Ticker · CUSIP 26603R106
Holders (tracked)
25
Combined shares
10,459,907
Combined value
$1.84B
Last close
$100.51
Quarter
2025Q4
Price · 1Y$100.51-225.99 (-69.22%)H $540.68 · L $90.03 · Avg Vol 1.8M
Congress buyCongress sellPosition opened
Tracked holders · last 8 quarters
+4 vs previous quarter over the last 8.
Price is -42.7% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
30 events
- Whale Rock Capital added2026-02-17+8,477 shares · 2025Q4Position
- +109,800 shares · 2025Q4Position
- D.E. Shaw & Co. added2026-02-17+28,314 shares · 2025Q4Position
- Ken Griffin (Citadel Advisors) added2026-02-17+89,024 shares · 2025Q4Position
- Ron Baron (Baron Capital / BAMCO) exited2026-02-17−243,708 shares · 2025Q4Position
- AQR Capital Management added2026-02-17+33,841 shares · 2025Q4Position
- Two Sigma Investments trimmed2026-02-17−69,408 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) added2026-02-17+229,361 shares · 2025Q4Position
- Steve Cohen (Point72) opened position2026-02-17+59,600 shares · 2025Q4Position
- Wellington Management trimmed2026-02-17−186 shares · 2025Q4Position
- T. Rowe Price trimmed2026-02-17−280,375 shares · 2025Q4Position
- −35,414 shares · 2025Q4Position
- Lee Ainslie (Maverick Capital) exited2026-02-13−3,134 shares · 2025Q4Position
- Sands Capital Management trimmed2026-02-13−7,697 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−225,946 shares · 2025Q4Position
- Norges Bank (Norway SWF) opened position2026-02-10+490,935 shares · 2025Q4Position
- Baillie Gifford & Co added2026-01-23+2,033,611 shares · 2025Q4Position
- −41,932 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−237,621 shares · 2025Q3Position
- AQR Capital Management added2025-11-14+325,648 shares · 2025Q3Position
- Two Sigma Investments trimmed2025-11-14−321,047 shares · 2025Q3Position
- D.E. Shaw & Co. trimmed2025-11-14−130,280 shares · 2025Q3Position
- +3,134 shares · 2025Q3Position
- Whale Rock Capital added2025-11-14+379,390 shares · 2025Q3Position
- T. Rowe Price trimmed2025-11-14−810,356 shares · 2025Q3Position
- Wellington Management added2025-11-14+2,721 shares · 2025Q3Position
- Ron Baron (Baron Capital / BAMCO) added2025-11-14+169,049 shares · 2025Q3Position
- Sands Capital Management opened position2025-11-13+47,672 shares · 2025Q3Position
- +50,576 shares · 2025Q3Position
- Norges Bank (Norway SWF) exited2025-11-13−470,623 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of DUOL…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| Baillie Gifford & Co | 2021Q3 | $173.77 | -42.2% | $488.6M |
| Wellington Management | 2021Q3 | $180.91 | -44.4% | $2.6M |
| D.E. Shaw & Co. | 2022Q2 | $200.62 | -49.9% | $22.8M |
| D.E. Shaw & Co. | 2022Q2 | $200.62 | -49.9% | $22.8M |
| D.E. Shaw & Co. | 2022Q2 | $200.62 | -49.9% | $22.8M |
| Two Sigma Investments | 2022Q1 | $211.75 | -52.5% | $18.3M |
| Two Sigma Investments | 2022Q1 | $211.75 | -52.5% | $18.3M |
| Two Sigma Investments | 2022Q1 | $211.75 | -52.5% | $18.3M |
| Steve Cohen (Point72) | 2022Q2 | $222.88 | -54.9% | $4.2M |
| Steve Cohen (Point72) | 2022Q2 | $222.88 | -54.9% | $4.2M |
| Norges Bank (Norway SWF) | 2021Q3 | $224.43 | -55.2% | $49.3M |
| Ken Griffin (Citadel Advisors) | 2021Q4 | $230.37 | -56.4% | $62.6M |
| Ken Griffin (Citadel Advisors) | 2021Q4 | $230.37 | -56.4% | $62.6M |
| Ken Griffin (Citadel Advisors) | 2021Q4 | $230.37 | -56.4% | $62.6M |
| Whale Rock Capital | 2021Q3 | $236.00 | -57.4% | $88.1M |
| Izzy Englander (Millennium Mgmt) | 2021Q4 | $255.10 | -60.6% | $462K |
| Izzy Englander (Millennium Mgmt) | 2021Q4 | $255.10 | -60.6% | $462K |
| Izzy Englander (Millennium Mgmt) | 2021Q4 | $255.10 | -60.6% | $462K |
| T. Rowe Price | 2021Q3 | $266.28 | -62.3% | $24.8M |
| Renaissance Technologies | 2022Q3 | $296.84 | -66.1% | $31.7M |
| Ray Dalio (Bridgewater Associates) | 2022Q1 | $307.53 | -67.3% | $1.5M |
| Sands Capital Management | 2025Q3 | $321.84 | -68.8% | $4.0M |
| AQR Capital Management | 2023Q1 | $323.35 | -68.9% | $77.9M |
| Paul Tudor Jones (Tudor Investment) | 2021Q3 | $330.81 | -69.6% | $6.3M |
| Paul Tudor Jones (Tudor Investment) | 2021Q3 | $330.81 | -69.6% | $6.3M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions3
- Norges Bank (Norway SWF)+490,935$86.2M
- Paul Tudor Jones (Tudor Investment)+109,800$19.3M
- Steve Cohen (Point72)+59,600$10.5M
Added to6
- Baillie Gifford & Co+2,033,611$356.9M
- Izzy Englander (Millennium Mgmt)+229,361$40.3M
- Ken Griffin (Citadel Advisors)+89,024$15.6M
- AQR Capital Management+33,841$5.9M
- D.E. Shaw & Co.+28,314$5.0M
- Whale Rock Capital+8,477$1.5M
Trimmed6
- Renaissance Technologies−225,946$39.7M
- Two Sigma Investments−69,408$12.2M
- Ray Dalio (Bridgewater Associates)−35,414$6.2M
- Sands Capital Management−7,697$1.4M
- T. Rowe Price−280,375$49K
- Wellington Management−186$33K
Exited2
- Ron Baron (Baron Capital / BAMCO)−243,708$78.4M
- Lee Ainslie (Maverick Capital)−3,134$1.0M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 12 | $15.93B |
| 2022Q2 | 14 | $3.07B |
| 2022Q3 | 15 | $612.0M |
| 2022Q4 | 14 | $473.5M |
| 2023Q1 | 17 | $1.37B |
| 2023Q2 | 19 | $1.52B |
| 2023Q3 | 17 | $1.70B |
| 2023Q4 | 15 | $2.12B |
| 2024Q1 | 17 | $2.18B |
| 2024Q2 | 19 | $2.20B |
| 2024Q3 | 19 | $2.16B |
| 2024Q4 | 20 | $2.26B |
| 2025Q1 | 20 | $1.81B |
| 2025Q2 | 22 | $3.00B |
| 2025Q3 | 21 | $2.60B |
| 2025Q4 | 25 | $1.84B |
Congress members trading this stock
| Date | Member | Type | Amount range | Filing |
|---|---|---|---|---|
| 2025-08-13 | Lisa McClain | Sell | $1K – $15K | PDF ↗ |
| 2025-06-24 | Lisa McClain | Sell | $1K – $15K | PDF ↗ |
| 2025-06-17 | Lisa McClain | Buy | $1K – $15K | PDF ↗ |
Who owns DUOL
25 super-investors · 2025Q4
Tracked stake
10.46M
shares
Combined value
$1.84B
% of shares outstanding
—
shares-out unknown
Quarter action mix
New5Added12Trim8
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Baillie Gifford & Co | 4.86M | $853M |
| 2 | Whale Rock Capital | 876.6K | $154M |
| 3 | AQR Capital Management | 774.7K | $136M |
| 4 | Ken Griffin Citadel Advisors | 713.2K | $125M |
| 5 | Ken Griffin Citadel Advisors | 623.1K | $109M |
| 6 | Norges Bank Norway SWF | 490.9K | $86M |
| 7 | Ken Griffin Citadel Advisors | 319.1K | $56M |
| 8 | Renaissance Technologies | 315.6K | $55M |
| 9 | Izzy Englander Millennium Mgmt | 267.9K | $47M |
| 10 | T. Rowe Price | 247.1K | $43M |
| 11 | D.E. Shaw & Co. | 226.6K | $40M |
| 12 | Two Sigma Investments | 182.4K | $32M |
| 13 | Izzy Englander Millennium Mgmt | 151.2K | $27M |
| 14 | Paul Tudor Jones Tudor Investment | 62.6K | $11M |
| 15 | D.E. Shaw & Co. | 54.6K | $10M |
| 16 | Paul Tudor Jones Tudor Investment | 47.2K | $8M |
| 17 | Steve Cohen Point72 | 41.9K | $7M |
| 18 | Sands Capital Management | 40.0K | $7M |
| 19 | D.E. Shaw & Co. | 37.3K | $7M |
| 20 | Two Sigma Investments | 34.8K | $6M |
| 21 | Two Sigma Investments | 28.7K | $5M |
| 22 | Wellington Management | 25.4K | $4M |
| 23 | Steve Cohen Point72 | 17.7K | $3M |
| 24 | Ray Dalio Bridgewater Associates | 15.2K | $3M |
| 25 | Izzy Englander Millennium Mgmt | 4.6K | $807K |
Recent moves
20 transactions
- +8,477 · 2025Q4
- +109,800 · 2025Q4
- +33,841 · 2025Q4
- −69,408 · 2025Q4
- +229,361 · 2025Q4
- −186 · 2025Q4
- +89,024 · 2025Q4
- +59,600 · 2025Q4
- −243,708 · 2025Q4
- TRIMT. Rowe Price−280,375 · 2025Q4
- +28,314 · 2025Q4
- −3,134 · 2025Q4
- −35,414 · 2025Q4
- −7,697 · 2025Q4
- −225,946 · 2025Q4
- +490,935 · 2025Q4
- +2,033,611 · 2025Q4
- −41,932 · 2025Q3
- −237,621 · 2025Q3
- −321,047 · 2025Q3
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