SEC ownership of W.W. GRAINGER, INC.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000277135.

Comparable stake leader

VANGUARD CAPITAL MANAGEMENT LLC

Disclosed value leader

BlackRock, Inc.

Comparable rows

50/50

Latest evidence

12 May 2026

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
12 May 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0000277135
Issuer location
Lake Forest, IL

Ownership snapshot

Top shareholders of W.W. GRAINGER, INC. (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
12 May 2026
13D/G 13F 3/4/5 Lead comparable stake: 7% 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%.

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%
Susan Slavik Williams 5.7%
Donald G. Macpherson 0.23%
Paige K. Robbins 0.04%
Krantz Nancy L. Berardinelli 0.01%

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
7%
$3,612,119,473
3,311,410 shares
$0 31 Mar 2026
Susan Slavik Williams
13D/G 3/4/5
Director
5.7%
$2,847,547,904
2,794,042 shares
$0 31 Dec 2024
Donald G. Macpherson
3/4/5
Chairman and CEO, Director
0.23%
$109,724,097
108,740 shares
-$25,957,458 01 Apr 2026
Paige K. Robbins
3/4/5
Sr. VP
0.04%
$20,213,597
18,236 shares
-$1,795,450 12 May 2026
Krantz Nancy L. Berardinelli
3/4/5
Sr. VP & CLO
0.01%
$3,825,308
3,791 shares
-$199,666 01 Apr 2026
Melanie J. Tinto
3/4/5
SVP & Chief HR Officer
0.01%
$3,406,599
3,123 shares
01 May 2026
Jonny M. LeRoy
3/4/5
SVP, Chief Technology Officer
0%
$1,916,750
1,554 shares
-$1,547,757 12 May 2026
Laurie R. Thomson
3/4/5
VP, Controller
0%
$493,335
399 shares
-$385,519 12 May 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 selling over the last 12 months. Net value: -$34,034,286.

Buys
$0
Insiders: 0
Sells
$34,034,286
Insiders: 6
Net
-$34,034,286
Shares: -33,832
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 33,832
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 2,624 $0 $3,232,296 -$3,232,296
3-6 0 3,827 $0 $4,148,435 -$4,148,435
6-9 0 26,881 $0 $26,157,124 -$26,157,124
9-12 0 500 $0 $496,430 -$496,430

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-20 of 25 reporting-owner rows connected to W.W. GRAINGER, INC.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
25
Largest Forms 3/4/5 holder
Susan Slavik Williams
Net 12M change
-$34,034,285
Latest report
05 Jun 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Susan Slavik Williams Director $1,104,754,436 Mixed 01 Jun 2026
Donald G. Macpherson Chairman and CEO, Director $109,724,097 -$25,957,458 -19% Mixed 01 Apr 2026
Neil S. Novich Director $43,130,096 Mixed 05 Jun 2026
John L. Howard Sr. VP and General Counsel $31,712,951 Mixed 01 Apr 2022
Stuart L. Levenick Director $22,864,892 Mixed 01 Mar 2025
Michael James Roberts Director $22,081,992 Mixed 01 Mar 2023
Paige K. Robbins Sr. VP $20,213,597 -$1,795,450 -8.2% Mixed 12 May 2026
Brian P. Anderson Director $19,490,881 Mixed 01 Mar 2022
Ann Hailey V Director $14,910,039 Mixed 01 Mar 2024
Ernest Scott Santi Director $12,276,917 Mixed 01 Jun 2026
Deidra C. Merriwether Sr. VP & CFO $11,831,112 -$4,148,435 -26% Filing P/S 01 Apr 2026
Rodney C. Adkins Director $7,276,085 Mixed 01 Jun 2026
Lucas E. Watson Director $6,708,810 Mixed 01 Jun 2026
Beatriz R. Perez Director $5,836,978 Mixed 01 Jun 2026
Krantz Nancy L. Berardinelli Sr. VP & CLO $3,825,308 -$199,666 -5% Mixed 01 Apr 2026
Kathleen S. Carroll SVP & Chief HR Officer $3,420,802 Mixed 01 Apr 2023
Steven Andrew White Director $3,414,239 Mixed 01 Jun 2026
Melanie J. Tinto SVP & Chief HR Officer $3,406,599 Mixed 01 May 2026
Katherine D. Jaspon Director $2,164,813 Mixed 01 Jun 2026
Jonny M. LeRoy SVP, Chief Technology Officer $1,916,750 -$1,547,757 -45% Filing P/S 12 May 2026

Recent insider transactions for W.W. GRAINGER, INC.

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
Neil S. Novich GWW Deferred Stock Units Gift 33,644 33,644 05 Jun 2026 Family Trust
Neil S. Novich GWW Deferred Stock Units Gift -100% -33,644 0 05 Jun 2026 Direct
Steven Andrew White GWW Deferred Stock Units Gift 0.21% 6 2,919 01 Jun 2026 By Family Trust
Steven Andrew White GWW Deferred Stock Units Gift -100% -6 0 01 Jun 2026 Direct
Steven Andrew White GWW Deferred Stock Units Award 6 6 01 Jun 2026 Direct
Lucas E. Watson GWW Deferred Stock Units Award 0.2% 12 6,011 01 Jun 2026 Direct
Susan Slavik Williams GWW Deferred Stock Units Award 0.2% 5 2,469 01 Jun 2026 Direct
Ernest Scott Santi GWW Deferred Stock Units Award 0.2% 21 10,633 01 Jun 2026 Direct
Neil S. Novich GWW Deferred Stock Units Award 0.2% 67 33,644 01 Jun 2026 Direct
Cindy J. Miller GWW Deferred Stock Units Award 0.19% 1 536 01 Jun 2026 Direct
Christopher J. Klein GWW Deferred Stock Units Award 0.16% 1 616 01 Jun 2026 Direct
Katherine D. Jaspon GWW Deferred Stock Units Gift 0.16% 3 1,850 01 Jun 2026 Family Trust
Katherine D. Jaspon GWW Deferred Stock Units Gift -100% -3 0 01 Jun 2026 Direct
Katherine D. Jaspon GWW Deferred Stock Units Award 3 3 01 Jun 2026 Direct
George S. Davis GWW Deferred Stock Units Award 0.24% 3 1,260 01 Jun 2026 Direct
Rodney C. Adkins GWW Deferred Stock Units Award 0.2% 12 6,163 01 Jun 2026 Direct
Beatriz R. Perez GWW Deferred Stock Units Award 0.21% 11 5,355 01 Jun 2026 Direct
Laurie R. Thomson GWW Common Stock Sale -44% $385,519 $1231.69 -313 399 12 May 2026 Direct
Jonny M. LeRoy GWW Common Stock Sale -35.5% $1,051,327 $1231.06 -854 1,554 12 May 2026 Direct
Paige K. Robbins GWW Common Stock Sale -39.5% $1,795,450 $1232.29 -1,457 2,232 12 May 2026 Direct
Steven Andrew White GWW Deferred Stock Units Gift 11% 288 2,913 12 May 2026 By Family Trust
Steven Andrew White GWW Deferred Stock Units Gift -100% -288 0 12 May 2026 Direct
Katherine D. Jaspon GWW Deferred Stock Units Gift 18.5% 288 1,847 12 May 2026 Family Trust
Katherine D. Jaspon GWW Deferred Stock Units Gift -100% -288 0 12 May 2026 Direct
Melanie J. Tinto GWW Common Stock Tax liability -14.3% -522 3,123 01 May 2026 Direct
Susan Slavik Williams GWW Deferred Stock Units Award 13.2% 288 2,464 29 Apr 2026 Direct
Steven Andrew White GWW Deferred Stock Units Award 288 288 29 Apr 2026 Direct
Lucas E. Watson GWW Deferred Stock Units Award 5.04% 288 5,999 29 Apr 2026 Direct
Ernest Scott Santi GWW Deferred Stock Units Award 1.69% 176 10,612 29 Apr 2026 Direct
Beatriz R. Perez GWW Deferred Stock Units Award 4.8% 245 5,344 29 Apr 2026 Direct
Neil S. Novich GWW Deferred Stock Units Award 0.87% 288 33,577 29 Apr 2026 Direct
Cindy J. Miller GWW Deferred Stock Units Award 49% 176 535 29 Apr 2026 Direct
Christopher J. Klein GWW Deferred Stock Units Award 40.1% 176 615 29 Apr 2026 Direct
Katherine D. Jaspon GWW Deferred Stock Units Award 288 288 29 Apr 2026 Direct
George S. Davis GWW Deferred Stock Units Award 33.9% 318 1,257 29 Apr 2026 Direct
Rodney C. Adkins GWW Deferred Stock Units Award 2.95% 176 6,151 29 Apr 2026 Direct
Deidra C. Merriwether GWW Common Stock Sale -12.4% $1,658,042 $1114.28 -1,488 10,541 02 Apr 2026 Direct
Deidra C. Merriwether GWW Common Stock Tax liability -9.49% -1,152 10,993 01 Apr 2026 Direct
Deidra C. Merriwether GWW Common Stock Award 30.5% 2,946 12,612 01 Apr 2026 Direct
Melanie J. Tinto GWW Common Stock Award 26.5% 764 3,645 01 Apr 2026 Direct
Laurie R. Thomson GWW Common Stock Tax liability -16.4% -134 684 01 Apr 2026 Direct
Laurie R. Thomson GWW Common Stock Award 50.2% 268 802 01 Apr 2026 Direct
Paige K. Robbins GWW Common Stock Tax liability -26% -1,087 3,095 01 Apr 2026 Direct
Paige K. Robbins GWW Common Stock Award 139.2% 2,461 4,229 01 Apr 2026 Direct
Donald G. Macpherson GWW Common Stock Tax liability -3.52% -3,898 106,832 01 Apr 2026 Direct
Donald G. Macpherson GWW Common Stock Award 8.62% 8,753 110,293 01 Apr 2026 Direct
Jonny M. LeRoy GWW Common Stock Tax liability -14.5% -359 2,121 01 Apr 2026 Direct
Jonny M. LeRoy GWW Common Stock Award 61.4% 996 2,619 01 Apr 2026 Direct
Krantz Nancy L. Berardinelli GWW Common Stock Tax liability -19.1% -772 3,277 01 Apr 2026 Direct
Krantz Nancy L. Berardinelli GWW Common Stock Award 73.2% 1,766 4,180 01 Apr 2026 Direct
* marks a reported price that did not pass the local price check.
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