CDW Corporation
MX ˙ BMV ˙ US12514G1085
SecurityMX:CDW / CDW Corporation
InstitutionBoston Partners
Latest Disclosed Ownership3,935,998 shares
Latest Disclosed Value $ 476,354,336
Boston Partners reports 4.22% increase in ownership of CDW / CDW Corporation

On May 11, 2026 - Boston Partners filed a 13F-HR form disclosing ownership of 3,935,998 shares of CDW Corporation (MX:CDW) valued at $476,354,336 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 3,776,609 shares of CDW Corporation. This represents a change in shares of 4.22% 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)
2026-05-11 2026-03-31 13F CDW COM 12514G108 3,935,998 159,389 4.22 476,354 -7.39 0.2132
2026-02-13 2025-12-31 13F CDW COM 12514G108 3,776,609 1,044,780 38.24 514,349 18.19 0.5325
2025-11-13 2025-09-30 13F CDW COM 12514G108 2,731,829 942,816 52.70 435,205 36.25 0.4468
2025-08-12 2025-06-30 13F/A-1 CDW COM 12514G108 1,789,013 1,544,856 632.73 319,412 716.59 0.3547
2025-08-07 2025-06-30 13F CDW COM 12514G108 1,788,142 1,543,985 319,256 0.1466
2025-05-13 2025-03-31 13F CDW COM 12514G108 244,157 -3,184 -1.29 39,116 -9.21 0.0473
2025-02-11 2024-12-31 13F CDW COM 12514G108 247,341 -408,762 -62.30 43,084 -70.98 0.0524
2024-11-12 2024-09-30 13F CDW COM 12514G108 656,103 5,542 0.85 148,459 1.94 0.1752
2024-08-14 2024-06-30 13F CDW COM 12514G108 650,561 -157,029 -19.44 145,635 -29.48 0.1809
2024-05-28 2024-03-31 13F/A-1 CDW COM 12514G108 807,590 15,178 1.92 206,519 14.65 0.2460
2024-05-13 2024-03-31 13F CDW COM 12514G108 807,590 15,178 206,519 0.1022
2024-02-07 2023-12-31 13F CDW COM 12514G108 792,412 -24,504 -3.00 180,130 9.29 0.2386
2023-11-08 2023-09-30 13F CDW COM 12514G108 816,916 -9,824 -1.19 164,817 8.61 0.2282
2023-08-10 2023-06-30 13F CDW COM 12514G108 826,740 826,740 151,752 0.2043
2021-02-10 2020-12-31 13F/A-1 CDW COM 12514G108 0 -73,652 -100.00 0 -100.00
2020-11-09 2020-09-30 13F CDW COM 12514G108 73,652 0 0.00 8,557 0.00 0.0157
2020-08-12 2020-06-30 13F CDW COM 12514G108 73,652 -45,276 -38.07 8,557 -22.85 0.0157
2020-05-13 2020-03-31 13F CDW COM 12514G108 118,928 -142,796 -54.56 11,092 -70.33 0.0220
2020-02-06 2019-12-31 13F/A-1 CDW COM 12514G108 261,724 -114,122 -30.36 37,385 -19.29 0.0494
2020-02-05 2019-12-31 13F CDW COM 12514G108 261,724 -114,122 37,385 21,018.9389
2019-11-20 2019-09-30 13F/A-1 CDW COM 12514G108 375,846 -78,199 -17.22 46,320 -8.10 0.0627
2019-11-08 2019-09-30 13F CDW COM 12514G108 446,119 -7,926 49,715 0.0658
2019-08-26 2019-06-30 13F/A-1 CDW COM 12514G108 454,045 -51,929 -10.26 50,401 3.36 0.0661
2019-08-09 2019-06-30 13F CDW COM 12514G108 454,045 -51,929 50,401
2019-05-13 2019-03-31 13F/A-1 CDW COM 12514G108 505,974 -1,542 -0.30 48,761 18.54 0.0646
2019-05-03 2019-03-31 13F CDW COM 12514G108 505,974 -1,542 48,761
2019-02-07 2018-12-31 13F CDW COM 12514G108 507,516 -15,769 -3.01 41,134 -11.60 0.0591
2018-11-14 2018-09-30 13F CDW COM 12514G108 523,285 -25,710 -4.68 46,531 4.91 0.0541
2018-08-03 2018-06-30 13F CDW COM 12514G108 548,995 37,928 7.42 44,353 23.43 0.0532
2018-05-04 2018-03-31 13F CDW COM 12514G108 511,067 -143,559 -21.93 35,933 -21.01 0.0433
2018-02-14 2017-12-31 13F/A-1 CDW COM 12514G108 654,626 63,255 10.70 45,490 16.55 0.0536
2018-02-01 2017-12-31 13F CDW COM 12514G108 654,626 63,255 45,490
2017-11-02 2017-09-30 13F CDW COM 12514G108 591,371 583 0.10 39,030 5.65 0.0482
2017-08-02 2017-06-30 13F CDW COM 12514G108 590,788 -228,758 -27.91 36,942 -21.89 0.0470
2017-05-03 2017-03-31 13F CDW COM 12514G108 819,546 -449,519 -35.42 47,296 -28.45 0.0604
2017-02-06 2016-12-31 13F CDW COM 12514G108 1,269,065 -432,427 -25.41 66,106 -15.04 0.0869
2016-11-09 2016-09-30 13F CDW COM 12514G108 1,701,492 29,261 1.75 77,809 16.09 0.1088
2016-08-05 2016-06-30 13F CDW COM 12514G108 1,672,231 141,976 9.28 67,023 5.54 0.0968
2016-05-12 2016-03-31 13F CDW COM 12514G108 1,530,255 162,795 11.90 63,506 10.47 0.0935
2016-02-08 2015-12-31 13F CDW COM 12514G108 1,367,460 -19,882 -1.43 57,488 1.41 0.0823
2015-11-10 2015-09-30 13F CDW COM 12514G108 1,387,342 319,793 29.96 56,687 54.90 0.0864
2015-08-10 2015-06-30 13F CDW COM 12514G108 1,067,549 89,657 9.17 36,596 0.49 0.0526
2015-05-05 2015-03-31 13F CDW COM 12514G108 977,892 -31,111 -3.08 36,417 2.62 0.0542
2015-02-09 2014-12-31 13F CDW COM 12514G108 1,009,003 -25,131 -2.43 35,487 10.52 0.0533
2014-11-12 2014-09-30 13F CDW COM 12514G108 1,034,134 96,574 10.30 32,110 7.43 0.0521
2014-08-08 2014-06-30 13F CDW COM 12514G108 937,560 60,661 6.92 29,889 24.22 0.0501
2014-05-07 2014-03-31 13F CDW COM 12514G108 876,899 116,687 15.35 24,062 35.49 0.0439
2014-02-06 2013-12-31 13F CDW COM 12514G108 760,212 306,685 67.62 17,759 71.52 0.0364
2013-11-12 2013-09-30 13F CDW COM 12514G108 453,527 453,527 10,354 0.0250
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.