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
Q2 		$9.63K Buy
+52
New +$7.72K ﹤0.01% 7724
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 $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

Simplex Trading's DCO Position: Q2 2026 in Review

Simplex Trading opened a new position in Ducommun (DCO) in Q2 2026: 52 shares worth $9.63K. The stake represents ﹤0.01% of the portfolio and ranks #7724 among its holdings. This is a return to the name: Simplex Trading previously reported a position in DCO as recently as Q3 2025.

Simplex Trading first reported a position in DCO in Q4 2014 and has held it in 20 quarters since. The position peaked at $185K in Q1 2019. 270 funds tracked by Wall St. Rank hold DCO as of Q2 2026.

  • Simplex Trading held 52 shares of Ducommun worth $9.63K as of Q2 2026.
  • Ducommun was a new Simplex Trading position in Q2 2026.
  • Ducommun made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #7724 holding.
  • Simplex Trading first reported a position in Ducommun in Q4 2014 and has held it in 20 quarters since.
  • Simplex Trading's Ducommun position peaked at $185K in Q1 2019.
  • 270 funds tracked by Wall St. Rank held Ducommun as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.