CME Group Inc.
BG ˙ BUL ˙ US12572Q1058
SecurityBG:MX4A / CME Group Inc.
InstitutionBraun Stacey Associates Inc
Latest Disclosed Ownership111,765 shares
Latest Disclosed Value $ 33,009,793
Braun Stacey Associates Inc reports 7.25% increase in ownership of MX4A / CME Group Inc.

On April 22, 2026 - Braun Stacey Associates Inc filed a 13F-HR form disclosing ownership of 111,765 shares of CME Group Inc. (BG:MX4A) valued at $33,009,793 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 20, 2026 disclosing 104,205 shares of CME Group Inc.. This represents a change in shares of 7.25% 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)
2026-04-22 2026-03-31 13F CME GROUP COM 12572Q105 111,765 7,560 7.25 33,010 16.00 1.0974
2026-01-20 2025-12-31 13F CME GROUP COM 12572Q105 104,205 6,951 7.15 28,456 8.29 0.9222
2025-10-21 2025-09-30 13F CME GROUP COM 12572Q105 97,254 7,336 8.16 26,277 6.03 0.8607
2025-08-12 2025-06-30 13F CME GROUP COM 12572Q105 89,918 89,918 24,783 0.8968
2022-04-28 2022-03-31 13F CME GROUP INC COM COM 12572Q105 0 -5,475 -100.00 0 -100.00
2022-01-25 2021-12-31 13F CME GROUP INC COM COM 12572Q105 5,475 -12,230 -69.08 1,251 -63.46 0.0456
2021-12-01 2021-09-30 13F CME GROUP INC COM COM 12572Q105 17,705 -11,554 -39.49 3,424 -44.97 0.1371
2021-07-23 2021-06-30 13F CME GROUP INC COM COM 12572Q105 29,259 -16,726 -36.37 6,222 -33.75 0.2423
2021-04-28 2021-03-31 13F CME GROUP INC COM COM 12572Q105 45,985 -21,655 -32.02 9,391 -23.74 0.3955
2021-02-03 2020-12-31 13F CME GROUP INC COM COM 12572Q105 67,640 -233 -0.34 12,314 8.44 0.5531
2020-10-27 2020-09-30 13F CME GROUP INC COM COM 12572Q105 67,873 1,817 2.75 11,356 5.77 0.6071
2020-08-06 2020-06-30 13F CME GROUP COM 12572Q105 66,056 4,559 7.41 10,737 0.97 0.6184
2020-06-09 2020-03-31 13F CME GROUP COM 12572Q105 61,497 -2,185 -3.43 10,634 -16.80 0.8106
2020-01-24 2019-12-31 13F CME GROUP INC COM COM 12572Q105 63,682 -44,473 -41.12 12,782 -44.08 0.7109
2019-10-31 2019-09-30 13F CME GROUP COM 12572Q105 108,155 -1,590 -1.45 22,858 7.30 1.4422
2019-07-25 2019-06-30 13F CME GROUP INC COM COM 12572Q105 109,745 -1,714 -1.54 21,302 16.13 1.3640
2019-04-25 2019-03-31 13F CME GROUP INC COM COM 12572Q105 111,459 406 0.37 18,344 -12.19 1.2187
2019-01-28 2018-12-31 13F CME GROUP INC COM COM 12572Q105 111,053 -8,559 -7.16 20,891 2.61 1.6553
2018-10-29 2018-09-30 13F CME GROUP INC COM COM 12572Q105 119,612 -1,298 -1.07 20,359 2.72 1.3011
2018-08-01 2018-06-30 13F CME GROUP INC COM COM 12572Q105 120,910 -4,648 -3.70 19,819 -2.41 1.3450
2018-05-01 2018-03-31 13F CME GROUP INC COM COM 12572Q105 125,558 -4,810 -3.69 20,308 6.66 1.3969
2018-01-30 2017-12-31 13F CME GROUP INC COM COM 12572Q105 130,368 -6,825 -4.97 19,040 2.29 1.2759
2017-10-25 2017-09-30 13F CME GROUP INC COM COM 12572Q105 137,193 -10,760 -7.27 18,614 0.46 1.2725
2017-07-28 2017-06-30 13F CME GROUP INC COM COM 12572Q105 147,953 -12,110 -7.57 18,529 -2.56 1.2026
2017-04-26 2017-03-31 13F CME GROUP INC COM COM 12572Q105 160,063 -13,315 -7.68 19,015 -4.92 1.2064
2017-01-26 2016-12-31 13F CME GROUP INC COM COM 12572Q105 173,378 -32,205 -15.67 19,999 -6.93 1.3138
2016-11-29 2016-09-30 13F CME GROUP INC COM COM 12572Q105 205,583 -2,355 -1.13 21,488 6.10 1.3633
2016-08-19 2016-06-30 13F CME GROUP INC COM COM 12572Q105 207,938 6,561 3.26 20,253 4.70 1.3118
2016-05-02 2016-03-31 13F CME GROUP INC COM COM 12572Q105 201,377 22,299 12.45 19,343 19.22 1.2622
2016-01-28 2015-12-31 13F CME GROUP INC COM COM 12572Q105 179,078 -4,694 -2.55 16,224 -4.81 1.0195
2015-12-01 2015-09-30 13F CME GROUP INC COM COM 12572Q105 183,772 -4,155 -2.21 17,043 -2.54 1.1432
2015-08-18 2015-06-30 13F CME GROUP INC COM COM 12572Q105 187,927 15,237 8.82 17,488 6.92 0.7447
2015-04-29 2015-03-31 13F CME GROUP INC COM COM 12572Q105 172,690 167,540 3,253.20 16,356 -95.82 0.9585
2013-08-06 2013-06-30 13F CME GROUP INC COM COMMON 12572Q105 5,150 5,150 391,143 0.0247
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.