DUCOMMUN INC (DCO) Institutional Shareholders
DUCOMMUN INC (DCO) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $2.65B in DCO holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of DCO tracked by InsiderSet, reporting ownership valued at approximately $359.40M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $332.83M, representing an estimated loss of -7.39% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 49% of the total disclosed DCO value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., State Street Corp, Fmr Llc, and several other long-term asset managers with concentrated positions in DUCOMMUN INC (DCO).
This page ranks the largest institutional DCO shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
262
Total Reported Value
$2.65B
Largest Holder
Blackrock, Inc.
Largest Position
$359.40M
Insider Transactions (90d)
7
Latest Filing Quarter
Q2 2026
New Institutional Positions
74
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 1,940,474 | $359,395,188 | $332,830,100 | -$26,565,088 | -7.39% | |
| State Street Corp | 0.01% | 945,113 | $175,039,170 | $162,105,782 | -$12,933,388 | -7.39% | |
| Fmr Llc | 0.01% | 776,201 | $143,760,109 | $133,133,996 | -$10,626,113 | -7.39% | |
| Paradigm Capital Management Inc/Ny | 3.88% | 770,500 | $142,704,305 | $132,156,160 | -$10,548,145 | -7.39% | |
| Vanguard Capital Management Llc | 0.00% | 627,555 | $116,229,462 | $107,638,234 | -$8,591,228 | -7.39% | |
| Gamco Investors, Inc. Et Al | 0.71% | 427,832 | $79,238,765 | $73,381,745 | -$5,857,020 | -7.39% | |
| Van Eck Associates Corp | 0.05% | 427,603 | $79,196,352 | $73,342,467 | -$5,853,885 | -7.39% | |
| Gw&K Investment Management, Llc | 0.55% | 381,545 | $70,667,000 | $65,442,598 | -$5,224,402 | -7.39% | |
| Dimensional Fund Advisors Lp | 0.01% | 363,836 | $67,385,682 | $62,405,151 | -$4,980,531 | -7.39% | |
| Geode Capital Management, Llc | 0.00% | 348,861 | $64,626,089 | $59,836,639 | -$4,789,450 | -7.41% | |
| Victory Capital Management Inc | 0.03% | 330,296 | $61,174,122 | $56,652,370 | -$4,521,752 | -7.39% | |
| Loomis Sayles & Co L P | 0.07% | 309,462 | $57,315,457 | $53,078,922 | -$4,236,535 | -7.39% | |
| Brown Advisory Inc | 0.08% | 275,053 | $50,942,505 | $47,177,091 | -$3,765,414 | -7.39% | |
| Moore Capital Management, Lp | 1.01% | 238,844 | $44,236,297 | $40,966,523 | -$3,269,774 | -7.39% | |
| Deutsche Bank Ag\ | 0.01% | 221,884 | $41,095,136 | $38,057,544 | -$3,037,592 | -7.39% | |
| Two Sigma Investments, Lp | 0.03% | 192,458 | $35,645,146 | $33,010,396 | -$2,634,750 | -7.39% | |
| Kennedy Capital Management Llc | 0.59% | 178,558 | $33,070,727 | $30,626,268 | -$2,444,459 | -7.39% | |
| First Eagle U.S. Value | Jean-Marie Eveillard | 0.05% | 176,376 | $32,666,599 | $30,252,012 | -$2,414,587 | -7.39% |
| Charles Schwab Investment Management Inc | 0.00% | 172,609 | $31,968,913 | $29,605,896 | -$2,363,017 | -7.39% | |
| Northern Trust Corp | 0.00% | 163,727 | $30,323,878 | $28,082,455 | -$2,241,423 | -7.39% | |
| Nuveen, Llc | 0.01% | 156,502 | $28,985,737 | $26,843,223 | -$2,142,514 | -7.39% | |
| Vanguard Portfolio Management Llc | 0.00% | 151,663 | $28,089,504 | $26,013,238 | -$2,076,266 | -7.39% | |
| Invesco Ltd. | 0.00% | 148,961 | $27,589,066 | $25,549,791 | -$2,039,275 | -7.39% | |
| Goldman Sachs Group Inc | 0.00% | 148,797 | $27,558,692 | $25,521,661 | -$2,037,031 | -7.39% | |
| Alliancebernstein L.P. | 0.01% | 218,306 | $26,633,332 | $37,443,845 | +$10,810,513 | +40.59% | |
| Ophir Asset Management Pty Ltd | 2.13% | 139,600 | $25,855,316 | $23,944,192 | -$1,911,124 | -7.39% | |
| Aberdeen Group Plc | 0.04% | 136,529 | $25,286,536 | $23,417,454 | -$1,869,082 | -7.39% | |
| Wcm Investment Management, Llc | 0.04% | 130,272 | $24,024,762 | $22,344,253 | -$1,680,509 | -6.99% | |
| Ameriprise Financial Inc | 0.00% | 129,383 | $23,963,025 | $22,191,772 | -$1,771,253 | -7.39% | |
| Diamond Hill Capital Management Inc | 0.18% | 123,157 | $22,809,908 | $21,123,889 | -$1,686,019 | -7.39% | |
| Bragg Financial Advisors, Inc | 0.60% | 120,832 | $22,379,295 | $20,725,105 | -$1,654,190 | -7.39% | |
| Wells Fargo & Company/Mn | 0.00% | 119,480 | $22,128,840 | $20,493,210 | -$1,635,630 | -7.39% | |
| Meros Investment Management, Lp | 6.96% | 118,423 | $21,933,124 | $20,311,913 | -$1,621,211 | -7.39% | |
| New York State Common Retirement Fund | 0.03% | 116,157 | $21,513,438 | $19,923,249 | -$1,590,189 | -7.39% | |
| Oberweis Asset Management Inc/ | 0.44% | 113,800 | $21,076,898 | $19,518,976 | -$1,557,922 | -7.39% | |
| Vanguard Fiduciary Trust Co | 0.00% | 99,222 | $18,376,907 | $17,018,557 | -$1,358,350 | -7.39% | |
| Massachusetts Financial Services Co | 0.01% | 97,961 | $18,143,357 | $16,802,271 | -$1,341,086 | -7.39% | |
| Gabelli Funds Llc | 0.12% | 97,227 | $18,007,413 | $16,676,375 | -$1,331,038 | -7.39% | |
| Morgan Stanley | 0.00% | 96,073 | $17,793,872 | $16,478,441 | -$1,315,431 | -7.39% | |
| First Trust Advisors Lp | 0.01% | 95,249 | $17,641,067 | $16,337,108 | -$1,303,959 | -7.39% | |
| T. Rowe Price Investment Management, Inc. | 0.01% | 94,150 | $17,438,000 | $16,148,608 | -$1,289,392 | -7.39% | |
| Granite Investment Partners, Llc | 0.82% | 86,703 | $16,058,263 | $14,871,299 | -$1,186,964 | -7.39% | |
| Trexquant Investment Lp | 0.10% | 85,513 | $15,837,863 | $14,667,190 | -$1,170,673 | -7.39% | |
| Phocas Financial Corp. | 2.19% | 85,367 | $15,810,822 | $14,642,148 | -$1,168,674 | -7.39% | |
| Penn Capital Management Company, Llc | 1.00% | 84,906 | $15,754,405 | $14,563,077 | -$1,191,328 | -7.56% | |
| Mitsubishi Ufj Asset Management Co., Ltd. | 0.01% | 84,866 | $15,718,032 | $14,556,216 | -$1,161,816 | -7.39% | |
| Royce & Associates Lp | 0.13% | 84,741 | $15,694,881 | $14,534,776 | -$1,160,105 | -7.39% | |
| American Century Companies Inc | 0.01% | 75,148 | $13,918,161 | $12,889,385 | -$1,028,776 | -7.39% | |
| Ubs Group Ag | 0.00% | 62,834 | $11,637,485 | $10,777,288 | -$860,197 | -7.39% | |
| Point72 Asset Management, L.P. | 0.02% | 55,982 | $10,368,426 | $9,602,033 | -$766,393 | -7.39% |
Frequently asked questions about DCO
Who owns the most DCO stock?
The largest holders of DCO are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for DUCOMMUN INC (DCO).
Is DCO widely held by superinvestors?
Many widely followed stocks like DCO appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly DCO is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.