JY
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Jeff Yass’s Ducommun DCO Stock Holding History

Jeff Yass’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 		$1.44M Buy
7,800
+3,600
+86% +$534K ﹤0.01% 7257
2026
Q1 		$512K Buy
4,200
+1,000
+31% +$120K ﹤0.01% 9598
2025
Q4 		$304K Buy
+3,200
New +$298K ﹤0.01% 9916
2025
Q3 		– Sell
-2,500
Closed -$207K – 12645
2025
Q2 		$207K Buy
+2,500
New +$166K ﹤0.01% 11148
2021
Q4 		– Sell
-19,700
Closed -$992K – 13212
2021
Q3 		$992K Buy
+19,700
New +$1.03M ﹤0.01% 7571
2020
Q1 		– Sell
-4,400
Closed -$222K – 10325
2019
Q4 		$222K Buy
+4,400
New +$203K ﹤0.01% 8575
2019
Q2 		– Sell
-5,700
Closed -$248K – 10299
2019
Q1 		$248K Sell
5,700
-4,900
-46% -$201K ﹤0.01% 7542
2018
Q4 		$385K Buy
+10,600
New +$408K ﹤0.01% 6533
2017
Q4 		– Sell
-35,300
Closed -$1.13M – 9331
2017
Q3 		$1.13M Buy
35,300
+24,900
+239% +$741K ﹤0.01% 5057
2017
Q2 		$328K Sell
10,400
-32,800
-76% -$1.02M ﹤0.01% 7417
2017
Q1 		$1.24M Buy
+43,200
New +$1.26M ﹤0.01% 4671
2014
Q4 		– Sell
-15,400
Closed -$422K – 9671
2014
Q3 		$422K Sell
15,400
-17,100
-53% -$477K ﹤0.01% 7499
2014
Q2 		$849K Sell
32,500
-53,500
-62% -$1.33M ﹤0.01% 6388
2014
Q1 		$2.15M Sell
86,000
-2,200
-2% -$59.5K ﹤0.01% 4220
2013
Q4 		$2.63M Buy
88,200
+43,300
+96% +$1.18M ﹤0.01% 3829
2013
Q3 		$1.29M Sell
44,900
-12,200
-21% -$311K ﹤0.01% 4854
2013
Q2 		$1.21M Buy
+57,100
New +$1.18M ﹤0.01% 4679

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

Jeff Yass's DCO Position: Q2 2026 in Review

Jeff Yass increased its Ducommun (DCO) stake by 119% in Q2 2026, buying an estimated $1.22M and bringing the position to 15,145 shares worth $2.81M. The position accounts for ﹤0.01% of the portfolio, ranked #5772.

Jeff Yass first reported a position in DCO in Q1 2014 and has held it in 21 quarters since. 269 funds tracked by Wall St. Rank hold DCO as of Q2 2026.

  • Jeff Yass held 15,145 shares of Ducommun worth $2.81M as of Q2 2026.
  • Jeff Yass bought 8,234 Ducommun shares in Q2 2026, an estimated $1.22M.
  • Ducommun made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #5772 holding.
  • Jeff Yass first reported a position in Ducommun in Q1 2014 and has held it in 21 quarters since.
  • 269 funds tracked by Wall St. Rank held Ducommun as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.