Free Trial
→ Your Bank Account Is No Longer Safe (From Priority Gold) (Ad)tc pixel Free CSTL Stock Alerts

Castle Biosciences (CSTL) Institutional Ownership

Castle Biosciences logo
$24.08 -0.33 (-1.35%)
Closing price 04:00 PM Eastern
Extended Trading
$24.06 -0.01 (-0.06%)
As of 05:04 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
Compare

Institutional Ownership Changes (13F Filings) for Castle Biosciences (NASDAQ:CSTL)

Current
Institutional Ownership
Percentage
92.60%
Number of
Institutional Buyers
(last 12 months)
123
Total
Institutional Inflows
(last 12 months)
$228.68M
Number of
Institutional Sellers
(last 12 months)
75
Total
Institutional Outflows
(last 12 months)
$133.98M
Get CSTL Insider Trade Alerts

Want to know when executives and insiders are buying or selling Castle Biosciences stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily.

Subscribe Now
By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
Skip Chart & View Institutional Buying and Selling Data

CSTL Institutional Buying and Selling by Quarter

Castle Biosciences Major Shareholders & Ownership History

Export to Excel
Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/27/2025 Orion Porfolio Solutions LLC76,532$1.56M0.0%-2.4%0.264%
8/27/2025 Squarepoint Ops LLC125,719$2.57M0.0%+29.1%0.433%
8/15/2025 Tower Research Capital LLC TRC 2,791$57K0.0%+256.9%0.010%
8/15/2025 Wasatch Advisors LP1,049,773$21.44M0.1%+5.1%3.619%
8/15/2025 Orion Porfolio Solutions LLC76,532$1.56M0.0%-2.4%0.264%
8/15/2025 Palisade Capital Management LP575,116$11.74M0.3%+17.4%1.982%
8/15/2025 Engineers Gate Manager LP67,252$1.37M0.0%+27.1%0.232%
8/15/2025 BNP Paribas Financial Markets99,293$2.03M0.0%+119.5%0.342%
8/15/2025 Braidwell LP822,735$16.80M0.6%+125.3%2.836%
8/15/2025 Bridgeway Capital Management LLC40,750$832K0.0%N/A0.140%
8/15/2025 Brevan Howard Capital Management LP41,301$843K0.0%+238.4%0.142%
8/15/2025 Birchview Capital LP110,600$2.26M2.2%+25.1%0.381%
8/15/2025 Bank of America Corp DE382,745$7.82M0.0%+2.0%1.319%
8/15/2025 Ameriprise Financial Inc.372,467$7.61M0.0%+14.4%1.284%
8/14/2025 Diversify Wealth Management LLC12,322$238K0.0%-6.0%0.042%
8/14/2025 The Manufacturers Life Insurance Company 10,316$211K0.0%N/A0.036%
8/14/2025 Squarepoint Ops LLC125,719$2.57M0.0%+29.1%0.433%
8/14/2025 Sei Investments Co.31,130$636K0.0%-25.0%0.107%
8/14/2025 Nebula Research & Development LLC44,472$908K0.1%+18.2%0.153%
8/14/2025 Qube Research & Technologies Ltd192,553$3.93M0.0%-31.1%0.664%
8/13/2025 Jump Financial LLC21,858$446K0.0%N/A0.075%
8/13/2025 Invesco Ltd.40,429$826K0.0%+25.4%0.139%
8/13/2025 New York State Common Retirement Fund215,830$4.41M0.0%+32.3%0.744%
8/13/2025 Schroder Investment Management Group648,572$13.20M0.0%+8.6%2.236%
8/13/2025 Hsbc Holdings PLC34,018$691K0.0%+73.3%0.117%
8/13/2025 Advantage Alpha Capital Partners LP16,021$327K0.1%-19.1%0.055%
8/13/2025 Elevation Point Wealth Partners LLC8,362$171K0.0%N/A0.029%
8/13/2025 Russell Investments Group Ltd.1,532$31K0.0%-91.8%0.005%
8/12/2025 XTX Topco Ltd46,301$945K0.0%+135.9%0.160%
8/12/2025 Summit Global Investments15,649$320K0.0%-48.9%0.054%
8/12/2025 American Century Companies Inc.65,272$1.33M0.0%-11.9%0.225%
8/12/2025 Rhumbline Advisers45,397$927K0.0%+15.9%0.156%
8/12/2025 Legal & General Group Plc34,908$713K0.0%+34.7%0.120%
8/12/2025 JPMorgan Chase & Co.26,663$544K0.0%-12.8%0.092%
8/11/2025 Universal Beteiligungs und Servicegesellschaft mbH54,610$1.12M0.0%+364.6%0.188%
8/8/2025 Intech Investment Management LLC12,289$251K0.0%-23.6%0.042%
8/8/2025 Advisors Capital Management LLC245,867$5.02M0.1%+21.9%0.848%
8/8/2025 Geode Capital Management LLC689,926$14.09M0.0%+6.2%2.378%
8/7/2025 Acadian Asset Management LLC544,250$11.11M0.0%-19.5%1.876%
8/7/2025 Connor Clark & Lunn Investment Management Ltd.126,431$2.58M0.0%-28.5%0.436%
8/1/2025 Y Intercept Hong Kong Ltd78,938$1.61M0.0%N/A0.273%
8/1/2025 Envestnet Asset Management Inc.70,478$1.44M0.0%+1.0%0.244%
7/31/2025 AlphaQuest LLC2,095$43K0.0%-65.1%0.007%
7/29/2025 Stephens Inc. AR11,386$233K0.0%-16.5%0.039%
7/28/2025 Allianz Asset Management GmbH713,742$14.58M0.0%+11.6%2.472%
7/25/2025 Allspring Global Investments Holdings LLC161,175$3.29M0.0%-26.0%0.558%
7/24/2025 Inspire Investing LLC19,117$390K0.0%+11.4%0.066%
7/18/2025 Truist Financial Corp24,023$491K0.0%+7.7%0.083%
7/17/2025 Tritonpoint Wealth LLC40,777$833K0.1%-2.1%0.141%
7/9/2025 Harbor Capital Advisors Inc.20,399$417K0.0%+22.9%0.071%
7/9/2025 First Bank & Trust19,951$407K0.1%+31.8%0.069%
6/27/2025 Goldman Sachs Group Inc.175,325$3.51M0.0%-59.5%0.607%
6/3/2025 Inspire Investing LLC17,153$343K0.0%-62.5%0.059%
5/29/2025Rhumbline Advisers39,186$784K0.0%-1.8%0.136%
5/28/2025Strs Ohio18,300$366K0.0%N/A0.063%
5/27/2025Advisors Capital Management LLC201,687$4.04M0.1%+12.7%0.699%
5/21/2025Acadian Asset Management LLC676,066$13.53M0.0%+65.4%2.342%
5/19/2025Jane Street Group LLC30,676$614K0.0%-48.3%0.106%
5/16/2025Caxton Associates LLP16,440$329K0.0%N/A0.057%
5/16/2025Goldman Sachs Group Inc.175,325$3.51M0.0%-59.5%0.607%
5/16/2025Jones Financial Companies Lllp2,673$54K0.0%+10,592.0%0.009%
5/16/2025Dynamic Technology Lab Private Ltd21,235$425K0.1%+20.4%0.074%
5/16/2025Park West Asset Management LLC556,485$11.14M0.9%N/A1.927%
5/16/2025Parkman Healthcare Partners LLC350,551$7.02M0.8%+15.1%1.214%
5/16/2025Millennium Management LLC254,749$5.10M0.0%-53.6%0.882%
5/16/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.15,441$309K0.0%+4.4%0.053%
5/16/2025Jacobs Levy Equity Management Inc.21,299$426K0.0%-84.2%0.074%
5/16/2025AQR Capital Management LLC137,022$2.74M0.0%+548.9%0.475%
5/16/2025Amundi4,137$79K0.0%+15,811.5%0.014%
5/15/2025Birchview Capital LP88,404$1.77M1.5%+13.3%0.306%
5/15/2025Braidwell LP365,247$7.31M0.3%N/A1.265%
5/15/2025Cubist Systematic Strategies LLC237,698$4.76M0.0%+33.9%0.823%
5/15/2025Graham Capital Management L.P.68,385$1.37M0.0%+64.1%0.237%
5/15/2025Magnetar Financial LLC11,226$225K0.0%N/A0.039%
5/15/2025Trexquant Investment LP248,991$4.99M0.1%+22.3%0.862%
5/14/2025Oak Harvest Investment Services16,883$338K0.0%+118.5%0.058%
5/14/2025AlphaQuest LLC6,008$120K0.0%-41.3%0.021%
5/14/2025Advantage Alpha Capital Partners LP19,805$396K0.1%N/A0.069%
5/14/2025EntryPoint Capital LLC20,432$409K0.2%-29.9%0.071%
5/14/2025Quantbot Technologies LP15,287$306K0.0%N/A0.053%
5/14/2025Wellington Management Group LLP828,528$16.59M0.0%+14.7%2.870%
5/13/2025Algert Global LLC144,311$2.89M0.1%-3.5%0.500%
5/13/2025American Century Companies Inc.74,067$1.48M0.0%+7.1%0.257%
5/13/2025Russell Investments Group Ltd.18,669$373K0.0%+158.9%0.065%
5/12/2025Nuveen LLC671,811$13.45M0.0%N/A2.327%
5/12/2025Invesco Ltd.32,251$646K0.0%+17.1%0.112%
5/12/2025Connor Clark & Lunn Investment Management Ltd.176,889$3.54M0.0%+4.8%0.613%
5/12/2025Townsquare Capital LLC23,772$476K0.0%+7.1%0.082%
5/12/2025Swiss National Bank54,300$1.09M0.0%+5.8%0.188%
5/9/2025Deutsche Bank AG65,537$1.31M0.0%-3.1%0.227%
5/9/2025Charles Schwab Investment Management Inc.242,258$4.85M0.0%-6.4%0.839%
5/9/2025Vanguard Group Inc.2,047,565$40.99M0.0%+11.7%7.092%
5/8/2025Harbour Investments Inc.2,500$50K0.0%N/A0.009%
5/8/2025XTX Topco Ltd19,628$393K0.0%N/A0.068%
5/8/2025GSA Capital Partners LLP67,143$1.34M0.1%-5.2%0.233%
5/7/2025Mackenzie Financial Corp27,460$550K0.0%+30.6%0.095%
5/7/2025Zurcher Kantonalbank Zurich Cantonalbank12,081$242K0.0%-11.4%0.042%
5/6/2025Universal Beteiligungs und Servicegesellschaft mbH11,753$235K0.0%N/A0.041%
5/5/2025Allianz Asset Management GmbH639,477$12.80M0.0%+98.4%2.217%
5/5/2025Hussman Strategic Advisors Inc.21,000$420K0.1%-71.4%0.073%
(Data available from 1/1/2016 forward)

CSTL Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of CSTL shares?

During the previous two years, 179 institutional investors and hedge funds held shares of Castle Biosciences. The most heavily invested institutionals were Vanguard Group Inc. ($40.99M), Principal Financial Group Inc. ($29.39M), Dimensional Fund Advisors LP ($26.64M), Wasatch Advisors LP ($21.44M), Portolan Capital Management LLC ($20.70M), Bellevue Group AG ($19.88M), and State Street Corp ($19.39M).Learn more on Castle Biosciences' institutional investors.

What percentage of Castle Biosciences' stock is owned by institutional investors?

92.60% of Castle Biosciences' stock is owned by institutional investors. Learn more on CSTL's institutional investor holdings.

Which institutional investors have been buying Castle Biosciences' stock?

Of the 153 institutional investors that purchased Castle Biosciences' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Wellington Management Group LLP ($1.55M), Deerfield Management Company L.P. Series C ($946.62K), Braidwell LP ($822.74K), Nuveen LLC ($671.81K), Park West Asset Management LLC ($556.49K), Point72 Asset Management L.P. ($547.10K), and Acadian Asset Management LLC ($456.53K).

How much institutional buying is happening at Castle Biosciences?

Institutional investors have bought a total of 9,644,717 shares in the last 24 months. This purchase volume represents approximately $228.68M in transactions.

Which of Castle Biosciences' major shareholders have been selling company stock?

Of the 75 institutional investors that sold Castle Biosciences' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Wasatch Advisors LP ($531.85K), Bellevue Group AG ($516.05K), Goldman Sachs Group Inc. ($514.85K), Jacobs Levy Equity Management Inc. ($496.68K), Portolan Capital Management LLC ($479.05K), Soleus Capital Management L.P. ($409.42K), and Granahan Investment Management LLC ($314.40K).

How much institutional selling is happening at Castle Biosciences?

Institutional investors have sold a total of 5,395,558 shares in the last 24 months. This volume of shares sold represents approximately $133.98M in transactions.


Related Companies

This page (NASDAQ:CSTL) was last updated on 9/22/2025 by MarketBeat.com Staff
From Our Partners
He Called Nvidia at $1.10. Now, He Says THIS Stock Will…
The original Magnificent Seven returned 16,894%—turning $7K into $1.18 million. Now, the man who called Nvi...
The Oxford Club | Sponsoredtc pixel
Prepare for the “Mar-a-Lago Accord” Money Shock
Why Are Wall Street Insiders Moving Their Money to This ONE Asset? Something far more consequential for you...
Stansberry Research | Sponsoredtc pixel
Forget AI Stocks — This Device Will REPLACE the Microchip
While everyone's chasing the same AI plays, George Gilder is focused on something completely different. He ...
Banyan Hill Publishing | Sponsoredtc pixel
Nvidia Times 1,000,000
Nvidia’s latest AI chip is a $25,000 powerhouse — with 80 billion transistors and the ability to perform 60 tr...
Paradigm Press | Sponsoredtc pixel
Forget Tesla — This Tiny AI Stock Is Musk’s Real Play
While Wall Street focused on Tesla’s earnings, Elon Musk was quietly building a supercomputer so powerful it c...
Behind the Markets | Sponsoredtc pixel
The next AI Hype Spike is days away — don’t miss it
On this date, AI could trigger the kind of predictable surge that's already paid out 61%… 158%… and even 382% ...
Brownstone Research | Sponsoredtc pixel
$3,600 gold is nice ... but here’s what most gold bugs are missing
Gold just surged past $3,600, but Weiss Ratings expert Sean Brodrick says the real upside is in select gold st...
Weiss Ratings | Sponsoredtc pixel
Claim Your Share of $5.39 BILLION in AI Equity Checks
The U.S. government just took advantage of Public Law 81-774 to crack down on AI companies... In turn, enfo...
Angel Publishing | Sponsoredtc pixel