Joel Isaacson & Co’s Duolingo DUOL Stock Holding History

Joel Isaacson & Co’s Portfolio DUOL Stock Details DUOL Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$224K	Buy	+1,944	New	+$213K	0.01%	442
2026 Q1	–	Sell	-2,144	Closed	-$376K	–	462
2025 Q4	$376K	Hold	2,144	–	–	0.01%	325
2025 Q3	$690K	Hold	2,144	–	–	0.02%	223
2025 Q2	$879K	Sell	2,144 -175	-8%	-$76.8K	0.04%	178
2025 Q1	$720K	Buy	2,319 +585	+34%	+$200K	0.03%	191
2024 Q4	$562K	Hold	1,734	–	–	0.03%	213
2024 Q3	$489K	Buy	1,734 +200	+13%	+$41K	0.02%	220
2024 Q2	$320K	Buy	1,534 +150	+11%	+$30.7K	0.02%	267
2024 Q1	$305K	Buy	1,384 +500	+57%	+$102K	0.02%	274
2023 Q4	$201K	Buy	+884	New	+$172K	0.01%	298

Other funds holding DUOL

Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

SOMRS

State of Michigan Retirement System Lansing, Michigan $22.6B AUM 40.24% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

SG Americas Securities New York $179B AUM 65.34% 1-Year Est. Return

Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

Citigroup New York $303B AUM 53.02% 1-Year Est. Return

Walleye Trading New York $87.6B AUM 68.17% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return

Mitsubishi UFJ Trust & Banking Tokyo, Japan $45.7B AUM 34.08% 1-Year Est. Return

Joel Isaacson & Co's DUOL Position: Q2 2026 in Review

Joel Isaacson & Co opened a new position in Duolingo (DUOL) in Q2 2026: 1,944 shares worth $224K. The stake represents 0.01% of the portfolio and ranks #442 among its holdings. This is a return to the name: Joel Isaacson & Co previously reported a position in DUOL as recently as Q4 2025.

Joel Isaacson & Co first reported a position in DUOL in Q4 2023 and has held it in 10 quarters since. The position peaked at $879K in Q2 2025. 187 funds tracked by Wall St. Rank hold DUOL as of Q2 2026.

Joel Isaacson & Co held 1,944 shares of Duolingo worth $224K as of Q2 2026.
Duolingo was a new Joel Isaacson & Co position in Q2 2026.
Duolingo made up 0.01% of Joel Isaacson & Co's portfolio in Q2 2026, its #442 holding.
Joel Isaacson & Co first reported a position in Duolingo in Q4 2023 and has held it in 10 quarters since.
Joel Isaacson & Co's Duolingo position peaked at $879K in Q2 2025.
187 funds tracked by Wall St. Rank held Duolingo as of Q2 2026.

Based on Joel Isaacson & Co's 13F filing for Q2 2026, filed 4 Aug 2026.