SEC ownership of CDW Corp

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001402057.

Comparable stake leader

VANGUARD CAPITAL MANAGEMENT LLC

Disclosed value leader

BlackRock, Inc.

Comparable rows

50/50

Latest evidence

01 Jul 2026

Top shareholders Insider holders Latest transactions
Public ticker
CDW on Nasdaq
Parsed ownership sources
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
Largest SEC-reported holder
VANGUARD CAPITAL MANAGEMENT LLC
Ranking: Comparable ownership first, then disclosed value
Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
VANGUARD CAPITAL MANAGEMENT LLC
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
01 Jul 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001402057
Issuer location
Vernon Hills, IL

Ownership snapshot

Top shareholders of CDW Corp (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
VANGUARD CAPITAL MANAGEME...
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
01 Jul 2026
13D/G 13F 3/4/5 Lead comparable stake: 7.6% 13D/G row: VANGUARD CAPITAL MANAGEMENT LLC Showing 1-8 of 50 holder rows.

Quick read

VANGUARD CAPITAL MANAGEMENT LLC leads the comparable SEC ownership view at 7.6%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens VANGUARD CAPITAL MANAGEMENT LLC's linked filing trail.
Comparable ownership Top 5
VANGUARD CAPITAL MANAGEMENT LLC 7.6%
VANGUARD PORTFOLIO MANAGEMENT LLC 6.4%
Christine A. Leahy 0.16%
David W. Nelms 0.04%
Albert Joseph Miralles Jr. 0.04%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
VANGUARD CAPITAL MANAGEMENT LLC
13D/G 13F
Vanguard Capital Management · Company
13D/G 13F
7.6%
$1,179,692,552
9,747,914 shares
 $0 31 Mar 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
13D/G 13F
Vanguard Portfolio Management · Company
13D/G 13F
6.4%
$992,416,281
8,200,432 shares
 $0 31 Mar 2026
Christine A. Leahy
3/4/5
Chair, President, and Chief Executive Officer, Director
3/4/5
0.16%
$25,523,736
210,905 shares
 +$499,398 10 Jun 2026
David W. Nelms
3/4/5
Director
3/4/5
0.04%
$7,231,075
51,415 shares
 +$2,005,740 01 Jul 2026
Albert Joseph Miralles Jr.
3/4/5
Chief Financial Officer and Executive Vice President, Enterprise Business Operations
3/4/5
0.04%
$5,729,627
47,344 shares
 — 10 Jun 2026
Frederick J. Kulevich
3/4/5
Chief Legal Officer, Executive Vice President, Risk and Compliance, and Corporate Secretary
3/4/5
0.03%
$5,402,340
44,640 shares
 — 10 Jun 2026
Elizabeth H. Connelly
3/4/5
Chief Commercial Officer and Executive Vice President
3/4/5
0.03%
$4,140,754
34,215 shares
 — 10 Jun 2026
Hang Tan
3/4/5
Chief Strategy & Transformation Officer and EVP
3/4/5
0.03%
$4,110,648
33,967 shares
 — 10 Jun 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to buying over the last 12 months. Net value: +$1,423,480.

Buys
$2,505,138
Insiders: 2
Sells
$1,081,658
Insiders: 1
Net
+$1,423,480
Shares: +15,430
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 22,830 Shares: 7,400
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 22,830 0 $2,505,138 $0 +$2,505,138
3-6 0 0 $0 $0 $0
6-9 0 7,400 $0 $1,081,658 -$1,081,658
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-20 of 24 reporting-owner rows connected to CDW Corp. Open a relationship link for the CIK-to-CIK filing trail.

Rows
24
Largest Forms 3/4/5 holder
Christine A. Leahy
Net 12M change
+$1,423,480
Latest report
01 Jul 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Christine A. Leahy Chair, President, and Chief Executive Officer, Director $25,523,736 +$499,398 +2% Mixed 10 Jun 2026
Christina M. Corley Chief Commercial and Operating Officer $16,274,818 Mixed 10 Sep 2024
David W. Nelms Director $7,231,075 +$2,005,740 +38% Median 01 Jul 2026
Collin B. Kebo Senior Vice President and Chief Financial Officer $6,602,764 Mixed 16 Aug 2021
Albert Joseph Miralles Jr. Chief Financial Officer and Executive Vice President, Enterprise Business Operations $5,729,627 Mixed 10 Jun 2026
Paul J. Finnegan Director $5,432,959 Mixed 10 Mar 2023
Frederick J. Kulevich Chief Legal Officer, Executive Vice President, Risk and Compliance, and Corporate Secretary $5,402,340 Mixed 10 Jun 2026
Sona Chawla Chief Growth and Innovation Officer and Executive Vice President $4,209,924 -$1,081,658 -20% Mixed 10 Dec 2025
Elizabeth H. Connelly Chief Commercial Officer and Executive Vice President $4,140,754 Mixed 10 Jun 2026
Hang Tan Chief Strategy & Transformation Officer and EVP $4,110,648 Mixed 10 Jun 2026
James A. Bell Director $3,189,880 Mixed 10 Jun 2026
Donna F. Zarcone Director $3,098,615 Mixed 10 Mar 2026
Katherine Elizabeth Sanderson Chief Human Resources Officer and Executive Vice President, Coworker Success $2,964,927 Mixed 10 Jun 2026
Joseph Swedish Director $2,841,291 Median 01 Jul 2026
Mukesh Kumar Chief Services & Solutions Officer and Executive Vice President $2,623,435 Mixed 10 Jun 2026
Virginia C. Addicott Director $2,250,164 Mixed 10 Jun 2026
Lynda M. Clarizio Director $1,904,949 Mixed 10 Jun 2026
Sanjay Mehrotra Director $862,659 Mixed 10 Mar 2026
Anthony R. Foxx Director $814,245 Mixed 10 Jun 2026
Peter R. Locy Senior Vice President, Controller, and Chief Accounting Officer $716,577 Mixed 10 Jun 2026

Recent insider transactions for CDW Corp

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
David W. Nelms CDW Common Stock, par value $0.01 Award 0.45% 229 51,415 01 Jul 2026 Direct
Joseph Swedish CDW Common Stock, par value $0.01 Award 1.04% 208 20,202 01 Jul 2026 Direct
Marc Ellis Jones CDW Common Stock, par value $0.01 Award 0.49% 21.88 4,513 10 Jun 2026 Direct
Hang Tan CDW Common Stock, par value $0.01 Award 0.49% 165 33,967 10 Jun 2026 Direct
Lynda M. Clarizio CDW Common Stock, par value $0.01 Award 0.05% 7.88 15,741 10 Jun 2026 Direct
Christine A. Leahy CDW Common Stock, par value $0.01 Award 0.15% 298 193,655 10 Jun 2026 Direct
Mukesh Kumar CDW Common Stock, par value $0.01 Award 0.49% 105 21,678 10 Jun 2026 Direct
Peter R. Locy CDW Common Stock, par value $0.01 Award 0.31% 18.56 5,921 10 Jun 2026 Direct
Virginia C. Addicott CDW Common Stock, par value $0.01 Award 0.49% 90.14 18,593 10 Jun 2026 Direct
Frederick J. Kulevich CDW Common Stock, par value $0.01 Award 0.15% 65.3 44,640 10 Jun 2026 Direct
Albert Joseph Miralles Jr. CDW Common Stock, par value $0.01 Award 0.23% 108 47,344 10 Jun 2026 Direct
James A. Bell CDW Common Stock, par value $0.01 Award 0.4% 105 26,358 10 Jun 2026 Direct
Joseph Swedish CDW Common Stock, par value $0.01 Award 0.16% 30.95 19,994 10 Jun 2026 Direct
Kelly J. Grier CDW Common Stock, par value $0.01 Award 0.19% 7.88 4,062 10 Jun 2026 Direct
David W. Nelms CDW Common Stock, par value $0.01 Award 0.32% 161 51,186 10 Jun 2026 Direct
Katherine Elizabeth Sanderson CDW Common Stock, par value $0.01 Award 0.27% 65.26 24,499 10 Jun 2026 Direct
Elizabeth H. Connelly CDW Common Stock, par value $0.01 Award 0.26% 88.41 34,215 10 Jun 2026 Direct
Anthony R. Foxx CDW Common Stock, par value $0.01 Award 0.49% 32.61 6,728 10 Jun 2026 Direct
David W. Nelms CDW Common Stock, par value $0.01 Purchase 54.5% $2,005,740 $111.43 18,000 51,025 27 May 2026 Direct
Christine A. Leahy CDW Common Stock, par value $0.01 Purchase 2.56% $499,398 $103.40 4,830 193,357 18 May 2026 Direct
Hang Tan CDW Common Stock, par value $0.01 Award 33,802 33,802 11 May 2026 Direct
Peter R. Locy CDW Common Stock, par value $0.01 Award 49.3% 1,950 5,903 11 May 2026 Direct
David W. Nelms CDW Common Stock, par value $0.01 Award 0.72% 236 33,025 01 Apr 2026 Direct
Joseph Swedish CDW Common Stock, par value $0.01 Award 1.2% 236 19,963 01 Apr 2026 Direct
Katherine Elizabeth Sanderson CDW Common Stock, par value $0.01 Tax liability -0.03% -8.22 24,434 19 Mar 2026 Direct
Katherine Elizabeth Sanderson CDW Common Stock, par value $0.01 Tax liability -8.28% -2,205 24,436 16 Mar 2026 Direct
Frederick J. Kulevich CDW Common Stock, par value $0.01 Tax liability -2.57% -1,174 44,570 12 Mar 2026 Direct
Christine A. Leahy CDW Common Stock, par value $0.01 Tax liability -2.52% -4,873 188,506 12 Mar 2026 Direct
Peter R. Locy CDW Common Stock, par value $0.01 Tax liability -2.76% -112 3,952 12 Mar 2026 Direct
Albert Joseph Miralles Jr. CDW Common Stock, par value $0.01 Tax liability -4.13% -2,036 47,229 12 Mar 2026 Direct
Katherine Elizabeth Sanderson CDW Common Stock, par value $0.01 Tax liability -2.36% -645 26,641 12 Mar 2026 Direct
Elizabeth H. Connelly CDW Common Stock, par value $0.01 Tax liability -3.87% -1,373 34,121 12 Mar 2026 Direct
Joseph Swedish CDW Common Stock, par value $0.01 Award 0.16% 30.54 19,726 10 Mar 2026 Direct
Marc Ellis Jones CDW Common Stock, par value $0.01 Award 0.5% 22.43 4,490 10 Mar 2026 Direct
Donna F. Zarcone CDW Common Stock, par value $0.01 Award 0.35% 78.98 22,958 10 Mar 2026 Direct
Sanjay Mehrotra CDW Common Stock, par value $0.01 Award 0.3% 19.08 6,391 10 Mar 2026 Direct
David W. Nelms CDW Common Stock, par value $0.01 Award 0.5% 164 32,780 10 Mar 2026 Direct
Kelly J. Grier CDW Common Stock, par value $0.01 Award 0.34% 13.61 4,053 10 Mar 2026 Direct
Frederick J. Kulevich CDW Common Stock, par value $0.01 Award 0.18% 80.88 45,744 10 Mar 2026 Direct
Christine A. Leahy CDW Common Stock, par value $0.01 Award 0.19% 364 193,378 10 Mar 2026 Direct
Peter R. Locy CDW Common Stock, par value $0.01 Award 0.26% 10.54 4,064 10 Mar 2026 Direct
Albert Joseph Miralles Jr. CDW Common Stock, par value $0.01 Award 0.27% 134 49,265 10 Mar 2026 Direct
Katherine Elizabeth Sanderson CDW Common Stock, par value $0.01 Award 0.39% 105 27,286 10 Mar 2026 Direct
Anthony R. Foxx CDW Common Stock, par value $0.01 Award 0.5% 33.43 6,694 10 Mar 2026 Direct
Elizabeth H. Connelly CDW Common Stock, par value $0.01 Award 0.3% 107 35,494 10 Mar 2026 Direct
Lynda M. Clarizio CDW Common Stock, par value $0.01 Award 0.09% 13.61 15,732 10 Mar 2026 Direct
James A. Bell CDW Common Stock, par value $0.01 Award 0.43% 113 26,247 10 Mar 2026 Direct
Virginia C. Addicott CDW Common Stock, par value $0.01 Award 0.5% 92.37 18,498 10 Mar 2026 Direct
Mukesh Kumar CDW Common Stock, par value $0.01 Award 0.5% 108 21,566 10 Mar 2026 Direct
Sanjay Mehrotra CDW Common Stock, par value $0.01 Award 33.8% 1,609 6,372 05 Mar 2026 Direct
* marks a reported price that did not pass the local price check.
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