MF
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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
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 -$810 – 1357
2021
Q2 		$810 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
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Bank of New York Mellon
Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
SCM
Snyder Capital Management San Francisco, California $5.16B AUM 26.72% 1-Year Est. Return

Magnetar Financial's DLB Position: Q1 2026 in Review

Magnetar Financial increased its Dolby (DLB) stake by 94% in Q1 2026, buying an estimated $799K and bringing the position to 26,142 shares worth $1.57M. The position accounts for 0.02% of the portfolio, ranked #367.

Magnetar Financial first reported a position in DLB in Q2 2017 and has held it in 13 quarters since. The position peaked at $1.66M in Q1 2025. 418 funds tracked by Wall St. Rank hold DLB as of Q1 2026.

  • Magnetar Financial held 26,142 shares of Dolby worth $1.57M as of Q1 2026.
  • Magnetar Financial bought 12,638 Dolby shares in Q1 2026, an estimated $799K.
  • Dolby made up 0.02% of Magnetar Financial's portfolio in Q1 2026, its #367 holding.
  • Magnetar Financial first reported a position in Dolby in Q2 2017 and has held it in 13 quarters since.
  • Magnetar Financial's Dolby position peaked at $1.66M in Q1 2025.
  • 418 funds tracked by Wall St. Rank held Dolby as of Q1 2026.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.