Dimensional Fund Advisors
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Dimensional Fund Advisors’s Castle Biosciences CSTL Stock Holding History

Dimensional Fund Advisors’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 		$25.5M Sell
1,039,761
-104,038
-9% -$3.41M 0.01% 1857
2025
Q4 		$44.5M Sell
1,143,799
-330,290
-22% -$10.6M 0.01% 1573
2025
Q3 		$33.6M Buy
1,474,089
+96,084
+7% +$1.95M 0.01% 1733
2025
Q2 		$28.1M Buy
1,378,005
+177,783
+15% +$3.29M 0.01% 1817
2025
Q1 		$24M Buy
1,200,222
+200,756
+20% +$4.97M 0.01% 1861
2024
Q4 		$26.6M Buy
999,466
+134,645
+16% +$4.1M 0.01% 1870
2024
Q3 		$24.7M Buy
864,821
+54,887
+7% +$1.4M 0.01% 1904
2024
Q2 		$17.6M Buy
809,934
+60,675
+8% +$1.35M ﹤0.01% 2019
2024
Q1 		$16.6M Buy
749,259
+85,377
+13% +$1.86M ﹤0.01% 2081
2023
Q4 		$14.3M Buy
663,882
+108,481
+20% +$1.91M ﹤0.01% 2149
2023
Q3 		$9.38M Buy
555,401
+65,818
+13% +$1.15M ﹤0.01% 2290
2023
Q2 		$6.72M Buy
489,583
+5,931
+1% +$120K ﹤0.01% 2423
2023
Q1 		$11M Buy
483,652
+159,966
+49% +$3.91M ﹤0.01% 2190
2022
Q4 		$7.62K Buy
323,686
+85,198
+36% +$1.98M ﹤0.01% 2319
2022
Q3 		$6.22M Buy
238,488
+46,410
+24% +$1.3M ﹤0.01% 2351
2022
Q2 		$4.22M Buy
192,078
+69,700
+57% +$1.62M ﹤0.01% 2501
2022
Q1 		$5.49M Buy
122,378
+8,278
+7% +$342K ﹤0.01% 2508
2021
Q4 		$4.89M Buy
114,100
+59,783
+110% +$3.12M ﹤0.01% 2571
2021
Q3 		$3.61M Buy
+54,317
New +$3.82M ﹤0.01% 2674
2021
Q2 		– Sell
-142,988
Closed -$9.76M – 3465
2021
Q1 		$9.76M Buy
142,988
+122,306
+591% +$9.19M ﹤0.01% 2338
2020
Q4 		$1.39M Buy
+20,682
New +$1.12M ﹤0.01% 2904

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
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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Dimensional Fund Advisors's CSTL Position: Q1 2026 in Review

Dimensional Fund Advisors reduced its Castle Biosciences (CSTL) stake by 9.1% in Q1 2026, selling an estimated $3.41M and leaving 1,039,761 shares worth $25.5M. The position accounts for 0.01% of the portfolio, ranked #1857.

Dimensional Fund Advisors first reported a position in CSTL in Q4 2020 and has held it in 21 quarters since. The position peaked at $44.5M in Q4 2025. 186 funds tracked by Wall St. Rank hold CSTL as of Q1 2026.

  • Dimensional Fund Advisors held 1,039,761 shares of Castle Biosciences worth $25.5M as of Q1 2026.
  • Dimensional Fund Advisors sold 104,038 Castle Biosciences shares in Q1 2026, an estimated $3.41M.
  • Castle Biosciences made up 0.01% of Dimensional Fund Advisors's portfolio in Q1 2026, its #1857 holding.
  • Dimensional Fund Advisors first reported a position in Castle Biosciences in Q4 2020 and has held it in 21 quarters since.
  • Dimensional Fund Advisors's Castle Biosciences position peaked at $44.5M in Q4 2025.
  • 186 funds tracked by Wall St. Rank held Castle Biosciences as of Q1 2026.

Based on Dimensional Fund Advisors's 13F filing for Q1 2026, filed 7 May 2026.