Ducommun
206 hedge funds and large institutions have $1.27B invested in Ducommun in 2025 Q4 according to their latest regulatory filings, with 32 funds opening new positions, 66 increasing their positions, 76 reducing their positions, and 28 closing their positions.
1,710% more call options, than puts
Call options by funds: $5.07M | Put options by funds: $280K
14% more first-time investments, than exits
New positions opened: 32 | Existing positions closed: 28
1% more funds holding
Funds holding: 203 → 206 (+3)
0.52% more ownership
Funds ownership: 88.67% → 89.19% (+0.52%)
0% less capital invested
Capital invested by funds: $1.27B → $1.27B (-$2.98M)
13% less repeat investments, than reductions
Existing positions increased: 66 | Existing positions reduced: 76
29% less funds holding in top 10
Funds holding in top 10: 7 → 5 (-2)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Loomis, Sayles & Company
Boston,
Massachusetts
|
+$25.5M |
| 2 |
WCM Investment Management
Laguna Beach,
California
|
+$11.8M |
| 3 |
Millennium Management
New York
|
+$7.92M |
| 4 |
American Century Companies
Kansas City,
Missouri
|
+$7.87M |
| 5 |
VanEck Associates
New York
|
+$7.72M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
RC
RDST Capital
Seattle,
Washington
|
-$10.4M |
| 2 |
Dimensional Fund Advisors
Austin,
Texas
|
-$10.2M |
| 3 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
-$9.56M |
| 4 |
Renaissance Technologies
New York
|
-$5.25M |
| 5 |
Franklin Resources
San Mateo,
California
|
-$5.16M |
DCO Hedge Fund Activity: Q4 2025 in Review
206 of the 8,266 institutional investors tracked by Wall St. Rank reported a position in Ducommun (DCO) for Q4 2025, worth a combined $1.27B — down 0.23% from $1.27B a quarter earlier.
Buyers outnumbered sellers: 32 funds opened new DCO positions and 28 closed out — a net gain of 4 holders — while 66 added to existing stakes and 76 trimmed.
The largest buyer was Loomis, Sayles & Company, opening a new position worth an estimated $25.5M. The largest seller was RDST Capital, cutting an estimated $10.4M.
- 206 institutional investors held Ducommun (DCO) as of Q4 2025, up from 203 in Q3 2025.
- Funds reported $1.27B of Ducommun stock for Q4 2025, down 0.23% quarter-over-quarter.
- 32 funds opened new Ducommun positions in Q4 2025 and 28 closed out, a net change of +4 holders.
- The largest Ducommun buyer in Q4 2025 was Loomis, Sayles & Company, an estimated $25.5M added.
- The largest Ducommun seller in Q4 2025 was RDST Capital, an estimated $10.4M sold.
Based on aggregated 13F filings for Q4 2025.