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Owens Corning

629 hedge funds and large institutions have $8.66B invested in Owens Corning in 2026 Q1 according to their latest regulatory filings, with 101 funds opening new positions, 254 increasing their positions, 181 reducing their positions, and 104 closing their positions.

New
Increased
Maintained
Reduced
Closed

40% more repeat investments, than reductions

Existing positions increased: 254 | Existing positions reduced: 181

4.8% more ownership

Funds ownership: 94.74%99.54% (+4.8%)

1% less capital invested

Capital invested by funds: $8.76B → $8.66B (-$107M)

3% less first-time investments, than exits

New positions opened: 101 | Existing positions closed: 104

8% less call options, than puts

Call options by funds: $56.7M | Put options by funds: $61.6M

2% less funds holding

Funds holding: 644629 (-15)

40% less funds holding in top 10

Funds holding in top 10: 53 (-2)

Holders
629
Holders Change
-15
Holders Change %
-2.33%
% of All Funds
7.75%
Holding in Top 10
3
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-40%
% of All Funds
0.04%
New
101
Increased
254
Reduced
181
Closed
104
Calls
$56.7M
Puts
$61.6M
Net Calls
-$4.98M
Net Calls Change
-$4.39M
Name Holding Trade Value Shares
Change
Change in
Stake
William Blair Investment Management
101
William Blair Investment Management
Illinois
$11.3M -$7.53M -63,141 -38%
HP
102
Hartree Partners
New York
$10.7M +$11.8M +98,691 New
WCM
103
Wedge Capital Management
North Carolina
$10.6M +$1.74M +14,638 +17%
Citigroup
104
Citigroup
New York
$10.5M -$239K -2,009 -2%
Prudential Financial
105
Prudential Financial
New Jersey
$10.4M -$39.7M -332,915 -78%
California State Teachers Retirement System (CalSTRS)
106
California State Teachers Retirement System (CalSTRS)
California
$10.3M +$1.89M +15,824 +20%
Pictet Asset Management
107
Pictet Asset Management
Switzerland
$10M -$1.22M -10,256 -10%
IC
108
IEQ Capital
California
$10M +$4.72M +39,597 +75%
BNP Paribas Asset Management
109
BNP Paribas Asset Management
France
$9.98M +$744K +6,239 +7%
Stifel Financial
110
Stifel Financial
Missouri
$9.57M +$1.31M +11,018 +14%
RAM
111
RWC Asset Management
United Kingdom
$9.42M +$10.4M +87,079 New
Credit Agricole
112
Credit Agricole
France
$9.19M -$1.55M -13,007 -13%
CSUI
113
Cincinnati Specialty Underwriters Insurance
Ohio
$9.06M +$9.98M +83,700 New
Grantham, Mayo, Van Otterloo & Co (GMO)
114
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$9.06M +$2.55M +21,427 +34%
Mackenzie Financial
115
Mackenzie Financial
Ontario, Canada
$9.01M +$9.16M +76,798 +1,191%
ECSS
116
Eurizon Capital SGR SpA
$8.81M -$16M -134,174 -62%
Natixis Advisors
117
Natixis Advisors
Massachusetts
$8.74M +$9.63M +80,803 New
MGP
118
M&G plc
United Kingdom
$8.64M +$2.51M +21,096 +36%
Connor, Clark & Lunn Investment Management (CC&L)
119
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$8.63M -$300K -2,515 -3%
VanEck Associates
120
VanEck Associates
New York
$8.55M +$126K +1,054 +1%
Canada Life
121
Canada Life
Manitoba, Canada
$8.52M -$186K -1,560 -2%
ACA
122
Aptus Capital Advisors
Alabama
$8.28M -$1.12M -9,377 -11%
New York State Common Retirement Fund
123
New York State Common Retirement Fund
New York
$8.21M +$4.66M +39,132 +106%
CS
124
Candriam SCA
Luxembourg
$8.19M +$1.12M +9,417 +14%
NAMI
125
Nomura Asset Management International
Pennsylvania
$8.05M -$1.01M -8,468 -10%