Round Rock Advisors’s Ducommun DCO Stock Holding History

Round Rock Advisors’s Portfolio DCO Stock Details DCO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$1.21M	Hold	6,542	–	–	0.16%	101
2026 Q1	$798K	Buy	+6,542	New	+$783K	0.12%	132

Other funds holding DCO

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

PCMI

Paradigm Capital Management Inc Albany, New York $3.67B AUM 121.12% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

GAMCO Investors Greenwich, Connecticut $11.1B AUM 41.79% 1-Year Est. Return

VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return

GKIM

GW&K Investment Management Boston, Massachusetts $12.8B AUM 48.82% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Round Rock Advisors's DCO Position: Q2 2026 in Review

Round Rock Advisors held its Ducommun (DCO) position steady in Q2 2026 at 6,542 shares worth $1.21M. The position accounts for 0.16% of the portfolio, ranked #101.

Round Rock Advisors first reported a position in DCO in Q1 2026 and has held it in 2 quarters since. 270 funds tracked by Wall St. Rank hold DCO as of Q2 2026.

Round Rock Advisors held 6,542 shares of Ducommun worth $1.21M as of Q2 2026.
Round Rock Advisors left its Ducommun share count unchanged in Q2 2026.
Ducommun made up 0.16% of Round Rock Advisors's portfolio in Q2 2026, its #101 holding.
Round Rock Advisors first reported a position in Ducommun in Q1 2026 and has held it in 2 quarters since.
270 funds tracked by Wall St. Rank held Ducommun as of Q2 2026.

Based on Round Rock Advisors's 13F filing for Q2 2026, filed 12 Aug 2026.