Owens Corning (OC) shareholders
OCNYSEAbrasive, Asbestos & Misc Nonmetallic Mineral ProdsFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 4, 2026Score 6/3039% above fair value
$115.94−1.59 (-1.35%)
Close on Nov 13, 2026Market cap $9.16BP/E –Yield 2.47%
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
100.0%
84M of 79M shares
Institutional holders
687
140 new, 73 sold out
Net institutional buying
4M
In Q2 2026
Insider trades, 12 months
0 buys · 3 sales
Net sold $447.05K
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| BlackRock, Inc. | 8,069,391 | 10.00% | 13G (passive) amendment | May 31, 2026 |
| Vanguard Portfolio Management | 5,532,481 | 6.88% | 13G (passive) | Mar 31, 2026 |
| Vanguard Capital Management | 4,243,450 | 5.27% | 13G (passive) | Mar 31, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of OC | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| BlackRock, Inc. | 8,814,550 | 11.15% | $1.40B | −396,314 | 0.02% |
| Vanguard Portfolio Management LLC | 5,468,670 | 6.92% | $869.30M | −39,451 | 0.04% |
| Aqr Capital Management LLC | 3,679,060 | 4.65% | $577.89M | +1,139,037 | 0.20% |
| Vanguard Capital Management LLC | 3,630,191 | 4.59% | $577.06M | +12,163 | 0.01% |
| State Street Corp | 3,097,509 | 3.92% | $492.38M | +33,205 | 0.01% |
| Dimensional Fund Advisors LP | 2,951,985 | 3.73% | $469.23M | +187,369 | 0.09% |
| First Trust Advisors LP | 2,899,702 | 3.67% | $460.94M | +720,488 | 0.27% |
| American Century Companies Inc | 2,255,518 | 2.85% | $358.54M | +213,016 | 0.16% |
| UBS Asset Management Americas Inc | 2,218,358 | 2.81% | $352.63M | −977 | 0.06% |
| Davis Selected Advisers | 2,081,213 | 2.63% | $330.71M | −19,722 | 1.42% |
| Geode Capital Management, LLC | 1,925,106 | 2.44% | $324.75M | +37,036 | 0.02% |
| Price T Rowe Associates Inc /Md/ | 1,689,068 | 2.14% | $268.50M | +165,239 | 0.03% |
| Lsv Asset Management | 1,522,480 | 1.93% | $242.01M | +62,659 | 0.44% |
| Nykredit A/S | 1,439,490 | 1.82% | $228.82M | New | 0.72% |
| Nordea Investment Management Ab | 1,255,057 | 1.59% | $198.66M | +128,197 | 0.16% |
| Point72 Asset Management, L.P. | 1,217,226 | 1.54% | $193.49M | +882,041 | 0.21% |
| Norges Bank | 1,103,877 | 1.40% | $175.47M | New | 0.02% |
| Harris Associates L P | 1,095,517 | 1.39% | $174.14M | +180,124 | 0.23% |
| JPMorgan Chase & Co | 1,066,825 | 1.35% | $167.04M | −173,379 | 0.01% |
| Gendell Jeffrey L | 1,007,315 | 1.27% | $160.12M | +66,793 | 1.41% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 687 | 84M | 100.0% | 140 / 229 | 221 / 73 | 10M | 7M |
| Q1 2026 | 635 | 80M | 100.0% | 103 / 254 | 184 / 107 | 24M | 12M |
| Q4 2025 | 649 | 78M | 98.9% | 112 / 197 | 266 / 160 | 16M | 14M |
| Q3 2025 | 716 | 77M | 97.6% | 100 / 260 | 245 / 75 | 10M | 11M |
| Q2 2025 | 701 | 78M | 98.3% | 88 / 248 | 277 / 99 | 7M | 7M |
| Q1 2025 | 722 | 77M | 97.6% | 97 / 254 | 271 / 137 | 10M | 8M |
| Q4 2024 | 774 | 77M | 97.3% | 122 / 256 | 286 / 66 | 9M | 11M |
| Q3 2024 | 731 | 79M | 99.4% | 93 / 250 | 273 / 74 | 17M | 8M |
| Q2 2024 | 718 | 79M | 100.0% | 109 / 238 | 278 / 55 | 8M | 8M |
| Q1 2024 | 670 | 79M | 100.0% | 96 / 230 | 253 / 57 | 7M | 6M |
| Q4 2023 | 639 | 79M | 100.0% | 111 / 186 | 275 / 77 | 7M | 8M |
| Q3 2023 | 612 | 81M | 100.0% | 108 / 186 | 244 / 49 | 6M | 8M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
484 funds held OC in Q2 2026, 47% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.
| Fund | Shares | % of OC | Value | % of fund | As of |
|---|---|---|---|---|---|
| First Trust RBA American Industrial Renaissance ETF | 2,813,985 | 3.56% | $447.31M | 3.89% | Jun 30, 2026 |
| iShares Core S&P Mid-Cap ETF | 2,755,850 | 3.49% | $438.07M | 0.35% | Jun 30, 2026 |
| Vanguard Total Stock Market Index Fund | 2,555,589 | 3.23% | $406.24M | 0.02% | Jun 30, 2026 |
| Vanguard Small-Cap Index Fund | 1,845,603 | 2.33% | $293.38M | 0.16% | Jun 30, 2026 |
| Vanguard Small-Cap Value Index Fund | 1,169,896 | 1.48% | $185.97M | 0.27% | Jun 30, 2026 |
| Vanguard Equity Income Fund | 1,128,227 | 1.43% | $179.34M | 0.27% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 923,472 | 1.17% | $146.80M | 0.15% | Jun 30, 2026 |
| T. Rowe Price Mid-Cap Value Fund, Inc. | 757,579 | 0.96% | $120.42M | 0.73% | Jun 30, 2026 |
| Davis New York Venture Fund | 550,921 | 0.70% | $76.52M | 1.00% | Jul 31, 2026 |
| U.S. Targeted Value Portfolio | 535,808 | 0.68% | $74.42M | 0.44% | Jul 31, 2026 |
| Allspring Special Mid Cap Value Fund | 529,900 | 0.67% | $84.23M | 0.63% | Jun 30, 2026 |
| JPMorgan Mid Cap Value Fund | 503,212 | 0.64% | $79.99M | 0.72% | Jun 30, 2026 |
| Vanguard Dividend Appreciation Index Fund | 455,622 | 0.58% | $63.29M | 0.05% | Jul 31, 2026 |
| Equity Income Fund | 455,422 | 0.58% | $72.39M | 1.12% | Jun 30, 2026 |
| Dimensional U.S. Targeted Value ETF | 449,757 | 0.57% | $62.47M | 0.43% | Jul 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Brian Chambers | Chair, President and CEO, Director | 420,322 | 0.53% | Feb 27, 2026 |
| Jose Mendez-Andino | EVP, Chief Innovation Officer | 24,602 | 0.03% | Nov 9, 2026 |
| Rachel Barthelemy Marcon | President, Doors | 20,591 | 0.03% | Oct 28, 2026 |
| Monaco Nicolas Del | President, Roofing | 26,330 | 0.03% | Sep 17, 2026 |
| Todd W. Fister | President and COO | 52,138 | 0.07% | Sep 17, 2026 |
| De La Nuez Jose Manuel Canovas | President, Insulation | 18,955 | 0.02% | Aug 12, 2026 |
| Jonathan Mark Collins | EVP & Chief Financial Officer | 19,504 | 0.02% | Aug 12, 2026 |
| Mari Doerfler | Vice President and Controller | 3,093 | 0.00% | May 12, 2026 |
| Ann Lizabeth Baymiller | Chief Information Officer | 9,359 | 0.01% | Feb 27, 2026 |
| Gina A. Beredo | EVP, CAO & GC | 36,351 | 0.05% | Feb 27, 2026 |
| Paula Russell | EVP, Chief HR Officer | 25,988 | 0.03% | Apr 14, 2025 |
| Christopher O. Ball | President, Doors | 25,255 | 0.03% | Feb 28, 2025 |
| Gunner Smith | President, Roofing | 30,053 | 0.04% | Feb 25, 2025 |
| Marcio A. Sandri | President, Composites | 57,470 | 0.07% | Feb 7, 2025 |
| Edward F. Lonergan | Director | 56,046 | 0.07% | Nov 9, 2026 |
| John David Williams | Director | 55,483 | 0.07% | Nov 9, 2026 |
| Eduardo E. Cordeiro | Director | 16,808 | 0.02% | Nov 9, 2026 |
| Michael J. DeVito | Director | 204 | 0.00% | Nov 9, 2026 |
| Michelle T. Collins | Director | 3,397 | 0.00% | Nov 9, 2026 |
| Paul Edward Martin | Director | 8,774 | 0.01% | Nov 9, 2026 |
| Alfred E. Festa | Director | 13,788 | 0.02% | Nov 9, 2026 |
| Suzanne P. Nimocks | Director | 37,489 | 0.05% | Nov 9, 2026 |
| Adrienne Elsner | Director | 19,629 | 0.02% | Nov 9, 2026 |
| Maryann T. Mannen | Director | 27,410 | 0.03% | Apr 13, 2026 |
| W. Howard Morris | Director | 41,915 | 0.05% | Apr 14, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Suzanne P. Nimocks Director | Nov 6, 2026 | Award | +415 | $121.31 | $50.34K | 37,489 |
| Edward F. Lonergan Director | Nov 6, 2026 | Award | +752 | $121.31 | $91.23K | 56,046 |
| Michael J. DeVito Director | Nov 6, 2026 | Award | +104 | $121.31 | $12.62K | 104 |
| John David Williams Director | Nov 6, 2026 | Award | +383 | $121.31 | $46.46K | 55,483 |
| Paul Edward Martin Director | Nov 6, 2026 | Award | +383 | $121.31 | $46.46K | 8,774 |
| Eduardo E. Cordeiro Director | Nov 6, 2026 | Award | +414 | $121.31 | $50.22K | 16,808 |
| Alfred E. Festa Director | Nov 6, 2026 | Award | +408 | $121.31 | $49.49K | 13,788 |
| Adrienne Elsner Director | Nov 6, 2026 | Award | +408 | $121.31 | $49.49K | 19,629 |
| Michelle T. Collins Director | Nov 6, 2026 | Award | +479 | $121.31 | $58.11K | 3,397 |
| Suzanne P. Nimocks Director | Nov 5, 2026 | Award | +135.785 | $124.26 | $16.87K | 37,074 |
| Edward F. Lonergan Director | Nov 5, 2026 | Award | +336.683 | $124.26 | $41.84K | 55,294 |
| John David Williams Director | Nov 5, 2026 | Award | +348.093 | $124.26 | $43.25K | 55,100 |
| Paul Edward Martin Director | Nov 5, 2026 | Award | +53.013 | $124.26 | $6.59K | 8,391 |
| Eduardo E. Cordeiro Director | Nov 5, 2026 | Award | +83.777 | $124.26 | $10.41K | 16,394 |
| Alfred E. Festa Director | Nov 5, 2026 | Award | +84.533 | $124.26 | $10.50K | 13,380 |
| Adrienne Elsner Director | Nov 5, 2026 | Award | +121.424 | $124.26 | $15.09K | 19,221 |
| Jose Mendez-Andino EVP, Chief Innovation Officer | Nov 5, 2026 | Award | +94.109 | $124.26 | $11.69K | 24,602 |
| Rachel Barthelemy Marcon President, Doors | Oct 26, 2026 | Tax withholding | −858 | $114.26 | $98.04K | 20,591 |
| Monaco Nicolas Del President, Roofing | Sep 15, 2026 | Tax withholding | −856 | $128.67 | $110.14K | 26,330 |
| Todd W. Fister President and COO | Sep 15, 2026 | Tax withholding | −1,180 | $128.67 | $151.83K | 52,138 |
| Rachel Barthelemy Marcon President, Doors | Aug 28, 2026 | Sale(10b5-1 plan) | −900 | $144.07 | $129.66K | 21,449 |
| De La Nuez Jose Manuel Canovas President, Insulation | Aug 10, 2026 | Award | +3,250 | $153.80 | $499.85K | 18,955 |
| Jonathan Mark Collins EVP & Chief Financial Officer | Aug 10, 2026 | Award | +19,504 | $153.80 | $3.00M | 19,504 |
| Rachel Barthelemy Marcon President, Doors | Aug 10, 2026 | Award | +6,501 | $153.80 | $999.85K | 22,349 |
| Monaco Nicolas Del President, Roofing | Aug 10, 2026 | Award | +6,501 | $153.80 | $999.85K | 27,186 |
| Eduardo E. Cordeiro Director | Aug 7, 2026 | Award | +319 | $157.10 | $50.11K | 16,311 |
| John David Williams Director | Aug 7, 2026 | Award | +296 | $157.10 | $46.50K | 54,752 |
| Edward F. Lonergan Director | Aug 7, 2026 | Award | +581 | $157.10 | $91.28K | 54,958 |
| Adrienne Elsner Director | Aug 7, 2026 | Award | +312 | $157.10 | $49.02K | 19,099 |
| Suzanne P. Nimocks Director | Aug 7, 2026 | Award | +321 | $157.10 | $50.43K | 36,938 |
| Paul Edward Martin Director | Aug 7, 2026 | Award | +296 | $157.10 | $46.50K | 8,338 |
| Michelle T. Collins Director | Aug 7, 2026 | Award | +370 | $157.10 | $58.13K | 2,918 |
| Alfred E. Festa Director | Aug 7, 2026 | Award | +315 | $157.10 | $49.49K | 13,296 |
| Eduardo E. Cordeiro Director | Aug 6, 2026 | Award | +67.1 | $150.60 | $10.11K | 15,992 |
| Jose Mendez-Andino EVP, Chief Innovation Officer | Aug 6, 2026 | Award | +77.24 | $150.60 | $11.63K | 24,507 |
| John David Williams Director | Aug 6, 2026 | Award | +284.17 | $150.60 | $42.80K | 54,456 |
| Edward F. Lonergan Director | Aug 6, 2026 | Award | +273.32 | $150.60 | $41.16K | 54,377 |
| Adrienne Elsner Director | Aug 6, 2026 | Award | +98.04 | $150.60 | $14.76K | 18,787 |
| Suzanne P. Nimocks Director | Aug 6, 2026 | Award | +109.78 | $150.60 | $16.53K | 36,617 |
| Paul Edward Martin Director | Aug 6, 2026 | Award | +41.97 | $150.60 | $6.32K | 8,042 |
| Alfred E. Festa Director | Aug 6, 2026 | Award | +67.74 | $150.60 | $10.20K | 12,981 |
| De La Nuez Jose Manuel Canovas President, Insulation | Jul 28, 2026 | Tax withholding | −1,070 | $143.13 | $153.15K | 15,705 |
| Rachel Barthelemy Marcon President, Doors | May 28, 2026 | Sale(10b5-1 plan) | −700 | $120.71 | $84.50K | 15,848 |
| John David Williams Director | May 8, 2026 | Award | +382 | $121.67 | $46.48K | 54,172 |
| Paul Edward Martin Director | May 8, 2026 | Award | +382 | $121.67 | $46.48K | 8,000 |
| Suzanne P. Nimocks Director | May 8, 2026 | Award | +414 | $121.67 | $50.37K | 36,507 |
| Eduardo E. Cordeiro Director | May 8, 2026 | Award | +407 | $121.67 | $49.52K | 15,925 |
| Michelle T. Collins Director | May 8, 2026 | Award | +478 | $121.67 | $58.16K | 2,548 |
| Alfred E. Festa Director | May 8, 2026 | Award | +407 | $121.67 | $49.52K | 12,913 |
| Adrienne Elsner Director | May 8, 2026 | Award | +382 | $121.67 | $46.48K | 18,689 |
| Mari Doerfler Vice President and Controller | May 8, 2026 | Sale | −1,926 | $120.92 | $232.89K | 3,093 |
| Edward F. Lonergan Director | May 8, 2026 | Award | +750 | $121.67 | $91.25K | 54,103 |
| Todd W. Fister EVP, CFO and COO | May 1, 2026 | Award | +8,147 | $122.73 | $999.88K | 53,099 |
| Paul Edward Martin Director | Apr 9, 2026 | Award | +52 | $114.95 | $5.98K | 7,618 |
| Suzanne P. Nimocks Director | Apr 9, 2026 | Award | +140.02 | $114.95 | $16.10K | 36,093 |
| Maryann T. Mannen Director | Apr 9, 2026 | Award | +163.01 | $114.95 | $18.74K | 27,410 |
| John David Williams Director | Apr 9, 2026 | Award | +367.15 | $114.95 | $42.20K | 53,790 |
| Alfred E. Festa Director | Apr 9, 2026 | Award | +85.36 | $114.95 | $9.81K | 12,506 |
| Eduardo E. Cordeiro Director | Apr 9, 2026 | Award | +84.53 | $114.95 | $9.72K | 15,518 |
| Edward F. Lonergan Director | Apr 9, 2026 | Award | +350.52 | $114.95 | $40.29K | 53,353 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Short % of float
3.40%
3M shares short
Days to cover
3.0
At 1M shares a day
Change since last report
-8.1%
From 3M shares
Short volume, 20 days
63.0%
Of volume reported to FINRA
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Owens Corning's stock actually held short. Settlement fails (shares not delivered on time) peaked at 3,049 shares on Oct 5, 2026 over the last 90 days.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Rachel Barthelemy Marcon Officer | Aug 28, 2026 | 900 | $0 | Aug 28, 2026 | Restricted Stock Vesting |
| Rachel Barthelemy Marcon Officer | Aug 28, 2026 | 900 | $129.66K | Aug 28, 2026 | Restricted Stock Vesting |
| Rachel Barthelemy Marcon Officer | May 28, 2026 | 700 | $84.50K | May 28, 2026 | Restricted Stock Vesting |
| Mari Doerfler Officer | May 8, 2026 | 1,926 | $232.88K | May 8, 2026 | Restricted Stock Vesting |
| Mari Doerfler Officer | Aug 12, 2025 | 441 | $65.71K | Aug 12, 2025 | Restricted Stock Vesting |
| Rachel Barthelemy Marcon Officer | May 16, 2025 | 1,357 | $197.32K | May 16, 2025 | Restricted Stock Vesting |
| W. Howard Morris Director | Mar 7, 2025 | 272 | $39.25K | Mar 7, 2025 | Restricted Stock Vesting |
| Marcio A. Sandri Officer | Feb 21, 2025 | 5,563 | $965.90K | Feb 21, 2025 | Restricted Stock Vesting |
| Jose Mendez-Andino Officer | Feb 14, 2025 | 1,821 | $326.36K | Feb 14, 2025 | Restricted Stock Vesting |
| Todd W. Fister Officer | Feb 11, 2025 | 9,869 | $1.78M | Feb 11, 2025 | Restricted Stock Vesting |
| Gina A. Beredo Officer | Feb 10, 2025 | 3,125 | $573.41K | Feb 10, 2025 | Restricted Stock Vesting |
| Monaco Nicolas Del Officer | Feb 6, 2025 | 1,750 | $321.95K | Feb 6, 2025 | Restricted Stock Vesting |
| Jose Mendez-Andino Officer | Feb 6, 2025 | 218 | $40.11K | Feb 6, 2025 | Restricted Stock Vesting |
| Jose Mendez-Andino Officer | Feb 4, 2025 | 246 | $44.53K | Feb 4, 2025 | Restricted Stock Vesting |
| Jose Mendez-Andino Officer | Feb 3, 2025 | 318 | $57.33K | Feb 3, 2025 | Restricted Stock Vesting |
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