Campbell & CO Investment Adviser LLC DLB — D DOLBY LABORATORIES I NC CL A C COMMON STOCK

Ownership history in Campbell & CO Investment Adviser LLC  ·  24 quarters on record

AI Ownership Summary

Campbell & CO Investment Adviser LLC reported D DOLBY LABORATORIES I NC CL A C COMMON STOCK (DLB) in 24 quarterly 13F filings from 2024 Q1 through 2026 Q2. Peak portfolio weight reached 0.3% in 2026 Q2. The latest visible filing shows DLB at 0.30% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this DLB ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Campbell & CO Investment Adviser LLC's position in D DOLBY LABORATORIES I NC CL A C COMMON STOCK, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q2

DLB was reported at 0.30% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.3% in 2026 Q2

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2024 Q1 to 2026 Q2

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

DLB stock page Campbell & CO Investment Adviser LLC fund profile Campbell & CO Investment Adviser LLC full holdings
How Campbell & CO Investment Adviser LLC held DLB — position size vs. price
% of Fund (quarterly)    DLB price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 9 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q2 ADDED — — — 107,778 +94,103 +688.1% 0.30% $5.7M 2026-08-03 $59.38
2026 Q1 REDUCED 45.8% -12.7% ✅ 13,675 -11,574 -45.8% 0.05% $821K 2026-05-15 $53.90
2025 Q4 ADDED — — — 25,249 +7,974 +46.2% 0.08% $1.6M 2026-02-12 $65.77
2025 Q2 ADDED — — — 17,275 +11,384 +193.2% 0.08% $1.3M 2025-08-07 $70.03
2025 Q1 REDUCED 84.4% -7.1% ✅ 5,891 -31,807 -84.4% 0.04% $473K 2025-05-14 $74.86
2024 Q4 ADDED — — — 37,698 +11,733 +45.2% 0.23% $2.9M 2025-02-10 $81.55
2024 Q3 REDUCED 24.0% +2.4% ❌ 25,965 -8,203 -24.0% 0.15% $2.0M 2024-11-12 $71.05
2024 Q2 ADDED — — — 34,168 +25,718 +304.4% 0.23% $2.7M 2024-08-13 $66.45
2024 Q1 ADDED — — — 8,450 +5,654 +202.2% 0.06% $708K 2024-05-10 $78.88
15 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding DLB

As of 2026 Q2 — sorted by position size

Diversified Investment Strategies, LLC 3Y 7Y 2.0% SHAPIRO CAPITAL MANAGEMENT LLC 3Y 7Y 1.24% SNYDER CAPITAL MANAGEMENT L P 3Y 7Y 1.2% DISCIPLINED GROWTH INVESTORS INC /MN 3Y 7Y 1.11% PARAGON CAPITAL MANAGEMENT INC 0.83% R.H. Dinel Investment Counsel, Inc. 3Y 7Y 0.71% Aristotle Capital Boston, LLC 3Y 7Y 0.58% AIMZ Investment Advisors, LLC 3Y 7Y 0.46% Cardinal Capital Management 3Y 7Y 0.35% MITCHELL & PAHL PRIVATE WEALTH, LLC 3Y 0.33%

FAQ About Campbell & CO Investment Adviser LLC and DLB

These are the practical questions this page is built to answer before you even open the full history table.

How long has Campbell & CO Investment Adviser LLC reported owning DLB?

Campbell & CO Investment Adviser LLC reported DLB across 9 quarterly 13F filings, from 2024 Q1 through 2026 Q2.

What was the largest reported DLB position in Campbell & CO Investment Adviser LLC's portfolio?

The largest reported portfolio weight for DLB was 0.30% in 2026 Q2.

What is the latest reported DLB position on this page?

The most recent filing on this page is 2026 Q2, when Campbell & CO Investment Adviser LLC reported 107,778 shares, equal to 0.30% of portfolio, with an estimated market value of $5.7M.

What does the chart on this DLB ownership page compare?

The chart compares Campbell & CO Investment Adviser LLC's quarterly DLB portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did Campbell & CO Investment Adviser LLC time their DLB position?

Based on 13F filing dates vs. subsequent DLB price moves, Campbell & CO Investment Adviser LLC correctly timed 8 out of 23 reported position changes (35%). The annualised alpha on DLB relative to SPY over the holding period was -18.5%.

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