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WINA · Winmark Corp

Track WINA — free
Market Cap
$1.21B
Shares
3.59M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 217
Total Value: $1,359,358,006
Total Shares: 3,213,005
Showing 1–100 of 217 holdings by value · page 1 of 3

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 217 13F filers · Δ vs Mar 31, 2026
Top Holder
15.2%
Sep 2023 → Jun 2026 · range 9.7% – 15.2%
+0.9 pts
Top 5
41.4%
Sep 2023 → Jun 2026 · range 37.3% – 46.9%
+2.3 pts
Top 10
58.2%
Sep 2023 → Jun 2026 · range 53.5% – 66.5%
+2.2 pts
HHI
519
Sep 2023 → Jun 2026 · range 412 – 591
Broadly held+40

Quarterly Activity

vs Mar 31, 2026
New
25
Increased
89
Decreased
73
Sold Out
39
Unchanged
30
Holder count: -14
Institutional value: -2.2%
Shares held: -1.1%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 217
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 908315 CUSIP 974250102 13F (30d) 172 filings 169 filers Visit website