Osterweis Capital Management’s Duolingo DUOL Stock Holding History

Osterweis Capital Management’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
2025 Q3	–	Sell	-11,476	Closed	-$4.71M	–	285
2025 Q2	$4.71M	Sell	11,476 -9,384	-45%	-$4.12M	0.23%	81
2025 Q1	$6.48M	Sell	20,860 -228	-1%	-$78K	0.32%	77
2024 Q4	$6.84M	Sell	21,088 -16,861	-44%	-$5.37M	0.32%	84
2024 Q3	$10.7M	Sell	37,949 -19,485	-34%	-$4M	0.54%	59
2024 Q2	$12M	Buy	57,434 +22,270	+63%	+$4.56M	0.62%	45
2024 Q1	$7.76M	Buy	+35,164	New	+$7.16M	0.46%	61

Other funds holding DUOL

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

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

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

Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

DIG

Dragoneer Investment Group San Francisco, California $2.83B AUM 12.55% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

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

DCP

Durable Capital Partners Bethesda, Maryland $10.3B AUM 29.04% 1-Year Est. Return

WRCM

Whale Rock Capital Management Boston, Massachusetts $12.5B AUM 306.52% 1-Year Est. Return

Osterweis Capital Management's DUOL Position: Q3 2025 in Review

Osterweis Capital Management sold out of Duolingo (DUOL) in Q3 2025, closing a stake of 11,476 shares — an estimated $4.71M sold.

Osterweis Capital Management first reported a position in DUOL in Q1 2024 and held it in 6 quarters. The position peaked at $12M in Q2 2024. 545 funds tracked by Wall St. Rank hold DUOL as of Q3 2025.

Osterweis Capital Management reported no remaining Duolingo position as of Q3 2025 after selling out during the quarter.
Osterweis Capital Management sold 11,476 Duolingo shares in Q3 2025, an estimated $4.71M.
Osterweis Capital Management first reported a position in Duolingo in Q1 2024 and held it in 6 quarters.
Osterweis Capital Management's Duolingo position peaked at $12M in Q2 2024.
545 funds tracked by Wall St. Rank held Duolingo as of Q3 2025.

Based on Osterweis Capital Management's 13F filing for Q3 2025, filed 14 Nov 2025.