CME Group Inc.
BG ˙ BUL ˙ US12572Q1058
SecurityBG:MX4A / CME Group Inc.
InstitutionImpax Asset Management Group plc
Latest Disclosed Ownership37,469 shares
Latest Disclosed Value $ 11,066,469
Impax Asset Management Group plc reports 38.14% decrease in ownership of MX4A / CME Group Inc.

On May 12, 2026 - Impax Asset Management Group plc filed a 13F-HR form disclosing ownership of 37,469 shares of CME Group Inc. (BG:MX4A) valued at $11,066,469 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 29, 2026 disclosing 60,571 shares of CME Group Inc.. This represents a change in shares of -38.14% 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)
2026-05-12 2026-03-31 13F CME Group Common Stock 12572Q105 37,469 -23,102 -38.14 11,066 -33.10 0.0771
2026-01-29 2025-12-31 13F CME Group Common Stock 12572Q105 60,571 3,899 6.88 16,541 8.02 0.1035
2025-11-06 2025-09-30 13F CME Group Common Stock 12572Q105 56,672 -6,049 -9.64 15,312 -11.42 0.0894
2025-08-08 2025-06-30 13F CME Group Common Stock 12572Q105 62,721 -39,914 -38.89 17,287 -36.51 0.0994
2025-04-29 2025-03-31 13F CME Group Common Stock 12572Q105 102,635 -42,689 -29.38 27,228 -19.32 0.1640
2025-02-04 2024-12-31 13F CME Group Common Stock 12572Q105 145,324 -45,805 -23.97 33,749 -19.98 0.1528
2024-11-06 2024-09-30 13F/A-1 CME Group Common Stock 12572Q105 191,129 -16,593 -7.99 42,173 3.27 0.1660
2024-10-30 2024-09-30 13F CME Group Common Stock 12572Q105 191,129 -16,593 42,173 0.1662
2024-11-08 2024-06-30 13F/A-1 CME Group Common Stock 12572Q105 207,722 -51,431 -19.85 40,838 -26.80 0.1662
2024-08-05 2024-06-30 13F CME Group Common Stock 12572Q105 207,722 -51,431 40,838 0.1664
2024-04-30 2024-03-31 13F CME Group Common Stock 12572Q105 259,153 -11,405 -4.22 55,793 -2.08 0.2135
2024-01-26 2023-12-31 13F CME Group Common Stock 12572Q105 270,558 -38,782 -12.54 56,980 -8.00 0.2287
2023-11-07 2023-09-30 13F/A-1 CME Group Common Stock 12572Q105 309,340 23,290 8.14 61,936 16.86 0.2767
2023-11-07 2023-09-30 13F CME Group Common Stock 12572Q105 309,340 61,936
2023-08-07 2023-06-30 13F CME Group Common Stock 12572Q105 286,050 146,338 104.74 53,002 98.09 0.2130
2023-05-10 2023-03-31 13F CME Group Common Stock 12572Q105 139,712 130,681 1,447.03 26,758 1,662.65 0.1118
2023-02-09 2022-12-31 13F CME Group Common Stock 12572Q105 9,031 -2,973 -24.77 1,519 -28.60 0.0068
2022-11-08 2022-09-30 13F CME Group Common Stock 12572Q105 12,004 1,252 11.64 2,126 -3.41 0.0109
2022-08-11 2022-06-30 13F/A-2 CME Group Common Stock 12572Q105 10,752 -1,828 -14.53 2,201 -26.44 0.0107
2022-08-02 2022-06-30 13F CME Group Common Stock 12572Q105 12,580 0 2,992 0.0124
2022-05-16 2022-03-31 13F CME Group Common Stock 12572Q105 12,580 434 3.57 2,992 7.86 0.0124
2022-02-14 2021-12-31 13F CME Group Common Stock 12572Q105 12,146 682 5.95 2,774 25.12 0.0101
2021-11-12 2021-09-30 13F CME Group Common Stock 12572Q105 11,464 22 0.19 2,217 -8.88 0.0091
2021-08-05 2021-06-30 13F CME Group Common Stock 12572Q105 11,442 -4 -0.03 2,433 4.06 0.0107
2021-05-14 2021-03-31 13F CME Group Common Stock 12572Q105 11,446 511 4.67 2,338 17.43 0.0120
2021-02-16 2020-12-31 13F CME Group Common Stock 12572Q105 10,935 10,935 1,991 0.0127
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.