Winmark Corp
WINA- Exchange
- Nasdaq
- Industry
- Retail-Miscellaneous Retail
- SEC CIK
- 0000908315
No open-market purchases or sales by Winmark Corp insiders were filed in the last 90 days; 216 institutions reported holding it in 13F filings for Q2 2026, worth $1.36B in total; no superinvestor holds it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, −10 vs. previous quarter
- 216
- 13F valueReported value at the end of Q2 2026
- $1.36B
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding WINA, Q2 2026
No superinvestor reported holding WINA at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by Winmark Corp insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 5, 2026 (view filing) | Mar 4 | 1 day | Grassle Jenele CDirector | SSale | −3.90K | $475.80 | −$1.86M | −60.9%2.50K after | |
| Mar 3, 2026 (view filing) | Mar 3 | Same day | Tomlinson Percy C JrDirector | SSale | −1.66K | $460.52 | −$764.5K | −67.5%800 after | |
| Nov 21, 2025 (view filing) | Nov 21 | Same day | Grassle Jenele CDirector | SSale | −2.40K | $420.87 | −$1.01M | −49.0%2.50K after | |
| Oct 24, 2025 (view filing) | Oct 24 | Same day | Gaudette Renae M.CHIEF OPERATING OFFICER | SSale | −1.20K | $417.11 | −$500.5K | −6.0%18.9K after | 2 lots |
| Sep 18, 2025 (view filing) | Sep 17 | 1 day | Barbetta Lawrence ADirector | SSale | −852 | $505.02 | −$430.3K | −56.8%649 after | 2 lots |
| Aug 28, 2025 (view filing) | Aug 26-27 | 2 days | Heffes Brett DCHAIR AND CEO | SSale | −7.41K | $454.28 | −$3.37M | −6.1%114.4K after | 8 lots |
| Aug 13, 2025 (view filing) | Aug 13 | Same day | Sprenger Gina DecaroDirector | PPurchase | +250 | $410.77 | +$102.7K | New position250 after | |
| Jun 2, 2025 (view filing) | May 30 | 3 days | Ishaug Anthony DCHIEF FINANCIAL OFFICER | SSale | −4.00K | $425.95 | −$1.70M | −6.6%56.7K after | 5 lots |
| May 19, 2025 (view filing) | May 16 | 3 days | Grassle Jenele CDirector | SSale | −1.60K | $428.23 | −$685.2K | −39.0%2.50K after | |
| May 6, 2025 (view filing) | May 6 | Same day | Ishaug Anthony DCHIEF FINANCIAL OFFICER | SSale | −1.60K | $366.69 | −$586.7K | −2.7%57.4K after | 4 lots |
Top 10 13F holders, Q2 2026
The largest institutional positions in Winmark Corp at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 489,771 | $207.2M | 0.00% | +23,394+5.0% | Added |
| Neuberger Berman Group LLC | 286,587 | $121.2M | 0.08% | +1,911+0.7% | Added |
| Renaissance Technologies LLC | 204,412 | $86.5M | 0.12% | −1,463−0.7% | Reduced |
| First Trust Advisors LP | 175,481 | $74.2M | 0.04% | +25,112+16.7% | Added |
| AltraVue Capital, LLC | 172,363 | $72.9M | 5.26% | +10,500+6.5% | Added |
| Vanguard Capital Management LLC | 139,932 | $59.2M | 0.00% | +2,110+1.5% | Added |
| State Street Corp | 130,360 | $55.2M | 0.00% | +6,715+5.4% | Added |
| Jacobs Levy Equity Management, Inc | 92,300 | $39.1M | 0.14% | −4,119−4.3% | Reduced |
| Fisher Asset Management, LLC | 92,208 | $39.0M | 0.01% | −3,162−3.3% | Reduced |
| Port Capital LLC | 86,767 | $36.7M | 1.50% | −11,419−11.6% | Reduced |