Duolingo, Inc.
Total Trades
290
Buys
26
Sells
210
Largest Trade
N/A
Insiders
11
Institutional Funds
388
Inst. Value
$1M+
Activist Filings
44
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Skaruppa Matthew | CFO | SELL | $100K–$500K | 2K | $132.44 | Aug 17, 2023 |
| Durable Capital Partners LP | 10% Owner | SELL | $1M+ | 47K | $145.17 | Aug 11, 2023 |
| von Ahn Luis | President & CEO | SELL | $1M+ | 33K | $153.17 | Jun 15, 2023 |
| Shelton James H | Director | EXERCISE | $100K–$500K | 10K | $22.91 | Jun 15, 2023 |
| Shelton James H | Director | SELL | $1M+ | 10K | $153.32 | Jun 15, 2023 |
| Munson Gillian | Director | SELL | $100K–$500K | 832 | $156.55 | Jun 13, 2023 |
| Clemens Sara | Director | EXERCISE | $100K–$500K | 10K | $16.27 | Jun 13, 2023 |
| Clemens Sara | Director | SELL | $1M+ | 12K | $155.87 | Jun 13, 2023 |
| Meese Robert | Chief Business Off… | SELL | $500K+ | 5K | $160.20 | Jun 6, 2023 |
| Skaruppa Matthew | CFO | SELL | $500K+ | 5K | $153.73 | Jun 5, 2023 |
| Skaruppa Matthew | CFO | EXERCISE | $50K–$100K | 5K | $14.42 | Jun 5, 2023 |
| Meese Robert | Chief Business Off… | SELL | $500K+ | 5K | $150.07 | May 23, 2023 |
| Skaruppa Matthew | CFO | SELL | $100K–$500K | 2K | $143.44 | May 19, 2023 |
| Skaruppa Matthew | CFO | SELL | $100K–$500K | 2K | $140.83 | May 16, 2023 |
| Meese Robert | Chief Business Off… | SELL | $100K–$500K | 763 | $140.83 | May 16, 2023 |
| Chen Stephen C. | General Counsel | SELL | $50K–$100K | 669 | $140.83 | May 16, 2023 |
| Glance Natalie | Chief Engineering … | SELL | $100K–$500K | 2K | $140.83 | May 16, 2023 |
| Meese Robert | Chief Business Off… | SELL | $50K–$100K | 400 | $150.00 | May 15, 2023 |
| Hacker Severin | Chief Tech Officer | SELL | $1M+ | 10K | $138.35 | May 2, 2023 |
| Skaruppa Matthew | CFO | SELL | $500K+ | 5K | $142.29 | Apr 4, 2023 |
| Skaruppa Matthew | CFO | EXERCISE | $50K–$100K | 5K | $14.42 | Apr 4, 2023 |
| Hacker Severin | Chief Tech Officer | SELL | $1M+ | 10K | $142.26 | Apr 4, 2023 |
| Meese Robert | Chief Business Off… | SELL | $500K+ | 5K | $140.25 | Apr 4, 2023 |
| Chen Stephen C. | General Counsel | EXERCISE | $100K–$500K | 9K | $14.42 | Mar 22, 2023 |
| Chen Stephen C. | General Counsel | SELL | $1M+ | 9K | $130.43 | Mar 22, 2023 |
| Chen Stephen C. | General Counsel | EXERCISE | $100K–$500K | 11K | $14.42 | Mar 9, 2023 |
| Chen Stephen C. | General Counsel | SELL | $1M+ | 11K | $130.10 | Mar 9, 2023 |
| Meese Robert | Chief Business Off… | SELL | $500K+ | 5K | $130.11 | Mar 9, 2023 |
| Skaruppa Matthew | CFO | EXERCISE | $100K–$500K | 12K | $14.42 | Mar 8, 2023 |
| Skaruppa Matthew | CFO | SELL | $1M+ | 12K | $125.19 | Mar 8, 2023 |
| Clemens Sara | Director | EXERCISE | $100K–$500K | 10K | $16.27 | Mar 7, 2023 |
| Clemens Sara | Director | SELL | $1M+ | 20K | $118.29 | Mar 7, 2023 |
| von Ahn Luis | President & CEO | SELL | $1M+ | 154K | $118.34 | Mar 7, 2023 |
| Glance Natalie | Chief Engineering … | EXERCISE | $100K–$500K | 27K | $11.70 | Mar 3, 2023 |
| Glance Natalie | Chief Engineering … | SELL | $1M+ | 27K | $118.34 | Mar 3, 2023 |
| Meese Robert | Chief Business Off… | SELL | $1M+ | 10K | $115.19 | Mar 3, 2023 |
| Hacker Severin | Chief Tech Officer | SELL | $1M+ | 10K | $108.22 | Mar 3, 2023 |
| Skaruppa Matthew | CFO | SELL | $500K+ | 5K | $108.08 | Mar 3, 2023 |
| Skaruppa Matthew | CFO | EXERCISE | N/A | 5K | — | Mar 3, 2023 |
| Glance Natalie | Chief Engineering … | SELL | $500K+ | 5K | $100.98 | Mar 2, 2023 |
| Glance Natalie | Chief Engineering … | EXERCISE | $15K–$50K | 5K | $7.29 | Mar 2, 2023 |
| Skaruppa Matthew | CFO | SELL | $100K–$500K | 3K | $91.69 | Feb 22, 2023 |
| Glance Natalie | Chief Engineering … | EXERCISE | $1K–$15K | 844 | $7.11 | Feb 21, 2023 |
| Glance Natalie | Chief Engineering … | SELL | $50K–$100K | 844 | $94.00 | Feb 21, 2023 |
| Meese Robert | Chief Business Off… | SELL | $50K–$100K | 801 | $96.94 | Feb 17, 2023 |
| Chen Stephen C. | General Counsel | SELL | $15K–$50K | 484 | $96.94 | Feb 17, 2023 |
| Skaruppa Matthew | CFO | SELL | $100K–$500K | 1K | $96.94 | Feb 17, 2023 |
| Glance Natalie | Chief Engineering … | SELL | $100K–$500K | 1K | $96.94 | Feb 17, 2023 |
| Meese Robert | Chief Business Off… | SELL | $500K+ | 5K | $100.18 | Feb 3, 2023 |
| Hacker Severin | Chief Tech Officer | SELL | $500K+ | 10K | $95.59 | Feb 3, 2023 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 388 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| Capital World Investors | 2.2M | $1M+ | SH |
| STATE STREET CORP | 1.2M | $1M+ | SH |
| Whale Rock Capital Management LLC | 877K | $1M+ | SH |
| BAILLIE GIFFORD & CO | 775K | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 679K | $1M+ | SH |
| STATE OF MICHIGAN RETIREMENT SYSTEM | 561K | $1M+ | SH |
| NORGES BANK | 491K | $1M+ | SH |
| RENAISSANCE TECHNOLOGIES LLC | 316K | $1M+ | SH |
| Capital International Investors | 309K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 297K | $1M+ | SH |
| CARNEGIE MELLON UNIVERSITY | 295K | $1M+ | SH |
| VANGUARD GROUP INC | 248K | $1M+ | SH |
| ThornTree Capital Partners LP | 185K | $1M+ | SH |
| BIT Capital GmbH | 179K | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 158K | $1M+ | SH |
| PEREGRINE CAPITAL MANAGEMENT LLC | 130K | $1M+ | SH |
| Squarepoint Ops LLC | 129K | $1M+ | SH |
| Quinn Opportunity Partners LLC | 127K | $1M+ | SH |
| FIRST TRUST ADVISORS LP | 122K | $1M+ | SH |
| RHUMBLINE ADVISERS | 121K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Nov 4, 2025
12.4%
4.9M shares
SC 13G/A · Nov 3, 2025
7.1%
2.8M shares
SC 13G · Aug 13, 2025
6.0%
2.3M shares
SC 13G/A · Aug 6, 2025
7.0%
2.8M shares
SC 13G/A · May 15, 2025
4.3%
1.7M shares
SC 13G/A · May 12, 2025
9.1%
3.6M shares
SC 13G/A · Apr 17, 2025
7.6%
3.2M shares
SC 13G/A · Feb 14, 2025
6.1%
2.3M shares
SC 13G/A · Feb 7, 2025
10.4%
3.9M shares
SC 13G/A · Feb 7, 2025
9.8%
3.7M shares
SC 13G · Nov 12, 2024
7.1%
2.7M shares
SC 13G/A · Nov 8, 2024
9.2%
3.5M shares
SC 13G/A · Nov 4, 2024
8.6%
3.2M shares
SC 13G/A · Oct 21, 2024
9.2%
3.5M shares
SC 13G/A · May 8, 2024
10.8%
4.0M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
9.3%
3.3M shares
SC 13G/A · Feb 12, 2024
8.9%
3.2M shares
Baillie Gifford & Co (Scottish partnership)
SC 13G/A · Jan 29, 2024
10.0%
3.6M shares
SC 13G/A · Jan 26, 2024
7.0%
2.5M shares
SC 13G/A · Mar 28, 2023
10.8%
3.8M shares
SC 13G/A · Mar 28, 2023
10.7%
3.8M shares
SC 13G · Feb 14, 2023
10.7%
3.8M shares
SC 13G · Feb 14, 2023
10.8%
3.8M shares
SC 13G/A · Feb 14, 2023
4.0%
1.3M shares
Gilder, Gagnon, Howe & Co. LLC
SC 13G/A · Feb 14, 2023
2.8%
879K shares
NewView Capital Fund I, L.P. (“NVC Fund I”)
SC 13G/A · Feb 14, 2023
3.2%
1.0M shares
SC 13G/A · Feb 13, 2023
4.7%
1.5M shares
SC 13G/A · Feb 13, 2023
13.3%
4.2M shares
KPCB Digital Growth Fund, LLC (“KPCB DGF”)
SC 13G/A · Feb 3, 2023
0.0%
0 shares
Baillie Gifford & Co (Scottish partnership)
SC 13G/A · Jan 30, 2023
10.4%
3.3M shares
Morgan Stanley I.R.S. # 36-3145972
SC 13G/A · Dec 9, 2022
1.9%
581K shares
Baillie Gifford & Co (Scottish partnership)
SC 13G/A · Oct 6, 2022
10.0%
3.1M shares
Baillie Gifford & Co (Scottish partnership)
SC 13G/A · May 4, 2022
7.5%
2.1M shares
NewView Capital Fund I, L.P. (“NVC Fund I”)
SC 13G · Feb 14, 2022
24.9%
5.2M shares
SC 13G · Feb 14, 2022
6.1%
1.0M shares
Gilder, Gagnon, Howe & Co. LLC
SC 13G · Feb 14, 2022
6.2%
979K shares
KPCB Digital Growth Fund, LLC (“KPCB DGF”)
SC 13G · Feb 11, 2022
15.4%
2.4M shares
SC 13G · Feb 11, 2022
19.7%
3.9M shares
SC 13G · Feb 11, 2022
20.0%
4.0M shares
SC 13G · Feb 11, 2022
10.5%
1.8M shares
Morgan Stanley I.R.S. # 36-3145972
SC 13G · Feb 11, 2022
6.2%
984K shares
SC 13G · Jan 18, 2022
6.0%
943K shares
Baillie Gifford & Co (Scottish partnership)
SC 13G/A · Jan 18, 2022
13.1%
2.1M shares
SC 13G/A · Jan 6, 2022
10.8%
1.7M shares