Jane Street’s Ducommun DCO Stock Holding History

Jane Street’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	–	Sell	-48,801	Closed	-$5.95M	–	11825
2026 Q1	$5.95M	Buy	48,801 +20,941	+75%	+$2.51M	﹤0.01%	3255
2025 Q4	$2.65M	Buy	+27,860	New	+$2.6M	﹤0.01%	4271
2024 Q4	–	Sell	-34,655	Closed	-$2.28M	–	9589
2024 Q3	$2.28M	Buy	34,655 +20,240	+140%	+$1.27M	﹤0.01%	4201
2024 Q2	$837K	Buy	+14,415	New	+$805K	﹤0.01%	6111
2024 Q1	–	Sell	-9,408	Closed	-$490K	–	9344
2023 Q4	$490K	Buy	+9,408	New	+$459K	﹤0.01%	6784
2022 Q2	–	Sell	-7,404	Closed	-$388K	–	9820
2022 Q1	$388K	Buy	+7,404	New	+$353K	﹤0.01%	7931

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

Jane Street's DCO Position: Q2 2026 in Review

Jane Street sold out of Ducommun (DCO) in Q2 2026, closing a stake of 48,801 shares — an estimated $5.95M sold.

Jane Street first reported a position in DCO in Q1 2022 and held it in 6 quarters. The position peaked at $5.95M in Q1 2026. 270 funds tracked by Wall St. Rank hold DCO as of Q2 2026.

Jane Street reported no remaining Ducommun position as of Q2 2026 after selling out during the quarter.
Jane Street sold 48,801 Ducommun shares in Q2 2026, an estimated $5.95M.
Jane Street first reported a position in Ducommun in Q1 2022 and held it in 6 quarters.
Jane Street's Ducommun position peaked at $5.95M in Q1 2026.
270 funds tracked by Wall St. Rank held Ducommun as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.