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Owens Corning

720 hedge funds and large institutions have $11B invested in Owens Corning in 2025 Q1 according to their latest regulatory filings, with 95 funds opening new positions, 253 increasing their positions, 273 reducing their positions, and 137 closing their positions.

New
Increased
Maintained
Reduced
Closed

67% more funds holding in top 10

Funds holding in top 10: 35 (+2)

38% more call options, than puts

Call options by funds: $54.7M | Put options by funds: $39.7M

0.87% more ownership

Funds ownership: 89.59%90.45% (+0.87%)

7% less repeat investments, than reductions

Existing positions increased: 253 | Existing positions reduced: 273

7% less funds holding

Funds holding: 772720 (-52)

16% less capital invested

Capital invested by funds: $13.1B → $11B (-$2.04B)

31% less first-time investments, than exits

New positions opened: 95 | Existing positions closed: 137

Holders
720
Holders Change
-52
Holders Change %
-6.74%
% of All Funds
9.65%
Holding in Top 10
5
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+66.67%
% of All Funds
0.07%
New
95
Increased
253
Reduced
273
Closed
137
Calls
$54.7M
Puts
$39.7M
Net Calls
+$15M
Net Calls Change
-$21.4M
Name Holding Trade Value Shares
Change
Change in
Stake
CSS
126
Cubist Systematic Strategies
Connecticut
$11.1M +$6.63M +40,086 +107%
National Pension Service
127
National Pension Service
South Korea
$10.7M -$22.6M -136,644 -65%
WCM
128
Wedge Capital Management
North Carolina
$10.4M +$2.92M +17,660 +32%
New York State Teachers Retirement System (NYSTRS)
129
New York State Teachers Retirement System (NYSTRS)
New York
$10.2M -$36.4K -220 -0.3%
ZIM
130
Zacks Investment Management
Illinois
$10.1M +$256K +1,551 +2%
Universal-Beteiligungs- und Servicegesellschaft
131
Universal-Beteiligungs- und Servicegesellschaft
Germany
$10.1M -$12.8M -77,619 -52%
ACA
132
Aptus Capital Advisors
Alabama
$9.97M +$1.09M +6,571 +10%
Mitsubishi UFJ Asset Management
133
Mitsubishi UFJ Asset Management
Japan
$9.95M +$1.32M +7,958 +13%
GAM
134
Guinness Asset Management
United Kingdom
$9.89M -$7.1M -42,968 -38%
QCM
135
Quantinno Capital Management
New York
$9.82M +$1.96M +11,843 +21%
RGC
136
Regents Gate Capital
United Kingdom
$9.56M +$11.1M +66,970 New
BAMF
137
BI Asset Management Fondsmaeglerselskab
Denmark
$9.55M -$665K -4,024 -6%
Grantham, Mayo, Van Otterloo & Co (GMO)
138
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$9.04M +$369K +2,234 +4%
OSAM
139
O'Shaughnessy Asset Management
Connecticut
$8.98M -$2.14M -12,959 -17%
BGIM
140
Brandywine Global Investment Management
Pennsylvania
$8.98M -$757K -4,578 -7%
TC
141
TwinBeech Capital
New York
$8.91M -$11.7M -70,919 -53%
EGM
142
Engineers Gate Manager
New York
$8.88M -$13.6K -82 -0.1%
Thrivent Financial for Lutherans
143
Thrivent Financial for Lutherans
Minnesota
$8.72M -$5.81M -35,121 -39%
SDIC
144
South Dakota Investment Council
South Dakota
$8.55M +$6.84M +41,406 +224%
HF
145
HRT Financial
New York
$8.29M -$26M -157,337 -73%
Stifel Financial
146
Stifel Financial
Missouri
$8.2M -$1.73M -10,465 -15%
QT
147
Quantbot Technologies
New York
$8.13M +$8.39M +50,730 +820%
Aviva
148
Aviva
United Kingdom
$8.08M +$1.23M +7,427 +15%
RS
149
Robeco Schweiz
Switzerland
$7.77M -$9.59M -58,000 -52%
BA
150
Bridgewater Associates
Connecticut
$7.67M +$6.61M +39,978 +292%

OC Hedge Fund Activity: Q1 2025 in Review

720 of the 7,458 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 95 opened new positions — a net loss of 42 holders — while 273 trimmed existing stakes and 253 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.

  • 720 institutional investors held Owens Corning (OC) as of Q1 2025, down from 772 in Q4 2024.
  • Funds reported $11B of Owens Corning stock for Q1 2025, down 16% quarter-over-quarter.
  • 95 funds opened new Owens Corning positions in Q1 2025 and 137 closed out, a net change of -42 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.