13F Insight
DOSSIER · 13F Holders · Q1 2026Basic Materials · Abrasive, Asbestos & Misc Nonmetallic Mineral ProdsCyclicalNet sold
OC

OWENS CORNING NEW

681 institutions still hold OWENS CORNING NEW as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 690742101·Abrasive, Asbestos & Misc Nonmetallic Mineral Prods·681 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 3.3%
vs prior quarter
13F value held
$5.1B
62.0% inst. owned
of float
Holders
681
+41 QoQ
filers reporting
Activity
+21 / −106
+899 added · −833 reduced
this quarter
Concentration
19.70%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

681 institutions reported OC in Q1 2026. BlackRock, Inc. leads at 19.7% of the visible book. +41 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$997M9.2M0.02%Q1 202602
Vanguard Portfolio Management
CIK 0002100121
$596M5.5M0.03%Q1 202603
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$392M3.6M0.01%Q1 202604
STATE STREET CORP
CIK 0000093751
$334M3.1M0.01%Q1 202605
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$299M2.8M0.06%Q1 202606
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$271M2.5M0.12%Q1 202607
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
CIK 0000861177
$240M2.2M0.05%Q1 202608
FIRST TRUST ADVISORS LP
CIK 0001125816· Index
$236M2.2M0.17%Q1 202609
DAVIS SELECTED ADVISERS
CIK 0001036325
$227M2.1M1.04%Q1 202610
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$221M2.0M0.11%Q1 202611
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$214M1.9M0.01%Q1 202612
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$138M1.3M0.07%Q1 202613
JPMORGAN CHASE & CO
CIK 0000019617
$129M1.2M0.01%Q1 202614
Allspring Global Investments Holdings, LLC
CIK 0001890906
$126M1.2M0.21%Q1 202615
NORDEA INVESTMENT MANAGEMENT AB
CIK 0001218210
$118M1.1M0.11%Q1 202616
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$109M1.0M0.05%Q1 202617
Appaloosa LP
CIK 0001656456
$106M950K1.54%Q4 202518
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$105M973K0.08%Q1 202619
GENDELL JEFFREY L
CIK 0001056581
$102M941K1.39%Q1 202620
HARRIS ASSOCIATES L P
CIK 0000813917
$99M915K0.13%Q1 2026
Page 1 of 35
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