Ken Griffin’s Ducommun DCO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
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

Ken Griffin's DCO Position: Q1 2026 in Review

Ken Griffin reduced its Ducommun (DCO) stake by 41% in Q1 2026, selling an estimated $431K and leaving 5,264 shares worth $642K. The position accounts for ﹤0.01% of the portfolio, ranked #8681.

Ken Griffin first reported a position in DCO in Q2 2013 and has held it in 34 quarters since. The position peaked at $5.09M in Q2 2023. 224 funds tracked by Wall St. Rank hold DCO as of Q1 2026.

  • Ken Griffin held 5,264 shares of Ducommun worth $642K as of Q1 2026.
  • Ken Griffin sold 3,601 Ducommun shares in Q1 2026, an estimated $431K.
  • Ducommun made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #8681 holding.
  • Ken Griffin first reported a position in Ducommun in Q2 2013 and has held it in 34 quarters since.
  • Ken Griffin's Ducommun position peaked at $5.09M in Q2 2023.
  • 224 funds tracked by Wall St. Rank held Ducommun as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.