Martingale Asset Management’s Dolby DLB Stock Holding History

Martingale Asset Management’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	$5.58M	Sell	106,118 -152,618	-59%	-$8.75M	0.13%	161
2026 Q1	$15.5M	Buy	258,736 +8,060	+3%	+$510K	0.39%	90
2025 Q4	$16.1M	Buy	250,676 +6,513	+3%	+$437K	0.41%	89
2025 Q3	$17.7M	Buy	244,163 +965	+0.4%	+$71K	0.44%	81
2025 Q2	$18.1M	Buy	243,198 +51,867	+27%	+$3.88M	0.44%	86
2025 Q1	$15.4M	Buy	+191,331	New	+$15.6M	0.39%	93
2022 Q2	–	Sell	-33,063	Closed	-$2.59M	–	851
2022 Q1	$2.59M	Sell	33,063 -30,960	-48%	-$2.49M	0.04%	231
2021 Q4	$6.1M	Buy	+64,023	New	+$5.73M	0.08%	180
2019 Q3	–	Sell	-3,400	Closed	-$220K	–	1003
2019 Q2	$220K	Hold	3,400	–	–	﹤0.01%	982
2019 Q1	$215K	Buy	+3,400	New	+$217K	﹤0.01%	985

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

Martingale Asset Management's DLB Position: Q2 2026 in Review

Martingale Asset Management reduced its Dolby (DLB) stake by 59% in Q2 2026, selling an estimated $8.75M and leaving 106,118 shares worth $5.58M. The position accounts for 0.13% of the portfolio, ranked #161.

Martingale Asset Management first reported a position in DLB in Q1 2019 and has held it in 10 quarters since. The position peaked at $18.1M in Q2 2025. 391 funds tracked by Wall St. Rank hold DLB as of Q2 2026.

Martingale Asset Management held 106,118 shares of Dolby worth $5.58M as of Q2 2026.
Martingale Asset Management sold 152,618 Dolby shares in Q2 2026, an estimated $8.75M.
Dolby made up 0.13% of Martingale Asset Management's portfolio in Q2 2026, its #161 holding.
Martingale Asset Management first reported a position in Dolby in Q1 2019 and has held it in 10 quarters since.
Martingale Asset Management's Dolby position peaked at $18.1M in Q2 2025.
391 funds tracked by Wall St. Rank held Dolby as of Q2 2026.

Based on Martingale Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.