Duolingo, Inc. (DUOL) Ownership

NASDAQ: DUOLTop holders, insider trades and short interest.

DUOL ownership summary

as of October 18, 2026
Institutions
99.8%
of shares outstanding
Insiders
1.50%
of shares outstanding
Shares outstanding
40.2M
Float
40.0M
shares available to trade
Short interest
20.37%
7.2M shares short
Days to cover
6.01
short interest up 8.8% vs prior month
  • Institutions 99.76%
  • Insiders 1.50%

DUOL top institutional holders

20 largest
Duolingo, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1Baillie Gifford & Co Limited.10.31%4.8M$683.9M−51,512 (−1.1%)June 30, 2026
2BlackRock Inc8.27%3.9M$548.2M−119,386 (−3.0%)June 30, 2026
3AQR Capital Management LLC4.99%2.3M$330.7M+2.2M (+2,019.6%)June 30, 2026
4Vanguard Capital Management, LLC3.73%1.7M$247.5M+22,557 (+1.3%)June 30, 2026
5Two Sigma Investments LLC3.48%1.6M$231.0M+233,698 (+16.7%)June 30, 2026
6Fidelity International Ltd3.43%1.6M$227.3M−19,251 (−1.2%)June 30, 2026
7Vanguard Portfolio Management, LLC3.43%1.6M$227.3M−29,370 (−1.8%)June 30, 2026
8Federated Hermes Inc2.93%1.4M$194.5M+118,791 (+9.5%)June 30, 2026
9State Treasurer State Of Michigan2.79%1.3M$185.2M+112,800 (+9.5%)June 30, 2026
10State Street Corp2.63%1.2M$174.3M+45,747 (+3.9%)June 30, 2026
11Bank of America Corp2.54%1.2M$168.7M−141,923 (−10.7%)June 30, 2026
12FMR Inc2.42%1.1M$160.3M+37,797 (+3.5%)June 30, 2026
13UBS Group AG2.19%1.0M$145.4M−72,060 (−6.6%)June 30, 2026
14Geode Capital Management, LLC1.64%769K$109.0M−49,257 (−6.0%)June 30, 2026
15The Goldman Sachs Group Inc1.33%625K$88.5M+272,081 (+77.2%)June 30, 2026
16Quinn Opportunity Partners LLC1.19%556K$78.8M+58,302 (+11.7%)June 30, 2026
17Morgan Stanley - Brokerage Accounts1.08%506K$71.8M−447,603 (−46.9%)June 30, 2026
18Gilder Gagnon Howe & CO LLC1.07%502K$71.2M−6,206 (−1.2%)June 30, 2026
19Whale Rock Capital Management LLC1.01%472K$66.9M—June 30, 2026
20Amundi1.01%471K$66.8M+22,220 (+4.9%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 10 holders added 3.1M shares and 9 cut 937K.

DUOL top mutual fund and ETF holders

20 largest
Duolingo, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1iShares Core S&P Mid-Cap ETF3.08%1.4M$204.0M−516 (−0.0%)September 30, 2026
2Vanguard MStar Total Stk Mkt Idx Invest2.60%1.2M$172.2M−1,496 (−0.1%)August 31, 2026
3Jupiter Merian Glb Eq Abs Rt I USD Acc2.37%1.1M$157.4M+576,398 (+108.0%)June 30, 2026
4Fidelity Global Technology A-Dis-EUR2.08%974K$138.0M+69,610 (+7.7%)August 31, 2026
5Vanguard Small Cap Index1.88%880K$124.7M+961 (+0.1%)August 31, 2026
6Vanguard US Growth Investor1.85%865K$122.6M—June 30, 2026
7Federated Hermes MDT Mid Cap Growth A1.50%702K$99.6M−27,835 (−3.8%)June 30, 2026
8Vanguard MStar Small Cap Growth Indx Inv1.08%505K$71.6M−4,202 (−0.8%)August 31, 2026
9State Street® SPDR® S&P MIDCAP 400® ETF0.63%294K$41.7M−3,314 (−1.1%)August 31, 2026
10Fidelity Mid-Cap Stock0.58%272K$38.5M+20,800 (+8.3%)August 31, 2026
11Baillie Gifford American B Inc0.57%267K$37.9M−1,334 (−0.5%)August 31, 2026
12Baillie Gifford WW L/T Glb Gr B USD Acc0.50%233K$33.0M−522 (−0.2%)August 31, 2026
13State Street SPDR Port S&P 400 Md CpETF0.46%214K$30.3M−304 (−0.1%)September 30, 2026
14Schwab US Small-Cap ETF™0.45%213K$30.1M+135 (+0.1%)September 30, 2026
15Pacer US Large Cp CA Cows Gr Ldrs ETF0.45%212K$30.0M—September 30, 2026
16Fidelity Extended Market Index0.42%198K$28.0M+3,955 (+2.0%)August 31, 2026
17Baillie Gifford Positive Change B Acc0.42%196K$27.8M−4,758 (−2.4%)August 31, 2026
18Federated Hermes MDT Market Neutral IS0.41%194K$27.5M+44,900 (+30.1%)June 30, 2026
19FAST - Global Fund I-PF-ACC-USD0.40%187K$26.5M−33 (−0.0%)June 30, 2026
20Fidelity OTC0.39%184K$26.1M—August 31, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

DUOL insider transactions

latest 20
Duolingo, Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-03-03James H SheltonBuy$99.765,000$498,800
2026-02-18Natalie GlanceSell$113.513,545$402,393
2026-02-18Matthew SkaruppaSell$113.523,986$452,491
2026-02-18Stephen C ChenSell$113.261,901$215,307
2026-02-17Matthew SkaruppaSell$110.061,870$205,812
2026-02-17Natalie GlanceSell$110.061,741$191,614
2026-02-17Robert MeeseSell$110.061,000$110,060
2026-02-17Stephen C ChenSell$110.06896$98,614
2025-11-19Severin HackerSell$172.7410,000$1.7M
2025-11-18Stephen C ChenSell$175.871,514$266,267
2025-11-18Stephen C ChenSell$175.871,514$266,267
2025-11-18Natalie GlanceSell$175.792,471$434,377
2025-11-18Matthew SkaruppaSell$175.763,059$537,650
2025-11-18Natalie GlanceSell$175.792,471$434,377
2025-11-17Robert MeeseSell$177.951,444$256,960
2025-11-17Matthew SkaruppaSell$177.952,799$498,082
2025-11-17Matthew SkaruppaSell$177.952,799$498,082
2025-11-17Stephen C ChenSell$177.951,282$228,132
2025-11-17Stephen C ChenSell$177.951,282$228,132
2025-11-17Natalie GlanceSell$177.952,534$450,925

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

DUOL shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns DUOL

Institutional investors own 99.8% of Duolingo's shares and insiders 1.50%. The largest holder is Baillie Gifford & Co Limited. with 10.31% of the shares (4.8M), as of June 30, 2026. Among the top 20 institutions, 10 added shares and 9 reduced their stake in the latest filings. Short interest is 20.37% of the float, or 6.01 days of average trading volume. The share count rose 38.7% since 2019.

Related: DUOL analyst forecast, DUOL key metrics. See the DUOL stock overview for the latest quote and news.

DUOL ownership FAQ

Who owns the most Duolingo stock?

The largest shareholders of Duolingo are Baillie Gifford & Co Limited. (10.31%), BlackRock Inc (8.27%), AQR Capital Management LLC (4.99%), Vanguard Capital Management, LLC (3.73%), Two Sigma Investments LLC (3.48%).

What percentage of Duolingo is owned by institutions?

Institutions hold 99.8% of Duolingo's shares outstanding; insiders hold 1.50%.

Which funds own Duolingo?

The largest fund holders of Duolingo are iShares Core S&P Mid-Cap ETF (3.08%), Vanguard MStar Total Stk Mkt Idx Invest (2.60%), Jupiter Merian Glb Eq Abs Rt I USD Acc (2.37%), Fidelity Global Technology A-Dis-EUR (2.08%), Vanguard Small Cap Index (1.88%).

What is Duolingo's short interest?

7.2M shares of Duolingo were sold short, 20.37% of the float; at the average daily volume it would take 6.01 days to cover.

Are insiders buying or selling Duolingo?

Of the latest 20 reported insider transactions in Duolingo (since November 17, 2025), 1 were purchases and 19 were sales.

How many shares of Duolingo are outstanding?

Duolingo has 40.2M shares outstanding, of which 40.0M are in the public float.

Software - Application: ownership