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WD-40 WDFC

US equityMarket cap rank #2556Specialty Chemicals
$205.86 +$2.84 (+1.40%)
Market closed · Oct 6, 4:10 am ET · Last extended-hours $205.86 0.00%
Open$202.80
Prev close$203.02
Day range$201.80 – $206.35
Volume116.8K
Market cap$2.76B
P/E (TTM)31.3
Dividend yield1.90%

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership88.4%+0.16 pts vs. prior quarter
Institutions holding438+2 vs. prior quarter
Insider trades (recent)36 buys / 10 sellsNet buying
Short interest4.13% of floatDays to cover 5.0 · as of 15 Sep 2026
Short-sale volume share21.5%5-day average of daily volume

Short-sale volume as % of daily volume

17%20%23%26%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$4.85M (8 inflow days, 12 outflow days).

The five largest holders on file together own 37.5% of shares outstanding.

Largest holders

  • BlackRock15.47%
  • Vanguard Portfolio Management, LLC8.02%
  • Vanguard Capital Management, LLC5.22%
  • Kayne Anderson Rudnick Investment Management, LLC4.69%
  • State Street Global Advisors4.09%
  • Geode Capital Management, LLC3.29%
  • AllianceBernstein2.81%
  • First Trust Advisors L.P.2.60%

By investor type

  • Mutual Fund77.03%
  • Hedge Fund5.15%
  • Public Company3.21%
  • Government Pension Fund1.49%
  • Insurance Company0.59%
  • Private Company0.56%
  • Individual/Insider0.36%
  • Family Office/Trust0.22%

Reported short interest has risen from 3.91% to 4.13% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Short interest, by report

Report dateShares short% of floatDays to cover
15 Sep 2026 553,890 4.1% 5.0
31 Aug 2026 560,166 4.2% 6.2
14 Aug 2026 519,061 3.9% 5.1
31 Jul 2026 501,357 3.7% 3.7
15 Jul 2026 490,134 3.7% 1.8
30 Jun 2026 525,584 3.9% 2.8

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