Latest Period
Q1 2026
Security Snapshot
WD 40 CO - Common Stock (WDFC) Institutional Ownership
CUSIP: 929236107
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
379
Shares (Excl. Options)
11,932,062
Price
$203.94
Save this security page for your next review
Keep this CUSIP in your watchlists so you can revisit quarter changes from one place. If you create an account from here, we will bring you back after verification.
- Security type / class
- Equity / Common Stock
- Symbol
- WDFC on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 11,932,062
- Total 13F value
- $2,430,020,945
- Portfolio coverage rank
- 0%
- Share change
- +284,232
- Value change
- +$60,254,234
- Number of holders
- 379
- Shares outstanding
- 13,488,023
- SEC-reported price per share
- $204.68
- Insider filing price
- $204.68
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- WDFC - WD 40 CO - Common Stock is tracked under CUSIP 929236107.
- 379 institutions reported positions in Q1 2026.
- 4 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 382 to 379 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $2,280,692,953 to $2,430,020,945.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 379 institutions filings for Q1 2026.
Security key
929236107
Latest holder period
Q1 2026
13F holders
379
13D/G owners
4
CIK / CUSIP context first
Open Q1 2026 holders
WDFC full holder history
WD 40 CO SEC filings
WD 40 CO company facts
WD 40 CO insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 929236107:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
4
Security
WDFC
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 14% | $381,514,619 | 1,930,742 | BlackRock, Inc. | 30 Sep 2025 | |||
| VANGUARD PORTFOLIO MANAGEMENT LLC | 7.8% | $214,131,506 | 1,049,971 | Vanguard Portfolio Management | 31 Mar 2026 | |||
| VANGUARD CAPITAL MANAGEMENT LLC | 5.3% | $144,689,596 | 709,470 | Vanguard Capital Management | 31 Mar 2026 | |||
| APG Asset Management US Inc. | 2.4% | -64% | $72,372,773 | -$155,525,607 | 324,004 | -68% | APG Asset Management US Inc. | 31 Mar 2025 |
As of 31 Mar 2026, 379 institutional investors reported holding 11,932,062 shares of WD 40 CO - Common Stock (WDFC). This represents 88% of the company’s total 13,488,023 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
68%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 15% | 2,019,975 | +0.19% | 0.01% | $411,953,615 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 7.7% | 1,038,139 | 0% | 0.01% | $211,718,068 |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 4.7% | 634,334 | +20% | 0.38% | $129,366,210 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.5% | 605,654 | 0% | 0% | $123,517,077 |
| STATE STREET CORP | 3.9% | 526,402 | +1.3% | 0% | $107,354,424 |
| ALLIANCEBERNSTEIN L.P. | 3.5% | 469,536 | -11% | 0.03% | $92,451,638 |
| FIRST TRUST ADVISORS LP | 3% | 411,312 | +42% | 0.06% | $83,882,968 |
| GEODE CAPITAL MANAGEMENT, LLC | 3% | 407,471 | +0.58% | 0.01% | $83,112,698 |
| MORGAN STANLEY | 2.3% | 304,783 | +58% | 0% | $62,157,817 |
| DIMENSIONAL FUND ADVISORS LP | 2.2% | 294,277 | +2.8% | 0.01% | $60,015,034 |
| GENEVA CAPITAL MANAGEMENT LLC | 2.1% | 282,449 | +19% | 1.2% | $57,602,721 |
| Thrivent Financial for Lutherans | 2% | 276,462 | +2874% | 0.11% | $56,382,000 |
| AMERIPRISE FINANCIAL INC | 1.8% | 245,819 | -2.3% | 0.01% | $50,128,657 |
| RENAISSANCE TECHNOLOGIES LLC | 1.5% | 203,476 | -19% | 0.06% | $41,496,895 |
| Conestoga Capital Advisors, LLC | 1.4% | 190,200 | -36% | 0.77% | $38,789,447 |
| ROYCE & ASSOCIATES LP | 1.3% | 180,847 | +9.5% | 0.36% | $36,881,937 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.1% | 152,259 | +3.4% | 0% | $31,051,700 |
| NORTHERN TRUST CORP | 1.1% | 146,443 | +2.3% | 0% | $29,865,586 |
| TWO SIGMA INVESTMENTS, LP | 0.9% | 121,810 | -5.8% | 0.02% | $24,841,931 |
| Bank of New York Mellon Corp | 0.88% | 118,568 | -1.9% | 0% | $24,180,572 |
| MARSHALL WACE, LLP | 0.88% | 118,388 | -4.8% | 0.03% | $24,144,050 |
| Ophir Asset Management Pty Ltd | 0.78% | 105,755 | 2.5% | $21,567,675 | |
| NORDEA INVESTMENT MANAGEMENT AB | 0.75% | 100,932 | 0.02% | $20,591,138 | |
| BARCLAYS PLC | 0.73% | 98,333 | +47% | 0.01% | $20,054,032 |
| VANGUARD FIDUCIARY TRUST CO | 0.7% | 93,779 | 0% | 0% | $19,125,289 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 11,932,062 | $2,430,020,945 | +$60,254,234 | $203.94 | 379 |
| 2025 Q4 | 11,580,624 | $2,280,692,953 | +$22,939,219 | $196.90 | 382 |
| 2025 Q3 | 11,519,297 | $2,274,556,621 | -$101,007,529 | $197.60 | 372 |
| 2025 Q2 | 11,992,122 | $2,731,148,069 | +$43,850,060 | $228.09 | 374 |
| 2025 Q1 | 11,815,651 | $2,877,313,223 | -$83,487,028 | $244.00 | 374 |
| 2024 Q4 | 12,214,952 | $2,955,704,149 | -$92,145,349 | $242.68 | 370 |
| 2024 Q3 | 12,580,257 | $3,202,034,252 | -$1,062,043 | $257.88 | 363 |
| 2024 Q2 | 12,598,582 | $2,741,332,886 | -$11,482,514 | $219.64 | 341 |
| 2024 Q1 | 12,650,616 | $3,170,349,695 | +$2,104,783 | $253.31 | 352 |
| 2023 Q4 | 12,647,288 | $2,983,972,733 | +$46,117,975 | $239.07 | 345 |
| 2023 Q3 | 12,466,372 | $2,533,685,678 | -$14,130,433 | $203.24 | 305 |
| 2023 Q2 | 12,546,687 | $2,341,306,279 | -$29,854,586 | $188.65 | 287 |
| 2023 Q1 | 12,708,701 | $2,239,880,084 | +$17,370,469 | $178.05 | 284 |
| 2022 Q4 | 12,645,609 | $2,039,020,168 | -$2,809,575 | $161.21 | 270 |
| 2022 Q3 | 12,656,215 | $2,229,369,135 | -$19,648,044 | $175.74 | 274 |
| 2022 Q2 | 12,744,412 | $2,550,919,584 | +$24,796,082 | $201.36 | 287 |
| 2022 Q1 | 12,682,393 | $2,293,974,496 | +$38,586,482 | $183.23 | 276 |
| 2021 Q4 | 12,440,628 | $2,992,293,306 | +$70,862,657 | $244.64 | 304 |
| 2021 Q3 | 12,140,788 | $2,757,055,258 | +$15,811,610 | $231.48 | 313 |
| 2021 Q2 | 12,061,605 | $3,023,390,111 | -$25,439,557 | $256.29 | 308 |
| 2021 Q1 | 12,145,315 | $3,640,745,632 | +$26,822,286 | $306.18 | 311 |
| 2020 Q4 | 12,015,374 | $3,132,805,429 | -$7,417,667 | $265.68 | 307 |
| 2020 Q3 | 11,946,486 | $2,239,706,916 | -$98,876,978 | $189.31 | 280 |
| 2020 Q2 | 12,491,267 | $2,459,063,316 | +$54,404,504 | $198.30 | 289 |
| 2020 Q1 | 12,221,422 | $2,452,586,579 | -$3,338,652 | $200.84 | 283 |