Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in ALGN held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | VANGUARD CAPITAL MANAGEMENT LLC | 4.4M | $752.4M | — | 6.129% | 0.02% |
| 2 | BlackRock, Inc. | 4.3M | $735.4M | -1.6% | 5.990% | 0.01% |
| 3 | Capital World Investors | 4.1M | $698.1M | +173.2% | 5.686% | 0.10% |
| 4 | Capital International Investors | 3.8M | $653.0M | -18.0% | 5.319% | 0.15% |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.2M | $540.1M | — | 4.399% | 0.03% |
| 6 | FMR LLC | 2.7M | $462.9M | +35.0% | 3.771% | 0.02% |
| 7 | STATE STREET CORP | 2.5M | $431.4M | -0.5% | 3.514% | 0.01% |
| 8 | Ninety One UK Ltd | 2.2M | $382.0M | +0.0% | 3.111% | 0.89% |
| 9 | KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 1.9M | $326.2M | +150.1% | 2.657% | 0.96% |
| 10 | GOLDMAN SACHS GROUP INC | 1.8M | $309.9M | +131.5% | 2.524% | 0.04% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 1.8M | $306.5M | +1.8% | 2.500% | 0.02% |
| 12 | UBS Group AG | 1.4M | $241.9M | +427.3% | 1.971% | 0.04% |
| 13 | Invesco Ltd. | 1.3M | $225.0M | +3.7% | 1.833% | 0.03% |
| 14 | Ruane, Cunniff & Goldfarb L.P. | 1.2M | $206.8M | -1.3% | 1.685% | 3.43% |
| 15 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1.1M | $180.8M | +4.9% | 1.473% | 0.10% |
| 16 | JACOBS LEVY EQUITY MANAGEMENT, INC | 1.0M | $176.8M | +2.5% | 1.440% | 0.74% |
| 17 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1.0M | $175.4M | -20.0% | 1.429% | 0.02% |
| 18 | MORGAN STANLEY | 1.0M | $173.7M | +7.2% | 1.415% | 0.01% |
| 19 | Assenagon Asset Management S.A. | 989K | $169.6M | +413.0% | 1.381% | 0.27% |
| 20 | DIMENSIONAL FUND ADVISORS LP | 973K | $166.7M | +21.3% | 1.358% | 0.03% |
| 21 | CITADEL ADVISORS LLC | 940K | $161.1M | +9.5% | 1.312% | 0.07% |
| 22 | AQR CAPITAL MANAGEMENT LLC | 893K | $150.3M | -25.3% | 1.247% | 0.07% |
| 23 | DISCIPLINED GROWTH INVESTORS INC /MN | 776K | $133.0M | -5.5% | 1.083% | 2.72% |
| 24 | Senvest Management, LLC | 755K | $129.4M | +8.6% | 1.054% | 4.29% |
| 25 | BARCLAYS PLC | 729K | $124.9M | +221.0% | 1.017% | 0.05% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in ALGN — a direct measure of their conviction.
Filings activity in ALGN during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 669 | +2.5% | 93.29% | +14.22 pp | $11.68B | +18% |
| Q4 2025 | 653 | +1.6% | 79.07% | +11.18 pp | $9.90B | +16% |
| Q3 2025 | 643 | 6.3% | 67.89% | 26.30 pp | $8.50B | 28% |
| Q2 2025 | 686 | +3.0% | 94.19% | +14.90 pp | $11.79B | +19% |
| Q1 2025 | 666 | 3.5% | 79.29% | 22.66 pp | $9.93B | 22% |
| Q4 2024 | 690 | 1.6% | 101.95% | 20.05 pp | $12.77B | 16% |
| Q3 2024 | 701 | 5.3% | 122.00% | 4.04 pp | $15.28B | 3.2% |
| Q2 2024 | 740 | — | 126.04% | — | $15.78B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying ALGN stock.
Based on Q1 2026 13F filings, institutional ownership of Align Technology, Inc. stands at 93.3%, held across 669 reporting institutions.
VANGUARD CAPITAL MANAGEMENT LLC is the largest reported institutional holder of ALGN, with approximately 4,389,119 shares worth $0.75B as of Q1 2026.
Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of ALGN, including SUSQUEHANNA INTERNATIONAL GROUP, LLP, CITADEL ADVISORS LLC.
Our composite Smart Money Score for ALGN is 66 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
127 institutions opened new positions in ALGN during Q1 2026, while 111 fully exited. 412 added to existing positions and 127 trimmed.
ALGN institutional ownership rose by 14.22 percentage points quarter-over-quarter, with a net change of +16 holders.
The top 10 institutions account for 45.3% of all reported 13F value in ALGN, and the top 25 account for 68.6%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Align Technology, Inc. (ALGN) Institutional Ownership