Owens Corning
650 hedge funds and large institutions have $8.76B invested in Owens Corning in 2025 Q4 according to their latest regulatory filings, with 112 funds opening new positions, 196 increasing their positions, 267 reducing their positions, and 161 closing their positions.
67% more funds holding in top 10
Funds holding in top 10: 3 → 5 (+2)
3.56% more ownership
Funds ownership: 91.16% → 94.72% (+3.6%)
9% more capital inflows, than outflows
Capital inflows: $1.83B | Capital outflows: $1.68B
1% less call options, than puts
Call options by funds: $72.7M | Put options by funds: $73.3M
9% less funds holding
Funds holding: 718 → 650 (-68)
27% less repeat investments, than reductions
Existing positions increased: 196 | Existing positions reduced: 267
30% less first-time investments, than exits
New positions opened: 112 | Existing positions closed: 161
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Arrowstreet Capital
Boston,
Massachusetts
|
+$127M |
| 2 |
Appaloosa LP
Short Hills,
New Jersey
|
+$92.5M |
| 3 |
GJL
Gendell Jeffrey L
|
+$84.1M |
| 4 |
Fidelity Investments
Boston,
Massachusetts
|
+$77.2M |
| 5 |
Dimensional Fund Advisors
Austin,
Texas
|
+$75.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
-$160M |
| 2 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
-$76.2M |
| 3 |
Assenagon Asset Management
Senningerberg,
Luxembourg
|
-$69.2M |
| 4 |
State Street
Boston,
Massachusetts
|
-$65.7M |
| 5 |
Select Equity Group
New York
|
-$51.1M |
OC Hedge Fund Activity: Q4 2025 in Review
650 of the 8,287 institutional investors tracked by Wall St. Rank reported a position in Owens Corning (OC) for Q4 2025, worth a combined $8.76B — down 19% from $10.8B a quarter earlier.
Sellers outnumbered buyers: 161 funds closed out of OC and 112 opened new positions — a net loss of 49 holders — while 267 trimmed existing stakes and 196 added.
The largest buyer was Arrowstreet Capital, adding an estimated $127M. The largest seller was BlackRock, cutting an estimated $160M.
- 650 institutional investors held Owens Corning (OC) as of Q4 2025, down from 718 in Q3 2025.
- Funds reported $8.76B of Owens Corning stock for Q4 2025, down 19% quarter-over-quarter.
- 112 funds opened new Owens Corning positions in Q4 2025 and 161 closed out, a net change of -49 holders.
- The largest Owens Corning buyer in Q4 2025 was Arrowstreet Capital, an estimated $127M added.
- The largest Owens Corning seller in Q4 2025 was BlackRock, an estimated $160M sold.
Based on aggregated 13F filings for Q4 2025.