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 $1.61B 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 $215.85M in its March 31, 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 $316.73M, representing an estimated gain of +46.74% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 47% of the total disclosed DCO value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., State Street Corp, Paradigm Capital Management Inc/Ny, 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
233
Total Reported Value
$1.61B
Largest Holder
Blackrock, Inc.
Largest Position
$215.85M
Insider Transactions (90d)
14
Latest Filing Quarter
Q2 2026
New Institutional Positions
120
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 1,769,223 | $215,845,206 | $316,726,301 | +$100,881,095 | +46.74% | |
| State Street Corp | 0.00% | 785,541 | $95,836,002 | $140,627,550 | +$44,791,548 | +46.74% | |
| Paradigm Capital Management Inc/Ny | 3.60% | 770,500 | $94,001,000 | $137,934,910 | +$43,933,910 | +46.74% | |
| Vanguard Capital Management Llc | 0.00% | 612,941 | $74,778,802 | $109,728,698 | +$34,949,896 | +46.74% | |
| Dimensional Fund Advisors Lp | 0.01% | 512,167 | $62,478,740 | $91,688,136 | +$29,209,396 | +46.75% | |
| Gamco Investors, Inc. Et Al | 0.54% | 449,461 | $54,834,242 | $80,462,508 | +$25,628,266 | +46.74% | |
| Brown Advisory Inc | 0.07% | 349,286 | $42,612,947 | $62,529,180 | +$19,916,233 | +46.74% | |
| Geode Capital Management, Llc | 0.00% | 334,954 | $40,872,614 | $59,963,465 | +$19,090,851 | +46.71% | |
| Victory Capital Management Inc | 0.03% | 330,095 | $40,271,590 | $59,093,607 | +$18,822,017 | +46.74% | |
| Ophir Asset Management Pty Ltd | 4.45% | 312,937 | $38,178,314 | $56,021,982 | +$17,843,668 | +46.74% | |
| Deutsche Bank Ag\ | 0.01% | 302,229 | $36,871,938 | $54,105,036 | +$17,233,098 | +46.74% | |
| Loomis Sayles & Co L P | 0.04% | 252,529 | $30,808,538 | $45,207,742 | +$14,399,204 | +46.74% | |
| Nuveen, Llc | 0.01% | 249,658 | $30,458,276 | $44,693,775 | +$14,235,499 | +46.74% | |
| American Century Companies Inc | 0.01% | 225,797 | $27,547,234 | $40,422,179 | +$12,874,945 | +46.74% | |
| Ameriprise Financial Inc | 0.01% | 217,471 | $26,531,462 | $38,931,658 | +$12,400,196 | +46.74% | |
| Aberdeen Group Plc | 0.04% | 136,529 | $25,286,536 | $24,441,422 | -$845,114 | -3.34% | |
| Kennedy Capital Management Llc | 0.48% | 186,301 | $22,728,722 | $33,351,605 | +$10,622,883 | +46.74% | |
| Charles Schwab Investment Management Inc | 0.00% | 183,639 | $22,403,958 | $32,875,054 | +$10,471,096 | +46.74% | |
| New York State Common Retirement Fund | 0.03% | 116,157 | $21,513,438 | $20,794,426 | -$719,012 | -3.34% | |
| Alliancebernstein L.P. | 0.01% | 224,716 | $21,377,233 | $40,228,658 | +$18,851,425 | +88.18% | |
| Goldman Sachs Group Inc | 0.00% | 162,561 | $19,832,442 | $29,101,670 | +$9,269,228 | +46.74% | |
| Fmr Llc | 0.00% | 155,362 | $18,954,169 | $27,812,905 | +$8,858,736 | +46.74% | |
| First Eagle U.S. Value | Jean-Marie Eveillard | 0.02% | 153,776 | $18,760,672 | $27,528,980 | +$8,768,308 | +46.74% |
| Invesco Ltd. | 0.00% | 149,969 | $18,296,218 | $26,847,450 | +$8,551,232 | +46.74% | |
| Morgan Stanley | 0.00% | 134,431 | $16,400,737 | $24,065,838 | +$7,665,101 | +46.74% | |
| Vanguard Portfolio Management Llc | 0.00% | 131,089 | $15,992,858 | $23,467,553 | +$7,474,695 | +46.74% | |
| Thornburg Investment Management Inc | 0.17% | 130,431 | $15,912,582 | $23,349,758 | +$7,437,176 | +46.74% | |
| Phocas Financial Corp. | 2.19% | 85,367 | $15,810,822 | $15,282,400 | -$528,422 | -3.34% | |
| Penn Capital Management Company, Llc | 1.00% | 84,906 | $15,754,405 | $15,199,872 | -$554,533 | -3.52% | |
| Meros Investment Management, Lp | 6.78% | 128,210 | $15,641,620 | $22,952,154 | +$7,310,534 | +46.74% | |
| Bragg Financial Advisors, Inc | 0.47% | 120,973 | $14,758,706 | $21,656,586 | +$6,897,880 | +46.74% | |
| Northern Trust Corp | 0.00% | 119,705 | $14,604,010 | $21,429,589 | +$6,825,579 | +46.74% | |
| Wcm Investment Management, Llc | 0.03% | 121,769 | $14,259,150 | $21,799,086 | +$7,539,936 | +52.88% | |
| Wells Fargo & Company/Mn | 0.00% | 113,584 | $13,857,214 | $20,333,808 | +$6,476,594 | +46.74% | |
| Diamond Hill Capital Management Inc | 0.08% | 110,571 | $13,489,662 | $19,794,420 | +$6,304,758 | +46.74% | |
| Millennium Management Llc | 0.01% | 108,593 | $13,248,346 | $19,440,319 | +$6,191,973 | +46.74% | |
| Two Sigma Investments, Lp | 0.01% | 101,181 | $12,344,082 | $18,113,423 | +$5,769,341 | +46.74% | |
| Gabelli Funds Llc | 0.08% | 101,065 | $12,329,930 | $18,092,656 | +$5,762,726 | +46.74% | |
| Oberweis Asset Management Inc/ | 0.36% | 99,900 | $12,187,800 | $17,884,098 | +$5,696,298 | +46.74% | |
| Vanguard Fiduciary Trust Co | 0.00% | 89,508 | $10,919,976 | $16,023,722 | +$5,103,746 | +46.74% | |
| Mitsubishi Ufj Asset Management Co., Ltd. | 0.01% | 86,264 | $10,524,208 | $15,442,981 | +$4,918,773 | +46.74% | |
| Royce & Associates Lp | 0.10% | 84,581 | $10,318,882 | $15,141,691 | +$4,822,809 | +46.74% | |
| Hennion & Walsh Asset Management, Inc. | 0.26% | 48,885 | $9,053,991 | $8,751,393 | -$302,598 | -3.34% | |
| Wellington Management Group Llp | 0.00% | 69,827 | $8,518,894 | $12,500,430 | +$3,981,536 | +46.74% | |
| Commonwealth Equity Services, Llc | 0.01% | 44,573 | $8,255,370 | $7,979,458 | -$275,912 | -3.34% | |
| Qube Research & Technologies Ltd | 0.01% | 66,049 | $8,057,978 | $11,824,092 | +$3,766,114 | +46.74% | |
| Gibson Capital, Llc | 1.41% | 62,229 | $7,591,938 | $11,140,236 | +$3,548,298 | +46.74% | |
| Teacher Retirement System Of Texas | 0.03% | 52,021 | $6,346,562 | $9,312,799 | +$2,966,237 | +46.74% | |
| Bank Of America Corp | 0.00% | 50,637 | $6,177,714 | $9,065,036 | +$2,887,322 | +46.74% | |
| J. Goldman & Co Lp | 0.28% | 49,567 | $6,047,174 | $8,873,484 | +$2,826,310 | +46.74% |
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.