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Griffon GFF

US equityMarket cap rank #2234
$94.09 +$0.12 (+0.13%)
Market closed · Oct 5, 10:20 pm ET · Last extended-hours $94.09 0.00%
Open$93.85
Prev close$93.97
Day range$92.44 – $95.26
Volume461.5K
Market cap$4.26B
P/E (TTM)24.1
Dividend yield0.89%

Ownership & positioning

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

Institutional ownership81.2%+0.16 pts vs. prior quarter
Institutions holding404+0 vs. prior quarter
Insider trades (recent)20 buys / 30 sellsNet selling
Short interest3.94% of floatDays to cover 5.8 · as of 15 Sep 2026
Short-sale volume share15.7%5-day average of daily volume

Short-sale volume as % of daily volume

11%14%18%22%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: +$994.7K (10 inflow days, 10 outflow days).

The five largest holders on file together own 33.8% of shares outstanding.

Largest holders

  • BlackRock13.37%
  • Vanguard Portfolio Management, LLC8.24%
  • Vanguard Capital Management, LLC4.80%
  • Ronald Kramer3.82%
  • FMR3.55%
  • State Street Global Advisors3.46%
  • Voss Capital, LP3.35%
  • Fuller & Thaler Asset Management, Inc.2.38%

By investor type

  • Mutual Fund65.18%
  • Hedge Fund9.07%
  • Individual/Insider6.63%
  • Public Company3.38%
  • Government Pension Fund1.27%
  • Private Company1.01%
  • VC/PE Fund0.53%
  • Insurance Company0.28%

Reported short interest has risen from 3.11% to 3.94% 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 1,782,506 3.9% 5.8
31 Aug 2026 1,682,701 3.7% 5.9
14 Aug 2026 1,522,693 3.4% 3.6
31 Jul 2026 1,615,031 3.5% 6.0
15 Jul 2026 1,623,505 3.5% 5.1
30 Jun 2026 1,428,240 3.1% 2.8

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