Owens Corning
728 hedge funds and large institutions have $11B invested in Owens Corning in 2025 Q1 according to their latest regulatory filings, with 96 funds opening new positions, 255 increasing their positions, 277 reducing their positions, and 137 closing their positions.
67% more funds holding in top 10
Funds holding in top 10: 3 → 5 (+2)
38% more call options, than puts
Call options by funds: $54.7M | Put options by funds: $39.7M
6% more capital inflows, than outflows
Capital inflows: $1.49B | Capital outflows: $1.41B
0.87% more ownership
Funds ownership: 89.6% → 90.47% (+0.87%)
8% less repeat investments, than reductions
Existing positions increased: 255 | Existing positions reduced: 277
7% less funds holding
Funds holding: 779 → 728 (-51)
30% less first-time investments, than exits
New positions opened: 96 | Existing positions closed: 137
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Vanguard Group
Malvern,
Pennsylvania
|
+$174M |
| 2 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$158M |
| 3 |
Millennium Management
New York
|
+$91.6M |
| 4 |
Squarepoint
New York
|
+$87M |
| 5 |
1SP
140 Summer Partners
New York
|
+$54.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
IP
Interval Partners
New York
|
-$72.4M |
| 2 |
First Trust Advisors
Wheaton,
Illinois
|
-$65.6M |
| 3 |
JP Morgan Chase
New York
|
-$59.8M |
| 4 |
Clark Capital Management Group
Philadelphia,
Pennsylvania
|
-$55.2M |
| 5 |
Aberdeen Group
Edinburgh,
United Kingdom
|
-$52.4M |
OC Hedge Fund Activity: Q1 2025 in Review
728 of the 7,487 institutional investors tracked by Wall St. Rank reported a position in Owens Corning (OC) for Q1 2025, worth a combined $11B — down 16% from $13.1B a quarter earlier.
Sellers outnumbered buyers: 137 funds closed out of OC and 96 opened new positions — a net loss of 41 holders — while 277 trimmed existing stakes and 255 added.
The largest buyer was Vanguard Group, adding an estimated $174M. The largest seller was Interval Partners, exiting entirely with an estimated $72.4M sold.
- 728 institutional investors held Owens Corning (OC) as of Q1 2025, down from 779 in Q4 2024.
- Funds reported $11B of Owens Corning stock for Q1 2025, down 16% quarter-over-quarter.
- 96 funds opened new Owens Corning positions in Q1 2025 and 137 closed out, a net change of -41 holders.
- The largest Owens Corning buyer in Q1 2025 was Vanguard Group, an estimated $174M added.
- The largest Owens Corning seller in Q1 2025 was Interval Partners, an estimated $72.4M sold.
Based on aggregated 13F filings for Q1 2025.