Magnetar Financial’s Dolby DLB Stock Holding History

Magnetar Financial’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
2026 Q2	$2.5M	Buy	47,641 +21,499	+82%	+$1.23M	0.02%	309
2026 Q1	$1.57M	Buy	26,142 +12,638	+94%	+$799K	0.02%	367
2025 Q4	$867K	Buy	+13,504	New	+$907K	0.01%	462
2025 Q3	–	Sell	-3,775	Closed	-$280K	–	960
2025 Q2	$280K	Sell	3,775 -16,907	-82%	-$1.27M	﹤0.01%	719
2025 Q1	$1.66M	Buy	20,682 +16,968	+457%	+$1.38M	0.02%	291
2024 Q4	$290K	Buy	+3,714	New	+$283K	0.01%	477
2023 Q3	–	Sell	-6,246	Closed	-$523K	–	489
2023 Q2	$523K	Sell	6,246 -590	-9%	-$49.3K	0.01%	340
2023 Q1	$584K	Sell	6,836 -11,741	-63%	-$948K	0.01%	444
2022 Q4	$1.31M	Sell	18,577 -2,582	-12%	-$178K	0.02%	480
2022 Q3	$1.38M	Buy	+21,159	New	+$1.57M	0.02%	657
2021 Q3	–	Sell	-8,241	Closed	-$810K	–	1357
2021 Q2	$810K	Buy	+8,241	New	+$814K	0.01%	770
2019 Q3	–	Sell	-8,403	Closed	-$543K	–	501
2019 Q2	$543K	Buy	8,403 +4,744	+130%	+$302K	0.01%	286
2019 Q1	$230K	Buy	+3,659	New	+$234K	0.01%	361
2017 Q3	–	Sell	-4,365	Closed	-$214K	–	764
2017 Q2	$214K	Buy	+4,365	New	+$223K	﹤0.01%	668

Other funds holding DLB

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

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

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

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return

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

Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

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

Magnetar Financial's DLB Position: Q2 2026 in Review

Magnetar Financial increased its Dolby (DLB) stake by 82% in Q2 2026, buying an estimated $1.23M and bringing the position to 47,641 shares worth $2.5M. The position accounts for 0.02% of the portfolio, ranked #309.

Magnetar Financial first reported a position in DLB in Q2 2017 and has held it in 14 quarters since. 392 funds tracked by Wall St. Rank hold DLB as of Q2 2026.

Magnetar Financial held 47,641 shares of Dolby worth $2.5M as of Q2 2026.
Magnetar Financial bought 21,499 Dolby shares in Q2 2026, an estimated $1.23M.
Dolby made up 0.02% of Magnetar Financial's portfolio in Q2 2026, its #309 holding.
Magnetar Financial first reported a position in Dolby in Q2 2017 and has held it in 14 quarters since.
392 funds tracked by Wall St. Rank held Dolby as of Q2 2026.

Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.