Citadel Advisors
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Citadel Advisors’s Ducommun DCO Stock Holding History

Citadel 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 		$1.04M Buy
5,600
+3,300
+143% +$490K ﹤0.01% 8114
2026
Q1 		$281K Sell
2,300
-1,500
-39% -$179K ﹤0.01% 10615
2025
Q4 		$361K Sell
3,800
-2,600
-41% -$242K ﹤0.01% 9749
2025
Q3 		$615K Buy
+6,400
New +$578K ﹤0.01% 8622
2025
Q1 		– Sell
-600
Closed -$38.2K – 14634
2024
Q4 		$38.2K Sell
600
-1,100
-65% -$70.6K ﹤0.01% 12652
2024
Q3 		$112K Sell
1,700
-200
-11% -$12.5K ﹤0.01% 10968
2024
Q2 		$110K Sell
1,900
-2,300
-55% -$128K ﹤0.01% 10774
2024
Q1 		$215K Buy
4,200
+3,900
+1,300% +$194K ﹤0.01% 10158
2023
Q4 		$15.6K Sell
300
-300
-50% -$14.7K ﹤0.01% 12831
2023
Q3 		$26.1K Sell
600
-1,500
-71% -$68.1K ﹤0.01% 12395
2023
Q2 		$91.5K Buy
2,100
+1,200
+133% +$56.6K ﹤0.01% 11063
2023
Q1 		$49.2K Sell
900
-400
-31% -$21.8K ﹤0.01% 12165
2022
Q4 		$64.9K Buy
+1,300
New +$61.9K ﹤0.01% 11803

Other funds holding DCO

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Fidelity Investments
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
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
GI
GAMCO Investors Greenwich, Connecticut $11.1B AUM 41.79% 1-Year Est. Return
VanEck Associates
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
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Citadel Advisors's DCO Position: Q2 2026 in Review

Citadel Advisors increased its Ducommun (DCO) stake by 170% in Q2 2026, buying an estimated $1.32M and bringing the position to 14,187 shares worth $2.63M. The position accounts for ﹤0.01% of the portfolio, ranked #5961.

Citadel Advisors first reported a position in DCO in Q2 2013 and has held it in 35 quarters since. The position peaked at $5.09M in Q2 2023. 270 funds tracked by Wall St. Rank hold DCO as of Q2 2026.

  • Citadel Advisors held 14,187 shares of Ducommun worth $2.63M as of Q2 2026.
  • Citadel Advisors bought 8,923 Ducommun shares in Q2 2026, an estimated $1.32M.
  • Ducommun made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #5961 holding.
  • Citadel Advisors first reported a position in Ducommun in Q2 2013 and has held it in 35 quarters since.
  • Citadel Advisors's Ducommun position peaked at $5.09M in Q2 2023.
  • 270 funds tracked by Wall St. Rank held Ducommun as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.