ALIGN TECHNOLOGY INC ALGN
COM · Common Stock · CUSIP 016255101 · ISIN US0162551016
Company in San Jose, United States
- SectorHealth care
- IndustryOrthopedic, Prosthetic & Surgical Appliances & Supplies
- HeadquartersTempe, AZ
- Founded1997
- Websitealigntech.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 ($78.8m this quarter). Holder counts are more reliable. Shares outstanding: 71.0m as of 2026-07-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $168.66. Options: 18 managers hold calls ($134.7m notional), 21 hold puts ($191.4m).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 732 |
| Q4 2022 | 712 |
| Q1 2023 | 771 |
| Q2 2023 | 773 |
| Q3 2023 | 809 |
| Q4 2023 | 790 |
| Q1 2024 | 819 |
| Q2 2024 | 770 |
| Q3 2024 | 737 |
| Q4 2024 | 722 |
| Q1 2025 | 692 |
| Q2 2025 | 705 |
| Q3 2025 | 668 |
| Q4 2025 | 666 |
| Q1 2026 | 693 |
| Q2 2026 | 673 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 330 | 384 |
| Q4 2024 | 285 | 389 |
| Q1 2025 | 350 | 348 |
| Q2 2025 | 351 | 336 |
| Q3 2025 | 347 | 352 |
| Q4 2025 | 318 | 358 |
| Q1 2026 | 357 | 304 |
| Q2 2026 | 285 | 346 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $219.6m | $229.8m | 1.05 |
| Q4 2025 | $253.9m | $255.0m | 1.00 |
| Q1 2026 | $180.1m | $231.9m | 1.29 |
| Q2 2026 | $134.7m | $191.4m | 1.42 |
Biggest buyers
| GOLDMAN SACHS GROUP INC | Added | +1.6m |
| FMR LLC | Added | +1.4m |
| UBS Group AG | Added | +720.1k |
| DIMENSIONAL FUND ADVISORS LP | Added | +466.4k |
| GEODE CAPITAL MANAGEMENT, LLC | Added | +454.6k |
| DEUTSCHE BANK AG\ | Added | +365.4k |
| VOYA INVESTMENT MANAGEMENT LLC | Added | +316.9k |
| Assenagon Asset Management S.A. | Added | +272.9k |
| Nearwater Capital Markets, Ltd | New | +268.0k |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | Added | +260.0k |
Biggest sellers
| Capital World Investors | Reduced | -649.9k |
| MACKENZIE FINANCIAL CORP | Reduced | -577.2k |
| CITADEL ADVISORS LLC | Reduced | -430.9k |
| NORDEA INVESTMENT MANAGEMENT AB | Reduced | -379.5k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | Reduced | -265.6k |
| Clark Capital Management Group, Inc. | Sold out | -209.3k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | Reduced | -196.8k |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | Reduced | -169.4k |
| Freestone Grove Partners LP | Reduced | -152.2k |
| ExodusPoint Capital Management, LP | Reduced | -144.5k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $56.2m333.0k shares |
| IMC-Chicago, LLC | Reduced | $32.8m194.6k shares |
| CITADEL ADVISORS LLC | Reduced | $14.8m87.9k shares |
| MILLENNIUM MANAGEMENT LLC | Added | $8.6m50.8k shares |
| JANE STREET GROUP, LLC | Reduced | $6.3m37.1k shares |
| Alphadyne Asset Management LP | Reduced | $4.8m28.6k shares |
| Walleye Trading LLC | Added | $3.3m19.8k shares |
| GOLDMAN SACHS GROUP INC | New | $1.3m8.0k shares |
| SIMPLEX TRADING, LLC | Reduced | $1.2m7.4k shares |
| GROUP ONE TRADING LLC | Reduced | $1.0m6.0k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $79.8m472.9k shares |
| IMC-Chicago, LLC | Added | $53.8m318.8k shares |
| CITADEL ADVISORS LLC | Added | $21.4m126.7k shares |
| JANE STREET GROUP, LLC | Added | $11.6m68.5k shares |
| Alphadyne Asset Management LP | Reduced | $4.8m28.4k shares |
| SIMPLEX TRADING, LLC | Reduced | $4.7m28.0k shares |
| BARCLAYS PLC | Unchanged | $4.3m25.5k shares |
| Balyasny Asset Management L.P. | Reduced | $2.0m11.6k shares |
| Walleye Trading LLC | Reduced | $1.5m8.6k shares |
| GOLDMAN SACHS GROUP INC | Reduced | $1.3m8.0k 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 |
|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 6.9% |
| FMR LLC 13G · institution new · filed 2026-08-06 | 5.7% |
| BlackRock, Inc. 13G · institution -1.3 pts · filed 2026-01-21 | 5.7% |
| Capital International Investors 13G · institution -1.3 pts · filed 2026-05-14 | 5.5% |
Fell to 5% or below in the last year: Gund G Zachary (2.6%, 2026-08-12), Capital World Investors (5.0%, 2026-08-12), VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD CAPITAL MANAGEMENT LLC)
Insider purchases and sales since 1 Apr 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 |
|---|---|---|---|---|---|
| Q4 2024 | 0 | — | 0 | — | — |
| Q1 2025 | 0 | — | 0 | — | — |
| Q2 2025 | 0 | — | 0 | — | — |
| Q3 2025 | 2 | $1.0m | 0 | — | — |
| Q4 2025 | 0 | — | 0 | — | — |
| Q1 2026 | 0 | — | 1 | $1.5m | — |
| Q2 2026 | 0 | — | 0 | — | — |
| Q3 2026 | 0 | — | 0 | — | — |
None reported since 1 Apr 2026.
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.01% of their portfolio | 4.4m $745.4m | Added +129.4k |
| VANGUARD CAPITAL MANAGEMENT LLC 0.02% of their portfolio | 4.4m $742.3m | Added +12.2k |
| FMR LLC 0.03% of their portfolio | 4.1m $684.8m | Added +1.4m |
| Capital International Investors 0.14% of their portfolio | 4.0m $682.3m | Added +236.4k |
| Capital World Investors 0.07% of their portfolio | 3.4m $577.2m | Reduced -649.9k |
| GOLDMAN SACHS GROUP INC 0.06% of their portfolio | 3.4m $568.8m | Added +1.6m |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.02% of their portfolio | 3.1m $528.2m | Reduced -19.0k |
| STATE STREET CORP 0.01% of their portfolio | 2.6m $431.5m | Added +42.3k |
| GEODE CAPITAL MANAGEMENT, LLC 0.02% of their portfolio | 2.2m $378.2m | Added +454.6k |
| Ninety One UK Ltd 0.83% of their portfolio | 2.2m $372.7m | Reduced -18.4k |
| UBS Group AG 0.06% of their portfolio | 2.1m $358.5m | Added +720.1k |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 0.91% of their portfolio | 1.7m $292.4m | Reduced -169.4k |
| DIMENSIONAL FUND ADVISORS LP 0.04% of their portfolio | 1.4m $242.7m | Added +466.4k |
| Invesco Ltd. 0.02% of their portfolio | 1.4m $238.4m | Added +101.1k |
| Assenagon Asset Management S.A. 0.14% of their portfolio | 1.3m $212.9m | Added +272.9k |
| Ruane, Cunniff & Goldfarb L.P. 3.07% of their portfolio | 1.2m $197.6m | Reduced -35.1k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.08% of their portfolio | 1.1m $180.7m | Added +17.0k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.65% of their portfolio | 1.1m $180.3m | Added +37.6k |
| MORGAN STANLEY 0.01% of their portfolio | 1.0m $171.0m | Added +520 |
| NORGES BANK 0.02% of their portfolio | 904.6k $152.6m | Not comparable |
| AQR CAPITAL MANAGEMENT LLC 0.05% of their portfolio | 899.7k $151.2m | Added +6.5k |
| DISCIPLINED GROWTH INVESTORS INC /MN 2.24% of their portfolio | 783.2k $132.1m | Added +7.4k |
| JPMORGAN CHASE & CO 0.01% of their portfolio | 773.2k $134.7m | Added +12.4k |
| Senvest Management, LLC 3.69% of their portfolio | 745.3k $125.7m | Reduced -9.5k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio | 668.1k $112.7m | Added +24.6k |
| Swedbank AB 0.10% of their portfolio | 658.2k $111.0m | Reduced -32.0k |
| LSV ASSET MANAGEMENT 0.20% of their portfolio | 655.6k $110.6m | Added +90.3k |
| BARCLAYS PLC 0.03% of their portfolio | 640.9k $108.1m | Reduced -61.6k |
| VOYA INVESTMENT MANAGEMENT LLC 0.09% of their portfolio | 625.0k $105.4m | Added +316.9k |
| DEUTSCHE BANK AG\ 0.03% of their portfolio | 591.6k $99.8m | Added +365.4k |
| NORTHERN TRUST CORP 0.01% of their portfolio | 562.2k $94.8m | Reduced -7.1k |
| BANK OF AMERICA CORP /DE/ 0.01% of their portfolio | 551.9k $93.1m | Added +69.5k |
| FEDERATED HERMES, INC. 0.11% of their portfolio | 463.8k $78.2m | Reduced -29.5k |
| Amundi 0.02% of their portfolio | 434.7k $73.3m | Added +75.9k |
| BROWN ADVISORY INC 0.11% of their portfolio | 413.6k $69.8m | Reduced -20.5k |
| DAVENPORT & Co LLC 0.33% of their portfolio | 384.7k $64.9m | Reduced -12.1k |
| VANGUARD FIDUCIARY TRUST CO 0.01% of their portfolio | 375.3k $63.3m | Reduced -1.5k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.01% of their portfolio | 360.2k $60.8m | Reduced -265.6k |
| JENNISON ASSOCIATES LLC 0.04% of their portfolio | 353.6k $59.6m | Reduced -99.6k |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 0.09% of their portfolio | 351.9k $59.4m | Reduced -25.6k |
| Bank of New York Mellon Corp 0.01% of their portfolio | 338.3k $57.1m | Reduced -61.2k |
| Carmignac Gestion 0.69% of their portfolio | 316.8k $53.5m | Added +91.7k |
| CITADEL ADVISORS LLC 0.03% of their portfolio | 299.1k $50.4m | Reduced -430.9k |
| Resona Asset Management Co.,Ltd. 0.23% of their portfolio | 291.2k $49.6m | Reduced -3.3k |
| KEYBANK NATIONAL ASSOCIATION/OH 0.16% of their portfolio | 282.1k $47.6m | Added +676 |
| WELLS FARGO & COMPANY/MN 0.01% of their portfolio | 280.1k $47.2m | Reduced -47.9k |
| Nearwater Capital Markets, Ltd 0.78% of their portfolio | 268.0k $45.2m | New |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.06% of their portfolio | 264.2k $44.6m | Added +260.0k |
| ING GROEP NV 0.19% of their portfolio | 233.2k $39.3m | Added +45.7k |
| NOMURA HOLDINGS INC 0.16% of their portfolio | 226.2k $38.2m | Added +182.3k |
| Woodline Partners LP 0.12% of their portfolio | 226.0k $38.1m | Added +144.3k |
| D. E. Shaw & Co., Inc. 0.02% of their portfolio | 211.1k $35.6m | Added +143.8k |
| FACTORY MUTUAL INSURANCE CO 0.33% of their portfolio | 210.9k $35.6m | Reduced -17.8k |
| ALLIANCEBERNSTEIN L.P. 0.01% of their portfolio | 210.2k $36.0m | Reduced -22.3k |
| FIL Ltd 0.02% of their portfolio | 196.7k $33.2m | Added +117.4k |
| VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. 0.25% of their portfolio | 194.2k $32.8m | Reduced -17.7k |
| Russell Investments Group, Ltd. 0.03% of their portfolio | 188.2k $31.7m | Reduced -31.5k |
| Gotham Asset Management, LLC 0.07% of their portfolio | 186.0k $31.4m | Added +16.7k |
| Allianz Asset Management GmbH 0.03% of their portfolio | 184.6k $31.2m | Added +18.5k |
| ARMISTICE CAPITAL, LLC 0.84% of their portfolio | 180.3k $30.4m | Added +22.3k |
| Ninety One North America, Inc. 1.31% of their portfolio | 166.1k $28.0m | Reduced -6.3k |
| Quantinno Capital Management LP 0.03% of their portfolio | 162.0k $27.3m | Added +49.2k |
| OFI INVEST ASSET MANAGEMENT 0.24% of their portfolio | 160.9k $23.7m | Added +100.7k |
| RAYMOND JAMES FINANCIAL INC 0.01% of their portfolio | 159.0k $26.8m | Reduced -45.0k |
| Marathon Asset Management Ltd 1.08% of their portfolio | 157.0k $26.5m | Reduced -34.8k |
| BNP PARIBAS FINANCIAL MARKETS 0.01% of their portfolio | 145.1k $24.5m | Reduced -22.5k |
| Nuveen, LLC 0.01% of their portfolio | 144.6k $24.4m | Added +4.4k |
| CITIGROUP INC 0.01% of their portfolio | 142.6k $24.1m | Added +27.0k |
| Vanguard Global Advisers, LLC 0.01% of their portfolio | 141.0k $23.8m | Reduced -2.9k |
| Bellevue Group AG 0.50% of their portfolio | 139.7k $23.6m | Unchanged |
| Artisan Partners Limited Partnership 0.04% of their portfolio | 139.3k $23.5m | Reduced -77.8k |
| SG Americas Securities, LLC 0.01% of their portfolio | 138.8k $23.4m | Reduced -93.6k |
| Swiss National Bank 0.01% of their portfolio | 136.5k $23.0m | Added +1.6k |
| Legal & General Group Plc 0.00% of their portfolio | 133.7k $22.5m | Added +7.0k |
| RHUMBLINE ADVISERS 0.02% of their portfolio | 129.5k $21.8m | Added +1.0k |
| Baird Financial Group, Inc. 0.03% of their portfolio | 128.4k $21.7m | Added +12.9k |
| Caisse de depot et placement du Quebec 0.03% of their portfolio | 128.2k $21.6m | Added +2.3k |
| Universal- Beteiligungs- und Servicegesellschaft mbH 0.03% of their portfolio | 127.6k $21.6m | Added +2.5k |
| COUNTRY TRUST BANK 0.37% of their portfolio | 125.7k $21.2m | Reduced -2.6k |
| HSBC HOLDINGS PLC 0.01% of their portfolio | 123.4k $20.8m | Reduced -22.5k |
| California Public Employees Retirement System 0.01% of their portfolio | 120.1k $20.3m | Reduced -470 |
| ALGERT GLOBAL LLC 0.23% of their portfolio | 117.4k $19.8m | Added +71.0k |
| Driehaus Capital Management LLC 0.11% of their portfolio | 115.3k $19.4m | Added +33.1k |
| Engineers Gate Manager LP 0.25% of their portfolio | 113.0k $19.1m | Added +6.2k |
| Vident Advisory, LLC 0.14% of their portfolio | 109.7k $18.5m | Reduced -295 |
| SILVERCREST ASSET MANAGEMENT GROUP LLC 0.12% of their portfolio | 108.9k $18.4m | Reduced -6.2k |
| ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio | 108.6k $18.3m | Reduced -38.0k |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 107.9k $18.2m | Added +10.7k |
| CAPITAL INTERNATIONAL SARL 0.26% of their portfolio | 107.9k $18.2m | Reduced -7.3k |
| MACQUARIE GROUP LTD 0.08% of their portfolio | 103.0k $17.4m | Added +765 |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 98.0k $16.5m | Added +183 |
| CAPITAL FUND MANAGEMENT S.A. 0.11% of their portfolio | 93.3k $15.7m | Reduced -4.8k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.01% of their portfolio | 85.2k $14.4m | Added +4.6k |
| C WorldWide Group Holding A/S 0.34% of their portfolio | 83.4k $14.1m | Unchanged |
| Bridgewater Associates, LP 0.06% of their portfolio | 82.4k $13.9m | Added +72.5k |
| VAN ECK ASSOCIATES CORP 0.01% of their portfolio | 81.5k $13.7m | Added +10.9k |
| INVESTMENT HOUSE LLC 0.62% of their portfolio | 80.8k $13.6m | Reduced -1.6k |
| Distillate Capital Partners LLC 0.70% of their portfolio | 79.6k $13.4m | Reduced -30.2k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio | 78.8k $13.3m | Reduced -471 |
| PRINCIPAL FINANCIAL GROUP INC 0.01% of their portfolio | 78.5k $13.2m | Added +4.2k |