The largest holder of CDW stock is BlackRock Advisors LLC, with 11.5 million shares (9.19% of the company), worth about $1.74 billion as of September 25, 2026. The 10 largest holders together own 47.7%.
In Q2 2026, 790 institutional holdings reports listed shares worth $19.80 billion.
Insiders reported 138 transactions in the last two years: 3 sales worth $16.47 million and 2 purchases. The newest one on file is from September 10, 2026 (Grier Kelly J., Director).
Major holders as of September 25, 2026; quarterly totals from institutional holdings reports (latest Q2 2026); insider transactions on file through September 10, 2026.

2026Q2
| Holder | Shares | % of company | Value |
|---|---|---|---|
| BlackRock Advisors LLC | 11.5 million | 9.19% | $1.7B |
| Vanguard Capital Management LLC | 8.3 million | 6.67% | $1.3B |
| Vanguard Portfolio Management LLC | 8.2 million | 6.56% | $1.2B |
| State Street Corporation | 5.8 million | 4.62% | $876.0M |
| Harris Associates LP | 5.5 million | 4.43% | $840.0M |
| Boston Partners Global Investors, Inc. | 5.3 million | 4.21% | $797.0M |
| Geode Capital Management LLC | 3.9 million | 3.11% | $590.0M |
| Hotchkis & Wiley Capital Management LLC | 3.8 million | 3.02% | $573.0M |
| Invesco Advisers, Inc. | 3.8 million | 3.01% | $570.0M |
| Eaton Vance Management | 3.6 million | 2.86% | $541.0M |
As of September 25, 2026.
| Quarter | Reports | Shares | Value |
|---|---|---|---|
| Q2 2026 | 790 | – | $19.8B |
| Q1 2026 | 777 | 126.0 million | $15.3B |
| Q4 2025 | 825 | 124.0 million | $16.9B |
| Q3 2025 | 853 | 125.0 million | $19.9B |
| Q2 2025 | 890 | 126.0 million | $22.4B |
| Q1 2025 | 879 | 123.0 million | $19.7B |
| Q4 2024 | 897 | 124.0 million | $21.6B |
| Q3 2024 | 933 | 124.0 million | $28.1B |
Shares and value held by institutions that file quarterly holdings reports (options not included).
| Insider | Date | Title | Transaction | Value |
|---|---|---|---|---|
| Grier Kelly J. | Sep 10, 2026 | Director | Stock Award(Grant) at price 142.60 per share. | $1,024 |
| Sanderson Katherine Elizabeth | Sep 10, 2026 | Officer | Stock Award(Grant) at price 142.60 per share. | $34,658 |
| Kumar Mukesh | Sep 10, 2026 | Officer | Stock Award(Grant) at price 142.60 per share. | $27,422 |
| Tan Hang | Sep 10, 2026 | Officer | Stock Award(Grant) at price 142.60 per share. | $30,345 |
| Foxx Anthony R | Sep 10, 2026 | Director | Stock Award(Grant) at price 142.60 per share. | $4,237 |
| Locy Peter R | Sep 10, 2026 | Officer | Stock Award(Grant) at price 142.60 per share. | $4,200 |
| Kulevich Frederick J. | Sep 10, 2026 | Officer | Stock Award(Grant) at price 142.60 per share. | $26,334 |
| Jones Marc Ellis | Sep 10, 2026 | Director | Stock Award(Grant) at price 142.60 per share. | $2,842 |
| Connelly Elizabeth H | Sep 10, 2026 | Officer | Stock Award(Grant) at price 142.60 per share. | $33,922 |
| Nelms David W | Sep 10, 2026 | Director | Stock Award(Grant) at price 142.60 per share. | $21,046 |
| Miralles Albert Joseph Jr | Sep 10, 2026 | Officer | Stock Award(Grant) at price 142.60 per share. | $42,684 |
| Addicott Virginia Claire | Sep 10, 2026 | Director | Stock Award(Grant) at price 142.60 per share. | $11,712 |
Newest 12 of 138 insider transactions in the last two years.
BlackRock Advisors LLC, with 9.19% of the company (as of September 25, 2026). Next: Vanguard Capital Management LLC (6.67%) and Vanguard Portfolio Management LLC (6.56%).
790 institutional holdings reports listed CDW shares in Q2 2026 worth $19.80 billion.
In the last two years insiders reported 3 sales and 2 purchases (138 transactions in all); the newest on file is from September 10, 2026.