Castle Biosciences Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of CSTL?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	15,051	0.0537%
General Public	587,013	2.1%
Individual Insiders	764,069	2.73%
Institutions	26,641,168	95.1%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 4.1%.

Top Shareholders

Top 25 shareholders own 72.2% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
11.1%	BlackRock, Inc.	3,120,272	US$93.0m	2.47%	no data
6.52%	Wasatch Advisors LP	1,826,092	US$54.4m	-21.6%	0.18%
6.24%	The Vanguard Group, Inc.	1,748,752	US$52.1m	10.9%	no data
5.49%	Principal Global Investors, LLC	1,538,610	US$45.9m	2.7%	0.02%
4.51%	Bellevue Asset Management AG	1,262,030	US$37.6m	3.69%	0.43%
4.48%	Portolan Capital Management, LLC	1,255,628	US$37.4m	3.69%	2.39%
3.09%	Dimensional Fund Advisors LP	864,821	US$25.8m	6.78%	no data
2.48%	Point72 Asset Management, L.P.	694,657	US$20.7m	374%	0.05%
2.43%	State Street Global Advisors, Inc.	680,001	US$20.3m	9.84%	no data
2.36%	Soleus Capital Management, L.P.	662,332	US$19.7m	-22.4%	1.61%
2.26%	Citadel Advisors LLC	633,016	US$18.9m	-8.71%	0.02%
2.23%	Geode Capital Management, LLC	624,683	US$18.6m	1.13%	no data
1.94%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	542,593	US$16.2m	445%	no data
1.79%	Palisade Capital Management, LP	502,317	US$15.0m	-6.63%	0.42%
1.77%	Jacobs Levy Equity Management Inc	496,521	US$14.8m	-4.14%	0.05%
1.75%	Renaissance Technologies LLC	489,562	US$14.6m	62.4%	0.02%
1.52%	Granahan Investment Management, LLC	425,220	US$12.7m	-59.8%	0.45%
1.45%	Kornitzer Capital Management, Inc.	407,238	US$12.1m	-25%	0.19%
1.43%	Acadian Asset Management LLC	401,238	US$12.0m	43.1%	0.03%
1.43%	Derek Maetzold	399,840	US$11.9m	-4.88%	no data
1.25%	Columbia Management Investment Advisers, LLC	349,229	US$10.4m	18.8%	no data
1.24%	Morgan Stanley, Investment Banking and Brokerage Investments	346,110	US$10.3m	60.3%	no data
1.19%	Braidwell LP	331,986	US$9.9m	-20.2%	0.42%
1.15%	Jackson National Asset Management, LLC	323,294	US$9.6m	0%	0.17%
1.06%	Parkman Healthcare Partners LLC	296,071	US$8.8m	6.54%	1.08%