Jane Street’s Dolby DLB Stock Holding History

Jane Street’s Portfolio DLB Stock Details DLB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2023 Q3	–	Sell	-33,400	Closed	-$2.79M	–	8769
2023 Q2	$2.79M	Buy	+33,400	New	+$2.79M	﹤0.01%	3625
2022 Q4	–	Sell	-4,000	Closed	-$261K	–	9310
2022 Q3	$261K	Sell	4,000 -59,500	-94%	-$4.43M	﹤0.01%	7792
2022 Q2	$4.54M	Buy	+63,500	New	+$4.8M	﹤0.01%	2812
2021 Q3	–	Sell	-6,100	Closed	-$600K	–	10059
2021 Q2	$600K	Sell	6,100 -8,700	-59%	-$859K	﹤0.01%	6893
2021 Q1	$1.46M	Buy	+14,800	New	+$1.42M	﹤0.01%	4667
2020 Q4	–	Sell	-8,500	Closed	-$563K	–	7572
2020 Q3	$563K	Buy	+8,500	New	+$575K	﹤0.01%	4965

Other funds holding DLB

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

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return

SCM

Snyder Capital Management San Francisco, California $5.16B AUM 26.72% 1-Year Est. Return

DGI

Disciplined Growth Investors Minneapolis, Minnesota $4.89B AUM 33.85% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Jane Street's DLB Position: Q4 2025 in Review

Jane Street sold out of Dolby (DLB) in Q4 2025, closing a stake of 17,620 shares — an estimated $1.28M sold.

Jane Street first reported a position in DLB in Q2 2013 and held it in 31 quarters. The position peaked at $21.2M in Q3 2023. 403 funds tracked by Wall St. Rank hold DLB as of Q4 2025.

Jane Street reported no remaining Dolby position as of Q4 2025 after selling out during the quarter.
Jane Street sold 17,620 Dolby shares in Q4 2025, an estimated $1.28M.
Jane Street first reported a position in Dolby in Q2 2013 and held it in 31 quarters.
Jane Street's Dolby position peaked at $21.2M in Q3 2023.
403 funds tracked by Wall St. Rank held Dolby as of Q4 2025.

Based on Jane Street's 13F filing for Q4 2025, filed 12 Feb 2026.