Teacher Retirement System of Texas
ROCK icon

Teacher Retirement System of Texas’s Gibraltar Industries ROCK Stock Holding History

Teacher Retirement System of Texas’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 		– Sell
-7,559
Closed -$374K – 1703
2025
Q4 		$374K Sell
7,559
-65,965
-90% -$3.78M ﹤0.01% 1337
2025
Q3 		$4.62M Buy
73,524
+54,895
+295% +$3.43M 0.02% 572
2025
Q2 		$1.1M Sell
18,629
-65,548
-78% -$3.75M ﹤0.01% 1183
2025
Q1 		$4.94M Buy
84,177
+77,243
+1,114% +$4.81M 0.02% 548
2024
Q4 		$408K Sell
6,934
-8,926
-56% -$608K ﹤0.01% 1315
2024
Q3 		$1.11M Sell
15,860
-38,342
-71% -$2.68M 0.01% 956
2024
Q2 		$3.72M Buy
54,202
+5,608
+12% +$408K 0.02% 441
2024
Q1 		$3.91M Buy
48,594
+26,712
+122% +$2.13M 0.03% 453
2023
Q4 		$1.73M Sell
21,882
-10,412
-32% -$711K 0.01% 699
2023
Q3 		$2.18M Buy
32,294
+11,751
+57% +$804K 0.01% 663
2023
Q2 		$1.29M Buy
20,543
+11,550
+128% +$625K 0.01% 904
2023
Q1 		$436K Buy
8,993
+816
+10% +$41.7K ﹤0.01% 1544
2022
Q4 		$375K Sell
8,177
-4,841
-37% -$232K ﹤0.01% 1600
2022
Q3 		$533K Buy
13,018
+7,692
+144% +$328K ﹤0.01% 1490
2022
Q2 		$206K Sell
5,326
-1,422
-21% -$58K ﹤0.01% 1672
2022
Q1 		$290K Buy
6,748
+527
+8% +$27.8K ﹤0.01% 1744
2021
Q4 		$415K Buy
6,221
+975
+19% +$69.6K ﹤0.01% 1594
2021
Q3 		$365K Buy
5,246
+1,012
+24% +$72.8K ﹤0.01% 1558
2021
Q2 		$323K Buy
4,234
+637
+18% +$52.6K ﹤0.01% 1540
2021
Q1 		$329K Buy
3,597
+648
+22% +$59.5K ﹤0.01% 1382
2020
Q4 		$212K Buy
+2,949
New +$197K ﹤0.01% 1423
2018
Q3 		– Sell
-6,435
Closed -$241K – 1732
2018
Q2 		$241K Sell
6,435
-228
-3% -$8.47K ﹤0.01% 1675
2018
Q1 		$226K Sell
6,663
-3,548
-35% -$123K ﹤0.01% 1709
2017
Q4 		$337K Buy
+10,211
New +$326K ﹤0.01% 1757
2016
Q3 		– Sell
-4,119
Closed -$130K – 1897
2016
Q2 		$130K Buy
4,119
+499
+14% +$14.4K ﹤0.01% 1703
2016
Q1 		$104K Buy
3,620
+956
+36% +$22.3K ﹤0.01% 1750
2015
Q4 		$68K Sell
2,664
-949
-26% -$22.7K ﹤0.01% 1872
2015
Q3 		$66K Buy
3,613
+2,462
+214% +$45.1K ﹤0.01% 1989
2015
Q2 		$23K Buy
1,151
+261
+29% +$4.74K ﹤0.01% 2020
2015
Q1 		$15K Buy
890
+21
+2% +$325 ﹤0.01% 2121
2014
Q4 		$14K Sell
869
-213
-20% -$3.15K ﹤0.01% 2124
2014
Q3 		$15K Hold
1,082
– – ﹤0.01% 1986
2014
Q2 		$17K Hold
1,082
– – ﹤0.01% 2063
2014
Q1 		$20K Sell
1,082
-8
-0.7% -$145 ﹤0.01% 1755
2013
Q4 		$20K Sell
1,090
-2,628
-71% -$43.1K ﹤0.01% 1773
2013
Q3 		$53K Buy
3,718
+1,710
+85% +$24.6K ﹤0.01% 2088
2013
Q2 		$29K Buy
+2,008
New +$33.9K ﹤0.01% 2029

Other funds holding ROCK

BlackRock
BlackRock New York $6.73T AUM 46.02% 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 $3.37T AUM 44.26% 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

Teacher Retirement System of Texas's ROCK Position: Q1 2026 in Review

Teacher Retirement System of Texas sold out of Gibraltar Industries (ROCK) in Q1 2026, closing a stake of 7,559 shares — an estimated $374K sold.

Teacher Retirement System of Texas first reported a position in ROCK in Q2 2013 and held it in 37 quarters. The position peaked at $4.94M in Q1 2025. 228 funds tracked by Wall St. Rank hold ROCK as of Q1 2026.

  • Teacher Retirement System of Texas reported no remaining Gibraltar Industries position as of Q1 2026 after selling out during the quarter.
  • Teacher Retirement System of Texas sold 7,559 Gibraltar Industries shares in Q1 2026, an estimated $374K.
  • Teacher Retirement System of Texas first reported a position in Gibraltar Industries in Q2 2013 and held it in 37 quarters.
  • Teacher Retirement System of Texas's Gibraltar Industries position peaked at $4.94M in Q1 2025.
  • 228 funds tracked by Wall St. Rank held Gibraltar Industries as of Q1 2026.

Based on Teacher Retirement System of Texas's 13F filing for Q1 2026, filed 30 Apr 2026.