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
2025
Q4 		– Sell
-113
Closed -$10.5K – 8856
2025
Q3 		$10K Sell
113
-178
-61% -$16.1K ﹤0.01% 7868
2025
Q2 		$24K Sell
291
-14
-5% -$930 ﹤0.01% 6600
2025
Q1 		$17K Buy
305
+262
+609% +$16.5K ﹤0.01% 6699
2024
Q4 		$2K Buy
+43
New +$2.76K ﹤0.01% 7987
2022
Q2 		– Sell
-32
Closed -$1K – 10139
2022
Q1 		$1K Hold
32
– – ﹤0.01% 10045
2021
Q4 		$1K Sell
32
-1,268
-98% -$60.6K ﹤0.01% 10163
2021
Q3 		$71K Hold
1,300
– – ﹤0.01% 7062
2021
Q2 		$70K Buy
+1,300
New +$73.9K ﹤0.01% 7208
2020
Q2 		– Sell
-1,439
Closed -$42.6K – 7718
2020
Q1 		$35K Buy
1,439
+1,406
+4,261% +$54.1K ﹤0.01% 5482
2019
Q4 		$1K Buy
+33
New +$1.52K ﹤0.01% 7077
2019
Q2 		– Sell
-4,270
Closed -$185K – 7219
2019
Q1 		$185K Buy
4,270
+4,233
+11,441% +$174K ﹤0.01% 3704
2018
Q4 		$1K Buy
+37
New +$1.42K ﹤0.01% 6720
2018
Q2 		– Sell
-136
Closed -$4K – 7444
2018
Q1 		$4K Sell
136
-145
-52% -$4.19K ﹤0.01% 4767
2017
Q4 		$7K Buy
+281
New +$8.4K ﹤0.01% 4180
2017
Q3 		– Sell
-2,143
Closed -$63.8K – 5998
2017
Q2 		$67K Buy
+2,143
New +$66.6K ﹤0.01% 2109
2015
Q4 		– Sell
-3,916
Closed -$71.7K – 5511
2015
Q3 		$78K Buy
3,916
+3,861
+7,020% +$90K 0.01% 1618
2015
Q2 		$1K Sell
55
-316
-85% -$8.49K ﹤0.01% 4610
2015
Q1 		$9K Sell
371
-163
-31% -$4.22K ﹤0.01% 3008
2014
Q4 		$13K Buy
+534
New +$13.8K ﹤0.01% 2383

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.