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STRS Ohio’s Castle Biosciences CSTL Stock Holding History

STRS Ohio’s Portfolio CSTL Stock Details CSTL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$614K Buy
25,000
+12,400
+98% +$406K ﹤0.01% 935
2025
Q4 		$490K Buy
12,600
+2,800
+29% +$90.3K ﹤0.01% 1106
2025
Q3 		$223K Sell
9,800
-1,900
-16% -$38.6K ﹤0.01% 1481
2025
Q2 		$239K Sell
11,700
-6,600
-36% -$122K ﹤0.01% 1605
2025
Q1 		$366K Hold
18,300
– – ﹤0.01% 1326
2024
Q4 		$488K Sell
18,300
-800
-4% -$24.4K ﹤0.01% 1220
2024
Q3 		$545K Sell
19,100
-6,700
-26% -$171K ﹤0.01% 1209
2024
Q2 		$562K Buy
25,800
+3,100
+14% +$69.1K ﹤0.01% 1160
2024
Q1 		$502K Sell
22,700
-1,400
-6% -$30.5K ﹤0.01% 1261
2023
Q4 		$520K Sell
24,100
-4,000
-14% -$70.4K ﹤0.01% 1263
2023
Q3 		$474K Hold
28,100
– – ﹤0.01% 1289
2023
Q2 		$385K Buy
28,100
+1,000
+4% +$20.3K ﹤0.01% 1387
2023
Q1 		$615K Buy
27,100
+6,700
+33% +$164K ﹤0.01% 1169
2022
Q4 		$480K Hold
20,400
– – ﹤0.01% 1343
2022
Q3 		$532K Hold
20,400
– – ﹤0.01% 1309
2022
Q2 		$447K Buy
20,400
+17,600
+629% +$409K ﹤0.01% 1390
2022
Q1 		$125K Hold
2,800
– – ﹤0.01% 1803
2021
Q4 		$120K Hold
2,800
– – ﹤0.01% 1863
2021
Q3 		$186K Sell
2,800
-4,400
-61% -$310K ﹤0.01% 1792
2021
Q2 		$527K Sell
7,200
-5,500
-43% -$363K ﹤0.01% 1541
2021
Q1 		$869K Sell
12,700
-200
-2% -$15K ﹤0.01% 1256
2020
Q4 		$866K Hold
12,900
– – ﹤0.01% 1154
2020
Q3 		$663K Buy
12,900
+11,900
+1,190% +$529K ﹤0.01% 1166
2020
Q2 		$37K Hold
1,000
– – ﹤0.01% 1953
2020
Q1 		$29K Hold
1,000
– – ﹤0.01% 1859
2019
Q4 		$34K Hold
1,000
– – ﹤0.01% 1939
2019
Q3 		$18K Buy
+1,000
New +$22.2K ﹤0.01% 1985

Other funds holding CSTL

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 1-Year Est. Return
PCM
Portolan Capital Management Boston, Massachusetts $1.88B AUM 115.74% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
SPPAM
Summit Partners Public Asset Management Boston, Massachusetts $3.72B AUM 162.29% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Allianz Asset Management
Allianz Asset Management Munich, Germany $95.4B AUM 38.74% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

STRS Ohio's CSTL Position: Q1 2026 in Review

STRS Ohio increased its Castle Biosciences (CSTL) stake by 98% in Q1 2026, buying an estimated $406K and bringing the position to 25,000 shares worth $614K. The position accounts for ﹤0.01% of the portfolio, ranked #935.

STRS Ohio first reported a position in CSTL in Q3 2019 and has held it in 27 quarters since. The position peaked at $869K in Q1 2021. 186 funds tracked by Wall St. Rank hold CSTL as of Q1 2026.

  • STRS Ohio held 25,000 shares of Castle Biosciences worth $614K as of Q1 2026.
  • STRS Ohio bought 12,400 Castle Biosciences shares in Q1 2026, an estimated $406K.
  • Castle Biosciences made up ﹤0.01% of STRS Ohio's portfolio in Q1 2026, its #935 holding.
  • STRS Ohio first reported a position in Castle Biosciences in Q3 2019 and has held it in 27 quarters since.
  • STRS Ohio's Castle Biosciences position peaked at $869K in Q1 2021.
  • 186 funds tracked by Wall St. Rank held Castle Biosciences as of Q1 2026.

Based on STRS Ohio's 13F filing for Q1 2026, filed 24 Apr 2026.