Teacher Retirement System of Texas
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Teacher Retirement System of Texas’s Castle Biosciences CSTL Stock Holding History

Teacher Retirement System of Texas’s Portfolio CSTL Stock Details CSTL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change % 		Capital Flow Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-10,383
Closed -$208K – 2068
2025
Q1 		$208K Buy
10,383
+908
+10% +$18.2K ﹤0.01% 1869
2024
Q4 		$253K Buy
+9,475
New +$253K ﹤0.01% 1437
2021
Q4 		– Sell
-3,193
Closed -$212K – 2205
2021
Q3 		$212K Buy
+3,193
New +$212K ﹤0.01% 1877