WSO — WATSCO INC
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.
Performance
Technicals
Dividends
Measured signals that fired on WSO
| date | signal | measured base rate |
|---|---|---|
| 2026-08-05 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-07-22 | Equal lows taken out structure | -0.64% over 21 days · t = -4.75 · n = 55,661 statistically distinguishable from its control group |
| 2026-07-08 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-06-25 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-05-19 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-04-17 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-03-11 | MENENDEZ ANA M CFO / Treasurer | Other Acquisition/Disposition | 25 | 336.95 | 8.4K |
| 2026-03-11 | NAHMAD ALBERT H Chairman and CEO | Other Acquisition/Disposition | 25 | 336.95 | 8.4K |
| 2026-03-11 | Nahmad Aaron J President | Other Acquisition/Disposition | 25 | 336.95 | 8.4K |
| 2026-03-11 | LOGAN BARRY S Executive Vice President | Other Acquisition/Disposition | 19 | 336.95 | 6.4K |
| 2025-12-12 | Lopez-Blazquez Ana Director | Option exercise | 1.0K | 250.84 | 250.8K |
| 2025-12-12 | Lopez-Blazquez Ana Director | Shares withheld for tax | 707 | 354.61 | 250.7K |
| 2025-12-05 | Dickins Denise Director | Gift | 269 | 0.00 | 0 |
| 2025-06-10 | Custer John Michael Director | Open-market sale | 2.2K | 448.27 | 986.2K |
| 2025-05-15 | Dickins Denise Director | Gift | 191 | 0.00 | 0 |
| 2025-05-12 | Dickins Denise Director | Option exercise | 4.5K | 175.07 | 787.8K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| BlackRock, Inc. | 1.5B | 4.1M |
| Capital International Investors | 1.3B | 3.5M |
| Capital Research Global Investors | 690.7M | 1.9M |
| FMR LLC | 687.7M | 1.9M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 637.0M | 1.8M |
| VANGUARD CAPITAL MANAGEMENT LLC | 570.2M | 1.6M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 487.2M | 1.3M |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 483.6M | 1.3M |
| STATE STREET CORP | 463.4M | 1.3M |
| BAILLIE GIFFORD & CO | 413.7M | 1.1M |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Latest SEC filings
| form | filed | period | |
|---|---|---|---|
| 10-Q | 2026-08-07 | 2026-06-30 | on EDGAR ↗ |
| 8-K | 2026-07-29 | 2026-07-29 | on EDGAR ↗ |
| 8-K/A | 2026-06-04 | 2026-04-23 | on EDGAR ↗ |
| 8-K | 2026-06-04 | 2026-06-04 | on EDGAR ↗ |
| 424B7 | 2026-06-04 | — | on EDGAR ↗ |
| 8-K | 2026-06-03 | 2026-06-01 | on EDGAR ↗ |
| SCHEDULE 13G/A | 2026-05-14 | — | on EDGAR ↗ |
| SCHEDULE 13G | 2026-05-14 | — | on EDGAR ↗ |
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
Others in Industrials
Ask the AI about WSO
The assistant reads every block on this page — price history, filings, insider transactions, institutional positions, short volume, macro and the measured base rates — and says what it implies, quoting the number behind each claim and declaring what it does not have.
Everything on this page is live in the terminal.
Charts, filings, insider flow and the AI — open without an account.
Free plan for good. Pro is $69.99/mo, or $4.99 for a 7-day trial. See the plans →