ALGN — ALIGN TECHNOLOGY 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
Others in Healthcare
Measured signals that fired on ALGN
| date | signal | measured base rate |
|---|---|---|
| 2026-08-20 | Bollinger bandwidth breaks out of its own compression structure | -0.63% over 21 days · t = -2.80 · n = 7,196 statistically distinguishable from its control group |
| 2026-08-18 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-07-02 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-05-29 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-04-21 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
| 2026-04-14 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 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 |
|---|---|---|---|---|---|
| 2026-05-20 | Conroy Kevin T Director | Option exercise | 1.7K | 0.00 | 0 |
| 2026-05-20 | LACOB JOSEPH Director | Option exercise | 1.7K | 0.00 | 0 |
| 2026-05-20 | Dallas Kevin J Director | Option exercise | 1.7K | 0.00 | 0 |
| 2026-05-20 | LARKIN C RAYMOND JR Director | Option exercise | 2.3K | 0.00 | 0 |
| 2026-05-20 | Myong Anne Director | Option exercise | 1.7K | 0.00 | 0 |
| 2026-05-20 | Poul Mojdeh Director | Option exercise | 1.7K | 0.00 | 0 |
| 2026-05-20 | Saia Andrea Lynn Director | Option exercise | 1.7K | 0.00 | 0 |
| 2026-05-20 | SIEGEL SUSAN E Director | Option exercise | 1.7K | 0.00 | 0 |
| 2026-05-20 | Vitalone Britt J. Director | Option exercise | 1.4K | 0.00 | 0 |
| 2026-05-20 | MORROW GEORGE J Director | Option exercise | 1.7K | 0.00 | 0 |
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 |
|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | 752.4M | 4.4M |
| BlackRock, Inc. | 735.4M | 4.3M |
| Capital World Investors | 698.1M | 4.1M |
| Capital International Investors | 653.0M | 3.8M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 540.1M | 3.2M |
| FMR LLC | 462.9M | 2.7M |
| STATE STREET CORP | 431.4M | 2.5M |
| Ninety One UK Ltd | 382.0M | 2.2M |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 326.2M | 1.9M |
| GOLDMAN SACHS GROUP INC | 307.9M | 1.8M |
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 | |
|---|---|---|---|
| SCHEDULE 13G/A | 2026-08-12 | — | on EDGAR ↗ |
| SCHEDULE 13G/A | 2026-08-12 | — | on EDGAR ↗ |
| SCHEDULE 13G | 2026-08-06 | — | on EDGAR ↗ |
| 10-Q | 2026-08-05 | 2026-06-30 | on EDGAR ↗ |
| 8-K | 2026-07-29 | 2026-07-29 | on EDGAR ↗ |
| 8-K | 2026-07-29 | 2026-07-29 | on EDGAR ↗ |
| 8-K | 2026-07-09 | 2026-07-06 | on EDGAR ↗ |
| 8-K | 2026-06-22 | 2026-06-17 | 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 →
Recent headlines
- SanDisk Rips 10%, Micron Rises 6% as AI Memory Frenzy Builds: Stock Market Today · 2026-08-17 · benzinga
- Align Technology Wins China Patent Case Against Angelalign · 2026-08-12
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