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WSO · Watsco Inc

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$319.71 +6.06 (+1.93%)
Market Cap
$12.94B
Shares
41.25M

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: 783
Total Value: $15,802,917,270
Total Shares: 37,983,115

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 783 13F filers · Δ vs Mar 31, 2026
Top Holder
11.1%
Sep 2023 → Jun 2026 · range 10.0% – 12.4%
+0.5 pts
Top 5
34.4%
Sep 2023 → Jun 2026 · range 32.9% – 41.0%
+0.6 pts
Top 10
51.9%
Sep 2023 → Jun 2026 · range 45.9% – 54.5%
+0.9 pts
HHI
368
Sep 2023 → Jun 2026 · range 331 – 447
Broadly held+15

Quarterly Activity

vs Mar 31, 2026
New
95
Increased
244
Decreased
303
Sold Out
88
Unchanged
141
Holder count: +7
Institutional value: +12.1%
Shares held: -2.0%

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 802
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 105016 CUSIP 942622200 13F (30d) 713 filings 688 filers Visit website Investor relations