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Joel Isaacson & Co., LLC

Position in DUOL — Duolingo, Inc.

CIK 1599330 NEW YORK, NY

Position in DUOL

as of Jun 30, 2026 · filed Aug 4, 2026
Position Value
$223,598
-$152,674 QoQ
Shares Held
1,944
-9.3% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#286
of 429 holders
Holding Since
Dec 2023
10 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in DUOL Over Time

Shares Held

Position Value (USD)

Position in Software - Application

Technology · as of Jun 30, 2026

Joel Isaacson & Co., LLC holds $5,480,599 across 10 Software - Application names. DUOL ranks #9 (4.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in DUOL

Export CSV
10 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $223,598 1,944
2025-12-31 $376,272 2,144
2025-09-30 $690,024 2,144
2025-06-30 $879,082 2,144
2025-03-31 $720,142 2,319
2024-12-31 $562,214 1,734
2024-09-30 $489,022 1,734
2024-06-30 $320,099 1,534
2024-03-31 $305,282 1,384
2023-12-31 $200,535 884