ALIGN TECHNOLOGY INC (ALGN) Stock Institutional Trading Activity
ALIGN TECHNOLOGY INC (ALGN) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Disciplined Growth Investors, Bares Capital Management, Alapocas Investment Partners, Sequoia Financial Advisors, and Giverny Capital. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.
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- ALIGN TECHNOLOGY INC (ALGN) stock institutional ownership
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| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q3 2014 | Renaissance Technologies LLC | Sell | -331,100 | 158,281 | $8,180 |
| Q3 2014 | Disciplined Growth Investors | Buy | 3,112 | 1,196,410 | $61,830 |
| Q2 2014 | Vulcan Value Partners | Buy | 260 | 260 | $15 |
| Q2 2014 | Renaissance Technologies LLC | Sell | -268,596 | 489,381 | $27,425 |
| Q2 2014 | Disciplined Growth Investors | Buy | 81,704 | 1,193,298 | $68,185 |
| Q1 2014 | Renaissance Technologies LLC | Buy | 82,896 | 757,977 | $39,256 |
| Q1 2014 | Disciplined Growth Investors | Sell | -93,129 | 1,111,594 | $37,250 |
| Q4 2013 | Renaissance Technologies LLC | Buy | 646,281 | 675,081 | $38,574 |
| Q4 2013 | Disciplined Growth Investors | Buy | 1,869 | 1,204,723 | $68,838 |
| Q3 2013 | Renaissance Technologies LLC | Buy | 800 | 28,800 | $1,385 |
| Q3 2013 | Disciplined Growth Investors | Buy | 4,845 | 1,202,854 | $57,857 |
| Q2 2013 | Renaissance Technologies LLC | Buy | 28,000 | 28,000 | $1,037 |
| Q2 2013 | Disciplined Growth Investors | Buy | 1,198,009 | 1,198,009 | $44,374 |
Frequently asked questions about ALGN activity
Which institutional owners are buying ALGN?
Institutional owners buying ALGN include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in ALGN activity?
"Buy" means an investor increased their reported position in ALGN compared to the prior reporting period. This reflects growing exposure to ALIGN TECHNOLOGY INC (ALGN) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in ALGN increasing?
Institutional interest in ALGN can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.