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Owens Corning

OC
Exchange
NYSE
Industry
Abrasive, Asbestos & Misc Nonmetallic Mineral Prods
SEC CIK
0001370946

In the last 90 days, Owens Corning insiders filed 0 open-market purchases and 1 sale; 693 institutions reported holding it in 13F filings for Q2 2026, worth $13.1B in total; Harris Associates (Oakmark) is the only superinvestor holding it.

13F holders, Q3 2025

Institutional positions in Owens Corning as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
717
+26 vs. Q2 2025
Shares held
76.2M
+96.7K (+0.1%) vs. Q2 2025
Total value
$10.8B
+$305.1M (+2.9%) vs. Q2 2025
New holders
100
260 more added
Sold out
74
246 more reduced

11 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting OC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 717 institutions
Q1 2021: 443 institutionsQ2 2021: 460 institutionsQ3 2021: 461 institutionsQ4 2021: 510 institutionsQ1 2022: 489 institutionsQ2 2022: 493 institutionsQ3 2022: 499 institutionsQ4 2022: 534 institutionsQ1 2023: 536 institutionsQ2 2023: 561 institutionsQ3 2023: 615 institutionsQ4 2023: 641 institutionsQ1 2024: 671 institutionsQ2 2024: 720 institutionsQ3 2024: 733 institutionsQ4 2024: 777 institutionsQ1 2025: 724 institutionsQ2 2025: 702 institutionsQ3 2025: 717 institutionsQ4 2025: 650 institutionsQ1 2026: 637 institutionsQ2 2026: 693 institutions
Value heldQ3 2025: $10.8B
Q1 2021: $8.97BQ2 2021: $9.40BQ3 2021: $8.03BQ4 2021: $8.32BQ1 2022: $8.37BQ2 2022: $6.71BQ3 2022: $7.14BQ4 2022: $7.42BQ1 2023: $8.24BQ2 2023: $10.8BQ3 2023: $11.1BQ4 2023: $11.6BQ1 2024: $12.9BQ2 2024: $13.7BQ3 2024: $13.7BQ4 2024: $13.1BQ1 2025: $11.0BQ2 2025: $10.7BQ3 2025: $10.8BQ4 2025: $8.77BQ1 2026: $8.66BQ2 2026: $13.1B
Institutions holding OC and their total value by quarter
QuarterHoldersValue
Q2 2026693$13.1B
Q1 2026637$8.66B
Q4 2025650$8.77B
Q3 2025717$10.8B
Q2 2025702$10.7B
Q1 2025724$11.0B
Q4 2024777$13.1B
Q3 2024733$13.7B
Q2 2024720$13.7B
Q1 2024671$12.9B
Q4 2023641$11.6B
Q3 2023615$11.1B
Q2 2023561$10.8B
Q1 2023536$8.24B
Q4 2022534$7.42B
Q3 2022499$7.14B
Q2 2022493$6.71B
Q1 2022489$8.37B
Q4 2021510$8.32B
Q3 2021461$8.03B
Q2 2021460$9.40B
Q1 2021443$8.97B

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Owens Corning; share changes are against Q2 2025.

Institutions holding OC in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Macquarie Group Ltd93,384$13.2M0.02%−1,453−1.5%Reduced
Paradiem, LLC94,067$13.3M3.10%+85,047+942.9%Added
National Pension Service95,495$13.5M0.01%+19,375+25.5%Added
Credit Agricole S A97,595$13.8M0.05%+97,595New
Skylands Capital, LLC98,585$13.9M1.93%+110+0.1%Added
Cubist Systematic Strategies, LLC99,391$14.1M0.20%−99,697−50.1%Reduced
Glenmede Investment Management, LP100,313$14.2M0.07%−4,639−4.4%Reduced
California State Teachers Retirement System101,407$14.3M0.01%−187−0.2%Reduced
Envestnet Asset Management Inc102,150$14.5M0.00%−124−0.1%Reduced
ExodusPoint Capital Management, LP104,713$14.8M0.21%−58,450−35.8%Reduced
KLP Kapitalforvaltning AS110,243$15.6M0.06%−15,600−12.4%Reduced
Caisse de Depot Et Placement du Quebec117,387$16.6M0.03%+20,457+21.1%Added
Callodine Capital Management, LP122,930$17.4M1.52%+122,930New
Millennium Management LLC124,951$17.7M0.01%−727,098−85.3%Reduced
Abn Amro Investment Solutions127,666$18.1M0.37%−2,665−2.0%Reduced
Junto Capital Management LP132,034$18.7M0.39%+132,034New
Aware Super Pty Ltd as trustee of Aware Super133,027$18.8M0.26%−25,892−16.3%Reduced
Ceredex Value Advisors LLC133,150$18.8M0.44%−110,100−45.3%Reduced
Two Sigma Advisers, LP137,000$19.4M0.04%−50,100−26.8%Reduced
Federated Hermes, Inc.137,432$19.4M0.03%+43,320+46.0%Added
SummitTX Capital, L.P.137,856$19.5M0.81%+22,737+19.8%Added
Pictet Asset Management Holding SA137,913$19.5M0.02%−10,165−6.9%Reduced
Jupiter Asset Management Ltd143,779$20.3M0.17%00.0%Unchanged
BW Gestao de Investimentos Ltda.144,000$20.4M1.54%+144,000New
Alliancebernstein L.P.149,206$21.1M0.01%+32,775+28.1%Added
Lansforsakringar Fondforvaltning AB (publ)150,293$21.3M0.11%+47,502+46.2%Added
Great West Life Assurance Co155,378$21.9M0.03%−5,880−3.6%Reduced
Triodos Investment Management BV156,000$22.1M1.60%00.0%Unchanged
California Public Employees Retirement System161,235$22.8M0.01%+2,484+1.6%Added
Appaloosa LPSuperinvestorAppaloosa161,500$22.8M0.31%+161,500New
Janus Henderson Group PLC162,989$23.1M0.01%+162,989New
Robeco Institutional Asset Management B.V.169,142$23.9M0.03%−26,326−13.5%Reduced
Cincinnati Financial Corp171,000$24.2M0.48%00.0%Unchanged
Candriam Luxembourg S.C.A.174,164$24.6M0.13%−4,241−2.4%Reduced
Renaissance Technologies LLC175,200$24.8M0.03%+172,400+6,157.1%Added
Man Group plc175,784$24.9M0.05%−118,188−40.2%Reduced
William Blair Investment Management, LLC179,288$25.4M0.07%+245+0.1%Added
Allspring Global Investments Holdings, LLC180,297$25.5M0.04%+36,933+25.8%Added
Interval Partners, LP184,513$26.1M0.56%+144,897+365.8%Added
Russell Investments Group, Ltd.187,535$26.5M0.03%−17,095−8.4%Reduced
Wells Fargo & Company190,896$27.0M0.01%+8,884+4.9%Added
Retirement Systems of Alabama192,161$27.2M0.09%−2,843−1.5%Reduced
Royal Bank of Canada194,736$27.5M0.00%−160,257−45.1%Reduced
Sumitomo Mitsui Trust Holdings, Inc.196,315$27.8M0.02%+152+0.1%Added
Gendell Jeffrey L205,224$29.0M0.53%+56,483+38.0%Added
Kimelman & Baird, LLC206,316$29.2M2.28%+1,575+0.8%Added
Goldman Sachs Group Inc209,930$29.7M0.00%−7,205−3.3%Reduced
Cincinnati Insurance Co212,000$30.0M0.46%00.0%Unchanged
Systematic Financial Management LP220,564$31.2M0.76%+874+0.4%Added
Bridgewater Associates, LP222,087$31.4M0.12%+178,228+406.4%Added
Highland Peak Capital, LLC225,919$32.0M11.97%+225,919New
Arrowstreet Capital, Limited Partnership234,142$33.1M0.02%+177,370+312.4%Added
Rhumbline Advisers240,352$34.0M0.03%−3,754−1.5%Reduced
Invesco Ltd.240,666$34.0M0.01%−39,887−14.2%Reduced
Barclays PLC243,468$34.4M0.01%+55,628+29.6%Added
Swiss National Bank245,100$34.7M0.02%−13,200−5.1%Reduced
Worldquant Millennium Advisors LLC251,642$35.6M0.15%+22,064+9.6%Added
Great Lakes Advisors, LLC252,196$35.7M0.30%−3,500−1.4%Reduced
ABN AMRO Bank N.V.253,645$35.8M0.35%+4,129+1.7%Added
D. E. Shaw & Co., Inc.256,283$36.3M0.03%−43,366−14.5%Reduced
Harris Associates L PSuperinvestorHarris Associates (Oakmark)261,960$37.1M0.06%−850.0%Reduced
KBC Group NV264,287$37.4M0.09%−207,980−44.0%Reduced
Point72 Asset Management, L.P.266,329$37.7M0.08%−149,321−35.9%Reduced
Two Sigma Investments, LP266,766$37.7M0.06%−152,930−36.4%Reduced
Prudential Financial Inc271,204$38.4M0.05%+77,701+40.2%Added
American Century Companies Inc275,855$39.0M0.02%+27,748+11.2%Added
Legal & General Group Plc281,521$39.8M0.01%−13,257−4.5%Reduced
Swedbank AB308,991$43.7M0.04%−8,058−2.5%Reduced
Raiffeisen Bank International AG314,417$44.4M0.59%+14,943+5.0%Added
Raymond James Financial Inc316,711$44.8M0.01%+51,373+19.4%Added
Franklin Resources Inc320,607$45.4M0.01%+137,849+75.4%Added
Quantinno Capital Management LP325,100$46.0M0.13%+205,274+171.3%Added
Gotham Asset Management, LLC325,866$46.1M0.20%+180,244+123.8%Added
Fisher Asset Management, LLC327,583$46.3M0.02%+3,901+1.2%Added
River Road Asset Management, LLC337,923$47.8M0.54%+337,923New
Skandinaviska Enskilda Banken AB (publ)349,058$49.4M0.20%−110,288−24.0%Reduced
AustralianSuper Pty Ltd351,009$49.7M0.23%−189,267−35.0%Reduced
Allianz Asset Management GmbH359,190$50.8M0.06%−102,900−22.3%Reduced
Ameriprise Financial Inc365,959$51.8M0.01%−204,065−35.8%Reduced
Lodge Hill Capital, LLC378,570$53.6M9.57%+140,000+58.7%Added
Principal Financial Group Inc379,164$53.6M0.03%−13,862−3.5%Reduced
Pictet & Cie (Europe) SA386,699$54.7M1.09%+219,742+131.6%Added
Banque Pictet & Cie SA393,026$55.6M0.56%+230,014+141.1%Added
Zurcher Kantonalbank (Zurich Cantonalbank)406,612$57.5M0.13%−37,448−8.4%Reduced
Virginia Retirement Systems Et Al422,985$59.8M0.39%+30,100+7.7%Added
FMR LLC427,754$60.5M0.00%−7,667−1.8%Reduced
Nuveen, LLC435,396$61.6M0.02%−5,990−1.4%Reduced
Empower Advisory Group, LLC435,405$61.6M0.17%+11,205+2.6%Added
Select Equity Group, L.P.472,495$66.8M0.29%+472,495New
Assenagon Asset Management S.A.489,099$69.2M0.10%+392,932+408.6%Added
LGT Group Foundation507,006$71.6M0.82%−2,536−0.5%Reduced
DekaBank Deutsche Girozentrale514,195$71.9M0.12%00.0%Unchanged
Clean Energy Transition LLP531,618$75.2M6.62%+531,618New
Schroder Investment Management Group550,775$77.7M0.06%+47,524+9.4%Added
Bank of America Corp567,993$80.3M0.01%−17,691−3.0%Reduced
Amundi596,329$82.2M0.03%−490,406−45.1%Reduced
Charles Schwab Investment Management Inc617,674$87.4M0.01%+2,925+0.5%Added
Victory Capital Management Inc639,617$90.5M0.06%+176,302+38.1%Added
UBS Group AG646,706$91.5M0.02%+222,895+52.6%Added
Nordea Investment Management AB735,438$102.3M0.09%−1,490,362−67.0%Reduced