Summit Trail Advisors’s Dolby DLB Stock Holding History

Summit Trail Advisors’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	$4.03M	Buy	76,707 +7,886	+11%	+$452K	0.05%	242
2026 Q1	$4.13M	Buy	68,821 +15,206	+28%	+$962K	0.06%	202
2025 Q4	$3.44M	Buy	53,615 +12,816	+31%	+$861K	0.06%	194
2025 Q3	$2.95M	Buy	40,799 +21,455	+111%	+$1.58M	0.04%	255
2025 Q2	$1.44M	Buy	+19,344	New	+$1.45M	0.02%	352
2018 Q4	–	Sell	-4,183	Closed	-$293K	–	150
2018 Q3	$293K	Sell	4,183 -177	-4%	-$11.9K	0.06%	154
2018 Q2	$269K	Sell	4,360 -8,665	-67%	-$551K	0.09%	113
2018 Q1	$519K	Buy	13,025 +1,725	+15%	+$111K	0.09%	202
2017 Q4	$722K	Buy	+11,300	New	+$683K	0.09%	184

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

Summit Trail Advisors's DLB Position: Q2 2026 in Review

Summit Trail Advisors increased its Dolby (DLB) stake by 11% in Q2 2026, buying an estimated $452K and bringing the position to 76,707 shares worth $4.03M. The position accounts for 0.05% of the portfolio, ranked #242.

Summit Trail Advisors first reported a position in DLB in Q4 2017 and has held it in 9 quarters since. The position peaked at $4.13M in Q1 2026. 392 funds tracked by Wall St. Rank hold DLB as of Q2 2026.

Summit Trail Advisors held 76,707 shares of Dolby worth $4.03M as of Q2 2026.
Summit Trail Advisors bought 7,886 Dolby shares in Q2 2026, an estimated $452K.
Dolby made up 0.05% of Summit Trail Advisors's portfolio in Q2 2026, its #242 holding.
Summit Trail Advisors first reported a position in Dolby in Q4 2017 and has held it in 9 quarters since.
Summit Trail Advisors's Dolby position peaked at $4.13M in Q1 2026.
392 funds tracked by Wall St. Rank held Dolby as of Q2 2026.

Based on Summit Trail Advisors's 13F filing for Q2 2026, filed 11 Aug 2026.