TRCT
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Tower Research Capital (TRC)’s Ducommun DCO Stock Holding History

Tower Research Capital (TRC)’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 		$64K Sell
525
-1,007
-66% -$120K ﹤0.01% 2536
2025
Q4 		$146K Buy
1,532
+303
+25% +$28.2K ﹤0.01% 1684
2025
Q3 		$118K Sell
1,229
-867
-41% -$78.4K ﹤0.01% 1869
2025
Q2 		$173K Buy
2,096
+1,718
+454% +$114K ﹤0.01% 1922
2025
Q1 		$21.9K Sell
378
-3,983
-91% -$251K ﹤0.01% 2876
2024
Q4 		$278K Buy
4,361
+414
+10% +$26.6K 0.01% 1472
2024
Q3 		$260K Buy
3,947
+1,445
+58% +$90.4K 0.01% 1375
2024
Q2 		$145K Buy
2,502
+2,383
+2,003% +$133K ﹤0.01% 2317
2024
Q1 		$6.11K Sell
119
-3,328
-97% -$166K ﹤0.01% 4432
2023
Q4 		$179K Buy
3,447
+3,241
+1,573% +$158K ﹤0.01% 2190
2023
Q3 		$8.96K Sell
206
-125
-38% -$5.67K ﹤0.01% 4284
2023
Q2 		$14.4K Sell
331
-324
-49% -$15.3K ﹤0.01% 3699
2023
Q1 		$36K Buy
655
+353
+117% +$19.2K ﹤0.01% 2806
2022
Q4 		$15K Sell
302
-9,461
-97% -$450K ﹤0.01% 3407
2022
Q3 		$387K Buy
9,763
+5,509
+130% +$245K 0.01% 1340
2022
Q2 		$183K Sell
4,254
-1,943
-31% -$93.1K ﹤0.01% 1827
2022
Q1 		$325K Buy
6,197
+4,599
+288% +$219K ﹤0.01% 1429
2021
Q4 		$75K Buy
1,598
+1,258
+370% +$60.1K ﹤0.01% 2433
2021
Q3 		$17K Sell
340
-3,816
-92% -$200K ﹤0.01% 3857
2021
Q2 		$227K Buy
4,156
+1,502
+57% +$85.3K 0.01% 1824
2021
Q1 		$159K Buy
2,654
+1,227
+86% +$68.6K ﹤0.01% 2192
2020
Q4 		$76K Sell
1,427
-9,152
-87% -$395K ﹤0.01% 2624
2020
Q3 		$348K Buy
10,579
+7,447
+238% +$268K ﹤0.01% 2053
2020
Q2 		$109K Sell
3,132
-1,179
-27% -$34.9K ﹤0.01% 2376
2020
Q1 		$107K Buy
4,311
+3,751
+670% +$144K 0.01% 965
2019
Q4 		$28K Sell
560
-1,513
-73% -$69.7K ﹤0.01% 1699
2019
Q3 		$88K Buy
2,073
+1,749
+540% +$75.5K 0.01% 1431
2019
Q2 		$15K Sell
324
-124
-28% -$5.56K ﹤0.01% 2334
2019
Q1 		$19K Sell
448
-1,551
-78% -$63.6K ﹤0.01% 2289
2018
Q4 		$73K Buy
1,999
+1,955
+4,443% +$75.2K 0.01% 1097
2018
Q3 		$2K Sell
44
-644
-94% -$24.1K ﹤0.01% 3419
2018
Q2 		$23K Sell
688
-610
-47% -$19.7K ﹤0.01% 2347
2018
Q1 		$39K Sell
1,298
-1,114
-46% -$32.2K ﹤0.01% 1806
2017
Q4 		$69K Buy
2,412
+529
+28% +$15.8K 0.01% 1103
2017
Q3 		$60K Sell
1,883
-1,517
-45% -$45.1K 0.01% 1802
2017
Q2 		$107K Buy
3,400
+2,140
+170% +$66.5K 0.01% 474
2017
Q1 		$36K Buy
1,260
+1,003
+390% +$29.2K ﹤0.01% 908
2016
Q4 		$7K Buy
+257
New +$6.26K ﹤0.01% 2836
2016
Q3 		– Sell
-413
Closed -$8K – 3767
2016
Q2 		$8K Sell
413
-592
-59% -$10.1K ﹤0.01% 3006
2016
Q1 		$15K Buy
1,005
+905
+905% +$13.1K ﹤0.01% 1554
2015
Q4 		$2K Buy
+100
New +$1.83K ﹤0.01% 3708
2015
Q3 		– Sell
-3,725
Closed -$96K – 4128
2015
Q2 		$96K Buy
3,725
+2,923
+364% +$78.6K 0.01% 881
2015
Q1 		$21K Sell
802
-1,208
-60% -$31.3K ﹤0.01% 2193
2014
Q4 		$51K Sell
2,010
-330
-14% -$8.53K ﹤0.01% 1016
2014
Q3 		$64K Buy
2,340
+2,130
+1,014% +$59.4K 0.01% 1328
2014
Q2 		$5K Sell
210
-590
-74% -$14.7K ﹤0.01% 2837
2014
Q1 		$20K Buy
800
+600
+300% +$16.2K ﹤0.01% 1874
2013
Q4 		$6K Sell
200
-312
-61% -$8.48K ﹤0.01% 3390
2013
Q3 		$15K Sell
512
-539
-51% -$13.7K ﹤0.01% 2909
2013
Q2 		$22K Buy
+1,051
New +$21.7K ﹤0.01% 1602

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

Tower Research Capital (TRC)'s DCO Position: Q1 2026 in Review

Tower Research Capital (TRC) reduced its Ducommun (DCO) stake by 66% in Q1 2026, selling an estimated $120K and leaving 525 shares worth $64K. The position accounts for ﹤0.01% of the portfolio, ranked #2536.

Tower Research Capital (TRC) first reported a position in DCO in Q2 2013 and has held it in 50 quarters since. The position peaked at $387K in Q3 2022. 224 funds tracked by Wall St. Rank hold DCO as of Q1 2026.

  • Tower Research Capital (TRC) held 525 shares of Ducommun worth $64K as of Q1 2026.
  • Tower Research Capital (TRC) sold 1,007 Ducommun shares in Q1 2026, an estimated $120K.
  • Ducommun made up ﹤0.01% of Tower Research Capital (TRC)'s portfolio in Q1 2026, its #2536 holding.
  • Tower Research Capital (TRC) first reported a position in Ducommun in Q2 2013 and has held it in 50 quarters since.
  • Tower Research Capital (TRC)'s Ducommun position peaked at $387K in Q3 2022.
  • 224 funds tracked by Wall St. Rank held Ducommun as of Q1 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q1 2026, filed 15 May 2026.