Ticker · CUSIP 016255101
Holders (tracked)
21
Combined shares
5,674,272
Combined value
$870.60M
Last close
$185.02
Quarter
2025Q4
Tracked holders · last 8 quarters
+4 vs previous quarter over the last 8.
Price is +20.6% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
29 events
- Jeremy Grantham (GMO) exited2026-02-17−21,125 shares · 2025Q413F
- Steve Cohen (Point72) opened position2026-02-17+14,500 shares · 2025Q413F
- T. Rowe Price trimmed2026-02-17−1,182 shares · 2025Q413F
- +111,600 shares · 2025Q413F
- Wellington Management trimmed2026-02-17−1,773,839 shares · 2025Q413F
- Ken Griffin (Citadel Advisors) added2026-02-17+335,860 shares · 2025Q413F
- D.E. Shaw & Co. added2026-02-17+6,503 shares · 2025Q413F
- AQR Capital Management added2026-02-17+474,756 shares · 2025Q413F
- Two Sigma Investments added2026-02-17+112,032 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2026-02-17+484,733 shares · 2025Q413F
- Ray Dalio (Bridgewater Associates) added2026-02-13+7,786 shares · 2025Q413F
- +1,222,534 shares · 2025Q413F
- Cathie Wood (ARK Invest) added2026-02-11+2,930 shares · 2025Q413F
- Norges Bank (Norway SWF) opened position2026-02-10+996,197 shares · 2025Q413F
- Ken Fisher (Fisher Asset Mgmt) exited2026-02-09−59,373 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−457,395 shares · 2025Q313F
- Two Sigma Investments opened position2025-11-14+9,543 shares · 2025Q313F
- D.E. Shaw & Co. opened position2025-11-14+51,717 shares · 2025Q313F
- T. Rowe Price trimmed2025-11-14−1,515 shares · 2025Q313F
- Wellington Management trimmed2025-11-14−315,690 shares · 2025Q313F
- AQR Capital Management added2025-11-14+189,527 shares · 2025Q313F
- Renaissance Technologies exited2025-11-13−2,100 shares · 2025Q313F
- Jeremy Grantham (GMO) added2025-11-13+15,133 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−820,243 shares · 2025Q313F
- Ray Dalio (Bridgewater Associates) added2025-11-13+15,945 shares · 2025Q313F
- Norges Bank (Norway SWF) trimmed2025-11-12−14,962 shares · 2024Q313F
- Ken Fisher (Fisher Asset Mgmt) added2025-11-12+6,482 shares · 2025Q313F
- First Eagle Investment Management exited2025-11-12−995 shares · 2025Q313F
- Cathie Wood (ARK Invest) added2025-11-12+3 shares · 2025Q313F
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of ALGN…
Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| Ray Dalio (Bridgewater Associates) | 2018Q2 | $152.30 | +21.5% | $4.8M |
| D.E. Shaw & Co. | 2016Q3 | $152.69 | +21.2% | $389K |
| D.E. Shaw & Co. | 2016Q3 | $152.69 | +21.2% | $389K |
| D.E. Shaw & Co. | 2016Q3 | $152.69 | +21.2% | $389K |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $153.59 | +20.5% | $42.4M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $153.59 | +20.5% | $42.4M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $153.59 | +20.5% | $42.4M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $155.18 | +19.2% | $10.4M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $155.18 | +19.2% | $10.4M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $155.18 | +19.2% | $10.4M |
| Ruane, Cunniff & Goldfarb (Sequoia) | 2025Q4 | $156.15 | +18.5% | $226.2M |
| Two Sigma Investments | 2016Q1 | $163.03 | +13.5% | $22.5M |
| Paul Tudor Jones (Tudor Investment) | 2016Q2 | $166.56 | +11.1% | $4.2M |
| Paul Tudor Jones (Tudor Investment) | 2016Q2 | $166.56 | +11.1% | $4.2M |
| AQR Capital Management | 2016Q1 | $171.55 | +7.9% | $221.4M |
| Steve Cohen (Point72) | 2016Q1 | $243.63 | -24.1% | $1.5M |
| Steve Cohen (Point72) | 2016Q1 | $243.63 | -24.1% | $1.5M |
| Wellington Management | 2016Q1 | $288.09 | -35.8% | $14.1M |
| Cathie Wood (ARK Invest) | 2016Q4 | $289.74 | -36.1% | $1.7M |
| T. Rowe Price | 2016Q1 | $352.49 | -47.5% | $18.3M |
| Norges Bank (Norway SWF) | 2016Q1 | $4084.20 | -95.5% | $184.3M |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions4
- Ruane, Cunniff & Goldfarb (Sequoia)+1,222,534$190.9M
- Norges Bank (Norway SWF)+996,197$155.6M
- Paul Tudor Jones (Tudor Investment)+111,600$17.4M
- Steve Cohen (Point72)+14,500$2.3M
Added to7
- Izzy Englander (Millennium Mgmt)+484,733$75.7M
- AQR Capital Management+474,756$74.1M
- Ken Griffin (Citadel Advisors)+335,860$52.4M
- Two Sigma Investments+112,032$17.5M
- Ray Dalio (Bridgewater Associates)+7,786$1.2M
- D.E. Shaw & Co.+6,503$1.0M
- Cathie Wood (ARK Invest)+2,930$458K
Trimmed2
- Wellington Management−1,773,839$277.0M
- T. Rowe Price−1,182$185
Exited2
- Ken Fisher (Fisher Asset Mgmt)−59,373$7.4M
- Jeremy Grantham (GMO)−21,125$2.6M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 23 | $334.10B |
| 2022Q2 | 24 | $163.70B |
| 2022Q3 | 24 | $143.4M |
| 2022Q4 | 25 | $2.17B |
| 2023Q1 | 21 | $4.35B |
| 2023Q2 | 22 | $4.65B |
| 2023Q3 | 22 | $3.19B |
| 2023Q4 | 20 | $3.24B |
| 2024Q1 | 20 | $4.27B |
| 2024Q2 | 23 | $3.50B |
| 2024Q3 | 22 | $2.14B |
| 2024Q4 | 20 | $987.6M |
| 2025Q1 | 20 | $938.9M |
| 2025Q2 | 20 | $1.25B |
| 2025Q3 | 17 | $472.0M |
| 2025Q4 | 21 | $870.6M |
Congress members trading this stock
| Date | Member | Type | Amount range | Filing |
|---|---|---|---|---|
| 2025-09-11 | Lisa McClain | Sell | $1K – $15K | PDF ↗ |
| 2025-08-04 | Lisa McClain | Buy | $1K – $15K | PDF ↗ |
| 2025-04-08 | Rob Bresnahan | Sell | $1K – $15K | PDF ↗ |
| 2025-02-26 | Gilbert Cisneros | Sell | $1K – $15K | PDF ↗ |
| 2025-02-25 | Rob Bresnahan | Buy | $1K – $15K | PDF ↗ |
Who owns ALGN
21 super-investors · 2025Q4
Tracked stake
5.67M
shares
Combined value
$871M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New6Added13Trim2
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Ruane, Cunniff & Goldfarb Sequoia | 1.22M | $191M |
| 2 | AQR Capital Management | 1.20M | $187M |
| 3 | Norges Bank Norway SWF | 996.2K | $156M |
| 4 | Izzy Englander Millennium Mgmt | 780.8K | $122M |
| 5 | Ken Griffin Citadel Advisors | 520.5K | $81M |
| 6 | Ken Griffin Citadel Advisors | 229.3K | $36M |
| 7 | Two Sigma Investments | 121.6K | $19M |
| 8 | Ken Griffin Citadel Advisors | 108.6K | $17M |
| 9 | Paul Tudor Jones Tudor Investment | 88.7K | $14M |
| 10 | Wellington Management | 76.0K | $12M |
| 11 | D.E. Shaw & Co. | 58.2K | $9M |
| 12 | Izzy Englander Millennium Mgmt | 56.3K | $9M |
| 13 | Izzy Englander Millennium Mgmt | 31.0K | $5M |
| 14 | Ray Dalio Bridgewater Associates | 26.0K | $4M |
| 15 | Paul Tudor Jones Tudor Investment | 22.9K | $4M |
| 16 | D.E. Shaw & Co. | 14.6K | $2M |
| 17 | Cathie Wood ARK Invest | 9.1K | $1M |
| 18 | Steve Cohen Point72 | 8.0K | $1M |
| 19 | Steve Cohen Point72 | 6.5K | $1M |
| 20 | D.E. Shaw & Co. | 2.1K | $328K |
| 21 | T. Rowe Price | 99.0K | $15K |
Recent moves
20 transactions
- +111,600 · 2025Q4
- −1,773,839 · 2025Q4
- −21,125 · 2025Q4
- +335,860 · 2025Q4
- +474,756 · 2025Q4
- +112,032 · 2025Q4
- +484,733 · 2025Q4
- +14,500 · 2025Q4
- TRIMT. Rowe Price−1,182 · 2025Q4
- +6,503 · 2025Q4
- +7,786 · 2025Q4
- +1,222,534 · 2025Q4
- +2,930 · 2025Q4
- +996,197 · 2025Q4
- −59,373 · 2025Q4
- −457,395 · 2025Q3
- +51,717 · 2025Q3
- +9,543 · 2025Q3
- TRIMT. Rowe Price−1,515 · 2025Q3
- −315,690 · 2025Q3
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