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HomeStocksOCInstitutional Holders

OC logoOwens Corning (OC) Institutional Ownership

Q2 2026 13F Data|Updated 2026-11-07

✨

Institutional ownership increased this quarter (+5.13 pp), with a relatively well-distributed shareholder base.

Institutional Ownership
Can exceed 100% due to securities lending, short interest, and reporting timing differences.
103.7%$12.5B total value · ▲ +5.13 pp vs prior quarter
Smart Money Score
Based on ownership concentration, fund quality, buying/selling activity, ownership indicators, and institutional trend.
67 / 100Bullish
Institutions & Flow695 holders+55 net flow (+125 / -70)

AI Insights & Key Takeaways

  • Positive Institutional Flow (+55)
  • Point72 Asset Management, L.p. maintains a significant position
  • Top 10 holders control 47.0% of institutional value
  • No Insider Signal

Top Institutional Holders of OC

Ranked by reported Q2 2026 13F market value

Top 10 Holders
47.0%
Top 25 Holders
66.7%

Share of total reported institutional value in OC held by the largest 10 / 25 filers.

#InstitutionShares HeldMarket ValueQoQ ChangeOwnership %% of Fund
1BlackRock, Inc.8.8M$1.40B-4.3%10.946%0.02%
2VANGUARD PORTFOLIO MANAGEMENT LLC5.5M$869.3M-0.7%6.791%0.04%
3AQR CAPITAL MANAGEMENT LLC3.7M$577.9M+44.8%4.569%

Quarterly Institutional Activity

Filings activity in OC during Q2 2026, grouped by how each filer changed its position.

OverviewNew Buyers125Added To480Trimmed62Exited70
  • TWO SIGMA INVESTMENTS, LP$84.2M
  • DEUTSCHE BANK AG\$82.5M
  • MILLENNIUM MANAGEMENT LLC

OC Institutional Ownership by Quarter

8 quarters of 13F filings · Δ columns show change vs prior quarter

QuarterInst. HoldersΔ HoldersOwnership %Δ OwnershipTotal 13F ValueΔ Value
Q2 2026695+10%103.73%+5.13 pp$12.52B+52%
Q1 20266301.4%98.60%+2.39 pp$8.22B+1.2%
Q4 20256399.0%96.21%+5.26 pp$8.12B19%
Q3 2025702+1.7%90.95%0.16 pp$10.04B+2.4%
Q2 20256902.8%91.11%+4.02 pp$9.81B+1.4%
Q1 2025710

OC — Frequently Asked Questions

Quick answers to the most common questions about buying OC stock.

What percentage of OC is owned by institutions?

Based on Q2 2026 13F filings, institutional ownership of Owens Corning stands at 103.7%, held across 695 reporting institutions.

Who is the largest institutional holder of OC?

BlackRock, Inc. is the largest reported institutional holder of OC, with approximately 8,814,550 shares worth $1.40B as of Q2 2026.

Is OC a hedge fund favorite?

Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of OC, including Point72 Asset Management, L.P..

What is OC's Smart Money Score?

Our composite Smart Money Score for OC is 67 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.

How many institutions bought OC this quarter?

125 institutions opened new positions in OC during Q2 2026, while 70 fully exited. 480 added to existing positions and 62 trimmed.

0.20%
4VANGUARD CAPITAL MANAGEMENT LLC3.6M$577.1M+0.3%4.508%0.01%
5STATE STREET CORP3.1M$492.4M+1.1%3.846%0.01%
6DIMENSIONAL FUND ADVISORS LP3.0M$469.2M+6.8%3.666%0.09%
7FIRST TRUST ADVISORS LP2.9M$460.9M+33.1%3.601%0.27%
8AMERICAN CENTURY COMPANIES INC2.3M$358.5M+10.4%2.801%0.16%
9UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME2.2M$352.6M-0.0%2.755%0.06%
10DAVIS SELECTED ADVISERS2.1M$330.7M-0.9%2.584%1.42%
11GEODE CAPITAL MANAGEMENT, LLC1.9M$324.8M+2.0%2.391%0.02%
12NORDEA INVESTMENT MANAGEMENT AB1.3M$198.7M+11.4%1.558%0.16%
13Point72 Asset Management, L.P.1.2M$195.1M+236.4%1.524%0.22%
14NORGES BANK1.1M$175.5M—1.371%0.02%
15HARRIS ASSOCIATES L P1.1M$174.1M+19.7%1.360%0.23%
16JPMORGAN CHASE & CO1.1M$167.0M-14.0%1.325%0.01%
17Nykredit A/S1.0M$166.1M—1.297%0.29%
18GENDELL JEFFREY L1.0M$160.1M+7.1%1.251%1.41%
19ARROWSTREET CAPITAL, LIMITED PARTNERSHIP958K$152.3M-25.1%1.190%0.07%
20Allspring Global Investments Holdings, LLC1.0M$150.8M-14.4%1.244%0.23%
21BANK OF AMERICA CORP /DE/841K$133.7M+13.0%1.044%0.01%
22GOLDMAN SACHS GROUP INC778K$123.6M+6.2%0.966%0.01%
23MORGAN STANLEY723K$115.0M-12.4%0.898%0.01%
24NORTHERN TRUST CORP715K$113.7M-0.4%0.889%0.01%
25CHARLES SCHWAB INVESTMENT MANAGEMENT INC715K$113.6M+2.0%0.888%0.02%

denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in OC — a direct measure of their conviction.

$68.7M
  • WELLS FARGO & COMPANY/MN$27.4M
  • CITADEL ADVISORS LLC$19.3M
  • Man Group plc$12.5M
  • MACKENZIE FINANCIAL CORP$7.5M
  • NEW YORK STATE COMMON RETIREMENT FUND$6.0M
  • SummitTX Capital, L.P.$5.9M
  • New Age Alpha Advisors, LLC$5.4M
  • Eurizon Capital SGR S.p.A.$5.1M
  • Squarepoint Ops LLC$4.5M
  • 6.1%
    87.09%
    +1.08 pp
    $9.67B
    18%
    Q4 2024756+6.5%86.01%0.39 pp$11.76B7.7%
    Q3 2024710—86.40%—$12.73B—

    Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.

    How is institutional ownership of OC changing?

    OC institutional ownership rose by 5.13 percentage points quarter-over-quarter, with a net change of +65 holders.

    How concentrated is OC ownership among the top holders?

    The top 10 institutions account for 47.0% of all reported 13F value in OC, and the top 25 account for 66.7%.

    Where does this OC institutional ownership data come from?

    All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.

    OCOwens Corning
    $121.31$9.8B
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