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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 693 | $13.1B |
| Q1 2026 | 637 | $8.66B |
| Q4 2025 | 650 | $8.77B |
| Q3 2025 | 717 | $10.8B |
| Q2 2025 | 702 | $10.7B |
| Q1 2025 | 724 | $11.0B |
| Q4 2024 | 777 | $13.1B |
| Q3 2024 | 733 | $13.7B |
| Q2 2024 | 720 | $13.7B |
| Q1 2024 | 671 | $12.9B |
| Q4 2023 | 641 | $11.6B |
| Q3 2023 | 615 | $11.1B |
| Q2 2023 | 561 | $10.8B |
| Q1 2023 | 536 | $8.24B |
| Q4 2022 | 534 | $7.42B |
| Q3 2022 | 499 | $7.14B |
| Q2 2022 | 493 | $6.71B |
| Q1 2022 | 489 | $8.37B |
| Q4 2021 | 510 | $8.32B |
| Q3 2021 | 461 | $8.03B |
| Q2 2021 | 460 | $9.40B |
| Q1 2021 | 443 | $8.97B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Owens Corning; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| William Blair Investment Management, LLC | 104,472 | $11.3M | 0.04% | −63,141−37.7% | Reduced |
| Hartree Partners, LP | 98,691 | $10.7M | 2.32% | +98,691 | New |
| Wedge Capital Management L L P | 98,313 | $10.6M | 0.20% | +14,638+17.5% | Added |
| Citigroup Inc | 96,902 | $10.5M | 0.01% | −2,009−2.0% | Reduced |
| Prudential Financial Inc | 95,922 | $10.4M | 0.01% | −332,915−77.6% | Reduced |
| California State Teachers Retirement System | 95,124 | $10.3M | 0.01% | +15,824+20.0% | Added |
| Pictet Asset Management Holding SA | 92,799 | $10.0M | 0.01% | −10,256−10.0% | Reduced |
| Ieq Capital, LLC | 92,414 | $10.0M | 0.05% | +39,597+75.0% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 92,264 | $9.98M | 0.01% | +6,239+7.3% | Added |
| Stifel Financial Corp | 88,466 | $9.57M | 0.01% | +11,018+14.2% | Added |
| RWC Asset Management LLP | 87,079 | $9.42M | 0.39% | +87,079 | New |
| Credit Agricole S A | 84,905 | $9.19M | 0.03% | −13,007−13.3% | Reduced |
| Cincinnati Specialty Underwriters Insurance CO | 83,700 | $9.06M | 2.20% | +83,700 | New |
| Grantham, Mayo, Van Otterloo & Co. LLC | 83,690 | $9.06M | 0.02% | +21,427+34.4% | Added |
| Mackenzie Financial Corp | 83,245 | $9.01M | 0.01% | +76,798+1,191.2% | Added |
| Eurizon Capital SGR S.p.A. | 81,556 | $8.81M | 0.03% | −134,174−62.2% | Reduced |
| Natixis Advisors, L.P. | 80,803 | $8.74M | 0.01% | +80,803 | New |
| M&G Plc | 80,009 | $8.64M | 0.04% | +21,096+35.8% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 79,722 | $8.63M | 0.02% | −2,515−3.1% | Reduced |
| Van Eck Associates Corp | 79,017 | $8.55M | 0.01% | +1,054+1.4% | Added |
| Great West Life Assurance Co | 78,555 | $8.52M | 0.02% | −1,560−1.9% | Reduced |
| Aptus Capital Advisors, LLC | 76,521 | $8.28M | 0.07% | −9,377−10.9% | Reduced |
| New York State Common Retirement Fund | 75,884 | $8.21M | 0.01% | +39,132+106.5% | Added |
| Candriam Luxembourg S.C.A. | 75,662 | $8.19M | 0.04% | +9,417+14.2% | Added |
| Nomura Asset Management International Inc. | 74,430 | $8.05M | 0.01% | −8,468−10.2% | Reduced |
| Capital Fund Management S.A. | 72,892 | $7.89M | 0.07% | −26,241−26.5% | Reduced |
| Vanguard Asset Management, Ltd | 72,473 | $7.84M | 0.01% | +72,473 | New |
| ExodusPoint Capital Management, LP | 71,880 | $7.78M | 0.08% | −35,749−33.2% | Reduced |
| CWM, LLC | 67,919 | $7.35M | 0.02% | +21,131+45.2% | Added |
| State Board of Administration of Florida Retirement System | 66,574 | $7.20M | 0.01% | −955−1.4% | Reduced |
| Rafferty Asset Management, LLC | 65,257 | $7.06M | 0.03% | −12,160−15.7% | Reduced |
| Mariner, LLC | 65,141 | $7.05M | 0.01% | +33,949+108.8% | Added |
| Walleye Capital LLC | 64,752 | $7.01M | 0.04% | +64,752 | New |
| Guinness Asset Management LTD | 63,612 | $6.88M | 0.12% | +573+0.9% | Added |
| Moran Wealth Management, LLC | 63,525 | $6.87M | 0.21% | +3,597+6.0% | Added |
| Manufacturers Life Insurance Company, The | 62,093 | $6.72M | 0.01% | +3,093+5.2% | Added |
| Rathbone Brothers plc | 61,138 | $6.62M | 0.03% | +320+0.5% | Added |
| Tiptree Advisors, LLC | 60,000 | $6.49M | 3.77% | 00.0% | Unchanged |
| Commerce Bank | 58,454 | $6.33M | 0.03% | +55,351+1,783.8% | Added |
| New Age Alpha Advisors, LLC | 56,400 | $6.10M | 0.29% | −2,230−3.8% | Reduced |
| Janus Henderson Group PLC | 56,351 | $6.10M | 0.00% | +19,251+51.9% | Added |
| Advisors Capital Management, LLC | 55,120 | $5.97M | 0.07% | +503+0.9% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 53,152 | $5.75M | 0.01% | −13,220−19.9% | Reduced |
| South Dakota Investment Council | 48,865 | $5.29M | 0.10% | +637+1.3% | Added |
| Vanguard Global Advisers, LLC | 47,675 | $5.16M | 0.00% | +47,675 | New |
| Fifth Third Bancorp | 47,094 | $5.10M | 0.01% | +46,368+6,386.8% | Added |
| Empowered Funds, LLC | 44,954 | $4.86M | 0.03% | +44,954 | New |
| Brevan Howard Capital Management LP | 44,532 | $4.82M | 0.05% | +19,640+78.9% | Added |
| Cinctive Capital Management LP | 44,205 | $4.78M | 0.31% | +27,406+163.1% | Added |
| Mercer Global Advisors Inc | 43,845 | $4.74M | 0.01% | +14,360+48.7% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 43,136 | $4.69M | 0.01% | −9,724−18.4% | Reduced |
| New York State Teachers Retirement System | 42,926 | $4.64M | 0.01% | −2,662−5.8% | Reduced |
| Creative Planning | 41,861 | $4.53M | 0.00% | +13,080+45.4% | Added |
| MetLife Investment Management | 40,422 | $4.37M | 0.02% | +247+0.6% | Added |
| Worldquant Millennium Advisors LLC | 39,878 | $4.32M | 0.02% | −48,333−54.8% | Reduced |
| Kestra Private Wealth Services, LLC | 39,204 | $4.24M | 0.05% | +705+1.8% | Added |
| State of Alaska, Department of Revenue | 38,880 | $4.21M | 0.05% | +130+0.3% | Added |
| Cambridge Investment Research Advisors, Inc. | 38,285 | $4.14M | 0.01% | +6,794+21.6% | Added |
| Cerity Partners LLC | 37,199 | $4.03M | 0.01% | +19,038+104.8% | Added |
| Amalgamated Bank | 36,991 | $4.00M | 0.03% | −50−0.1% | Reduced |
| Atom Investors LP | 36,933 | $4.00M | 0.29% | +23,026+165.6% | Added |
| Level Four Advisory Services, LLC | 36,151 | $3.91M | 0.13% | +15,658+76.4% | Added |
| LPL Financial LLC | 35,993 | $3.90M | 0.00% | +7,699+27.2% | Added |
| Treasurer of the State of North Carolina | 34,916 | $3.78M | 0.01% | +149+0.4% | Added |
| Police & Firemen's Retirement System of New Jersey | 34,795 | $3.77M | 0.03% | −394−1.1% | Reduced |
| Occudo Quantitative Strategies LP | 30,208 | $3.73M | 0.20% | +12,203+67.8% | Added |
| WealthBridge Investment Counsel Inc. | 33,720 | $3.65M | 1.11% | −725−2.1% | Reduced |
| Sycomore Asset Management | 20,947 | $3.65M | 0.52% | 00.0% | Unchanged |
| O'Shaughnessy Asset Management, LLC | 32,340 | $3.50M | 0.02% | +1,437+4.7% | Added |
| Storebrand Asset Management AS | 32,208 | $3.49M | 0.01% | −9,244−22.3% | Reduced |
| Bank of Montreal | 31,912 | $3.45M | 0.00% | +20,079+169.7% | Added |
| Foster & Motley Inc | 31,824 | $3.44M | 0.18% | −739−2.3% | Reduced |
| National Bank of Canada | 31,828 | $3.44M | 0.00% | −15,447−32.7% | Reduced |
| Mutual of America Capital Management LLC | 31,497 | $3.41M | 0.04% | −2,710−7.9% | Reduced |
| Squarepoint Ops LLC | 31,285 | $3.39M | 0.01% | −196,847−86.3% | Reduced |
| HSBC Holdings PLC | 28,728 | $3.08M | 0.00% | +4,957+20.9% | Added |
| Manning & Napier Advisors LLC | 28,334 | $3.07M | 0.04% | +3,753+15.3% | Added |
| State of Tennessee, Treasury Department | 28,303 | $3.06M | 0.01% | 00.0% | Unchanged |
| CI Private Wealth, LLC | 28,316 | $3.05M | 0.00% | −816−2.8% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 39,645 | $3.02M | 0.01% | +15,009+60.9% | Added |
| Mirova | 27,888 | $3.02M | 0.12% | +27,888 | New |
| State of New Jersey Common Pension Fund D | 27,703 | $3.00M | 0.01% | 00.0% | Unchanged |
| Y-Intercept (Hong Kong) Ltd | 27,481 | $2.97M | 0.06% | −29,519−51.8% | Reduced |
| Allianz Asset Management GmbH | 27,295 | $2.95M | 0.00% | −135,854−83.3% | Reduced |
| Hancock Whitney Corp | 23,893 | $2.95M | 0.05% | +4,689+24.4% | Added |
| XTX Topco Ltd | 26,920 | $2.91M | 0.05% | +26,920 | New |
| Public Employees Retirement System of Ohio | 26,750 | $2.89M | 0.01% | −38,524−59.0% | Reduced |
| Covea Finance | 26,339 | $2.85M | 0.10% | +26,339 | New |
| Yousif Capital Management, LLC | 26,264 | $2.84M | 0.03% | −1,124−4.1% | Reduced |
| Thrivent Financial for Lutherans | 25,414 | $2.75M | 0.01% | +100.0% | Added |
| Ashton Thomas Private Wealth, LLC | 24,984 | $2.70M | 0.06% | −1,716−6.4% | Reduced |
| State of Wisconsin Investment Board | 24,972 | $2.70M | 0.01% | −51,670−67.4% | Reduced |
| Promethos Capital, LLC | 24,743 | $2.68M | 0.72% | −1,410−5.4% | Reduced |
| Lee Danner & Bass Inc | 24,625 | $2.66M | 0.17% | +13,277+117.0% | Added |
| Richard Bernstein Advisors LLC | 24,121 | $2.61M | 0.08% | +24,121 | New |
| Louisiana State Employees Retirement System | 23,800 | $2.58M | 0.05% | +1,100+4.8% | Added |
| CIBC World Markets Inc. | 23,725 | $2.57M | 0.00% | +8,471+55.5% | Added |
| Susquehanna International Group, LLP | 23,592 | $2.55M | 0.00% | −109,486−82.3% | Reduced |
| Cetera Investment Advisers | 23,589 | $2.55M | 0.00% | +5,788+32.5% | Added |
| PEAK6 LLC | 22,789 | $2.47M | 0.07% | −19,806−46.5% | Reduced |