California State Teachers Retirement System (CalSTRS)
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California State Teachers Retirement System (CalSTRS)’s Gibraltar Industries ROCK Stock Holding History

California State Teachers Retirement System (CalSTRS)’s Portfolio ROCK Stock Details ROCK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.11M Sell
27,743
-222
-0.8% -$10.7K ﹤0.01% 1779
2025
Q4 		$1.38M Buy
27,965
+1,631
+6% +$93.5K ﹤0.01% 1635
2025
Q3 		$1.65M Sell
26,334
-1,798
-6% -$112K ﹤0.01% 1515
2025
Q2 		$1.66M Buy
28,132
+287
+1% +$16.4K ﹤0.01% 1465
2025
Q1 		$1.63M Sell
27,845
-656
-2% -$40.8K ﹤0.01% 1445
2024
Q4 		$1.68M Sell
28,501
-333
-1% -$22.7K ﹤0.01% 1492
2024
Q3 		$2.02M Sell
28,834
-874
-3% -$61K ﹤0.01% 1406
2024
Q2 		$2.04M Sell
29,708
-746
-2% -$54.3K ﹤0.01% 1364
2024
Q1 		$2.45M Sell
30,454
-1,673
-5% -$133K ﹤0.01% 1288
2023
Q4 		$2.54M Sell
32,127
-1,502
-4% -$103K ﹤0.01% 1299
2023
Q3 		$2.27M Sell
33,629
-3,819
-10% -$261K ﹤0.01% 1313
2023
Q2 		$2.36M Sell
37,448
-1,332
-3% -$72K ﹤0.01% 1392
2023
Q1 		$1.88M Sell
38,780
-1,156
-3% -$59.1K ﹤0.01% 1520
2022
Q4 		$1.83M Sell
39,936
-823
-2% -$39.5K ﹤0.01% 1527
2022
Q3 		$1.67M Sell
40,759
-1,337
-3% -$57K ﹤0.01% 1547
2022
Q2 		$1.63M Buy
42,096
+387
+0.9% +$15.8K ﹤0.01% 1627
2022
Q1 		$1.79M Sell
41,709
-3,682
-8% -$194K ﹤0.01% 1692
2021
Q4 		$3.03M Buy
45,391
+807
+2% +$57.6K ﹤0.01% 1474
2021
Q3 		$3.1M Sell
44,584
-611
-1% -$44K ﹤0.01% 1440
2021
Q2 		$3.45M Sell
45,195
-3,969
-8% -$328K ﹤0.01% 1438
2021
Q1 		$4.5M Sell
49,164
-133
-0.3% -$12.2K 0.01% 1257
2020
Q4 		$3.55M Buy
49,297
+3
+0% +$200 0.01% 1319
2020
Q3 		$3.21M Buy
49,294
+231
+0.5% +$13.6K 0.01% 1217
2020
Q2 		$2.36M Hold
49,063
– – ﹤0.01% 1374
2020
Q1 		$2.11M Sell
49,063
-244
-0.5% -$12.2K ﹤0.01% 1266
2019
Q4 		$2.49M Sell
49,307
-996
-2% -$50K ﹤0.01% 1439
2019
Q3 		$2.31M Buy
50,303
+601
+1% +$25.2K ﹤0.01% 1454
2019
Q2 		$2.01M Buy
49,702
+802
+2% +$31.2K ﹤0.01% 1556
2019
Q1 		$1.99M Sell
48,900
-1,137
-2% -$43.4K ﹤0.01% 1533
2018
Q4 		$1.78M Buy
50,037
+1,177
+2% +$42.9K ﹤0.01% 1543
2018
Q3 		$2.23M Sell
48,860
-18
-0% -$779 ﹤0.01% 1553
2018
Q2 		$1.83M Buy
48,878
+505
+1% +$18.8K ﹤0.01% 1672
2018
Q1 		$1.64M Sell
48,373
-1,696
-3% -$58.9K ﹤0.01% 1655
2017
Q4 		$1.65M Sell
50,069
-619
-1% -$19.8K ﹤0.01% 1691
2017
Q3 		$1.58M Sell
50,688
-5,573
-10% -$168K ﹤0.01% 1720
2017
Q2 		$2.01M Sell
56,261
-5,875
-9% -$207K ﹤0.01% 1600
2017
Q1 		$2.56M Sell
62,136
-2,900
-4% -$121K 0.01% 1473
2016
Q4 		$2.71M Sell
65,036
-1,800
-3% -$74.4K 0.01% 1465
2016
Q3 		$2.48M Buy
66,836
+700
+1% +$25.6K 0.01% 1511
2016
Q2 		$2.09M Buy
66,136
+555
+0.8% +$16K ﹤0.01% 1599
2016
Q1 		$1.88M Buy
65,581
+8,229
+14% +$192K ﹤0.01% 1650
2015
Q4 		$1.46M Buy
57,352
+1,000
+2% +$24K ﹤0.01% 1760
2015
Q3 		$1.03M Sell
56,352
-200
-0.4% -$3.66K ﹤0.01% 1961
2015
Q2 		$1.15M Buy
56,552
+213
+0.4% +$3.87K ﹤0.01% 2020
2015
Q1 		$925K Sell
56,339
-900
-2% -$13.9K ﹤0.01% 2069
2014
Q4 		$931K Buy
57,239
+243
+0.4% +$3.59K ﹤0.01% 2099
2014
Q3 		$780K Buy
56,996
+623
+1% +$9.55K ﹤0.01% 2174
2014
Q2 		$874K Buy
56,373
+800
+1% +$13.3K ﹤0.01% 2155
2014
Q1 		$1.05M Hold
55,573
– – ﹤0.01% 1975
2013
Q4 		$1.03M Buy
55,573
+400
+0.7% +$6.55K ﹤0.01% 1971
2013
Q3 		$787K Buy
55,173
+1,709
+3% +$24.5K ﹤0.01% 2084
2013
Q2 		$778K Buy
+53,464
New +$903K ﹤0.01% 2020

Other funds holding ROCK

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Mirae Asset Global ETFs Holdings
Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $73.7B AUM 53.56% 1-Year Est. Return

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

California State Teachers Retirement System (CalSTRS) reduced its Gibraltar Industries (ROCK) stake by 0.79% in Q1 2026, selling an estimated $10.7K and leaving 27,743 shares worth $1.11M. The position accounts for ﹤0.01% of the portfolio, ranked #1779.

California State Teachers Retirement System (CalSTRS) first reported a position in ROCK in Q2 2013 and has held it in 52 quarters since. The position peaked at $4.5M in Q1 2021. 228 funds tracked by Wall St. Rank hold ROCK as of Q1 2026.

  • California State Teachers Retirement System (CalSTRS) held 27,743 shares of Gibraltar Industries worth $1.11M as of Q1 2026.
  • California State Teachers Retirement System (CalSTRS) sold 222 Gibraltar Industries shares in Q1 2026, an estimated $10.7K.
  • Gibraltar Industries made up ﹤0.01% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q1 2026, its #1779 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in Gibraltar Industries in Q2 2013 and has held it in 52 quarters since.
  • California State Teachers Retirement System (CalSTRS)'s Gibraltar Industries position peaked at $4.5M in Q1 2021.
  • 228 funds tracked by Wall St. Rank held Gibraltar Industries as of Q1 2026.

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