MAM
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Martingale Asset Management’s Ducommun DCO Stock Holding History

Martingale Asset Management’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 		$4.28M Buy
35,100
+2,343
+7% +$280K 0.11% 193
2025
Q4 		$3.12M Buy
32,757
+72
+0.2% +$6.71K 0.08% 226
2025
Q3 		$3.14M Sell
32,685
-3,590
-10% -$324K 0.08% 216
2025
Q2 		$3M Buy
36,275
+989
+3% +$65.7K 0.07% 217
2025
Q1 		$2.05M Buy
35,286
+301
+0.9% +$19K 0.05% 289
2024
Q4 		$2.23M Buy
34,985
+12,707
+57% +$816K 0.05% 295
2024
Q3 		$1.47M Buy
22,278
+4,234
+23% +$265K 0.03% 385
2024
Q2 		$1.05M Buy
18,044
+2,215
+14% +$124K 0.02% 440
2024
Q1 		$812K Sell
15,829
-1,400
-8% -$69.8K 0.02% 518
2023
Q4 		$897K Sell
17,229
-3,004
-15% -$147K 0.02% 476
2023
Q3 		$880K Sell
20,233
-11,005
-35% -$500K 0.02% 470
2023
Q2 		$1.36M Buy
31,238
+16,451
+111% +$776K 0.03% 357
2023
Q1 		$809K Buy
+14,787
New +$806K 0.02% 503
2020
Q3 		– Sell
-18,500
Closed -$646K – 1039
2020
Q2 		$646K Sell
18,500
-50,421
-73% -$1.49M 0.01% 829
2020
Q1 		$1.71M Sell
68,921
-4,600
-6% -$177K 0.02% 524
2019
Q4 		$3.72M Buy
73,521
+2,109
+3% +$97.1K 0.04% 452
2019
Q3 		$3.03M Buy
71,412
+6,200
+10% +$267K 0.03% 494
2019
Q2 		$2.94M Buy
65,212
+5,699
+10% +$256K 0.03% 501
2019
Q1 		$2.59M Buy
59,513
+28,200
+90% +$1.16M 0.03% 536
2018
Q4 		$1.14M Buy
31,313
+900
+3% +$34.6K 0.02% 678
2018
Q3 		$1.24M Sell
30,413
-3,100
-9% -$116K 0.01% 680
2018
Q2 		$1.11M Buy
33,513
+25,805
+335% +$833K 0.01% 725
2018
Q1 		$235K Sell
7,708
-328
-4% -$9.47K ﹤0.01% 903
2017
Q4 		$229K Sell
8,036
-25,820
-76% -$772K ﹤0.01% 908
2017
Q3 		$1.09M Buy
+33,856
New +$1.01M 0.01% 703
2017
Q2 		– Sell
-9,000
Closed -$260K – 949
2017
Q1 		$260K Sell
9,000
-20,421
-69% -$595K ﹤0.01% 893
2016
Q4 		$753K Buy
29,421
+6,921
+31% +$169K 0.01% 768
2016
Q3 		$514K Sell
22,500
-15,105
-40% -$323K 0.01% 804
2016
Q2 		$744K Sell
37,605
-9,709
-21% -$165K 0.01% 586
2016
Q1 		$722K Sell
47,314
-18
-0% -$261 0.01% 580
2015
Q4 		$768K Sell
47,332
-1,894
-4% -$34.7K 0.02% 568
2015
Q3 		$988K Buy
49,226
+2,552
+5% +$59.5K 0.02% 484
2015
Q2 		$1.2M Buy
46,674
+2,652
+6% +$71.3K 0.03% 459
2015
Q1 		$1.14M Hold
44,022
– – 0.03% 480
2014
Q4 		$1.11M Sell
44,022
-2,250
-5% -$58.1K 0.03% 486
2014
Q3 		$1.27M Hold
46,272
– – 0.04% 399
2014
Q2 		$1.21M Buy
46,272
+951
+2% +$23.7K 0.04% 451
2014
Q1 		$1.14M Buy
45,321
+1,700
+4% +$45.9K 0.04% 457
2013
Q4 		$1.3M Buy
43,621
+900
+2% +$24.5K 0.05% 435
2013
Q3 		$1.23M Buy
42,721
+31,811
+292% +$811K 0.04% 427
2013
Q2 		$232K Buy
+10,910
New +$225K 0.01% 906

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

Martingale Asset Management's DCO Position: Q1 2026 in Review

Martingale Asset Management increased its Ducommun (DCO) stake by 7.2% in Q1 2026, buying an estimated $280K and bringing the position to 35,100 shares worth $4.28M. The position accounts for 0.11% of the portfolio, ranked #193.

Martingale Asset Management first reported a position in DCO in Q2 2013 and has held it in 41 quarters since. 224 funds tracked by Wall St. Rank hold DCO as of Q1 2026.

  • Martingale Asset Management held 35,100 shares of Ducommun worth $4.28M as of Q1 2026.
  • Martingale Asset Management bought 2,343 Ducommun shares in Q1 2026, an estimated $280K.
  • Ducommun made up 0.11% of Martingale Asset Management's portfolio in Q1 2026, its #193 holding.
  • Martingale Asset Management first reported a position in Ducommun in Q2 2013 and has held it in 41 quarters since.
  • 224 funds tracked by Wall St. Rank held Ducommun as of Q1 2026.

Based on Martingale Asset Management's 13F filing for Q1 2026, filed 13 May 2026.