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Castle Biosciences Ownership | Who Owns Castle Biosciences?

OverviewForecastRevenueFinancialsChartTranscripts

Castle Biosciences Ownership Summary

Castle Biosciences is owned by 92.51% institutional investors, 3.25% insiders, and 4.25% retail investors. Blackrock is the largest institutional shareholder, holding 11.08% of CSTL shares. Bellevue Healthcare Ord is the top mutual fund, with 4.32% of its assets in Castle Biosciences shares.

CSTL Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockCastle Biosciences92.51%3.25%4.25%
SectorHealthcare Stocks 49.73%8.84%41.43%
IndustryDiagnostics & Research Stocks52.07%8.42%39.50%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Blackrock3.04M11.08%$66.29M
Wasatch advisors lp2.33M8.47%$50.68M
Vanguard group1.58M5.74%$34.34M
Principal financial group1.50M5.45%$32.61M
Bellevue group1.22M4.43%$26.50M
Portolan capital management1.21M4.41%$26.36M
Granahan investment management1.06M3.85%$23.05M
Deerfield management company, l.p. (series c)874.61K3.18%$19.04M
Soleus capital management853.63K3.11%$18.58M
Dimensional fund advisors lp809.93K2.95%$17.63M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Abg innovation capital partners iii gp36.75K93.07%$799.98K
Portolan capital management1.21M2.17%$26.36M
Pura vida investments153.39K2.11%$3.34M
Soleus capital management853.63K1.64%$18.58M
Yu fan36.75K1.05%$799.98K
Granahan investment management1.06M0.92%$23.05M
Parkman healthcare partners277.89K0.81%$6.05M
Birchview capital, lp34.00K0.69%$740.18K
Perkins capital management31.09K0.64%$677.00K
Lisanti capital growth96.55K0.51%$2.10M

Top Buyers

HolderShares% AssetsChange
Blackrock3.04M0.00%449.29K
Braidwell lp416.10K0.28%416.10K
Portolan capital management1.21M2.17%167.54K
Pura vida investments153.39K2.11%153.39K
Soleus capital management853.63K1.64%128.17K

Top Sellers

HolderShares% AssetsChange
Granahan investment management1.06M0.92%-568.28K
Morgan stanley249.38K0.00%-401.33K
Wasatch advisors lp2.33M0.27%-223.15K
Millennium management34.83K0.00%-213.73K
Banque pictet & cie sa---166.88K

New Positions

HolderShares% AssetsChangeValue
Braidwell lp416.10K0.28%416.10K$9.06M
Pura vida investments153.39K2.11%153.39K$3.34M
Boothbay fund management100.00K0.05%100.00K$2.18M
Lisanti capital growth96.55K0.51%96.55K$2.10M
Point72 asset management53.78K0.00%53.78K$1.17M

Sold Out

HolderChange
Colonial trust advisors-6.00
Eversource wealth advisors-7.00
Pnc financial services group-38.00
Ibex wealth advisors-50.00
Valley national advisers-85.00

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Sep 30, 202419518.90%25,754,3952.29%921.12%11938.37%48-4.00%
Jun 30, 20241637.24%25,178,6030.98%911.08%8518.06%50-7.41%
Mar 31, 2024152-0.65%24,935,0634.70%921.17%72-21.74%5425.58%
Dec 31, 202315312.50%23,814,7983.24%881.19%9226.03%437.50%
Sep 30, 20231361.49%23,066,4490.30%861.15%73-14.12%4060.00%

Top Mutual Funds Shareholders

HolderShares% HoldingChange
Bellevue Healthcare Ord1.20M4.32%1.20M
Vanguard Total Stock Mkt Idx Inv830.64K2.97%1.24K
Wasatch Small Cap Growth Investor689.53K2.49%-117.49K
Strategic Advisers U.S. Total Stock{mg}693.06K2.47%-
Strategic Advisers Small-Mid Cap665.91K2.40%62.85K
iShares Russell 2000 ETF665.54K2.38%-1.50K
Principal U.S. Small Cap Equity564.50K2.04%102.10K
Principal SmallCap R5564.50K2.02%-
Buffalo Small Cap Growth502.77K1.81%-
Kornitzer Small Cap Equity502.77K1.81%-

Recent Insider Transactions

DateNameRoleActivityValue
Dec 17, 2024MAETZOLD DEREK J Pres. & Chief Exec. OfficerSell$3.22K
Dec 17, 2024MAETZOLD DEREK J Pres. & Chief Exec. OfficerSell$262.14K
Dec 13, 2024MAETZOLD DEREK J Pres. & Chief Exec. OfficerSell$10.85K
Dec 13, 2024MAETZOLD DEREK J Pres. & Chief Exec. OfficerSell$96.84K
Dec 13, 2024MAETZOLD DEREK J Pres. & Chief Exec. OfficerSell$289.37K

Insider Transactions Trends

DateBuySell
2024 Q4-64
2024 Q3-55
2024 Q2-51
2024 Q1-40
2023 Q4-178

CSTL Ownership FAQ

Who Owns Castle Biosciences?

Castle Biosciences shareholders are primarily institutional investors at 92.51%, followed by 3.25% insiders and 4.24% retail investors. The average institutional ownership in Castle Biosciences's industry, Diagnostics & Research Stocks, is 52.07%, which Castle Biosciences exceeds.

Who owns the most shares of Castle Biosciences?

Castle Biosciences’s largest shareholders are Blackrock (3.04M shares, 11.08%), Wasatch advisors lp (2.33M shares, 8.47%), and Vanguard group (1.58M shares, 5.74%). Together, they hold 25.29% of Castle Biosciences’s total shares outstanding.

Does Blackrock own Castle Biosciences?

Yes, BlackRock owns 11.08% of Castle Biosciences, totaling 3.04M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 66.29M$. In the last quarter, BlackRock increased its holdings by 449.29K shares, a 17.31% change.

Who is Castle Biosciences’s biggest shareholder by percentage of total assets invested?

Abg innovation capital partners iii gp is Castle Biosciences’s biggest shareholder by percentage of total assets invested, with 93.07% of its assets in 36.75K Castle Biosciences shares, valued at 799.98K$.

Who is the top mutual fund holder of Castle Biosciences shares?

Bellevue Healthcare Ord is the top mutual fund holder of Castle Biosciences shares, with 4.32% of its total shares outstanding invested in 1.2M Castle Biosciences shares.

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