WATSCO INC WSO
COM · Common Stock · CUSIP 942622200 · ISIN US9426222009
American industrial company
- SectorIndustrials
- IndustryWholesale-Hardware & Plumbing & Heating Equipment & Supplies
- HeadquartersCoconut Grove, FL
- Websitewatsco.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($35.0m this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $363.60. Options: 8 managers hold calls ($88.1m notional), 10 hold puts ($119.8m).
Trends to Q1 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 539 |
| Q4 2022 | 568 |
| Q1 2023 | 614 |
| Q2 2023 | 678 |
| Q3 2023 | 684 |
| Q4 2023 | 727 |
| Q1 2024 | 747 |
| Q2 2024 | 780 |
| Q3 2024 | 790 |
| Q4 2024 | 824 |
| Q1 2025 | 842 |
| Q2 2025 | 809 |
| Q3 2025 | 780 |
| Q4 2025 | 767 |
| Q1 2026 | 771 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q2 2024 | 340 | 392 |
| Q3 2024 | 369 | 358 |
| Q4 2024 | 341 | 370 |
| Q1 2025 | 408 | 343 |
| Q2 2025 | 353 | 406 |
| Q3 2025 | 336 | 389 |
| Q4 2025 | 303 | 430 |
| Q1 2026 | 377 | 324 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q2 2025 | $29.1m | $19.5m | 0.67 |
| Q3 2025 | $23.8m | $28.8m | 1.21 |
| Q4 2025 | $44.1m | $16.4m | 0.37 |
| Q1 2026 | $88.1m | $119.8m | 1.36 |
Biggest buyers
| Capital Research Global Investors | New | +1.9m |
| BlackRock, Inc. | Added | +404.8k |
| GOLDMAN SACHS GROUP INC | Added | +255.9k |
| BAILLIE GIFFORD & CO | Added | +219.8k |
| UBS Group AG | Added | +176.3k |
| SG Capital Management LLC | New | +161.2k |
| Junto Capital Management LP | New | +145.2k |
| BROWN ADVISORY INC | Added | +100.4k |
| PRINCIPAL FINANCIAL GROUP INC | Added | +96.8k |
| DAVENPORT & Co LLC | Added | +75.1k |
Biggest sellers
| Capital International Investors | Reduced | -1.2m |
| Corient Private Wealth LP | Reduced | -474.4k |
| NEUBERGER BERMAN GROUP LLC | Reduced | -252.4k |
| TWO SIGMA ADVISERS, LP | Sold out | -234.6k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Reduced | -219.6k |
| SCHWARTZ INVESTMENT COUNSEL INC | Reduced | -142.0k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | Sold out | -120.5k |
| GW&K Investment Management, LLC | Reduced | -106.6k |
| TWO SIGMA INVESTMENTS, LP | Reduced | -104.7k |
| Capital World Investors | Reduced | -95.0k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $54.5m149.7k shares |
| GROUP ONE TRADING LLC | Added | $25.5m70.0k shares |
| IMC-Chicago, LLC | New | $3.5m9.6k shares |
| CITADEL ADVISORS LLC | Added | $2.9m8.0k shares |
| Point72 Asset Management, L.P. | Reduced | $1.1m2.9k shares |
| JANE STREET GROUP, LLC | Added | $618.4k1.7k shares |
| Walleye Trading LLC | Reduced | $109.1k300 shares |
| SIMPLEX TRADING, LLC | New | $36.4k100 shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $51.4m141.3k shares |
| SG Capital Management LLC | New | $36.4m100.0k shares |
| Caption Management, LLC | New | $16.4m45.0k shares |
| IMC-Chicago, LLC | New | $9.2m25.3k shares |
| JANE STREET GROUP, LLC | Added | $2.6m7.2k shares |
| CITADEL ADVISORS LLC | Reduced | $2.6m7.1k shares |
| Point72 Asset Management, L.P. | Reduced | $545.7k1.5k shares |
| TWO SIGMA INVESTMENTS, LP | New | $363.8k1.0k shares |
| Walleye Trading LLC | Added | $181.9k500 shares |
| SIMPLEX TRADING, LLC | Reduced | $145.5k400 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| Capital International Investors 13G · institution -3.4 pts · filed 2026-05-14 | 10.1% |
| FMR LLC 13G · institution -3.3 pts · filed 2026-02-05 | 5.6% |
| Capital Research Global Investors 13G · institution new · filed 2026-05-14 | 5.4% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 | 5.2% |
| VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 5.0% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD CAPITAL MANAGEMENT LLC)
Insider purchases and sales in Q1 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q2 2024 | 0 | — | 2 | $2.9m | — |
| Q3 2024 | 0 | — | 0 | — | — |
| Q4 2024 | 0 | — | 1 | $5.6m | — |
| Q1 2025 | 0 | — | 1 | $1.0m | — |
| Q2 2025 | 0 | — | 1 | $986.2k | — |
| Q3 2025 | 0 | — | 0 | — | — |
| Q4 2025 | 0 | — | 0 | — | — |
| Q1 2026 | 0 | — | 0 | — | — |
None reported in Q1 2026.
Holders, Q1 2026
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.03% of their portfolio | 4.1m $1.5bn | Added +404.8k |
| Capital International Investors 0.30% of their portfolio | 3.5m $1.3bn | Reduced -1.2m |
| Capital Research Global Investors 0.11% of their portfolio | 1.9m $690.7m | New |
| FMR LLC 0.04% of their portfolio | 1.9m $687.7m | Reduced -76.6k |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.03% of their portfolio | 1.8m $637.0m | First filing |
| VANGUARD CAPITAL MANAGEMENT LLC 0.01% of their portfolio | 1.6m $570.2m | First filing |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.07% of their portfolio | 1.3m $487.2m | Reduced -219.6k |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 1.42% of their portfolio | 1.3m $483.6m | Reduced -77.7k |
| STATE STREET CORP 0.02% of their portfolio | 1.3m $463.4m | Added +33.3k |
| BAILLIE GIFFORD & CO 0.42% of their portfolio | 1.1m $413.7m | Added +219.8k |
| MORGAN STANLEY 0.02% of their portfolio | 891.0k $324.1m | Added +66.1k |
| GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 654.0k $237.5m | Added +16.0k |
| BLAIR WILLIAM & CO/IL 0.61% of their portfolio | 582.7k $212.0m | Reduced -92.7k |
| Markel Group Inc. 1.77% of their portfolio | 582.2k $211.8m | Added +4.5k |
| GOLDMAN SACHS GROUP INC 0.03% of their portfolio | 560.7k $204.0m | Added +255.9k |
| DAVENPORT & Co LLC 1.10% of their portfolio | 545.3k $198.4m | Added +75.1k |
| RAYMOND JAMES FINANCIAL INC 0.05% of their portfolio | 426.9k $155.3m | Added +33.0k |
| WELLS FARGO & COMPANY/MN 0.03% of their portfolio | 421.2k $153.2m | Reduced -5.2k |
| UBS Group AG 0.02% of their portfolio | 363.1k $132.1m | Added +176.3k |
| Capital World Investors 0.02% of their portfolio | 339.0k $123.3m | Reduced -95.0k |
| Hamlin Capital Management, LLC 2.96% of their portfolio | 337.3k $122.7m | Reduced -3.0k |
| CAPTRUST FINANCIAL ADVISORS 0.21% of their portfolio | 330.9k $120.4m | Reduced -65.6k |
| NORTHERN TRUST CORP 0.02% of their portfolio | 325.3k $118.3m | Added +6.1k |
| TWO SIGMA INVESTMENTS, LP 0.09% of their portfolio | 300.1k $109.2m | Reduced -104.7k |
| ENVESTNET ASSET MANAGEMENT INC 0.03% of their portfolio | 292.4k $106.4m | Added +73.8k |
| Bahl & Gaynor LLC 0.48% of their portfolio | 261.9k $95.3m | Added +1.1k |
| Bank of New York Mellon Corp 0.02% of their portfolio | 251.8k $91.6m | Reduced -2.4k |
| BANK OF AMERICA CORP /DE/ 0.01% of their portfolio | 239.6k $87.2m | Added +26.0k |
| CALEDONIA INVESTMENTS PLC 9.89% of their portfolio | 232.9k $84.7m | Unchanged |
| DIMENSIONAL FUND ADVISORS LP 0.02% of their portfolio | 226.9k $82.5m | Added +1.7k |
| BROWN BROTHERS HARRIMAN & CO 0.44% of their portfolio | 226.0k $82.2m | Reduced -5.0k |
| VANGUARD FIDUCIARY TRUST CO 0.02% of their portfolio | 216.8k $78.9m | First filing |
| RENAISSANCE TECHNOLOGIES LLC 0.12% of their portfolio | 216.4k $78.7m | Reduced -88.9k |
| Welch & Forbes LLC 0.99% of their portfolio | 209.8k $76.3m | Reduced -913 |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 201.3k $70.2m | Reduced -13.5k |
| PRINCIPAL FINANCIAL GROUP INC 0.03% of their portfolio | 174.6k $63.5m | Added +96.8k |
| Vantage Investment Partners, LLC 4.31% of their portfolio | 171.9k $62.5m | Added +5.7k |
| DONALDSON CAPITAL MANAGEMENT, LLC 1.92% of their portfolio | 162.6k $59.2m | Added +52.7k |
| SG Capital Management LLC 4.83% of their portfolio | 161.2k $58.6m | New |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.01% of their portfolio | 149.7k $54.5m | Added +21.1k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.23% of their portfolio | 147.4k $53.6m | Reduced -5.1k |
| Junto Capital Management LP 1.12% of their portfolio | 145.2k $52.8m | New |
| ROYAL BANK OF CANADA 0.01% of their portfolio | 144.2k $52.4m | Added +6.5k |
| Corient Private Wealth LP 0.07% of their portfolio | 143.2k $52.0m | Reduced -474.4k |
| BENJAMIN EDWARDS INC 0.51% of their portfolio | 141.9k $51.6m | Reduced -3.2k |
| WELLINGTON MANAGEMENT GROUP LLP 0.01% of their portfolio | 140.2k $51.0m | Reduced -8.8k |
| Epoch Investment Partners, Inc. 0.29% of their portfolio | 133.5k $48.6m | Reduced -1.7k |
| RIVERBRIDGE PARTNERS LLC 1.17% of their portfolio | 131.7k $47.9m | Added +62.3k |
| NEUBERGER BERMAN GROUP LLC 0.04% of their portfolio | 130.5k $47.6m | Reduced -252.4k |
| CIBC Bancorp USA Inc. 0.06% of their portfolio | 127.9k $46.5m | First filing |
| AEGON ASSET MANAGEMENT UK Plc 0.60% of their portfolio | 125.1k $45.0m | Added +11.1k |
| Baird Financial Group, Inc. 0.07% of their portfolio | 122.2k $44.5m | Added +12.6k |
| Conestoga Capital Advisors, LLC 0.89% of their portfolio | 121.9k $44.3m | Added +6.3k |
| STIFEL FINANCIAL CORP 0.04% of their portfolio | 110.8k $40.3m | Added +7.3k |
| Employees Retirement System of Texas 0.34% of their portfolio | 107.2k $39.0m | Reduced -5.4k |
| RHUMBLINE ADVISERS 0.03% of their portfolio | 107.1k $39.0m | Added +3.7k |
| KING LUTHER CAPITAL MANAGEMENT CORP 0.17% of their portfolio | 106.1k $38.6m | Reduced -10.9k |
| Legal & General Group Plc 0.01% of their portfolio | 103.8k $37.7m | Added +3.3k |
| BROWN ADVISORY INC 0.06% of their portfolio | 102.9k $37.4m | Added +100.4k |
| Swiss National Bank 0.02% of their portfolio | 102.5k $37.3m | Added +6.8k |
| ANCHOR CAPITAL ADVISORS LLC 0.95% of their portfolio | 91.4k $33.2m | Added +6.0k |
| DEARBORN PARTNERS LLC 1.76% of their portfolio | 89.6k $32.6m | Reduced -5.1k |
| CITIGROUP INC 0.02% of their portfolio | 85.5k $31.1m | Reduced -39.6k |
| HOWLAND CAPITAL MANAGEMENT LLC 1.20% of their portfolio | 83.2k $30.3m | Reduced -697 |
| Fenimore Asset Management Inc 0.66% of their portfolio | 81.0k $29.5m | Added +20.1k |
| Wilkinson Global Asset Management LLC 2.16% of their portfolio | 78.1k $28.4m | Reduced -841 |
| Invesco Ltd. 0.00% of their portfolio | 75.4k $27.4m | Reduced -2.9k |
| Nuveen, LLC 0.01% of their portfolio | 75.3k $27.4m | Added +14.2k |
| ALPS ADVISORS INC 0.12% of their portfolio | 71.5k $26.0m | Added +695 |
| CAPITAL ADVISORS INC/OK 0.42% of their portfolio | 71.1k $25.9m | Added +4.7k |
| Sumitomo Mitsui Trust Group, Inc. 0.02% of their portfolio | 69.9k $25.4m | Added +3.3k |
| AMERIPRISE FINANCIAL INC 0.01% of their portfolio | 68.6k $24.9m | Added +31.1k |
| Curi Capital, LLC 0.43% of their portfolio | 65.7k $23.9m | Reduced -1.3k |
| DEUTSCHE BANK AG\ 0.01% of their portfolio | 63.9k $23.2m | Reduced -171 |
| Gotham Asset Management, LLC 0.07% of their portfolio | 63.6k $23.1m | Added +36.7k |
| Capital International, Inc./CA/ 0.18% of their portfolio | 63.6k $23.1m | Added +5.1k |
| NATIXIS ADVISORS, LLC 0.03% of their portfolio | 63.2k $23.0m | Added +6.2k |
| GENEVA CAPITAL MANAGEMENT LLC 0.46% of their portfolio | 60.1k $21.8m | Reduced -7.5k |
| JONES FINANCIAL COMPANIES LLLP 0.01% of their portfolio | 58.7k $20.4m | Added +56.4k |
| Swedbank AB 0.02% of their portfolio | 58.2k $21.2m | Added +5.9k |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 0.04% of their portfolio | 57.5k $20.9m | Reduced -6.0k |
| Russell Investments Group, Ltd. 0.02% of their portfolio | 56.6k $20.6m | Added +756 |
| DUDLEY & SHANLEY, INC. 3.31% of their portfolio | 55.7k $20.3m | Unchanged |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.02% of their portfolio | 55.0k $20.0m | Reduced -1.2k |
| Retirement Systems of Alabama 0.07% of their portfolio | 55.0k $20.0m | Added +901 |
| NORDEA INVESTMENT MANAGEMENT AB 0.02% of their portfolio | 54.3k $19.3m | Reduced -2.5k |
| Handelsbanken Fonder AB 0.06% of their portfolio | 52.7k $19.2m | Added +11.1k |
| Pembroke Management, LTD 2.73% of their portfolio | 51.9k $18.9m | Added +5.1k |
| HEARTLAND ADVISORS INC 0.96% of their portfolio | 51.6k $18.8m | Added +6.4k |
| DDD Partners, LLC 1.27% of their portfolio | 50.5k $18.4m | New |
| Premier Fund Managers Ltd 1.25% of their portfolio | 50.4k $17.6m | Reduced -3.2k |
| CANADA LIFE ASSURANCE Co 0.03% of their portfolio | 49.5k $18.1m | Reduced -1.4k |
| ALLIANCEBERNSTEIN L.P. 0.01% of their portfolio | 48.0k $16.2m | Reduced -333 |
| FIFTH THIRD BANCORP 0.03% of their portfolio | 47.6k $17.3m | Added +46.0k |
| Amundi 0.00% of their portfolio | 47.6k $17.3m | Reduced -7.8k |
| MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio | 46.8k $17.0m | Added +18.4k |
| VICTORY CAPITAL MANAGEMENT INC 0.01% of their portfolio | 46.6k $16.9m | Added +534 |
| California Public Employees Retirement System 0.01% of their portfolio | 46.3k $16.8m | Reduced -12.9k |
| Williams Jones Wealth Management, LLC. 0.21% of their portfolio | 46.0k $16.7m | Added +1.1k |
| FEDERATED HERMES, INC. 0.03% of their portfolio | 44.4k $16.2m | Reduced -1.0k |