Watsco Inc
WSO- Exchange
- NYSE
- Industry
- Wholesale-Hardware & Plumbing & Heating Equipment & Supplies
- SEC CIK
- 0000105016
No open-market purchases or sales by Watsco Inc insiders were filed in the last 90 days; 787 institutions reported holding it in 13F filings for Q2 2026, worth $15.7B in total; superinvestors Markel Group and Giverny Capital hold it.
Other share classesWSO.B
Holders of 5% or more of WSO
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Watsco Inc, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Capital International Investors | 13G/A | 10.60%3.69M shares | +4.00 ppfrom 6.60% | Nov 6, 20252 filings | Nov 6, 2025 | SEC |
| FMR LLC | 13G/A | 8.90%3.11M shares | – | Aug 6, 20251 filing | Aug 6, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
3 Schedule 13D and 13G filings on Watsco Inc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Nov 6, 20252:53 PM ET | Capital International Investors | 13G/A | 10.60%3.69M shares | +4.00 ppfrom 6.60% | Oct 31, 2025 | SEC |
| Nov 6, 20252:15 PM ET | Capital International Investors | 13G | 6.60%2.31M shares | New | Sep 30, 2025 | SEC |
| Aug 6, 202512:19 PM ET | FMR LLCand 1 other | 13G/A | 8.90%3.11M shares | – | Jun 30, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Watsco Inc shares.
No Form 144 notices for Watsco Inc are on file.