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Winmark WINA

US equityMarket cap rank #3201
$294.92 −$0.93 (-0.31%)
Pre-market · Oct 8, 7:00 am ET · After hours $294.64 -0.09%
Open$293.01
Prev close$295.85
Day range$290.55 – $296.07
Volume54.1K
Market cap$1.06B
P/E (TTM)26.8
Dividend yield1.32%

Ownership & positioning

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

Institutional ownership91.7%-0.20 pts vs. prior quarter
Institutions holding266-1 vs. prior quarter
Insider trades (recent)39 buys / 11 sellsNet buying
Short interest10.32% of floatDays to cover 5.1 · as of 15 Sep 2026
Short-sale volume share16.6%5-day average of daily volume

Short-sale volume as % of daily volume

8%13%18%23%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$3.70M (7 inflow days, 13 outflow days).

Net flow by order size, last 20 sessions

−$537.2KSuper−$3.2MBig−$1.2MMid−$283.2KSmall

Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.

The five largest holders on file together own 43.2% of shares outstanding.

Largest holders

  • BlackRock13.63%
  • Ronald Olson11.05%
  • Neuberger Berman Investment Advisers LLC7.98%
  • Renaissance Technologies Corp.5.69%
  • First Trust Advisors L.P.4.89%
  • AltraVue Capital, LLC4.80%
  • Vanguard Capital Management, LLC4.45%
  • State Street Global Advisors3.63%

By investor type

  • Mutual Fund70.68%
  • Individual/Insider17.00%
  • Hedge Fund15.77%
  • Public Company2.78%
  • Government Pension Fund1.35%
  • Private Company0.61%
  • Insurance Company0.24%
  • Family Office/Trust0.13%

Reported short interest has risen from 8.93% to 10.32% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Recent institutional activity

HolderTypePeriodShare changeNew stake
Nuveen Asset Management LLC Insurance Company 2026/Q3 +7,285 0.2%
Percy Tomlinson Individual/Insider 2026/Q3 +3,700 0.1%
First Trust Advisors L.P. Mutual Fund 2026/Q3 +25,112 4.9%
BlackRock Mutual Fund 2026/Q3 +23,394 13.6%
Select Equity Group, L.P. Hedge Fund 2026/Q3 +20,520 1.4%
Congress Asset Management Company, LLP Mutual Fund 2026/Q3 +15,734 1.0%
Balyasny Asset Management L.P. Hedge Fund 2026/Q3 +14,938 0.4%
Rockefeller & Co. LLC Mutual Fund 2026/Q3 +11,615 1.2%
AltraVue Capital, LLC Hedge Fund 2026/Q3 +10,500 4.8%
Jackson National Asset Management, LLC Mutual Fund 2026/Q3 +9,873 0.6%
Vanguard Portfolio Management, LLC Mutual Fund 2026/Q3 +8,751 1.7%
Allspring Global Investments, LLC Mutual Fund 2026/Q3 +6,957 0.8%
State Street Global Advisors Mutual Fund 2026/Q3 +6,715 3.6%
Managed Account Advisors LLC Mutual Fund 2026/Q3 +5,978 0.3%
Bahl & Gaynor LLC Mutual Fund 2026/Q3 +5,359 0.1%

Institutional buy/sell activity by reporting period, largest moves first.

Insider transactions

DateInsiderTitleTransactionSharesPriceHeld after
13 Jul 2026 Jenele Grassle Independent Director Intent to Sell (Form 144) -1,390 $377.52 –
30 Jun 2026 Percy Tomlinson Lead Independent Director Derivative Exercise and Retained +3,700 $242.58 4,500
31 May 2026 Percy Tomlinson Lead Independent Director Other Derivative Acquisition +356 $378.57 356
31 May 2026 Brett Heffes Chairperson & CEO Other Derivative Acquisition +4,620 $378.57 4,620
31 May 2026 Lawrence Barbetta Independent Director Other Derivative Acquisition +356 $378.57 356
31 May 2026 Philip Smith Independent Director Other Derivative Acquisition +356 $378.57 356
31 May 2026 Anthony Ishaug Chief Financial Officer Other Derivative Acquisition +2,420 $378.57 2,420
31 May 2026 Amy Becker Independent Director Other Derivative Acquisition +356 $378.57 356
31 May 2026 Renae Gaudette Executive VP & Chief Operating Officer Other Derivative Acquisition +1,984 $378.57 1,984
31 May 2026 Gina De Caro Sprenger Independent Director Other Derivative Acquisition +356 $378.57 356
31 May 2026 Lisa Hake Chief Marketing Officer Other Derivative Acquisition +10,968 $378.57 1,712
31 May 2026 Keith Credendino Director Other Derivative Acquisition +356 $378.57 356
31 May 2026 Stephanie Hoppe Director Other Derivative Acquisition +356 $378.57 356
6 May 2026 Jenele Grassle Independent Director Intent to Sell (Form 144) -3,000 $365.72 –
4 May 2026 Stephanie Hoppe Director Other Derivative Acquisition +3,400 $372.02 3,400
29 Apr 2026 Anthony Ishaug Chief Financial Officer Derivative Exercise and Retained +3,293 $98.25 69,776
27 Apr 2026 Renae Gaudette Executive VP & Chief Operating Officer Derivative Exercise and Retained +2,500 $98.25 21,360
3 Mar 2026 Jenele Grassle Independent Director Open Market Disposition -3,900 $475.80 2,500
2 Mar 2026 Percy Tomlinson Lead Independent Director Open Market Disposition -1,660 $460.52 800
25 Feb 2026 Percy Tomlinson Lead Independent Director Derivative Exercise and Retained +1,660 $242.58 2,460

From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.

Short interest, by report

Report dateShares short% of floatDays to cover
15 Sep 2026 370,763 10.3% 5.1
31 Aug 2026 358,129 10.0% 9.9
14 Aug 2026 343,412 9.6% 6.5
31 Jul 2026 326,859 9.1% 6.7
15 Jul 2026 328,479 9.2% 7.7
30 Jun 2026 319,352 8.9% 6.3

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