Jim Simons’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
$5.76M Sell
47,200
-42,500
-47% -$5.08M 0.01% 1301
2025
Q4
$8.53M Sell
89,700
-56,382
-39% -$5.25M 0.01% 1005
2025
Q3
$14M Buy
146,082
+6,882
+5% +$622K 0.02% 905
2025
Q2
$11.5M Buy
139,200
+12,800
+10% +$851K 0.02% 985
2025
Q1
$7.33M Sell
126,400
-53,200
-30% -$3.36M 0.01% 1189
2024
Q4
$11.4M Buy
179,600
+36,300
+25% +$2.33M 0.02% 932
2024
Q3
$9.43M Sell
143,300
-4,600
-3% -$288K 0.01% 1075
2024
Q2
$8.59M Sell
147,900
-11,900
-7% -$665K 0.01% 1008
2024
Q1
$8.2M Sell
159,800
-13,200
-8% -$658K 0.01% 1104
2023
Q4
$9.01M Sell
173,000
-37,100
-18% -$1.81M 0.01% 1002
2023
Q3
$9.14M Sell
210,100
-20,500
-9% -$931K 0.02% 975
2023
Q2
$10M Buy
230,600
+9,900
+4% +$467K 0.01% 1025
2023
Q1
$12.1M Buy
220,700
+431
+0.2% +$23.5K 0.02% 991
2022
Q4
$11M Sell
220,269
-9,031
-4% -$430K 0.02% 1040
2022
Q3
$9.09M Sell
229,300
-23,800
-9% -$1.06M 0.01% 1084
2022
Q2
$10.9M Buy
253,100
+1,300
+0.5% +$62.3K 0.01% 1070
2022
Q1
$13.2M Sell
251,800
-6,900
-3% -$329K 0.02% 967
2021
Q4
$12.1M Sell
258,700
-13,500
-5% -$645K 0.02% 974
2021
Q3
$13.7M Sell
272,200
-21,600
-7% -$1.13M 0.02% 859
2021
Q2
$16M Sell
293,800
-40,000
-12% -$2.27M 0.02% 876
2021
Q1
$20M Sell
333,800
-12,200
-4% -$682K 0.02% 772
2020
Q4
$18.6M Sell
346,000
-7,300
-2% -$315K 0.02% 800
2020
Q3
$11.6M Sell
353,300
-48,200
-12% -$1.73M 0.01% 1038
2020
Q2
$14M Sell
401,500
-105,200
-21% -$3.11M 0.01% 1023
2020
Q1
$12.6M Sell
506,700
-34,100
-6% -$1.31M 0.01% 1016
2019
Q4
$27.3M Sell
540,800
-30,400
-5% -$1.4M 0.02% 825
2019
Q3
$24.2M Sell
571,200
-79,600
-12% -$3.43M 0.02% 862
2019
Q2
$29.3M Buy
650,800
+29,803
+5% +$1.34M 0.03% 758
2019
Q1
$27M Buy
620,997
+24,997
+4% +$1.03M 0.02% 808
2018
Q4
$21.6M Buy
596,000
+43,100
+8% +$1.66M 0.02% 843
2018
Q3
$22.6M Buy
552,900
+17,600
+3% +$658K 0.02% 865
2018
Q2
$17.7M Sell
535,300
-14,800
-3% -$478K 0.02% 999
2018
Q1
$16.7M Sell
550,100
-75,900
-12% -$2.19M 0.02% 1039
2017
Q4
$17.8M Sell
626,000
-15,600
-2% -$466K 0.02% 1017
2017
Q3
$20.6M Buy
641,600
+44,100
+7% +$1.31M 0.02% 877
2017
Q2
$18.9M Buy
597,500
+64,400
+12% +$2M 0.02% 886
2017
Q1
$15.3M Sell
533,100
-25,300
-5% -$737K 0.02% 965
2016
Q4
$14.3M Buy
558,400
+67,800
+14% +$1.65M 0.02% 1001
2016
Q3
$11.2M Buy
490,600
+119,800
+32% +$2.57M 0.02% 1079
2016
Q2
$7.33M Buy
370,800
+45,000
+14% +$767K 0.01% 1348
2016
Q1
$4.97M Buy
325,800
+8,400
+3% +$122K 0.01% 1632
2015
Q4
$5.15M Buy
317,400
+9,900
+3% +$181K 0.01% 1458
2015
Q3
$6.17M Sell
307,500
-14,500
-5% -$338K 0.01% 1238
2015
Q2
$8.27M Buy
322,000
+45,900
+17% +$1.23M 0.02% 1100
2015
Q1
$7.15M Buy
276,100
+22,900
+9% +$593K 0.02% 1144
2014
Q4
$6.4M Sell
253,200
-600
-0.2% -$15.5K 0.02% 1135
2014
Q3
$6.96M Buy
253,800
+19,600
+8% +$547K 0.02% 990
2014
Q2
$6.12M Buy
234,200
+15,800
+7% +$394K 0.01% 1107
2014
Q1
$5.47M Buy
218,400
+32,000
+17% +$865K 0.01% 1199
2013
Q4
$5.56M Buy
186,400
+33,900
+22% +$921K 0.01% 1125
2013
Q3
$4.37M Buy
152,500
+59,500
+64% +$1.52M 0.01% 1237
2013
Q2
$1.98M Buy
+93,000
New +$1.92M 0.01% 1586

Other funds holding DCO

Jim Simons's DCO Position: Q1 2026 in Review

Jim Simons reduced its Ducommun (DCO) stake by 47% in Q1 2026, selling an estimated $5.08M and leaving 47,200 shares worth $5.76M. The position accounts for 0.01% of the portfolio, ranked #1301.

Jim Simons first reported a position in DCO in Q2 2013 and has held it in 52 quarters since. The position peaked at $29.3M in Q2 2019. 224 funds tracked by Wall St. Rank hold DCO as of Q1 2026.

  • Jim Simons held 47,200 shares of Ducommun worth $5.76M as of Q1 2026.
  • Jim Simons sold 42,500 Ducommun shares in Q1 2026, an estimated $5.08M.
  • Ducommun made up 0.01% of Jim Simons's portfolio in Q1 2026, its #1301 holding.
  • Jim Simons first reported a position in Ducommun in Q2 2013 and has held it in 52 quarters since.
  • Jim Simons's Ducommun position peaked at $29.3M in Q2 2019.
  • 224 funds tracked by Wall St. Rank held Ducommun as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.