Security key
264147109
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 9,891,387
- Total 13F value
- $593,924,040
- Share change
- +21,576
- SEC-reported price per share
- $60.00
- Number of holders
- 111
- Value change
- +$2,077,513
- Number of buys
- 30
- Number of sells
- 68
- Shares outstanding
- 15,001,794
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2021
Institutions
111
Top holders
10
DCO full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2026
DUCOMMUN INC /DE/ SEC filings
DUCOMMUN INC /DE/ company facts
Broader feeds
Reporting periods
Holder history for CUSIP 264147109
Recent filing periods:
Ownership snapshot
Top reported holders of DCO - DUCOMMUN INC /DE/ - COMMON STOCK (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
DIMENSIONAL FUND ADVISORS LP
Disclosed value leader
DIMENSIONAL FUND ADVISORS LP
Comparable rows
0/15
Latest evidence
31 Dec 2020
13F
Highest disclosed value: $50,902,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
DIMENSIONAL FUND ADVISORS LP has the largest disclosed position value at $50.9M.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens DIMENSIONAL FUND ADVISORS LP's linked filing trail.
Disclosed position value
Top 5
DIMENSIONAL FUND ADVISORS LP
$50.9M
WILLIAM BLAIR INVESTMENT MANAGEME...
$46.64M
BlackRock Finance, Inc.
$42.44M
ROYAL BANK OF CANADA
$38.87M
PARADIGM CAPITAL MANAGEMENT INC/NY
$36.26M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
—
denominator unverified
|
$50,902,000
947,896 shares
|
— | 31 Dec 2020 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC |
13F
Company
|
—
denominator unverified
|
$46,636,000
868,455 shares
|
— | 31 Dec 2020 |
| BlackRock Finance, Inc. |
13F
Company
|
—
denominator unverified
|
$42,442,000
790,366 shares
|
— | 31 Dec 2020 |
| ROYAL BANK OF CANADA |
13F
Company
|
—
denominator unverified
|
$38,874,000
723,901 shares
|
— | 31 Dec 2020 |
| PARADIGM CAPITAL MANAGEMENT INC/NY |
13F
Company
|
—
denominator unverified
|
$36,265,000
675,315 shares
|
— | 31 Dec 2020 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$30,163,000
561,697 shares
|
— | 31 Dec 2020 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
111
Shares
9,891,387
Rows available
111
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2021 vs Q1 2021 Across Filers
Q1 2021 holders
111
Q1 2021 holders
111
Holder diff
0
| Investor | Q1 2021 Shares | Q1 2021 Shares | Share Diff | Share Chg % | Q1 2021 value | Q1 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend