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 Q4	–	Sell	-17,620	Closed	-$1.28M	–	11365
2025 Q3	$1.28M	Buy	17,620 +14,398	+447%	+$1.06M	﹤0.01%	5804
2025 Q2	$239K	Buy	+3,222	New	+$241K	﹤0.01%	8244
2025 Q1	–	Sell	-91,946	Closed	-$7.18M	–	9638
2024 Q4	$7.18M	Buy	91,946 +85,674	+1,366%	+$6.53M	﹤0.01%	2219
2024 Q3	$480K	Sell	6,272 -39,358	-86%	-$2.93M	﹤0.01%	7256
2024 Q2	$3.62M	Buy	45,630 +31,899	+232%	+$2.57M	﹤0.01%	3485
2024 Q1	$1.15M	Sell	13,731 -42,435	-76%	-$3.51M	﹤0.01%	5143
2023 Q4	$4.84M	Sell	56,166 -211,128	-79%	-$17.8M	﹤0.01%	2901
2023 Q3	$21.2M	Buy	267,294 +249,023	+1,363%	+$20.9M	0.01%	1051
2023 Q2	$1.53M	Buy	18,271 +10,039	+122%	+$839K	﹤0.01%	4569
2023 Q1	$703K	Sell	8,232 -10,094	-55%	-$815K	﹤0.01%	5706
2022 Q4	$1.29M	Sell	18,326 -17,186	-48%	-$1.18M	﹤0.01%	4567
2022 Q3	$2.31M	Buy	35,512 +15,882	+81%	+$1.18M	﹤0.01%	3942
2022 Q2	$1.41M	Buy	+19,630	New	+$1.48M	﹤0.01%	4838
2022 Q1	–	Sell	-4,068	Closed	-$387K	–	10418
2021 Q4	$387K	Sell	4,068 -8,979	-69%	-$804K	﹤0.01%	7712
2021 Q3	$1.15M	Buy	13,047 +7,189	+123%	+$697K	﹤0.01%	5634
2021 Q2	$575K	Buy	+5,858	New	+$579K	﹤0.01%	6974
2021 Q1	–	Sell	-9,342	Closed	-$893K	–	9165
2020 Q4	$907K	Buy	+9,342	New	+$772K	﹤0.01%	4820
2020 Q3	–	Sell	-5,939	Closed	-$402K	–	7258
2020 Q2	$391K	Sell	5,939 -5,811	-49%	-$348K	﹤0.01%	5437
2020 Q1	$637K	Buy	+11,750	New	+$770K	﹤0.01%	3350
2019 Q4	–	Sell	-4,802	Closed	-$310K	–	5159
2019 Q3	$310K	Buy	+4,802	New	+$302K	﹤0.01%	4139
2018 Q4	–	Sell	-9,856	Closed	-$690K	–	5072
2018 Q3	$690K	Buy	+9,856	New	+$661K	﹤0.01%	3222
2018 Q2	–	Sell	-3,985	Closed	-$253K	–	5059
2018 Q1	$253K	Buy	+3,985	New	+$256K	﹤0.01%	4212
2017 Q3	–	Sell	-93,513	Closed	-$4.58M	–	4535
2017 Q2	$4.58M	Sell	93,513 -171,464	-65%	-$8.74M	0.02%	829
2017 Q1	$13.9M	Buy	+264,977	New	+$13.1M	0.06%	280
2016 Q4	–	Sell	-24,737	Closed	-$1.34M	–	4102
2016 Q3	$1.34M	Buy	24,737 +17,084	+223%	+$855K	0.01%	1610
2016 Q2	$366K	Buy	+7,653	New	+$350K	﹤0.01%	3095
2014 Q4	–	Sell	-32,325	Closed	-$1.35M	–	2570
2014 Q3	$1.35M	Buy	32,325 +23,215	+255%	+$1.03M	0.01%	774
2014 Q2	$394K	Sell	9,110 -3,857	-30%	-$161K	0.01%	1604
2014 Q1	$577K	Buy	+12,967	New	+$545K	0.01%	1428
2013 Q4	–	Sell	-30,872	Closed	-$1.06M	–	2440
2013 Q3	$1.06M	Buy	30,872 +23,708	+331%	+$788K	0.01%	1091
2013 Q2	$240K	Buy	+7,164	New	+$240K	﹤0.01%	2086

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.