CME Group Inc.
BG ˙ BUL ˙ US12572Q1058
SecurityBG:MX4A / CME Group Inc.
InstitutionCapital Counsel Llc/ny
Latest Disclosed Ownership797,692 shares
Latest Disclosed Value $ 235,598,346
Capital Counsel Llc/ny reports 0.83% decrease in ownership of MX4A / CME Group Inc.

On May 14, 2026 - Capital Counsel Llc/ny filed a 13F-HR form disclosing ownership of 797,692 shares of CME Group Inc. (BG:MX4A) valued at $235,598,346 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 12, 2026 disclosing 804,343 shares of CME Group Inc.. This represents a change in shares of -0.83% 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 CME GROUP INC COM COM 12572Q105 797,692 -6,651 -0.83 235,598 7.26 10.0230
2026-02-12 2025-12-31 13F CME GROUP INC COM COM 12572Q105 804,343 12,606 1.59 219,650 2.68 8.3881
2025-11-13 2025-09-30 13F CME GROUP INC COM COM 12572Q105 791,737 -20,969 -2.58 213,919 -4.50 8.1996
2025-08-13 2025-06-30 13F CME GROUP INC COM COM 12572Q105 812,706 -7,242 -0.88 223,998 2.98 9.0871
2025-05-14 2025-03-31 13F CME GROUP INC COM COM 12572Q105 819,948 -5,612 -0.68 217,524 13.46 9.6367
2025-05-13 2024-12-31 13F/A-1 CME GROUP INC COM COM 12572Q105 825,560 -3,764 -0.45 191,720 4.77 8.1930
2025-02-13 2024-12-31 13F CME GROUP INC COM COM 12572Q105 825,560 -3,764 191,720 8.1947
2024-11-13 2024-09-30 13F CME GROUP INC COM COM 12572Q105 829,324 3,986 0.48 182,990 12.78 7.8711
2024-08-14 2024-06-30 13F CME GROUP INC COM COM 12572Q105 825,338 4,579 0.56 162,261 -8.17 7.2449
2024-05-15 2024-03-31 13F CME GROUP INC COM COM 12572Q105 820,759 36,164 4.61 176,701 6.94 8.1187
2024-02-14 2023-12-31 13F CME GROUP INC COM COM 12572Q105 784,595 -1,426 -0.18 165,236 4.99 8.1216
2023-11-14 2023-09-30 13F CME GROUP INC COM COM 12572Q105 786,021 5,914 0.76 157,377 8.88 8.7575
2023-08-14 2023-06-30 13F CME GROUP INC COM COM 12572Q105 780,107 5,584 0.72 144,546 -2.56 7.9641
2023-05-15 2023-03-31 13F CME GROUP INC COM COM 12572Q105 774,523 -15,263 -1.93 148,337 11.69 8.5264
2023-02-09 2022-12-31 13F CME GROUP INC COM COM 12572Q105 789,786 36,576 4.86 132,810 -0.45 8.3561
2022-11-14 2022-09-30 13F CME GROUP INC COM COM 12572Q105 753,210 9,621 1.29 133,416 -12.35 8.6342
2022-08-15 2022-06-30 13F CME GROUP INC COM COM 12572Q105 743,589 -373 -0.05 152,213 -13.98 9.2761
2022-05-16 2022-03-31 13F CME GROUP INC COM COM 12572Q105 743,962 841 0.11 176,959 4.23 8.4067
2022-02-14 2021-12-31 13F CME GROUP INC COM COM 12572Q105 743,121 -1,506 -0.20 169,773 17.90 7.1917
2021-11-12 2021-09-30 13F CME GROUP INC COM COM 12572Q105 744,627 -5,022 -0.67 143,996 -9.68 7.0854
2021-08-12 2021-06-30 13F CME GROUP INC COM COM 12572Q105 749,649 22,928 3.15 159,435 7.42 8.0082
2021-05-12 2021-03-31 13F CME GROUP INC COM COM 12572Q105 726,721 -1,250 -0.17 148,418 11.99 8.2695
2021-02-10 2020-12-31 13F CME GROUP INC COM COM 12572Q105 727,971 -33,570 -4.41 132,527 4.01 7.7625
2020-11-16 2020-09-30 13F CME GROUP INC COM COM 12572Q105 761,541 -2,447 -0.32 127,413 2.60 8.6050
2020-08-14 2020-06-30 13F CME GROUP INC COM COM 12572Q105 763,988 -25,767 -3.26 124,179 -9.06 9.0210
2020-05-15 2020-03-31 13F CME GROUP INC COM COM 12572Q105 789,755 -99,839 -11.22 136,557 -23.52 10.8566
2020-02-14 2019-12-31 13F CME GROUP INC COM COM 12572Q105 889,594 -10,817 -1.20 178,559 -6.17 11.8558
2019-11-14 2019-09-30 13F CME GROUP INC COM COM 12572Q105 900,411 15,201 1.72 190,293 10.75 13.3180
2019-08-14 2019-06-30 13F CME GROUP INC COM COM 12572Q105 885,210 -4,350 -0.49 171,828 17.37 11.5093
2019-05-15 2019-03-31 13F CME GROUP INC COM COM 12572Q105 889,560 4,391 0.50 146,404 -12.08 10.6957
2019-02-13 2018-12-31 13F CME GROUP INC COM COM 12572Q105 885,169 -9,455 -1.06 166,518 9.35 13.8123
2018-11-14 2018-09-30 13F CME GROUP INC COM COM 12572Q105 894,624 -1,985 -0.22 152,274 3.61 10.6221
2018-08-14 2018-06-30 13F CME GROUP INC COM COM 12572Q105 896,609 -2,832 -0.31 146,972 1.03 11.2159
2018-05-14 2018-03-31 13F CME GROUP INC COM COM 12572Q105 899,441 1,690 0.19 145,476 10.95 11.7714
2018-02-13 2017-12-31 13F CME GROUP INC COM COM 12572Q105 897,751 -2,002 -0.22 131,117 7.40 10.7792
2017-11-14 2017-09-30 13F CME GROUP INC COM COM 12572Q105 899,753 -5,570 -0.62 122,078 7.67 10.9252
2017-08-10 2017-06-30 13F CME GROUP INC COM COM 12572Q105 905,323 18,628 2.10 113,383 7.64 10.3274
2017-05-12 2017-03-31 13F CME GROUP INC COM COM 12572Q105 886,695 1,070 0.12 105,339 3.11 10.0280
2017-02-13 2016-12-31 13F CME GROUP INC COM COM 12572Q105 885,625 3,208 0.36 102,157 10.76 10.5646
2016-11-14 2016-09-30 13F CME GROUP INC COM COM 12572Q105 882,417 -8,124 -0.91 92,230 6.33 8.2342
2016-08-10 2016-06-30 13F CME GROUP INC COM COM 12572Q105 890,541 -31,353 -3.40 86,739 -2.04 7.9981
2016-05-13 2016-03-31 13F CME GROUP INC COM COM 12572Q105 921,894 -13,489 -1.44 88,548 4.49 8.0056
2016-02-11 2015-12-31 13F CME GROUP COM 12572Q105 935,383 -18,236 -1.91 84,746 -4.18 4.4957
2015-11-13 2015-09-30 13F CME GROUP COM 12572Q105 953,619 -3,168 -0.33 88,439 -0.67 4.6169
2015-09-28 2015-06-30 13F/A-1 CME GROUP COM 12572Q105 956,787 20,226 2.16 89,039 0.38 4.4078
2015-08-13 2015-06-30 13F CME GROUP COM 12572Q105 956,787 89,039
2015-05-13 2015-03-31 13F CME GROUP COM 12572Q105 936,561 -7,535 -0.80 88,702 5.98 4.2279
2015-02-11 2014-12-31 13F CME GROUP COM 12572Q105 944,096 -16,925 -1.76 83,694 8.92 3.9309
2014-11-12 2014-09-30 13F CME GROUP COM 12572Q105 961,021 -74,717 -7.21 76,838 4.56 4.3215
2014-08-12 2014-06-30 13F CME GROUP COM 12572Q105 1,035,738 6,145 0.60 73,486 -3.57 4.0062
2014-05-12 2014-03-31 13F CME GROUP COM 12572Q105 1,029,593 44,219 4.49 76,210 -1.43 4.1608
2014-02-12 2013-12-31 13F CME GROUP COM 12572Q105 985,374 -28,633 -2.82 77,312 3.20 4.3294
2013-11-07 2013-09-30 13F CME GROUP COM 12572Q105 1,014,007 64,622 6.81 74,915 3.90 4.3648
2013-08-09 2013-06-30 13F CME GROUP COM 12572Q105 949,385 949,385 72,106 4.3237
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.