Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
727 institutional managers reported holding CDW for the quarter ended Mar 31, 2026. Together they hold about 95% of shares outstanding; the top 10 hold 48%. 101 opened new positions; 153 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 17.96M | 13.87% | $2.17B | added +2.9% | 2013 Q3 |
| BlackRock | 14.72M | 11.37% | $1.78B | added +7.8% | 2013 Q3 |
| State Street | 5.73M | 4.43% | $693.8M | trimmed -0.9% | 2013 Q3 |
| Harris Associates (Oakmark) | 5.38M | 4.16% | $651.6M | added +18.9% | 2025 Q2 |
| Boston Partners | 3.94M | 3.04% | $476.5M | added +4.2% | 2023 Q2 |
| Geode Capital | 3.79M | 2.93% | $458.7M | added +2.9% | 2013 Q3 |
| Morgan Stanley | 3.00M | 2.31% | $362.7M | added +48.9% | 2013 Q3 |
| Invesco | 2.66M | 2.06% | $322.3M | added +28.3% | ≤2013 |
| Allspring Global Investments Holdings, LLC | 2.54M | 1.96% | $307.2M | added +31% | 2021 Q4 |
| Longview Partners (Guernsey) LTD (focused) | 2.30M | 1.78% | $278.7M | trimmed -10.1% | 2021 Q4 |
| Janus Henderson | 2.13M | 1.64% | $257.3M | trimmed -1.3% | 2014 Q3 |
| Hotchkis & Wiley Capital Management LLC | 2.03M | 1.57% | $245.4M | opened | 2026 Q1 |
| Victory Capital Management INC | 2.00M | 1.54% | $242.2M | added +1487.6% | 2014 Q4 |
| UBS | 1.70M | 1.31% | $205.9M | added +6.7% | 2013 Q3 |
| Citadel Advisors | 1.57M | 1.21% | $190.4M | added +55% | 2017 Q4 |
| T. Rowe Price | 1.51M | 1.17% | $183.0M | trimmed -4.6% | 2014 Q1 |
| Fiduciary Management INC /WI/ | 1.44M | 1.11% | $174.7M | added +41% | 2022 Q1 |
| FIL LTD | 1.43M | 1.10% | $172.8M | trimmed -36.1% | 2018 Q1 |
| FMR (Fidelity) | 1.29M | 1.00% | $156.6M | added +134% | 2013 Q3 |
| Bank OF America CORP /DE/ | 1.26M | 0.97% | $152.4M | added +28.8% | 2013 Q3 |
| Northern Trust | 1.26M | 0.97% | $152.2M | trimmed -3.4% | 2013 Q3 |
| Dimensional Fund Advisors | 1.23M | 0.95% | $148.7M | trimmed -10.5% | 2014 Q4 |
| Select Equity Group | 1.20M | 0.92% | $144.7M | trimmed -47.5% | 2018 Q2 |
| AQR Capital | 1.16M | 0.89% | $139.8M | added +490.8% | 2014 Q1 |
| Pzena Investment Management | 1.12M | 0.86% | $135.0M | opened | 2026 Q1 |
| Madison Asset Management, LLC | 1.11M | 0.85% | $133.8M | trimmed -4.3% | 2014 Q2 |
| Mawer Investment Management LTD. | 1.05M | 0.81% | $127.3M | trimmed -41.2% | 2020 Q2 |
| Two Sigma | 1.02M | 0.79% | $123.3M | added +84.8% | 2024 Q2 |
| Goldman Sachs | 1.00M | 0.77% | $121.2M | added +8.7% | 2013 Q3 |
| Fenimore Asset Management INC | 891.1k | 0.69% | $107.9M | trimmed -22.6% | 2014 Q1 |
| Charles Schwab Investment Management | 890.4k | 0.69% | $107.8M | added +5% | 2013 Q3 |
| Legal & General Group PLC | 879.7k | 0.68% | $106.5M | added +5% | 2014 Q3 |
| Deutsche Bank AG\ | 868.9k | 0.67% | $105.2M | added +16.1% | 2013 Q3 |
| Mondrian Investment Partners LTD | 779.2k | 0.60% | $94.3M | trimmed -1.6% | 2023 Q3 |
| Hsbc Holdings PLC | 778.6k | 0.60% | $94.3M | added +72.6% | 2015 Q1 |
| Natixis Advisors, LLC | 777.9k | 0.60% | $94.2M | added +25.4% | 2015 Q1 |
| Neuberger Berman Group LLC | 765.5k | 0.59% | $92.7M | trimmed -16.4% | 2013 Q4 |
| MFS Investment Management | 751.6k | 0.58% | $91.0M | trimmed -27.7% | 2024 Q3 |
| Jones Financial Companies Lllp | 712.6k | 0.55% | $86.3M | added +35566.7% | 2020 Q4 |
| Qube Research & Technologies LTD | 643.3k | 0.50% | $77.9M | added +22.2% | 2021 Q3 |
| Alyeska Investment Group | 624.4k | 0.48% | $75.6M | added +13.8% | 2024 Q3 |
| BNY Mellon | 606.6k | 0.47% | $73.4M | trimmed -22.1% | 2013 Q3 |
| Royal Bank OF Canada | 588.3k | 0.45% | $71.2M | added +4.1% | 2014 Q2 |
| American Century Companies INC | 557.7k | 0.43% | $67.5M | trimmed -16.1% | 2016 Q1 |
| Amundi | 529.7k | 0.41% | $64.1M | trimmed -17.9% | 2016 Q2 |
| Voloridge Investment Management | 525.3k | 0.41% | $63.6M | added +4.9% | 2024 Q4 |
| Renaissance Technologies | 523.0k | 0.40% | $63.3M | added +128.9% | 2024 Q4 |
| Wells Fargo & COMPANY/MN | 477.3k | 0.37% | $57.8M | added +29.4% | 2013 Q3 |
| D. E. Shaw | 458.2k | 0.35% | $55.5M | trimmed -57.6% | 2013 Q3 |
| Wellington Management | 440.3k | 0.34% | $53.3M | trimmed -5.7% | 2013 Q3 |
Largest 50 of 727 shown; the full ranked, searchable register is at boothcheck.com/holders/CDW. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.