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Who owns WDFC?

Institutional ownership of WD-40 Company from Form 13F, Q2 2026

385 institutional managers reported holding WD-40 Company (WDFC) in Form 13F filings for Q2 2026, with 11,762,593 shares worth $2.9B. The largest reported holder was BlackRock, Inc. Managers that filed both quarters cut a net 173,490 shares (-1.5%). 50 opened new positions and 44 sold out.

Funds holding
385
Value held
$2.9B
New / sold out
50 / 44
Net shares, same filers
-1.5%

Holdings as of June 30, 2026, the end of Q2 2026. Managers have 45 days after a quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

Largest holders of WDFC

FundValueShare of 13F holdingsSharesMove
BlackRock, Inc.$506M17.6%2,075,743Added
Vanguard Portfolio Management LLC$262M9.1%1,075,929Added
Kayne Anderson Rudnick Investment Management LLC$153M5.3%629,021Trimmed
Vanguard Capital Management LLC$147M5.1%604,460Trimmed
State Street Corp$134M4.7%549,199Added
Geode Capital Management, LLC$108M3.8%441,406Added
First Trust Advisors LP$84.9M3.0%348,519Trimmed
Alliancebernstein L.p.$77.0M3.2%377,541Trimmed
Dimensional Fund Advisors LP$75.9M2.6%311,574Added
Ameriprise Financial Inc$72.8M2.5%298,710Added
Thrivent Financial for Lutherans$67.2M2.3%275,985Trimmed
Morgan Stanley$61.6M2.1%252,684Trimmed
Goldman Sachs Group Inc$57.9M2.0%237,838Added
Geneva Capital Management LLC$54.3M1.9%222,836Trimmed
American Century Companies Inc$51.8M1.8%212,756Added
Two Sigma Investments, LP$50.0M1.7%205,314Added
Ophir Asset Management Pty Ltd$49.3M1.7%202,300Added
Royce & Associates LP$45.2M1.6%185,690Added
Renaissance Technologies LLC$42.9M1.5%176,076Trimmed
Northern Trust Corp$38.5M1.3%157,943Added
Charles Schwab Investment Management Inc$37.6M1.3%154,213Added
Conestoga Capital Advisors, LLC$30.7M1.1%126,199Trimmed
Bank of New York Mellon Corp$29.2M1.0%119,691Added
Nuveen, LLC$25.3M0.9%103,823Added
Vanguard Fiduciary Trust Co$23.6M0.8%96,780Added

Share of 13F holdings is each fund's shares as a share of the 11,762,593 WDFC shares all 13F filers reported, not of shares outstanding.

Biggest buyers in Q2 2026

  1. American Century Companies Inc Added+$47.2M
  2. Goldman Sachs Group Inc Added+$36.9M
  3. Ophir Asset Management Pty Ltd Added+$23.5M
  4. Two Sigma Investments, LP Added+$20.3M
  5. BlackRock, Inc. Added+$13.6M
  6. Ameriprise Financial Inc Added+$12.9M
  7. Vanguard Portfolio Management LLC Added+$9.2M
  8. Ceredex Value Advisors LLC New+$9.2M
  9. Geode Capital Management, LLC Added+$8.3M
  10. State Street Corp Added+$5.6M

Biggest sellers in Q2 2026

  1. Marshall Wace, LLP Trimmed-$26.4M
  2. Nordea Investment Management AB Sold out-$20.6M
  3. Alliancebernstein L.p. Trimmed-$18.8M
  4. Barclays PLC Trimmed-$17.8M
  5. Jane Street Group, LLC Sold out-$16.4M
  6. Millennium Management LLC Trimmed-$15.9M
  7. Conestoga Capital Advisors, LLC Trimmed-$15.6M
  8. First Trust Advisors LP Trimmed-$15.3M
  9. Geneva Capital Management LLC Trimmed-$14.5M
  10. Morgan Stanley Trimmed-$12.7M

The change in shares since the quarter before, adjusted for stock splits and priced at the Q2 2026 value per share. Funds bought $258M and sold $283M; 113 added and 124 trimmed.

Questions about WDFC ownership

Who owns WDFC stock?
385 institutional investment managers reported WDFC positions in their Form 13F filings for Q2 2026, holding 11,762,593 shares worth $2.9B in total. BlackRock, Inc. reported the largest position.
Are funds buying or selling WDFC?
In Q2 2026, 50 managers opened new WDFC positions, 113 added, 124 trimmed and 44 sold out. Managers that filed in both quarters sold a net 173,490 shares.
How current is this WDFC institutional ownership data?
It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

From the SEC's Form 13F data sets for Q2 2026: every 13F holdings report, matched to WDFC by CUSIP. Options are left out. WDFC news and filings · WDFC insider trades · Top funds