Owens Corning
US ˙ NYSE ˙ US6907421019

SecurityOC / Owens Corning
InstitutionNeuberger Berman Group LLC
Latest Disclosed Ownership13,740 shares
Latest Disclosed Value $ 1,486,954
Neuberger Berman Group LLC reports 6.66% decrease in ownership of OC / Owens Corning

On May 14, 2026 - Neuberger Berman Group LLC filed a 13F-HR form disclosing ownership of 13,740 shares of Owens Corning (US:OC) valued at $1,486,943 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 14,721 shares of Owens Corning. This represents a change in shares of -6.66% during the quarter. The current value of the position is $1,637,808 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-14 2026-03-31 13F OWENS CORNING Common 690742101 13,740 -981 -6.66 1,487 -9.78 0.0006
2026-02-13 2025-12-31 13F OWENS CORNING Common 690742101 14,721 -3,521 -19.30 1,647 -36.16 0.0012
2025-11-12 2025-09-30 13F OWENS CORNING Common 690742101 18,242 -11,448 -38.56 2,580 -36.80 0.0019
2025-08-25 2025-06-30 13F/A-1 OWENS CORNING Common 690742101 29,690 -4,503 -13.17 4,083 -16.40 0.0031
2025-08-13 2025-06-30 13F OWENS CORNING Common 690742101 29,690 -4,503 4,083 0.0016
2025-05-13 2025-03-31 13F OWENS CORNING Common 690742101 34,193 3,691 12.10 4,883 -6.01 0.0041
2025-02-13 2024-12-31 13F OWENS CORNING Common 690742101 30,502 -1,731 -5.37 5,195 -8.68 0.0041
2024-11-14 2024-09-30 13F OWENS CORNING Common 690742101 32,233 -5,475 -14.52 5,690 -13.15 0.0044
2024-11-14 2024-06-30 13F/A-1 OWENS CORNING Common 690742101 37,708 1,419 3.91 6,551 8.21 0.0054
2024-08-13 2024-06-30 13F OWENS CORNING Common 690742101 37,708 1,419 6,551 0.0054
2024-11-14 2024-03-31 13F/A-1 OWENS CORNING Common 690742101 36,289 2,167 6.35 6,053 19.70 0.0050
2024-05-13 2024-03-31 13F OWENS CORNING Common 690742101 36,289 2,167 6,053 0.0050
2024-11-14 2023-12-31 13F/A-2 OWENS CORNING Common 690742101 34,122 -29 -0.08 5,058 8.57 0.0044
2024-02-09 2023-12-31 13F OWENS CORNING Common 690742101 34,122 -29 5,058 0.0044
2023-11-14 2023-09-30 13F OWENS CORNING Common 690742101 34,151 7,610 28.67 4,659 34.51 0.0042
2023-08-11 2023-06-30 13F OWENS CORNING Common 690742101 26,541 -2,253 -7.82 3,464 25.56 0.0031
2023-05-12 2023-03-31 13F OWENS CORNING Common 690742101 28,794 1,956 7.29 2,758 21.23 0.0026
2023-02-13 2022-12-31 13F OWENS CORNING Common 690742101 26,838 581 2.21 2,276 9.59 0.0022
2022-11-15 2022-09-30 13F OWENS CORNING Common 690742101 26,257 -1,236 -4.50 2,076 1.62 0.0022
2022-08-15 2022-06-30 13F OWENS CORNING Common 690742101 27,493 11,260 69.36 2,043 37.58 0.0021
2022-05-23 2022-03-31 13F/A-1 OWENS CORNING Common 690742101 16,233 -18,521 -53.29 1,485 -52.39 0.0013
2022-05-13 2022-03-31 13F OWENS CORNING Common 690742101 16,233 -18,521 1,457 0.0006
2022-02-11 2021-12-31 13F OWENS CORNING Common 690742101 34,754 10,843 45.35 3,119 53.19 0.0024
2021-11-12 2021-09-30 13F OWENS CORNING Common 690742101 23,911 -12,269 -33.91 2,036 -41.22 0.0018
2021-08-13 2021-06-30 13F OWENS CORNING Common 690742101 36,180 8,944 32.84 3,464 38.50 0.0030
2021-05-13 2021-03-31 13F OWENS CORNING Common 690742101 27,236 4,037 17.40 2,501 42.83 0.0024
2021-02-10 2020-12-31 13F OWENS CORNING Common 690742101 23,199 628 2.78 1,751 12.89 0.0018
2020-11-12 2020-09-30 13F OWENS CORNING Common 690742101 22,571 -551 -2.38 1,551 20.51 0.0018
2020-08-13 2020-06-30 13F OWENS CORNING Common 690742101 23,122 -96 -0.41 1,287 42.84 0.0016
2020-05-14 2020-03-31 13F OWENS CORNING Common 690742101 23,218 23,218 901 0.0014
2019-11-13 2019-09-30 13F OWENS CORNING Common 690742101 0 -3,610 -100.00 0 -100.00
2019-08-13 2019-06-30 13F OWENS CORNING Common 690742101 3,610 3,610 210 0.0003
2019-05-13 2019-03-31 13F OWENS CORNING Common 690742101 0 -4,876 -100.00 0 -100.00
2019-02-12 2018-12-31 13F OWENS CORNING Common 690742101 4,876 0 0.00 214 -19.25 0.0003
2018-11-16 2018-09-30 13F/A-1 OWENS CORNING Common 690742101 4,876 -1,137 -18.91 265 -30.45 0.0003
2018-11-13 2018-09-30 13F OWENS CORNING Common 690742101 4,876 -1,137 265
2018-08-13 2018-06-30 13F OWENS CORNING Common 690742101 6,013 -7,624 -55.91 381 -66.01 0.0004
2018-05-08 2018-03-31 13F OWENS CORNING Common 690742101 13,637 -1,040 -7.09 1,121 -19.53 0.0013
2018-02-14 2017-12-31 13F OWENS CORNING Common 690742101 14,677 -22,735 -60.77 1,393 -51.87 0.0016
2017-11-15 2017-09-30 13F OWENS CORNING COMMON STOCK 690742101 37,412 337 0.91 2,894 16.65 0.0036
2017-08-08 2017-06-30 13F OWENS CORNING COMMON STOCK 690742101 37,075 -196,118 -84.10 2,481 -82.66 0.0032
2017-05-10 2017-03-31 13F OWENS CORNING COMMON STOCK 690742101 233,193 -192,877 -45.27 14,311 -34.86 0.0185
2017-02-06 2016-12-31 13F OWENS CORNING COMMON STOCK 690742101 426,070 -9,779 -2.24 21,969 -5.59 0.0295
2016-11-02 2016-09-30 13F OWENS CORNING COMMON STOCK 690742101 435,849 -99,310 -18.56 23,270 -15.60 0.0316
2016-08-05 2016-06-30 13F OWENS CORNING COMMON STOCK 690742101 535,159 -390,560 -42.19 27,572 -37.00 0.0380
2016-05-06 2016-03-31 13F OWENS CORNING COMMON STOCK 690742101 925,719 47,727 5.44 43,768 6.00 0.0602
2016-01-28 2015-12-31 13F OWENS CORNING COMMON STOCK 690742101 877,992 14,367 1.66 41,292 14.08 0.0541
2015-11-10 2015-09-30 13F OWENS CORNING COMMON STOCK 690742101 863,625 -129,611 -13.05 36,195 -11.66 0.0466
2015-07-31 2015-06-30 13F OWENS CORNING COMMON STOCK 690742101 993,236 59,567 6.38 40,971 1.11 0.0456
2015-05-06 2015-03-31 13F OWENS CORNING COMMON STOCK 690742101 933,669 933,669 0.00 40,521 0.0433
2015-02-05 2014-12-31 13F OWENS CORNING COMMON STOCK 690742101 0 -563,695 -100.00 0 -100.00
2014-11-04 2014-09-30 13F OWENS CORNING COMMON STOCK 690742101 563,695 382,576 211.23 17,897 155.45 0.0184
2014-08-05 2014-06-30 13F OWENS CORNING COMMON STOCK 690742101 181,119 -7,215 -3.83 7,006 -13.83 0.0068
2014-05-05 2014-03-31 13F OWENS CORNING COMMON STOCK 690742101 188,334 188,334 8,130 0.0083
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.