Mustard Seed Investor logo: a sprouting mustard seedMustard Seed Investor
← All stocks
OCMaterialsCommon Stock

Owens Corning

Held by 11 tracked managers as of Q2 2026 · CUSIP ⓘCUSIP: A 9-character ID for one specific security - one share class of one company, or one bond. Tickers can change and can mean different things in different countries; a CUSIP always identifies exactly the same security, which is why filings use it. Guide 690742101 · Sector ⓘGICS sectors: The 11-sector system most investors know (Global Industry Classification Standard): Technology, Health Care, Financials and so on. This site assigns each company a GICS-style sector from its SIC code, with a few hand corrections, so sector pages match the names investors expect. Guide

Download report
In plain English: 11 of the investors we track own this stock. In the latest quarter, 5 of them bought more of it and 6 sold some or all of theirs (1 bought it for the first time). That tells you what they did last quarter — not what the stock will do next.

Educational and informational only, not personalized investment advice. Based on public filings that may be delayed or contain errors; verify with the original filings. Disclaimer

Managers holding
11
0 vs last quarter (like-for-like)
Total value held
$1.38B
Across tracked managers
Average weight ⓘOn average, how big this stock is in the portfolios that own it (its share of each manager's reported portfolio value).
0.5%
Of each manager's book
QoQ value ⓘLike-for-like: only managers that filed both quarters are compared, so a manager filing late (or confidentially) does not look like buying or selling. Includes price changes.
+$346.87M
+40.5% vs last quarter
Net shares bought
-346.3K
Est. net flow -$29.72M
Quarter activity
5 bought · 6 sold
1 new · 1 sold out

Tracked capital in this stock

Total value held (area) and number of managers (line). Dips can mean a large holder filed that quarter confidentially (e.g. Norges Bank in Q1/Q3).

Chart: Tracked capital in this stock

Aggregate buying and selling

Net share change reported each quarter

Chart: Aggregate buying and selling

Who owns OC?

🔒 The 'who added and who trimmed' chart is a Plus feature

You're viewing the Free plan. Upgrade to unlock The 'who added and who trimmed' chart — every paid plan starts with a 7-day free trial, and you can cancel in two clicks.

See plans & upgrade Sign in

Who owns OC? — Q2 2026

Holders ranked by position size, with each one's quarter-over-quarter change.

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

# Manager Fund Shares Value ↓ % of their portfolio QoQ Δ shares Δ shares % Est. Δ value ⓘChange in shares × this quarter's price
1 Chris Davis Davis Selected Advisers 2.08M $330.71M 1.4% Reduced -19.7K -0.9% -$3.13M
2 LSV Asset Management LSV Asset Management 1.52M $242.01M 0.4% Added +62.7K +4.3% +$9.96M
3 Steve Cohen Point72 Asset Management 1.22M $193.49M 0.3% Added +882.0K +263.2% +$140.21M
4 Norges Bank Norges Bank Investment Management 1.10M $175.47M 0.0% — — — —
5 Bill Nygren Harris Associates (Oakmark Funds) 1.10M $174.14M 0.2% Added +180.1K +19.7% +$28.63M
6 Sound Shore Management Sound Shore Management Inc 584.63K $92.93M 2.9% Reduced -7.7K -1.3% -$1.22M
7 Two Sigma Two Sigma Investments 529.66K $84.19M 0.1% Reduced -442.9K -45.5% -$70.40M
8 Israel Englander Millennium Management 432.38K $68.73M 0.0% Reduced -528.0K -55.0% -$83.93M
9 Jeremy Grantham GMO 81.79K $13.00M 0.0% Reduced -1.9K -2.3% -$302.02K
10 Ken Griffin Citadel Advisors 30.95K $4.92M 0.0% Added +26.9K +668.3% +$4.28M
11 Boston Partners Boston Partners Global Investors 1.28K $204.20K 0.0% New +1.3K — +$204.20K

Sold out completely this quarter

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

Manager Fund Shares sold Value last quarter ↓
David Shaw D.E. Shaw & Co. -499.2K $54.02M

Politician trades

Politician trades in OC

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

No politician trades match these filters.