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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, Q1 2026

Institutional positions in Owens Corning as of Mar 31, 2026. 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
637
−2 vs. Q4 2025
Shares held
80.0M
+13.1M (+19.6%) vs. Q4 2025
Total value
$8.66B
+$1.12B (+14.8%) vs. Q4 2025
New holders
103
257 more added
Sold out
105
183 more reduced

11 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 637 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 heldQ1 2026: $8.66B
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, Q1 2026

Shares, value and share of portfolio for each institution holding Owens Corning; share changes are against Q4 2025.

Institutions holding OC in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.9,210,864$996.8M0.02%−142,518−1.5%Reduced
Vanguard Portfolio Management LLC5,508,121$596.1M0.03%+5,508,121New
Vanguard Capital Management LLC3,618,028$391.5M0.01%+3,618,028New
State Street Corp3,064,304$334.0M0.01%−11,224−0.4%Reduced
Dimensional Fund Advisors LP2,764,616$299.2M0.06%+188,211+7.3%Added
AQR Capital Management LLC2,540,023$271.4M0.12%+1,107,377+77.3%Added
UBS Asset Management Americas Inc2,219,335$240.2M0.05%+934,737+72.8%Added
First Trust Advisors LP2,179,214$235.8M0.17%+403,803+22.7%Added
Davis Selected Advisers2,100,935$227.4M1.04%+54,352+2.7%Added
American Century Companies Inc2,042,502$221.0M0.11%+1,728,035+549.5%Added
Geode Capital Management, LLC1,888,070$214.3M0.01%+151,807+8.7%Added
Price T Rowe Associates Inc1,523,829$164.9M0.02%−1,070,400−41.3%Reduced
LSV Asset Management1,459,821$158.0M0.34%−3,850−0.3%Reduced
Arrowstreet Capital, Limited Partnership1,278,118$138.3M0.07%−34,901−2.7%Reduced
JPMorgan Chase & Co1,240,204$129.4M0.01%+146,572+13.4%Added
Allspring Global Investments Holdings, LLC1,170,179$125.5M0.21%+1,027,800+721.9%Added
Nordea Investment Management AB1,126,860$118.1M0.11%+783,626+228.3%Added
Two Sigma Investments, LP972,510$105.2M0.09%+118,339+13.9%Added
Millennium Management LLC960,377$103.9M0.08%+359,455+59.8%Added
Gendell Jeffrey L940,522$101.8M1.39%+18,459+2.0%Added
Harris Associates L PSuperinvestorHarris Associates (Oakmark)915,393$99.1M0.13%+634,865+226.3%Added
Morgan Stanley825,878$89.4M0.01%+91,852+12.5%Added
Deutsche Bank AG763,547$82.6M0.03%+32,714+4.5%Added
Bank of America Corp744,127$80.5M0.01%−24,375−3.2%Reduced
Goldman Sachs Group Inc732,333$79.3M0.01%+340,771+87.0%Added
Northern Trust Corp718,359$77.7M0.01%+9,386+1.3%Added
Charles Schwab Investment Management Inc700,527$75.8M0.01%+35,529+5.3%Added
Victory Capital Management Inc682,556$73.9M0.05%−69,636−9.3%Reduced
Bank of New York Mellon Corp619,538$67.0M0.01%−2,202−0.4%Reduced
Sound Shore Management Inc592,330$64.1M2.15%+592,330New
Clean Energy Transition LLP574,854$62.2M5.10%+11,312+2.0%Added
Schroder Investment Management Group555,232$57.9M0.05%−5,999−1.1%Reduced
DekaBank Deutsche Girozentrale514,195$55.5M0.09%00.0%Unchanged
Gotham Asset Management, LLC510,371$55.2M0.17%+120,587+30.9%Added
Vanguard Fiduciary Trust Co508,209$55.0M0.01%+508,209New
D. E. Shaw & Co., Inc.499,158$54.0M0.04%−168,303−25.2%Reduced
Franklin Resources Inc468,254$50.7M0.01%+111,840+31.4%Added
LGT Group Foundation459,525$49.7M0.61%−51,141−10.0%Reduced
Raymond James Financial Inc452,040$48.9M0.02%+157,378+53.4%Added
Balyasny Asset Management LLC449,745$48.7M0.10%+449,745New
Alliancebernstein L.P.419,923$47.0M0.02%+164,804+64.6%Added
Vaughan Nelson Investment Management, L.P.423,790$45.9M0.46%+423,790New
UBS Group AG418,613$45.3M0.01%+151,734+56.9%Added
FMR LLC417,642$45.2M0.00%−668,074−61.5%Reduced
Principal Financial Group Inc409,896$44.4M0.02%+56,990+16.1%Added
Banque Pictet & Cie SA402,697$43.6M0.51%−9,882−2.4%Reduced
Lodge Hill Capital, LLC363,570$39.3M7.60%+45,000+14.1%Added
River Road Asset Management, LLC358,408$38.8M0.44%+10,292+3.0%Added
SG Americas Securities, LLC356,932$38.6M0.04%+144,324+67.9%Added
Point72 Asset Management, L.P.335,185$36.3M0.06%−425,403−55.9%Reduced
Callodine Capital Management, LP326,730$35.4M2.49%+95,562+41.3%Added
Nuveen, LLC323,487$35.0M0.01%−436−0.1%Reduced
Pictet & Cie (Europe) SA308,286$33.4M0.71%−35,126−10.2%Reduced
Swedbank AB293,976$31.8M0.03%+808+0.3%Added
Amundi288,809$31.3M0.01%+63,793+28.4%Added
Great Lakes Advisors, LLC279,711$30.3M0.25%+33,599+13.7%Added
Wells Fargo & Company277,093$30.0M0.01%+136,222+96.7%Added
Raiffeisen Bank International AG280,083$29.2M0.42%−73,219−20.7%Reduced
Apollo Management Holdings, L.P.240,600$26.0M0.43%+240,600New
Systematic Financial Management LP239,548$25.9M0.59%−4,889−2.0%Reduced
Rhumbline Advisers235,194$25.5M0.02%+3,275+1.4%Added
Russell Investments Group, Ltd.223,372$24.2M0.03%+22,070+11.0%Added
Cincinnati Insurance Co212,000$22.9M0.35%00.0%Unchanged
Cincinnati Financial Corp209,000$22.6M0.46%00.0%Unchanged
Quantinno Capital Management LP208,320$22.5M0.04%+18,859+10.0%Added
Kimelman & Baird, LLC196,230$21.2M1.75%−906−0.5%Reduced
Retirement Systems of Alabama191,813$20.8M0.07%+2,120+1.1%Added
Invesco Ltd.191,346$20.7M0.00%−17,127−8.2%Reduced
Antipodes Partners Ltd184,456$20.0M0.38%+184,456New
SEI Investments Co181,184$19.6M0.02%+121,902+205.6%Added
Invenomic Capital Management LP175,935$19.0M0.88%+12,170+7.4%Added
Goldentree Asset Management LP176,201$19.0M1.13%−352,000−66.6%Reduced
Swiss National Bank162,500$17.6M0.01%−2,500−1.5%Reduced
ARGA Investment Management, LP161,642$17.5M0.57%+161,642New
Susquehanna Fundamental Investments, LLC159,397$17.2M0.65%+159,397New
Ameriprise Financial Inc156,290$16.9M0.00%−3,287−2.1%Reduced
Triodos Investment Management BV156,000$16.9M1.28%00.0%Unchanged
California Public Employees Retirement System153,581$16.6M0.01%−6,214−3.9%Reduced
Barclays PLC147,420$16.0M0.01%−2,873−1.9%Reduced
Jupiter Asset Management Ltd143,779$15.6M0.08%00.0%Unchanged
SummitTX Capital, L.P.143,361$15.5M0.50%−27,506−16.1%Reduced
KBC Group NV137,946$14.9M0.04%−97,211−41.3%Reduced
Nan Fung Trinity (HK) Ltd136,024$14.7M1.62%+136,024New
Federated Hermes, Inc.134,949$14.6M0.02%+720+0.5%Added
Distillate Capital Partners LLC134,159$14.5M0.76%+820+0.6%Added
Skylands Capital, LLC130,745$14.1M1.85%−7,275−5.3%Reduced
Handelsbanken Fonder AB129,192$14.0M0.05%−12,224−8.6%Reduced
Teachers Retirement System of the State of Kentucky129,065$14.0M0.11%−2,000−1.5%Reduced
Envestnet Asset Management Inc127,624$13.8M0.00%+37,597+41.8%Added
Robeco Institutional Asset Management B.V.126,500$13.7M0.02%+20,292+19.1%Added
Lansforsakringar Fondforvaltning AB (publ)124,193$13.4M0.07%00.0%Unchanged
Legal & General Group Plc120,507$13.0M0.00%−12,694−9.5%Reduced
Royal Bank of Canada118,039$12.8M0.00%−21,824−15.6%Reduced
Man Group plc116,286$12.6M0.03%+83,036+249.7%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.114,441$12.4M0.01%+114,238+56,274.9%Added
ABN AMRO Bank N.V.113,018$12.4M0.13%+862+0.8%Added
Fuller & Thaler Asset Management, Inc.112,710$12.2M0.04%+48,590+75.8%Added
Edmond de Rothschild Holding S.A.111,136$12.0M0.17%+106,800+2,463.1%Added
BCV Asset Management Inc.106,485$11.5M0.40%+436+0.4%Added
Shapiro Capital Management LLC105,152$11.4M0.71%+20,092+23.6%Added