Owens Corning Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

BIT:1OWC Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
12 Aug 25	Sell€56,286	Mari Doerfler	Individual	441	€127.63
16 May 25	Sell€177,059	Rachel Marcon	Individual	1,357	€130.48
07 Mar 25	Sell€36,154	W. Morris	Individual	272	€132.92
21 Feb 25	Sell€334,514	Christopher Ball	Individual	2,113	€158.31
14 Feb 25	Sell€310,694	Jose Mendez-Andino	Individual	1,821	€170.62
11 Feb 25	Sell€1,716,910	Todd Fister	Individual	9,869	€173.97
10 Feb 25	Sell€556,147	Gina Beredo	Individual	3,125	€177.97
06 Feb 25	Sell€38,654	Jose Mendez-Andino	Individual	218	€177.31
06 Feb 25	Sell€310,293	Nicolas Del Monaco	Individual	1,750	€177.31
04 Feb 25	Sell€98,168	Jose Mendez-Andino	Individual	564	€174.45
13 Dec 24	Sell€3,178,460	Gunner Smith	Individual	17,450	€182.15

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of 1OWC?
Owner Type	Number of Shares	Ownership Percentage
State or Government	73,216	0.088%
Individual Insiders	578,375	0.695%
Institutions	82,556,824	99.2%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 59.44% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
13%	BlackRock, Inc.	10,715,578	€1.0b	0.11%	0.02%
11.8%	The Vanguard Group, Inc.	9,681,633	€930.8m	-2.67%	0.01%
4.42%	State Street Global Advisors, Inc.	3,634,987	€349.5m	2.28%	0.01%
2.87%	T. Rowe Price Group, Inc.	2,362,358	€227.1m	-1.05%	0.02%
2.35%	Dimensional Fund Advisors LP	1,930,632	€185.6m	6.07%	0.03%
2.17%	UBS Asset Management AG	1,783,493	€171.5m	60.8%	0.02%
2.16%	Davis Selected Advisers LP	1,777,367	€170.9m	0.47%	0.86%
2.14%	Geode Capital Management, LLC	1,759,879	€169.2m	3.5%	0.01%
1.95%	Eurizon Capital SGR SpA	1,606,400	€154.4m	0%	0.33%
1.76%	LSV Asset Management	1,449,562	€139.4m	0.3%	0.32%
1.47%	AQR Capital Management, LLC	1,208,311	€116.2m	29.6%	0.09%
1.45%	Norges Bank Investment Management	1,190,510	€114.5m	0%	0.01%
1.42%	First Trust Advisors LP	1,169,485	€112.4m	27%	0.08%
1.23%	Deutsche Asset & Wealth Management	1,013,153	€97.4m	15.2%	0.03%
1.15%	Qube Research & Technologies Ltd	942,326	€90.6m	-14.6%	0.16%
1.06%	Northern Trust Global Investments	874,614	€84.1m	-2.04%	0.01%
0.97%	JP Morgan Asset Management	797,336	€76.7m	140%	0.01%
0.92%	BNY Asset Management	752,369	€72.3m	-3.11%	0.01%
0.89%	Nordea Investment Management, AB	735,438	€70.7m	-67%	0.04%
0.78%	Victory Capital Management Inc.	639,617	€61.5m	38.1%	0.04%
0.75%	Charles Schwab Investment Management, Inc.	617,674	€59.4m	0.48%	0.01%
0.73%	Amundi Asset Management SAS	596,329	€57.3m	-45.1%	0.01%
0.67%	ID-Sparinvest, Filial af Sparinvest S.A., Luxembourg	551,671	€53.0m	0%	0.43%
0.65%	Clean Energy Transition LLP	531,618	€51.1m	0%	5.08%
0.64%	Schroder Investment Management Limited	529,833	€50.9m	8.57%	0.03%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/11/28 12:17
End of Day Share Price	2025/11/28 00:00
Earnings	2025/09/30
Annual Earnings	2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Owens Corning is covered by 32 analysts. 17 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
John Eade	Argus Research Company
Stephen Kim	Barclays
Matthew Bouley	Barclays