEX / IDEX Corporation

On May 14, 2026 - Rockefeller Capital Management L.P. filed a 13F-HR form disclosing ownership of 3,693 shares of IDEX Corporation (MX:IEX) valued at $700,086 USD as of March 31, 2026. The entity filed a previous 13F-HR/A on March 16, 2026 disclosing 2,075 shares of IDEX Corporation. This represents a change in shares of 77.98% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-14 2026-03-31 13F IDEX COM 45167R104 3,693 1,618 77.98 700 89.70 0.0006
2026-03-16 2025-12-31 13F/A-1 IDEX COM 45167R104 2,075 -723 -25.84 369 -18.90 0.0007
2026-02-14 2025-12-31 13F IDEX COM 45167R104 2,075 -723 369 0.0003
2025-11-14 2025-09-30 13F IDEX COM 45167R104 2,798 -75,828 -96.44 455 -96.70 0.0009
2025-08-14 2025-06-30 13F/A-1 IDEX COM 45167R104 78,626 -42,236 -34.95 13,804 -36.89 0.0303
2025-08-08 2025-06-30 13F IDEX COM 45167R104 78,626 -42,236 13,804 0.0174
2025-05-14 2025-03-31 13F IDEX COM 45167R104 120,862 11,816 10.84 21,873 -4.16 0.0540
2025-02-13 2024-12-31 13F IDEX COM 45167R104 109,046 109,046 22,823 0.0591
2024-08-12 2024-06-30 13F IDEX COM 45167R104 0 -11,280 -100.00 0 -100.00
2024-05-14 2024-03-31 13F IDEX COM 45167R104 11,280 -118 -1.04 2,753 11.24 0.0080
2024-02-14 2023-12-31 13F IDEX COM 45167R104 11,398 -793 -6.50 2,475 -2.44 0.0083
2023-11-14 2023-09-30 13F IDEX COM 45167R104 12,191 -87 -0.71 2,536 -4.05 0.0098
2023-08-14 2023-06-30 13F IDEX COM 45167R104 12,278 640 5.50 2,643 132,050.00 0.0102
2023-05-16 2023-03-31 13F IDEX COM 45167R104 11,638 8 0.07 3 -99.92 0.0116
2023-03-06 2022-12-31 13F IDEX COM 45167R104 11,630 63 0.54 2,655 14.89 0.0133
2022-11-02 2022-09-30 13F IDEX COM 45167R104 11,567 -3,386 -22.64 2,311 -14.88 0.0119
2022-08-12 2022-06-30 13F IDEX COM 45167R104 14,953 -371 -2.42 2,715 -7.59 0.0144
2022-05-13 2022-03-31 13F IDEX COM 45167R104 15,324 -13 -0.08 2,938 -18.93 0.0142
2022-02-14 2021-12-31 13F IDEX COM 45167R104 15,337 2,339 18.00 3,624 34.72 0.0169
2021-11-12 2021-09-30 13F IDEX COM 45167R104 12,998 4,927 61.05 2,690 51.55 0.0141
2021-08-10 2021-06-30 13F IDEX COM 45167R104 8,071 -210 -2.54 1,775 2.42 0.0100
2021-05-11 2021-03-31 13F IDEX COM 45167R104 8,281 240 2.98 1,733 8.24 0.0117
2021-02-12 2020-12-31 13F IDEX COM 45167R104 8,041 2,919 56.99 1,601 71.41 0.0121
2020-11-13 2020-09-30 13F IDEX COM 45167R104 5,122 1,396 37.47 934 58.57 0.0087
2020-08-12 2020-06-30 13F IDEX COM 45167R104 3,726 -813 -17.91 589 -6.06 0.0062
2020-05-12 2020-03-31 13F IDEX COM 45167R104 4,539 4,447 4,833.70 627 3,818.75 0.0082
2020-02-07 2019-12-31 13F IDEX COM 45167R104 92 59 178.79 16 220.00 0.0002
2019-11-12 2019-09-30 13F IDEX COM 45167R104 33 -78 -70.27 5 -73.68 0.0001
2019-08-09 2019-06-30 13F IDEX COM 45167R104 111 -744 -87.02 19 -85.38 0.0003
2019-05-10 2019-03-31 13F IDEX COM 45167R104 855 643 303.30 130 381.48 0.0019
2019-02-12 2018-12-31 13F IDEX COM 45167R104 212 0 0.00 27 -15.62 0.0005
2018-11-02 2018-09-30 13F IDEX Common 45167R104 212 0 0.00 32 10.34 0.0005
2018-07-31 2018-06-30 13F IDEX Common 45167R104 212 212 29 0.0005
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.