California State Teachers Retirement System (CalSTRS)
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California State Teachers Retirement System (CalSTRS)’s Owens Corning OC Stock Holding History

California State Teachers Retirement System (CalSTRS)’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 		$10.3M Buy
95,124
+15,824
+20% +$1.89M 0.01% 681
2025
Q4 		$8.87M Sell
79,300
-22,107
-22% -$2.59M 0.01% 681
2025
Q3 		$14.3M Sell
101,407
-187
-0.2% -$27.4K 0.01% 557
2025
Q2 		$14M Sell
101,594
-1,069
-1% -$148K 0.02% 554
2025
Q1 		$14.7M Sell
102,663
-581
-0.6% -$96K 0.02% 543
2024
Q4 		$17.6M Sell
103,244
-4,590
-4% -$858K 0.02% 526
2024
Q3 		$19M Sell
107,834
-6,655
-6% -$1.12M 0.02% 517
2024
Q2 		$19.9M Sell
114,489
-4,577
-4% -$793K 0.02% 494
2024
Q1 		$19.9M Sell
119,066
-5,893
-5% -$899K 0.03% 501
2023
Q4 		$18.5M Sell
124,959
-4,818
-4% -$638K 0.03% 506
2023
Q3 		$17.7M Sell
129,777
-10,470
-7% -$1.44M 0.03% 490
2023
Q2 		$18.3M Sell
140,247
-7,834
-5% -$858K 0.03% 502
2023
Q1 		$14.2M Sell
148,081
-4,867
-3% -$461K 0.02% 569
2022
Q4 		$13M Sell
152,948
-844
-0.5% -$74K 0.02% 578
2022
Q3 		$12.1M Sell
153,792
-4,494
-3% -$378K 0.02% 584
2022
Q2 		$11.8M Sell
158,286
-2,898
-2% -$256K 0.02% 600
2022
Q1 		$14.7M Sell
161,184
-14,178
-8% -$1.3M 0.02% 586
2021
Q4 		$15.9M Buy
175,362
+263
+0.2% +$23.9K 0.02% 616
2021
Q3 		$15M Sell
175,099
-3,347
-2% -$315K 0.02% 645
2021
Q2 		$17.5M Sell
178,446
-18,899
-10% -$1.89M 0.02% 603
2021
Q1 		$18.2M Sell
197,345
-9,498
-5% -$796K 0.02% 580
2020
Q4 		$15.7M Sell
206,843
-1,504
-0.7% -$110K 0.02% 592
2020
Q3 		$14.3M Sell
208,347
-12,171
-6% -$780K 0.02% 563
2020
Q2 		$12.3M Buy
220,518
+773
+0.4% +$36K 0.02% 574
2020
Q1 		$8.53M Buy
219,745
+12,025
+6% +$673K 0.02% 616
2019
Q4 		$13.5M Buy
207,720
+16,415
+9% +$1.05M 0.02% 577
2019
Q3 		$12.1M Buy
191,305
+721
+0.4% +$41.3K 0.02% 590
2019
Q2 		$11.1M Sell
190,584
-571
-0.3% -$29.1K 0.02% 627
2019
Q1 		$9.01M Sell
191,155
-3,998
-2% -$195K 0.02% 689
2018
Q4 		$8.58M Buy
195,153
+12,860
+7% +$623K 0.02% 658
2018
Q3 		$9.89M Buy
182,293
+443
+0.2% +$26.7K 0.02% 670
2018
Q2 		$11.5M Sell
181,850
-1,957
-1% -$135K 0.02% 605
2018
Q1 		$14.8M Sell
183,807
-5,924
-3% -$516K 0.03% 507
2017
Q4 		$17.4M Buy
189,731
+800
+0.4% +$67.4K 0.04% 464
2017
Q3 		$14.6M Sell
188,931
-15,614
-8% -$1.09M 0.03% 497
2017
Q2 		$13.7M Sell
204,545
-30,421
-13% -$1.91M 0.03% 534
2017
Q1 		$14.4M Sell
234,966
-10,400
-4% -$596K 0.03% 535
2016
Q4 		$12.7M Sell
245,366
-6,400
-3% -$332K 0.03% 590
2016
Q3 		$13.4M Buy
251,766
+2,200
+0.9% +$118K 0.03% 560
2016
Q2 		$12.9M Sell
249,566
-8,145
-3% -$406K 0.03% 565
2016
Q1 		$12.2M Buy
257,711
+32,075
+14% +$1.42M 0.03% 591
2015
Q4 		$10.6M Buy
225,636
+3,455
+2% +$159K 0.03% 603
2015
Q3 		$9.31M Buy
222,181
+6,677
+3% +$294K 0.02% 636
2015
Q2 		$8.89M Sell
215,504
-7,120
-3% -$292K 0.02% 687
2015
Q1 		$9.66M Sell
222,624
-3,731
-2% -$148K 0.02% 658
2014
Q4 		$8.11M Buy
226,355
+2,160
+1% +$71.8K 0.02% 738
2014
Q3 		$7.12M Buy
224,195
+9,162
+4% +$323K 0.02% 782
2014
Q2 		$8.32M Sell
215,033
-1,200
-0.6% -$49.3K 0.02% 725
2014
Q1 		$9.34M Buy
216,233
+1,000
+0.5% +$42.1K 0.02% 639
2013
Q4 		$8.76M Buy
215,233
+1,400
+0.7% +$53.1K 0.02% 642
2013
Q3 		$8.12M Buy
213,833
+6,669
+3% +$260K 0.02% 648
2013
Q2 		$8.1M Buy
+207,164
New +$8.64M 0.03% 597

Other funds holding OC

BlackRock
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
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return
First Trust Advisors
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
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

California State Teachers Retirement System (CalSTRS)'s OC Position: Q1 2026 in Review

California State Teachers Retirement System (CalSTRS) increased its Owens Corning (OC) stake by 20% in Q1 2026, buying an estimated $1.89M and bringing the position to 95,124 shares worth $10.3M. The position accounts for 0.01% of the portfolio, ranked #681.

California State Teachers Retirement System (CalSTRS) first reported a position in OC in Q2 2013 and has held it in 52 quarters since. The position peaked at $19.9M in Q2 2024. 629 funds tracked by Wall St. Rank hold OC as of Q1 2026.

  • California State Teachers Retirement System (CalSTRS) held 95,124 shares of Owens Corning worth $10.3M as of Q1 2026.
  • California State Teachers Retirement System (CalSTRS) bought 15,824 Owens Corning shares in Q1 2026, an estimated $1.89M.
  • Owens Corning made up 0.01% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q1 2026, its #681 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in Owens Corning in Q2 2013 and has held it in 52 quarters since.
  • California State Teachers Retirement System (CalSTRS)'s Owens Corning position peaked at $19.9M in Q2 2024.
  • 629 funds tracked by Wall St. Rank held Owens Corning as of Q1 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q1 2026, filed 18 May 2026.