Simplex Trading
DCO icon

Simplex Trading’s Ducommun DCO Stock Holding History

Simplex Trading’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
Q1 		$85.4K Buy
+700
New +$83.7K ﹤0.01% 5280
2025
Q4 		– Sell
-1,000
Closed -$96K – 8855
2025
Q3 		$96K Buy
+1,000
New +$90.4K ﹤0.01% 5790
2025
Q2 		– Sell
-200
Closed -$11K – 8841
2025
Q1 		$11K Buy
+200
New +$12.6K ﹤0.01% 7020
2024
Q3 		– Sell
-100
Closed -$5K – 8684
2024
Q2 		$5K Sell
100
-300
-75% -$16.8K ﹤0.01% 7847
2024
Q1 		$20K Buy
+400
New +$19.9K ﹤0.01% 7080
2023
Q3 		– Sell
-200
Closed -$8K – 8861
2023
Q2 		$8K Hold
200
– – ﹤0.01% 7572
2023
Q1 		$10K Buy
200
+100
+100% +$5.45K ﹤0.01% 7531
2022
Q4 		$4K Buy
+100
New +$4.76K ﹤0.01% 8187
2022
Q1 		– Sell
-100
Closed -$4K – 10551
2021
Q4 		$4K Buy
100
+36
+56% +$1.72K ﹤0.01% 9655
2021
Q3 		$3K Hold
64
– – ﹤0.01% 9414
2021
Q2 		$3K Buy
64
+48
+300% +$2.73K ﹤0.01% 9601
2021
Q1 		$61K Buy
+16
New +$894 ﹤0.01% 6364
2020
Q3 		– Sell
-8
Closed -$27K – 7901
2020
Q2 		$27K Buy
+8
New +$237 ﹤0.01% 5987
2019
Q1 		– Sell
-33
Closed -$119K – 7237
2018
Q4 		$119K Buy
33
+24
+267% +$924 ﹤0.01% 3679
2018
Q3 		$36K Buy
+9
New +$336 ﹤0.01% 5468
2017
Q4 		– Sell
-56
Closed -$13K – 6101
2017
Q3 		$13K Buy
+56
New +$1.67K ﹤0.01% 3538
2016
Q2 		– Sell
-11
Closed -$2K – 5904
2016
Q1 		$2K Buy
+11
New +$159 ﹤0.01% 4688

Other funds holding DCO

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
PCMI
Paradigm Capital Management Inc Albany, New York $2.61B AUM 78.58% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
GI
GAMCO Investors Greenwich, Connecticut $10.2B AUM 30.27% 1-Year Est. Return
Brown Advisory
Brown Advisory Baltimore, Maryland $60.9B AUM 15.24% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $156B AUM 27.51% 1-Year Est. Return
OAM
Ophir Asset Management Sydney, Australia $859M AUM 59.08% 1-Year Est. Return

Simplex Trading's DCO Position: Q4 2025 in Review

Simplex Trading sold out of Ducommun (DCO) in Q4 2025, closing a stake of 113 shares — an estimated $10.5K sold.

Simplex Trading first reported a position in DCO in Q4 2014 and held it in 19 quarters. The position peaked at $185K in Q1 2019. 206 funds tracked by Wall St. Rank hold DCO as of Q4 2025.

  • Simplex Trading reported no remaining Ducommun position as of Q4 2025 after selling out during the quarter.
  • Simplex Trading sold 113 Ducommun shares in Q4 2025, an estimated $10.5K.
  • Simplex Trading first reported a position in Ducommun in Q4 2014 and held it in 19 quarters.
  • Simplex Trading's Ducommun position peaked at $185K in Q1 2019.
  • 206 funds tracked by Wall St. Rank held Ducommun as of Q4 2025.

Based on Simplex Trading's 13F filing for Q4 2025, filed 11 Feb 2026.