SEC ownership of DONALDSON Co INC

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000029644.

Comparable stake leader

VANGUARD CAPITAL MANAGEMENT LLC

Disclosed value leader

BlackRock, Inc.

Comparable rows

50/50

Latest evidence

02 Oct 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
02 Oct 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0000029644
Issuer location
Bloomington, MN

Ownership snapshot

Top shareholders of DONALDSON Co 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
02 Oct 2026
13D/G 13F 3/4/5 Lead comparable stake: 5.2% 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 5.2%.

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 5.2%
Willard D. Oberton 0.03%
James J. Owens 0.02%
Andrew C. Dahlgren 0.02%
BlackRock, Inc. 10%

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
5.2%
$539,491,159
6,064,424 shares
$0 31 Mar 2026
Willard D. Oberton
3/4/5
Director
0.03%
$2,125,970
29,834 shares
— 07 Jul 2025
James J. Owens
3/4/5
Director
0.02%
$2,088,139
23,261 shares
-$1,765,184 02 Oct 2026
Andrew C. Dahlgren
3/4/5
President
0.02%
$2,668,005
19,956 shares
mixed-class rows
— 28 Aug 2025
BlackRock, Inc.
13F
Company
13F
10%
$1,072,011,983
11,941,762 shares
— 30 Jun 2026
STATE FARM MUTUAL AUTOMOBILE INSURANCE CO
13F
Company
13F
7.9%
$820,732,728
9,142,617 shares
— 30 Jun 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
13F
Company
13F
5.6%
$585,589,190
6,523,217 shares
— 30 Jun 2026
STATE STREET CORP
13F
Company
13F
4.3%
$451,644,989
5,031,135 shares
— 30 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 selling over the last 12 months. Net value: -$8,577,983.

Buys
$0
Insiders: 0
Sells
$8,577,983
Insiders: 5
Net
-$8,577,983
Shares: -95,766
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 95,766
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 35,000 $0 $3,188,197 -$3,188,197
3-6 0 19,674 $0 $1,753,993 -$1,753,993
6-9 0 20,726 $0 $1,761,573 -$1,761,573
9-12 0 20,366 $0 $1,874,221 -$1,874,221

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-20 of 27 reporting-owner rows connected to DONALDSON Co INC. Open a relationship link for the CIK-to-CIK filing trail.

Rows
27
Largest Forms 3/4/5 holder
Tod E. Carpenter
Net 12M change
-$8,577,984
Latest report
02 Oct 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Tod E. Carpenter Chairman, President and CEO, Director $29,628,319 -$3,188,197 -9.7% Mixed 24 Sep 2026
Amy C. Becker Chief Legal Officer $6,759,015 Mixed 01 Oct 2026
Richard B. Lewis President $6,431,319 Mixed 01 Oct 2026
Scott J. Robinson Chief Financial Officer $5,938,404 Mixed 01 Oct 2024
Michael J. Hoffman Director $4,246,531 Mixed 03 Jan 2022
John P. Wiehoff Director $4,141,182 Mixed 07 Oct 2022
Ajita G. Rajendra Director $3,989,429 -$1,822,392 -31% Mixed 02 Jan 2026
Guillermo Briseno President $3,832,321 -$1,750,382 -31% Mixed 26 Mar 2026
Sheila G. Kramer Chief Human Resources Officer $3,235,432 Mixed 01 Oct 2024
Trudy A. Rautio Director $2,695,154 Mixed 02 Oct 2026
Andrew C. Dahlgren President $2,668,005 Mixed 28 Aug 2025
Willard D. Oberton Director $2,125,970 Mixed 07 Jul 2025
James J. Owens Director $2,088,139 -$1,765,184 -46% Mixed 02 Oct 2026
Thomas R. Scalf President $1,968,409 Mixed 17 Mar 2025
Jeffrey E. Spethmann Senior Vice President $1,933,139 Mixed 22 Sep 2022
Christopher M. Hilger Director $1,631,469 Mixed 02 Oct 2026
Pilar Cruz Director $1,617,816 Mixed 02 Jan 2026
Douglas A. Milroy Director $1,468,689 Mixed 02 Jan 2026
Bart C. Driesen President $1,069,699 Mixed 01 Oct 2026
Darcy J. DeVincke Chief Human Resources Officer $1,027,657 Mixed 01 Oct 2026

Recent insider transactions for DONALDSON Co 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
Jacinth C. Smiley DCI Common Stock Award 3.24% 268 8,540 02 Oct 2026 Direct
Trudy A. Rautio DCI Common Stock Award 1.19% 336 28,541 02 Oct 2026 Direct
James J. Owens DCI Common Stock Award 1.17% 268 23,261 02 Oct 2026 Direct
Christopher M. Hilger DCI Common Stock Award 2.47% 402 16,692 02 Oct 2026 Direct
Bradley J. Pogalz DCI Employee Stock Option (right to buy) Award 24,100 24,100 01 Oct 2026 Direct
Richard B. Lewis DCI Employee Stock Option (right to buy) Award 84,200 84,200 01 Oct 2026 Direct
Bart C. Driesen DCI Employee Stock Option (right to buy) Award 12,800 12,800 01 Oct 2026 Direct
Darcy J. DeVincke DCI Employee Stock Option (right to buy) Award 10,400 10,400 01 Oct 2026 Direct
Andrew J. Cebulla DCI Employee Stock Option (right to buy) Award 4,624 4,624 01 Oct 2026 Direct
Amy C. Becker DCI Employee Stock Option (right to buy) Award 14,800 14,800 01 Oct 2026 Direct
Richard B. Lewis DCI Common Stock Tax liability -0.29% -149 50,817 24 Sep 2026 Direct
Richard B. Lewis DCI Common Stock Award 14.2% 6,340 50,966 24 Sep 2026 Direct
Bart C. Driesen DCI Common Stock Tax liability -18.2% -2,661 11,916 24 Sep 2026 Direct
Bart C. Driesen DCI Common Stock Award 44.2% 4,465 14,577 24 Sep 2026 Direct
Tod E. Carpenter DCI Common Stock Tax liability -5.57% -18,761 318,069 24 Sep 2026 Direct
Tod E. Carpenter DCI Common Stock Award 12.8% 38,131 336,830 24 Sep 2026 Direct
Amy C. Becker DCI Common Stock Tax liability -5.51% -2,944 50,503 24 Sep 2026 Direct
Amy C. Becker DCI Common Stock Award 12.6% 5,983 53,447 24 Sep 2026 Direct
Tod E. Carpenter DCI Common Stock Sale -9.67% $2,912,285 $91.10 -31,968 298,699 04 Sep 2026 Direct
Tod E. Carpenter DCI Common Stock Options Exercise 10.7% 31,968 330,667 04 Sep 2026 Direct
Tod E. Carpenter DCI Employee Stock Option (right to buy) Options Exercise -19.6% -31,968 131,500 04 Sep 2026 Direct
Tod E. Carpenter DCI Common Stock Sale -1% $275,912 $91.00 -3,032 298,699 31 Aug 2026 Direct
Tod E. Carpenter DCI Common Stock Options Exercise 1.02% 3,032 301,731 31 Aug 2026 Direct
Tod E. Carpenter DCI Employee Stock Option (right to buy) Options Exercise -1.82% -3,032 163,468 31 Aug 2026 Direct
Bradley J. Pogalz DCI Common Stock Tax liability -62% -2,129 1,305 27 Aug 2026 Direct
Bradley J. Pogalz DCI Common Stock Options Exercise 691.2% 3,000 3,434 27 Aug 2026 Direct
Bradley J. Pogalz DCI Employee Stock Option (right to buy) Options Exercise -100% -3,000 0 27 Aug 2026 Direct
Jacinth C. Smiley DCI Common Stock Award 3.35% 267 8,243 03 Jul 2026 Direct
Trudy A. Rautio DCI Common Stock Award 1.2% 334 28,106 03 Jul 2026 Direct
James J. Owens DCI Common Stock Award 1.18% 267 22,913 03 Jul 2026 Direct
Christopher M. Hilger DCI Common Stock Award 2.52% 400 16,244 03 Jul 2026 Direct
James J. Owens DCI Common Stock Sale -37.9% $1,226,905 $89.21 -13,753 22,565 14 Apr 2026 Direct
James J. Owens DCI Common Stock Options Exercise 86.1% 13,753 29,718 14 Apr 2026 Direct
James J. Owens DCI Stock Option (right to buy) Options Exercise -100% -13,753 0 14 Apr 2026 Direct
James J. Owens DCI Common Stock Sale -20.8% $527,087 $89.02 -5,921 22,565 13 Apr 2026 Direct
James J. Owens DCI Common Stock Options Exercise 26.2% 5,921 28,486 13 Apr 2026 Direct
James J. Owens DCI Stock Option (right to buy) Options Exercise -45.3% -5,921 7,153 13 Apr 2026 Direct
James J. Owens DCI Common Stock Sale -0.56% $11,191 $88.82 -126 22,565 10 Apr 2026 Direct
James J. Owens DCI Common Stock Options Exercise 0.56% 126 22,691 10 Apr 2026 Direct
James J. Owens DCI Stock Option (right to buy) Options Exercise -0.95% -126 13,074 10 Apr 2026 Direct
Jacinth C. Smiley DCI Common Stock Award 3.64% 279 7,948 03 Apr 2026 Direct
Trudy A. Rautio DCI Common Stock Award 1.28% 349 27,673 03 Apr 2026 Direct
James J. Owens DCI Common Stock Award 1.25% 279 22,565 03 Apr 2026 Direct
Christopher M. Hilger DCI Common Stock Award 2.72% 418 15,799 03 Apr 2026 Direct
Guillermo Briseno DCI Common Stock Sale -41.3% $1,750,382 $84.97 -20,600 29,267 26 Mar 2026 Direct
Guillermo Briseno DCI Common Stock Options Exercise 99.7% 20,600 41,267 26 Mar 2026 Direct
Guillermo Briseno DCI Employee Stock Option (right to buy) Options Exercise -100% -20,600 0 26 Mar 2026 Direct
Richard B. Lewis DCI Employee Stock Option (right to buy) Award 15,500 15,500 02 Mar 2026 Direct
Jacinth C. Smiley DCI Common Stock Award 17.7% 1,150 7,644 02 Jan 2026 Direct
Jacinth C. Smiley DCI Stock Option (right to buy) Award 3,000 3,000 02 Jan 2026 Direct
* marks a reported price that did not pass the local price check.
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