CDW Corp
CDW- Exchange
- Nasdaq
- Industry
- Retail-Catalog & Mail-Order Houses
- SEC CIK
- 0001402057
No open-market purchases or sales by CDW Corp insiders were filed in the last 90 days; 762 institutions reported holding it in 13F filings for Q2 2026, worth $18.9B in total; superinvestors Harris Associates (Oakmark) and Duquesne Family Office hold it.
Holders of 5% or more of CDW
Holders whose latest Schedule 13D or 13G filing reports 5% or more of CDW Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Vanguard Capital Management LLC | 13G | 7.57%9.75M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
| Vanguard Portfolio Management LLC | 13G | 6.37%8.20M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
| BlackRock Portfolio Management LLC | 13G | 5.90%7.32M shares | New | Oct 27, 20261 filing | Oct 27, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
21 Schedule 13D and 13G filings on CDW Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Oct 27, 20262:57 PM ET | BlackRock Portfolio Management LLC | 13G | 5.90%7.32M shares | New | Sep 30, 2026 | SEC |
| Apr 29, 20265:46 PM ET | Vanguard Capital Management LLC | 13G | 7.57%9.75M shares | New | Mar 31, 2026 | SEC |
| Apr 29, 202612:22 PM ET | Vanguard Portfolio Management LLC | 13G | 6.37%8.20M shares | New | Mar 31, 2026 | SEC |
| Mar 26, 20265:13 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | −12.78 ppfrom 12.78%Below 5% | Mar 13, 2026 | SEC |
| Jul 29, 202511:19 AM ET | Vanguard Group Inc | 13G/A | 12.78%16.8M shares | – | Jun 30, 2025 | SEC |
| Nov 12, 2024 | FMR LLC | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2024 | Select Equity Group, L.P. | 13G/AOld format | – | – | – | SEC |
| Feb 13, 2024 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2024 | FMR LLC | 13GOld format | – | New | – | SEC |
| Jan 25, 20244:59 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2023 | Select Equity Group, L.P. | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2023 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 3, 20234:27 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2022 | Select Equity Group, L.P. | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2022 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 4, 2022 | Wellington Management Group LLP | 13G/AOld format | – | – | – | SEC |
| Feb 2, 20227:11 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 12, 2021 | Select Equity Group, L.P. | 13GOld format | – | New | – | SEC |
| Feb 10, 2021 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 3, 2021 | Wellington Management Group LLP | 13GOld format | – | New | – | SEC |
| Jan 28, 20215:56 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
11 notices from officers, directors and other affiliates planning to sell CDW Corp shares, newest first.
| Filed (ET) | Seller | Shares to sell | Market value | Planned sale | Broker | Filing |
|---|---|---|---|---|---|---|
| Aug 7, 20263:26 PM ET | Connelly Elizabeth H.Officer | 26.7K | $3.67M | Aug 7, 2026 | Fidelity Brokerage Services LLC | SEC |
| Dec 8, 202512:13 PM ET | Chawla SonaOfficer | 7.40K | $1.08M | Dec 8, 2025 | Fidelity Brokerage Services LLC | SEC |
| May 13, 202511:55 AM ET | Kulevich Frederick J.Officer | 28.2K | $5.32M | May 13, 2025 | Fidelity Brokerage Services LLC | SEC |
| May 8, 20254:13 PM ET | Leahy Christine AOfficer · Director | 40.9K | $7.42M | May 8, 2025 | Fidelity Brokerage Services LLC | SEC |
| Jul 16, 20245:10 PM ET | Chawla SonaOfficer | 18.4K | $4.43M | Jul 16, 202410b5-1 | Fidelity Brokerage Services LLC | SEC |
| Jun 18, 20244:16 PM ET | Chawla SonaOfficer | 25.9K | $5.96M | Jun 18, 202410b5-1 | Fidelity Brokerage Services LLC | SEC |
| Mar 19, 20243:08 PM ET | Wiesenhahn CarolynFormer officer | 7.89K | $1.95M | Mar 19, 2024 | Fidelity Brokerage Services LLC | SEC |
| Dec 14, 20234:35 PM ET | Corley Christina MOfficer | 34.1K | $7.53M | Dec 14, 202310b5-1 | Fidelity Brokerage Services LLC | SEC |
| Dec 13, 20234:21 PM ET | Corley Christina MOfficer | 700 | $154.0K | Dec 13, 202310b5-1 | Fidelity Brokerage Services LLC | SEC |
| Nov 22, 202310:08 AM ET | Corley Christina MOfficer | 48.3K | $10.5M | Nov 22, 202310b5-1 | Fidelity Brokerage Services LLC | SEC |
| Nov 15, 202310:43 AM ET | Leahy Christine AOfficer · Director | 44.4K | $9.73M | Nov 15, 202310b5-1 | Fidelity Brokerage Services LLC | SEC |