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Castle Biosciences Inc
CSTLAdd to Watchlist
28.090USD
+1.300+4.85%
Close 07-31 16:00（ET）Quotes delayed by 15 min
856.98MMarket Cap
LossP/E TTM
Shareholding Stats
Updated: Sun, May 10
Updated: Sun, May 10
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
BlackRock Institutional Trust Company, N.A.
7.87%
RTW Investments L.P.
6.97%
Principal Global Investors (Equity)
5.84%
Portolan Capital Management, L.L.C.
5.70%
Vanguard Capital Management, LLC
3.88%
Other
69.73%
Shareholders
Shareholders
Proportion
BlackRock Institutional Trust Company, N.A.
7.87%
RTW Investments L.P.
6.97%
Principal Global Investors (Equity)
5.84%
Portolan Capital Management, L.L.C.
5.70%
Vanguard Capital Management, LLC
3.88%
Other
69.73%
Shareholder Types
Shareholders
Proportion
Investment Advisor
36.52%
Investment Advisor/Hedge Fund
35.47%
Hedge Fund
12.02%
Research Firm
3.94%
Individual Investor
2.33%
Private Equity
1.42%
Pension Fund
1.08%
Bank and Trust
0.52%
Venture Capital
0.07%
Other
6.61%
Institutional Shareholding
Updated: Wed, Apr 1
Updated: Wed, Apr 1
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2026Q1
413
27.62M
91.06%
-1.80M
2025Q4
389
26.96M
105.78%
+8.63K
2025Q3
399
26.96M
107.31%
-53.38K
2025Q2
398
27.00M
103.65%
+127.34K
2025Q1
409
26.52M
105.30%
-3.50M
2024Q4
404
26.78M
103.70%
+310.72K
2024Q3
401
26.78M
107.01%
+270.45K
2024Q2
387
26.46M
111.29%
-777.31K
2024Q1
393
27.23M
118.64%
-5.50M
2023Q4
395
25.58M
119.73%
+605.48K
View more
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
BlackRock Institutional Trust Company, N.A.
2.39M
8.03%
-618.00
-0.03%
Dec 31, 2025
RTW Investments L.P.
2.12M
7.11%
+2.12M
--
Dec 31, 2025
Principal Global Investors (Equity)
1.81M
6.08%
+13.29K
+0.74%
Dec 31, 2025
Portolan Capital Management, L.L.C.
1.73M
5.82%
+214.35K
+14.15%
Dec 31, 2025
Summit Partners Public Asset Management, LLC
1.06M
3.56%
+658.73K
+164.68%
Dec 31, 2025
Dimensional Fund Advisors, L.P.
1.14M
3.85%
-330.29K
-22.41%
Dec 31, 2025
Allianz Global Investors GmbH
597.96K
2.01%
-21.62K
-3.49%
Dec 31, 2025
State Street Investment Management (US)
736.45K
2.48%
+12.37K
+1.71%
Dec 31, 2025
View more
Related ETFs
Updated: Sat, Dec 6
Updated: Sat, Dec 6
Name
Proportion
State Street SPDR S&P Health Care Services ETF
1.3%
Inspire Small/Mid Cap ESG ETF
0.36%
iShares US Small Cap Value Factor ETF
0.29%
Royce Quant Small-Cap Quality Value ETF
0.27%
Harbor Human Capital Factor US Small Cap ETF
0.24%
iShares Micro-Cap ETF
0.14%
ProShares Ultra Nasdaq Biotechnology
0.14%
Goldman Sachs ActiveBeta US Small Cap Equity ETF
0.12%
iShares U.S. Healthcare Providers ETF
0.12%
Texas Capital Texas Small Cap Equity Index ETF
0.11%
View more
State Street SPDR S&P Health Care Services ETF
Proportion1.3%
Inspire Small/Mid Cap ESG ETF
Proportion0.36%
iShares US Small Cap Value Factor ETF
Proportion0.29%
Royce Quant Small-Cap Quality Value ETF
Proportion0.27%
Harbor Human Capital Factor US Small Cap ETF
Proportion0.24%
iShares Micro-Cap ETF
Proportion0.14%
ProShares Ultra Nasdaq Biotechnology
Proportion0.14%
Goldman Sachs ActiveBeta US Small Cap Equity ETF
Proportion0.12%
iShares U.S. Healthcare Providers ETF
Proportion0.12%
Texas Capital Texas Small Cap Equity Index ETF
Proportion0.11%