Form 13-F position report

* DOLBY LABORATORIES INC

Reported by VANGUARD GROUP INC

DLB CUSIP 25659T107 Manager CIK 0000102909

Reported 6,131,972 shares, up 191,986 (3.2%) from the prior quarter.

Reported value 4.9%; share count 3.2% vs. the prior quarter.

Added
% of reported 13F value 0.02% This manager · Q1 2021
Shares 6,131,972 Quarter-end amount reported
Reported value $605,349,000 Fair value at quarter end
Consecutive quarters held 32 Through Q1 2021

Reported position value by quarter

Reported position value by quarter

Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.

Reported position value by quarter
Date Holding Value
2021-03-31 605349000
2021-06-30 604674000
2021-09-30 541218000
2021-12-31 586337000
2022-03-31 489435000
2022-06-30 443037000
2022-09-30 392448000
2022-12-31 420677423
2023-03-31 516489980
2023-06-30 517457456
2023-09-30 506398797
2023-12-31 551099556
2024-03-31 544711325
2024-06-30 523297512
2024-09-30 533019282
2024-12-31 549325097
2025-03-31 605193833
2025-06-30 560923875
2025-09-30 561368589
2025-12-31 495813208

Quarterly position history

How this manager's reported quarter-end position changed over time.

20 quarters
Quarterly reported position history for * DOLBY LABORATORIES INC held by VANGUARD GROUP INC.
Quarter Activity Shares Change % of reported 13F Reported value Filed Source filing
Q4 2025 Reduced 7,720,542 -36,382 (-0.5%) < 0.01% $495,813,208 2026-01-29
Q3 2025 Added 7,756,924 +203,411 (2.7%) < 0.01% $561,368,589 2025-11-07
Q2 2025 Added 7,553,513 +17,791 (0.2%) < 0.01% $560,923,875 2025-08-11
Q1 2025 Added 7,535,722 +502,110 (7.1%) 0.01% $605,193,833 2025-05-09
Q4 2024 Added 7,033,612 +68,771 (1.0%) < 0.01% $549,325,097 2025-02-11
Q3 2024 Added 6,964,841 +360,051 (5.5%) < 0.01% $533,019,282 2024-11-13
Q2 2024 Added 6,604,790 +102,327 (1.6%) 0.01% $523,297,512 2024-08-13
Q1 2024 Added 6,502,463 +107,713 (1.7%) 0.01% $544,711,325 2024-05-10
Q4 2023 Added 6,394,750 +5,666 (0.1%) 0.01% $551,099,556 2024-02-14
Q3 2023 Added 6,389,084 +205,319 (3.3%) 0.01% $506,398,797 2023-11-14
Q2 2023 Added 6,183,765 +137,289 (2.3%) 0.01% $517,457,456 2023-08-14
Q1 2023 Added 6,046,476 +82,804 (1.4%) 0.01% $516,489,980 2023-05-15
Q4 2022 Reduced 5,963,672 -60,094 (-1.0%) 0.01% $420,677,423 2023-02-10
Q3 2022 Reduced 6,023,766 -167,351 (-2.7%) 0.01% $392,448,000 2022-11-14
Q2 2022 Reduced 6,191,117 -66,040 (-1.1%) 0.01% $443,037,000 2022-08-12
Q1 2022 Added 6,257,157 +99,453 (1.6%) 0.01% $489,435,000 2022-05-13
Q4 2021 Added 6,157,704 +7,488 (0.1%) 0.01% $586,337,000 2022-02-14
Q3 2021 Reduced 6,150,216 -1,718 (0.0%) 0.01% $541,218,000 2021-11-12
Q2 2021 Added 6,151,934 +19,962 (0.3%) 0.02% $604,674,000 2021-08-13
Q1 2021 Added 6,131,972 +191,986 (3.2%) 0.02% $605,349,000 2021-05-14
Five years are shown. A free account unlocks the complete reported history. Unlock full history

Who else reported the position

390 managers reported * DOLBY LABORATORIES INC for Q1 2021.

Managers reporting * DOLBY LABORATORIES INC in Q1 2021.
Manager Activity Shares Change % of reported 13F Reported value Tenure
VANGUARD GROUP INC This report Added 6,131,972 +191,986 0.02% $605,349,000 32 qtrs
BlackRock Inc Added 3,869,984 +182,601 0.01% $382,045,000 32 qtrs
Clearbridge Investments LLC Reduced 3,565,168 -78,364 0.26% $351,953,000 32 qtrs
ATLANTA CAPITAL MANAGEMENT CO L L C Added 2,793,383 +741,573 0.97% $275,763,000 5 qtrs
Jackson Square Partners LLC Added 2,777,559 +612,019 1.56% $274,200,000 2 qtrs
SOMA EQUITY PARTNERS LP Added 2,300,000 +100,000 4.99% $227,056,000 3 qtrs
JANUS HENDERSON GROUP PLC Reduced 2,218,242 -1,081,335 0.1% $218,985,000 20 qtrs
Polar Capital Holdings Plc Added 1,654,505 +253,895 1.01% $163,333,000 2 qtrs
MACKENZIE FINANCIAL CORP Reduced 1,605,217 -539,748 0.24% $158,467,000 13 qtrs
DISCIPLINED GROWTH INVESTORS INC MN Reduced 1,494,806 -207,218 2.99% $147,567,000 32 qtrs
Premium adds each manager's conviction percentile across reporting peers.
Filing details and methodology As reported
Report period
March 31, 2021
Filed
May 14, 2021
Filing type
13F-HR
Position type
COM CL A

Voting authority reported

Sole
0
Shared
44,515
None
6,087,457

“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.

Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.