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 ($39.4m this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $431.46. Options: 14 managers hold calls ($89.5m notional), 13 hold puts ($66.7m).
Trends to Q1 2024
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 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 279 | 228 |
| Q1 2023 | 344 | 227 |
| Q2 2023 | 325 | 298 |
| Q3 2023 | 295 | 327 |
| Q4 2023 | 332 | 328 |
| Q1 2024 | 346 | 337 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q2 2023 | $43.0m | $163.3m | 3.80 |
| Q3 2023 | $65.2m | $129.1m | 1.98 |
| Q4 2023 | $152.9m | $67.8m | 0.44 |
| Q1 2024 | $89.5m | $66.7m | 0.75 |
Biggest buyers
| FMR LLC | Added | +1.6m |
| VANGUARD GROUP INC | Added | +146.3k |
| NORGES BANK | Added | +118.7k |
| Invesco Ltd. | Added | +104.7k |
| MORGAN STANLEY | Added | +99.8k |
| JPMORGAN CHASE & CO | Added | +88.7k |
| JENNISON ASSOCIATES LLC | Added | +62.6k |
| Squarepoint Ops LLC | Added | +53.6k |
| KBC Group NV | Added | +52.1k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Added | +51.7k |
Biggest sellers
| BlackRock Inc. | Reduced | -387.3k |
| Capital World Investors | Reduced | -169.3k |
| Balyasny Asset Management L.P. | Reduced | -165.0k |
| WESTFIELD CAPITAL MANAGEMENT CO LP | Reduced | -160.0k |
| LORD, ABBETT & CO. LLC | Sold out | -123.5k |
| Cartenna Capital, LP | Sold out | -106.3k |
| FIRST TRUST ADVISORS LP | Reduced | -98.0k |
| Caisse de depot et placement du Quebec | Reduced | -83.1k |
| BANK OF AMERICA CORP /DE/ | Reduced | -76.2k |
| JANE STREET GROUP, LLC | Reduced | -72.9k |
Biggest calls
| D. E. Shaw & Co., Inc. | Reduced | $25.5m59.1k shares |
| CITADEL ADVISORS LLC | Reduced | $15.6m36.2k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $14.1m32.7k shares |
| JANE STREET GROUP, LLC | Reduced | $11.6m26.9k shares |
| SCOPUS ASSET MANAGEMENT, L.P. | Reduced | $8.6m20.0k shares |
| SIMPLEX TRADING, LLC | Added | $4.9m11.4k shares |
| BARCLAYS PLC | New | $3.5m8.0k shares |
| GTS SECURITIES LLC | Added | $1.9m4.3k shares |
| MILLENNIUM MANAGEMENT LLC | New | $1.8m4.1k shares |
| TWO SIGMA SECURITIES, LLC | New | $1.2m2.8k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $34.1m79.0k shares |
| CITADEL ADVISORS LLC | Reduced | $13.1m30.3k shares |
| D. E. Shaw & Co., Inc. | Unchanged | $5.4m12.4k shares |
| MILLENNIUM MANAGEMENT LLC | Added | $4.6m10.7k shares |
| GTS SECURITIES LLC | Added | $4.2m9.7k shares |
| Walleye Trading LLC | Added | $2.4m5.5k shares |
| WOLVERINE TRADING, LLC | Reduced | $1.2m2.8k shares |
| SIMPLEX TRADING, LLC | Reduced | $691.0k1.6k shares |
| Walleye Capital LLC | Reduced | $475.2k1.1k shares |
| TWO SIGMA SECURITIES, LLC | New | $259.2k600 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 2024
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 2022 | 0 | — | 1 | $1.0m | — |
| Q3 2022 | 0 | — | 0 | — | — |
| Q4 2022 | 0 | — | 0 | — | — |
| Q1 2023 | 0 | — | 0 | — | — |
| Q2 2023 | 0 | — | 1 | $1.3m | — |
| Q3 2023 | 0 | — | 0 | — | — |
| Q4 2023 | 0 | — | 1 | $2.1m | — |
| Q1 2024 | 0 | — | 0 | — | — |
None reported in Q1 2024.
Holders, Q1 2024
| Manager | Shares | Change |
|---|---|---|
| BlackRock Inc. 0.04% of their portfolio | 3.7m $1.6bn | Reduced -387.3k |
| VANGUARD GROUP INC 0.03% of their portfolio | 3.4m $1.5bn | Added +146.3k |
| FMR LLC 0.09% of their portfolio | 3.0m $1.3bn | Added +1.6m |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 1.69% of their portfolio | 1.7m $728.1m | Added +29.6k |
| BAILLIE GIFFORD & CO 0.49% of their portfolio | 1.5m $630.0m | Reduced -17.9k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.12% of their portfolio | 1.2m $522.4m | Added +51.7k |
| STATE STREET CORP 0.02% of their portfolio | 1.2m $505.0m | Reduced -5.7k |
| JPMORGAN CHASE & CO 0.02% of their portfolio | 908.2k $392.3m | Added +88.7k |
| MORGAN STANLEY 0.01% of their portfolio | 858.6k $370.9m | Added +99.8k |
| BLAIR WILLIAM & CO/IL 1.07% of their portfolio | 792.0k $342.1m | Added +16.5k |
| Capital World Investors 0.05% of their portfolio | 739.0k $319.2m | Reduced -169.3k |
| WELLINGTON MANAGEMENT GROUP LLP 0.05% of their portfolio | 645.1k $278.7m | Added +9.2k |
| NEUBERGER BERMAN GROUP LLC 0.22% of their portfolio | 614.1k $265.3m | Reduced -24.0k |
| GEODE CAPITAL MANAGEMENT, LLC 0.02% of their portfolio | 601.2k $259.3m | Reduced -21.6k |
| Markel Group Inc. 2.41% of their portfolio | 566.2k $244.6m | Added +9.5k |
| WELLS FARGO & COMPANY/MN 0.06% of their portfolio | 521.5k $225.3m | Reduced -14.5k |
| Invesco Ltd. 0.04% of their portfolio | 476.4k $205.8m | Added +104.7k |
| Mitsubishi UFJ Trust & Banking Corp 0.39% of their portfolio | 388.4k $168.4m | Reduced -56.9k |
| Bank of New York Mellon Corp 0.03% of their portfolio | 386.7k $167.0m | Reduced -32.0k |
| DAVENPORT & Co LLC 1.03% of their portfolio | 380.2k $164.5m | Reduced -2.2k |
| RAYMOND JAMES & ASSOCIATES 0.11% of their portfolio | 366.7k $158.4m | Added +6.4k |
| NORGES BANK 0.02% of their portfolio | 359.0k $155.1m | Added +118.7k |
| BARCLAYS PLC 0.07% of their portfolio | 356.8k $154.1m | Reduced -43.5k |
| BOSTON FINANCIAL MANGEMENT LLC 4.81% of their portfolio | 349.5k $151.0m | Added +1.6k |
| Baird Financial Group, Inc. 0.30% of their portfolio | 335.6k $145.0m | Reduced -4.4k |
| Hamlin Capital Management, LLC 3.77% of their portfolio | 295.4k $127.6m | Reduced -482 |
| ENVESTNET ASSET MANAGEMENT INC 0.04% of their portfolio | 277.8k $120.0m | Reduced -4.8k |
| NORTHERN TRUST CORP 0.02% of their portfolio | 244.6k $105.7m | Reduced -42.3k |
| ROYAL BANK OF CANADA 0.03% of their portfolio | 242.4k $104.7m | Added +11.2k |
| GOLDMAN SACHS GROUP INC 0.02% of their portfolio | 234.9k $101.5m | Reduced -20.2k |
| Bahl & Gaynor LLC 0.55% of their portfolio | 230.6k $99.6m | Reduced -17.8k |
| CALEDONIA INVESTMENTS PLC 12.55% of their portfolio | 225.4k $97.2m | Reduced -8.7k |
| Welch & Forbes LLC 1.30% of their portfolio | 219.9k $95.0m | Added +6.2k |
| FIRST TRUST ADVISORS LP 0.09% of their portfolio | 212.7k $91.9m | Reduced -98.0k |
| Swedbank AB 0.13% of their portfolio | 210.0k $90.7m | Reduced -12.0k |
| DIMENSIONAL FUND ADVISORS LP 0.02% of their portfolio | 192.0k $82.9m | Reduced -30.2k |
| Squarepoint Ops LLC 0.33% of their portfolio | 187.6k $81.0m | Added +53.6k |
| JENNISON ASSOCIATES LLC 0.05% of their portfolio | 185.6k $80.2m | Added +62.6k |
| BANK OF AMERICA CORP /DE/ 0.01% of their portfolio | 177.5k $76.7m | Reduced -76.2k |
| Handelsbanken Fonder AB 0.31% of their portfolio | 168.5k $72.8m | Added +22.0k |
| Corient Private Wealth LP 0.13% of their portfolio | 166.9k $72.1m | Added +967 |
| AEGON ASSET MANAGEMENT UK Plc 1.01% of their portfolio | 156.8k $67.6m | Added +5.5k |
| RIVERBRIDGE PARTNERS LLC 0.74% of their portfolio | 140.6k $60.7m | Reduced -2.2k |
| GW&K Investment Management, LLC 0.52% of their portfolio | 137.8k $59.5m | Reduced -1.5k |
| PRINCIPAL FINANCIAL GROUP INC 0.03% of their portfolio | 137.3k $59.3m | Reduced -6.4k |
| HOWLAND CAPITAL MANAGEMENT LLC 2.83% of their portfolio | 135.7k $58.6m | Reduced -5.5k |
| NORDEA INVESTMENT MANAGEMENT AB 0.07% of their portfolio | 135.6k $59.0m | Added +24.7k |
| TimesSquare Capital Management, LLC 0.83% of their portfolio | 132.0k $57.0m | Added +6.2k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.01% of their portfolio | 131.1k $56.7m | Added +443 |
| ANCHOR CAPITAL ADVISORS LLC 1.45% of their portfolio | 127.8k $55.2m | Reduced -37.4k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.02% of their portfolio | 125.1k $54.0m | Added +374 |
| Allspring Global Investments Holdings, LLC 0.08% of their portfolio | 123.5k $53.3m | Reduced -5.6k |
| Legal & General Group Plc 0.01% of their portfolio | 120.6k $52.1m | Reduced -5.4k |
| NATIXIS ADVISORS, LLC 0.12% of their portfolio | 119.7k $51.7m | Added +404 |
| Premier Fund Managers Ltd 1.89% of their portfolio | 110.0k $47.7m | Reduced -2.0k |
| RHUMBLINE ADVISERS 0.04% of their portfolio | 105.3k $45.5m | Reduced -4.6k |
| KING LUTHER CAPITAL MANAGEMENT CORP 0.20% of their portfolio | 103.2k $44.6m | Added +5.9k |
| CAPITAL ADVISORS INC/OK 0.95% of their portfolio | 102.9k $44.5m | Added +17.6k |
| DEARBORN PARTNERS LLC 1.90% of their portfolio | 102.2k $44.2m | Reduced -34.3k |
| Swiss National Bank 0.03% of their portfolio | 101.4k $43.8m | Reduced -3.5k |
| STIFEL FINANCIAL CORP 0.05% of their portfolio | 101.1k $43.7m | Added +33.6k |
| BENJAMIN F. EDWARDS & COMPANY, INC. 0.79% of their portfolio | 101.0k $43.6m | Reduced -2.1k |
| CITADEL ADVISORS LLC 0.04% of their portfolio | 94.9k $41.0m | Reduced -72.5k |
| Wilkinson Global Asset Management LLC 2.49% of their portfolio | 91.8k $39.7m | Added +17.1k |
| Nuveen Asset Management, LLC 0.01% of their portfolio | 90.8k $39.2m | Added +173 |
| T. Rowe Price Investment Management, Inc. 0.02% of their portfolio | 81.4k $35.1m | Reduced -9.7k |
| Conestoga Capital Advisors, LLC 0.51% of their portfolio | 81.1k $35.0m | Added +4.1k |
| MACQUARIE GROUP LTD 0.04% of their portfolio | 80.4k $34.7m | Added +2.6k |
| Motley Fool Asset Management LLC 2.24% of their portfolio | 80.3k $34.7m | Reduced -7.7k |
| BROWN BROTHERS HARRIMAN & CO 0.26% of their portfolio | 78.2k $33.8m | Added +18.0k |
| Curi Capital, LLC 0.76% of their portfolio | 77.1k $33.3m | Added +3.5k |
| Sumitomo Mitsui Trust Group, Inc. 0.02% of their portfolio | 71.3k $30.8m | Added +818 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 0.07% of their portfolio | 67.0k $28.9m | Added +3.9k |
| Baskin Financial Services Inc. 2.38% of their portfolio | 65.9k $28.4m | Added +4.0k |
| Pembroke Management, LTD 3.32% of their portfolio | 65.3k $28.2m | Added +6.8k |
| California Public Employees Retirement System 0.02% of their portfolio | 62.9k $27.2m | Reduced -488 |
| GENEVA CAPITAL MANAGEMENT LLC 0.46% of their portfolio | 61.1k $26.4m | Reduced -924 |
| KBC Group NV 0.08% of their portfolio | 60.0k $25.9m | Added +52.1k |
| STOREBRAND ASSET MANAGEMENT AS 0.09% of their portfolio | 59.1k $25.5m | Added +9.6k |
| SCHWARTZ INVESTMENT COUNSEL INC 0.88% of their portfolio | 56.0k $24.2m | Unchanged |
| CAPTRUST FINANCIAL ADVISORS 0.09% of their portfolio | 53.9k $23.3m | Reduced -1.7k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.03% of their portfolio | 53.1k $22.9m | Added +516 |
| SEI INVESTMENTS CO 0.03% of their portfolio | 51.9k $22.4m | Reduced -2.4k |
| ALLIANCEBERNSTEIN L.P. 0.01% of their portfolio | 50.9k $22.0m | Reduced -1.2k |
| Woodline Partners LP 0.20% of their portfolio | 50.8k $21.9m | Added +35.9k |
| Retirement Systems of Alabama 0.08% of their portfolio | 49.6k $21.4m | Reduced -4.4k |
| Fenimore Asset Management Inc 0.45% of their portfolio | 48.9k $21.1m | Added +413 |
| TRUIST FINANCIAL CORP 0.03% of their portfolio | 48.4k $20.9m | Reduced -8.7k |
| WORLDQUANT MILLENNIUM ADVISORS LLC 0.25% of their portfolio | 47.7k $20.6m | Added +45.6k |
| Motley Fool Wealth Management, LLC 1.05% of their portfolio | 47.1k $20.3m | Reduced -845 |
| Connor, Clark & Lunn Investment Management Ltd. 0.09% of their portfolio | 47.0k $20.3m | Added +21.9k |
| FRANKLIN RESOURCES INC 0.01% of their portfolio | 46.3k $20.0m | Added +1.5k |
| CANADA LIFE ASSURANCE Co 0.04% of their portfolio | 45.9k $19.8m | Reduced -119 |
| BRADLEY FOSTER & SARGENT INC/CT 0.35% of their portfolio | 45.2k $19.5m | Added +23.7k |
| WASHINGTON TRUST Co 0.71% of their portfolio | 44.6k $19.3m | Reduced -1.8k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.03% of their portfolio | 44.1k $19.0m | Reduced -2.0k |
| LaFleur & Godfrey LLC 2.78% of their portfolio | 43.5k $18.8m | Reduced -5.3k |
| GRACE & WHITE INC /NY 3.32% of their portfolio | 42.6k $18.4m | Unchanged |
| DEUTSCHE BANK AG\ 0.01% of their portfolio | 41.9k $18.1m | Reduced -4.2k |
| AMERICAN INTERNATIONAL GROUP, INC. 0.06% of their portfolio | 41.5k $17.9m | Reduced -4.3k |