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
2025 Q1	–	Sell	-3,600	Closed	-$281K	–	9639
2024 Q4	$281K	Buy	+3,600	New	+$274K	﹤0.01%	7843
2024 Q1	–	Sell	-30,600	Closed	-$2.64M	–	9363
2023 Q4	$2.64M	Buy	30,600 +22,000	+256%	+$1.86M	﹤0.01%	3845
2023 Q3	$682K	Sell	8,600 -6,000	-41%	-$503K	﹤0.01%	5769
2023 Q2	$1.22M	Buy	14,600 +2,000	+16%	+$167K	﹤0.01%	4895
2023 Q1	$1.08M	Buy	+12,600	New	+$1.02M	﹤0.01%	4858
2022 Q3	–	Sell	-6,000	Closed	-$429K	–	9830
2022 Q2	$429K	Buy	+6,000	New	+$454K	﹤0.01%	7003
2021 Q3	–	Sell	-2,900	Closed	-$285K	–	10060
2021 Q2	$285K	Sell	2,900 -3,300	-53%	-$326K	﹤0.01%	8232
2021 Q1	$612K	Buy	+6,200	New	+$593K	﹤0.01%	6433
2017 Q3	–	Sell	-15,000	Closed	-$734K	–	4536
2017 Q2	$734K	Buy	+15,000	New	+$765K	﹤0.01%	2544
2016 Q3	–	Sell	-4,600	Closed	-$220K	–	4075
2016 Q2	$220K	Buy	+4,600	New	+$210K	﹤0.01%	3638

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.