What does CUSIP 26603R106 represent in this 13F holders report?

CUSIP 26603R106 is the security identifier for DUOL - Duolingo, Inc. - Common Stock used to aggregate holder disclosures.

How many institutions held DUOL - Duolingo, Inc. - Common Stock in Q2 2025?

581 institutional investors reported DUOL - Duolingo, Inc. - Common Stock for Q2 2025. Use the holders table for investor-level position and value details.

Duolingo, Inc. - Common Stock (DUOL)

CUSIP: 26603R106

Q2 2025 13F Holders as of 30 Jun 2025

Security type / class: Equity / Common Stock
Total 13F shares: 38,493,072
Total 13F value: $15,775,964,616
Share change: +2,007,565
Put/Call ratio: 162%
SEC-reported price per share: $410.02
Number of holders: 581
Value change: +$929,250,960
Number of buys: 397
Number of sells: 181
Shares outstanding: 40,291,843

Security key

26603R106

Report period

Q2 2025

Institutions

581

Top holders

DUOL full security history Ownership snapshot Full 13F holder table Duolingo, Inc. SEC filings Duolingo, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of DUOL - Duolingo, Inc. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Severin Hacker

Disclosed value leader

Severin Hacker

Comparable rows

15/15

Latest evidence

31 Mar 2025

13D/G 3/4/5 13F Lead comparable stake: 7.6% 13D/G row: Severin Hacker Showing 1-6 of 15 holder rows.

Quick read

Severin Hacker leads the comparable SEC ownership view at 7.6%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Severin Hacker's linked filing trail.

Comparable ownership Top 5

Severin Hacker 7.6%

Durable Capital Partners LP 4.3%

BlackRock, Inc. 9%

FMR LLC 8.8%

VANGUARD GROUP INC 8.8%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Severin Hacker	13D/G Hacker Severin 13D/G	7.6%	$1,221,212,998 3,198,316 shares	$0	31 Mar 2025
Durable Capital Partners LP	3/4/5 13D/G 13F 10%+ Owner · Company 3/4/5 13D/G 13F	4.3% from 13D/G	$761,629,168 3,556,688 shares	—	09 Nov 2023
BlackRock, Inc.	13F Company 13F	9%	$1,121,810,474 3,612,451 shares	—	31 Mar 2025
FMR LLC	13F Company 13F	8.8%	$1,104,245,331 3,555,887 shares	—	31 Mar 2025
VANGUARD GROUP INC	13F Company 13F	8.8%	$1,096,770,142 3,531,816 shares	—	31 Mar 2025
BAILLIE GIFFORD & CO	13F Company 13F	6.1%	$769,441,106 2,477,752 shares	—	31 Mar 2025

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

581

38,493,072

Rows available

581

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2025 vs Q1 2025 Across Filers

Q1 2025 holders

466

Q2 2025 holders

581

Holder diff

115

Investor	Q1 2025 Shares	Q2 2025 Shares	Share Diff	Share Chg %	Q1 2025 value	Q2 2025 value	Value change	Value Chg %