Harris Associates’s Owens Corning OC Stock Holding History

Harris Associates’s Portfolio OC Stock Details OC Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$99.1M	Buy	915,393 +634,865	+226%	+$75.7M	0.13%	82
2025 Q4	$31.4M	Buy	280,528 +18,568	+7%	+$2.18M	0.04%	96
2025 Q3	$37.1M	Sell	261,960 -85	-0%	-$12.5K	0.06%	90
2025 Q2	$36M	Buy	+262,045	New	+$36.2M	0.06%	94

Other funds holding OC

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return

First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return

DSA

Davis Selected Advisers Tucson, Arizona $21.8B AUM 23.45% 1-Year Est. Return

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

Harris Associates's OC Position: Q1 2026 in Review

Harris Associates increased its Owens Corning (OC) stake by 226% in Q1 2026, buying an estimated $75.7M and bringing the position to 915,393 shares worth $99.1M. The position accounts for 0.13% of the portfolio, ranked #82.

Harris Associates first reported a position in OC in Q2 2025 and has held it in 4 quarters since. 629 funds tracked by Wall St. Rank hold OC as of Q1 2026.

Harris Associates held 915,393 shares of Owens Corning worth $99.1M as of Q1 2026.
Harris Associates bought 634,865 Owens Corning shares in Q1 2026, an estimated $75.7M.
Owens Corning made up 0.13% of Harris Associates's portfolio in Q1 2026, its #82 holding.
Harris Associates first reported a position in Owens Corning in Q2 2025 and has held it in 4 quarters since.
629 funds tracked by Wall St. Rank held Owens Corning as of Q1 2026.

Based on Harris Associates's 13F filing for Q1 2026, filed 15 May 2026.