13F Insight
DOSSIER · 13F Holders · Q1 2026Healthcare · Miscellaneous Chemical ProductsMega-capCrowded
WDFC

WD 40 CO

398 institutions still hold WD 40 CO as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 929236107·Miscellaneous Chemical Products·398 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 6.8%
vs prior quarter
13F value held
$1.7B
73.0% inst. owned
of float
Holders
398
-28 QoQ
filers reporting
Activity
+76 / −16
+887 added · −798 reduced
this quarter
Concentration
23.88%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

398 institutions reported WDFC in Q1 2026. BlackRock, Inc. leads at 23.9% of the visible book. -28 net institutions QoQ — distribution reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$412M2.0M0.01%Q1 202602
Vanguard Portfolio Management
CIK 0002100121· Index
$212M1.0M0.01%Q1 202603
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC
CIK 0001021223
$129M634K0.38%Q1 202604
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$124M606K0.00%Q1 202605
STATE STREET CORP
CIK 0000093751
$107M526K0.00%Q1 202606
ALLIANCEBERNSTEIN L.P.
CIK 0001109448
$92M470K0.03%Q1 202607
FIRST TRUST ADVISORS LP
CIK 0001125816· Index
$84M411K0.06%Q1 202608
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$83M407K0.01%Q1 202609
MORGAN STANLEY
CIK 0000895421
$62M305K0.00%Q1 202610
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$60M294K0.01%Q1 202611
GENEVA CAPITAL MANAGEMENT LLC
CIK 0001009232
$58M282K1.22%Q1 202612
AMERIPRISE FINANCIAL INC
CIK 0000820027
$50M246K0.01%Q1 202613
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$41M203K0.06%Q1 202614
Conestoga Capital Advisors, LLC
CIK 0001163744
$39M190K0.77%Q1 202615
ROYCE & ASSOCIATES LP
CIK 0000906304
$37M181K0.36%Q1 202616
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$31M152K0.00%Q1 202617
NORTHERN TRUST CORP
CIK 0000073124· Index
$30M146K0.00%Q1 202618
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$25M122K0.02%Q1 202619
MARSHALL WACE, LLP
CIK 0001318757
$24M124K0.02%Q4 202520
Bank of New York Mellon Corp
CIK 0001390777
$24M119K0.00%Q1 2026
Page 1 of 20
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