Free Trial
→ Here’s How to Claim Your Stake in Elon’s Private Company, xAI (From Brownstone Research) (Ad) Buy CSTL Stock  Free CSTL Stock Alerts

Castle Biosciences (CSTL) Institutional Ownership

Castle Biosciences logo
$20.63 -0.30 (-1.43%)
Closing price 04/25/2025 04:00 PM Eastern
Extended Trading
$20.60 -0.03 (-0.15%)
As of 04/25/2025 04:22 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)
101
Total
Institutional Inflows
(last 12 months)
$158.93M
Number of
Institutional Sellers
(last 12 months)
60
Total
Institutional Outflows
(last 12 months)
$120.89M
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.

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
4/24/2025 Allspring Global Investments Holdings LLC217,794$4.36M0.0%+2,070.8%0.755%
4/16/2025 Tritonpoint Wealth LLC41,637$834K0.1%-10.7%0.144%
4/14/2025 Harbor Capital Advisors Inc.16,595$332K0.0%-86.0%0.058%
4/8/2025 Rhumbline Advisers39,186$784K0.0%-1.8%0.136%
4/7/2025 Summit Global Investments30,640$613K0.0%+7.6%0.106%
4/7/2025 GAMMA Investing LLC4,364$87K0.0%+1,865.8%0.015%
3/24/2025Wellington Management Group LLP722,120$19.24M0.0%N/A2.578%
2/20/2025Mackenzie Financial Corp21,020$560K0.0%N/A0.075%
2/19/2025Public Employees Retirement System of Ohio74,132$1.98M0.0%-16.6%0.265%
2/17/2025UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC66,018$1.76M0.0%+18.9%0.236%
2/17/2025Soleus Capital Management L.P.252,917$6.74M0.4%-61.8%0.903%
2/17/2025Squarepoint Ops LLC17,317$461K0.0%-51.2%0.062%
2/17/2025Two Sigma Advisers LP11,500$306K0.0%N/A0.041%
2/17/2025Sherbrooke Park Advisers LLC12,372$330K0.1%-12.6%0.044%
2/17/2025Silvercrest Asset Management Group LLC199,950$5.33M0.0%-1.0%0.714%
2/17/2025Point72 Asset Management L.P.547,104$14.58M0.0%+9.6%1.953%
2/17/2025ProShare Advisors LLC8,613$230K0.0%N/A0.031%
2/17/2025Parkman Healthcare Partners LLC304,629$8.12M1.1%+2.9%1.088%
2/17/2025Man Group plc13,302$354K0.0%N/A0.047%
2/17/2025Nuveen Asset Management LLC465,526$12.41M0.0%-14.2%1.662%
2/17/2025Millennium Management LLC548,809$14.63M0.0%+290.5%1.959%
2/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.14,786$394K0.0%+4.3%0.053%
2/17/2025Jacobs Levy Equity Management Inc.134,782$3.59M0.0%-72.9%0.481%
2/17/2025Graham Capital Management L.P.41,676$1.11M0.0%+165.9%0.149%
2/17/2025Granahan Investment Management LLC110,824$2.95M0.1%-73.9%0.396%
2/17/2025D. E. Shaw & Co. Inc.90,563$2.41M0.0%N/A0.323%
2/17/2025Deutsche Bank AG67,667$1.80M0.0%+12.5%0.242%
2/17/2025Cresset Asset Management LLC12,405$331K0.0%-15.8%0.044%
2/17/2025Cubist Systematic Strategies LLC177,537$4.73M0.0%-6.8%0.634%
2/17/2025Centiva Capital LP23,015$613K0.0%+18.8%0.082%
2/17/2025Captrust Financial Advisors215,322$5.74M0.0%+2,567.5%0.769%
2/17/2025Bellevue Group AG745,982$19.88M0.4%-40.9%2.663%
2/17/2025Bank of America Corp DE403,553$10.76M0.0%+100.0%1.441%
2/17/2025BNP Paribas Financial Markets249,128$6.64M0.0%N/A0.889%
2/17/2025Ameriprise Financial Inc.316,036$8.42M0.0%-9.5%1.128%
2/17/2025Algert Global LLC149,491$3.98M0.1%+11.3%0.534%
2/14/2025Jane Street Group LLC59,383$1.58M0.0%-59.2%0.212%
2/14/2025Schonfeld Strategic Advisors LLC15,300$408K0.0%-72.7%0.055%
2/14/2025Northern Trust Corp284,587$7.58M0.0%+8.7%1.016%
2/14/2025The Manufacturers Life Insurance Company 9,467$252K0.0%-4.6%0.034%
Here’s How to Claim Your Stake in Elon’s Private Company, xAI (Ad)

Elon Musk has done it again. He’s developed a powerful new AI model that’s already turning heads — and turning the industry upside down. Some say it could threaten Google’s search engine dominance. Others believe it could mark the beginning of the end for ChatGPT.

This could be your shot to invest alongside Elon Musk — before the public ever gets the chance.
2/14/2025Tudor Investment Corp ET AL70,076$1.87M0.0%+41.6%0.250%
2/14/2025Aquatic Capital Management LLC20,218$539K0.0%N/A0.072%
2/14/2025Birchview Capital LP78,000$2.08M1.7%+34.5%0.278%
2/14/2025Nebula Research & Development LLC26,674$711K0.1%N/A0.095%
2/14/2025Voya Investment Management LLC7,876$210K0.0%-7.8%0.028%
2/14/2025Price T Rowe Associates Inc. MD22,697$605K0.0%+8.8%0.081%
2/14/2025Hsbc Holdings PLC19,673$519K0.0%-14.9%0.070%
2/14/2025Tower Research Capital LLC TRC 11,265$300K0.0%+201.1%0.040%
2/14/2025MetLife Investment Management LLC16,017$427K0.0%+11.4%0.057%
2/14/2025Natixis19,600$522K0.0%N/A0.070%
2/14/2025Dimensional Fund Advisors LP999,466$26.64M0.0%+15.6%3.568%
2/14/2025Alpha DNA Investment Management LLC15,174$404K0.2%-9.5%0.054%
2/13/2025CANADA LIFE ASSURANCE Co10,713$285K0.0%-19.0%0.038%
2/13/2025Wasatch Advisors LP1,796,088$47.87M0.2%-1.6%6.412%
2/13/2025Jump Financial LLC11,400$304K0.0%-68.5%0.041%
2/13/2025Portolan Capital Management LLC776,579$20.70M1.4%-38.2%2.773%
2/13/2025Barclays PLC49,013$1.31M0.0%-6.3%0.175%
2/13/2025Advisors Capital Management LLC178,935$4.77M0.1%+6.6%0.639%
2/13/2025Townsquare Capital LLC22,188$591K0.0%-4.6%0.079%
2/13/2025Next Century Growth Investors LLC235,214$6.27M0.5%+0.5%0.840%
2/13/2025Covestor Ltd936$25K0.0%N/A0.003%
2/13/2025Renaissance Technologies LLC685,000$18.26M0.0%+39.9%2.446%
2/13/2025Legal & General Group Plc25,952$692K0.0%-19.7%0.093%
2/13/2025Invesco Ltd.27,534$734K0.0%+2.3%0.098%
2/13/2025Russell Investments Group Ltd.7,212$192K0.0%-71.6%0.026%
2/13/2025Envestnet Asset Management Inc.73,344$1.96M0.0%+8.8%0.262%
2/13/2025Dynamic Technology Lab Private Ltd17,630$470K0.1%-59.8%0.063%
2/13/2025Wells Fargo & Company MN15,375$410K0.0%+29.0%0.055%
2/12/2025ExodusPoint Capital Management LP11,484$306K0.0%-74.1%0.041%
2/12/2025Trexquant Investment LP203,571$5.43M0.1%+27.5%0.727%
2/12/2025Geode Capital Management LLC628,196$16.75M0.0%+0.6%2.243%
2/12/2025Franklin Resources Inc.73,637$1.96M0.0%+6.1%0.263%
2/12/2025Wellington Management Group LLP722,120$19.24M0.0%N/A2.578%
2/12/2025Arrowstreet Capital Limited Partnership28,903$770K0.0%N/A0.103%
2/12/2025Orion Portfolio Solutions LLC68,316$1.82M0.0%-5.6%0.244%
2/12/2025JPMorgan Chase & Co.107,936$2.88M0.0%+55.5%0.385%
2/11/2025EntryPoint Capital LLC29,144$777K0.3%+214.0%0.104%
2/11/2025Corebridge Financial Inc.12,860$343K0.0%-7.0%0.046%
2/11/2025Perkins Capital Management Inc.34,165$910K0.8%+4.7%0.122%
2/11/2025Vanguard Group Inc.1,832,535$48.84M0.0%+4.8%6.542%
2/11/2025LPL Financial LLC23,043$614K0.0%-12.9%0.082%
2/11/2025Fox Run Management L.L.C.10,716$286K0.1%N/A0.038%
2/11/2025KLP Kapitalforvaltning AS4,800$128K0.0%N/A0.017%
2/11/2025Sei Investments Co.41,491$1.11M0.0%+9.6%0.148%
2/11/2025American Century Companies Inc.69,175$1.84M0.0%+28.1%0.247%
2/11/2025 Summit Global Investments28,476$759K0.0%-6.5%0.102%
2/11/2025Teacher Retirement System of Texas9,475$253K0.0%N/A0.034%
2/11/2025Intech Investment Management LLC11,578$309K0.0%+39.8%0.041%
2/10/2025Counterpoint Mutual Funds LLC13,587$362K0.0%+52.7%0.049%
2/10/2025Connor Clark & Lunn Investment Management Ltd.168,713$4.50M0.0%+2.0%0.602%
Here’s How to Claim Your Stake in Elon’s Private Company, xAI (Ad)

I predict this single breakthrough could make Elon the world’s first trillionaire — and mint more new millionaires than any tech advance in history. And for a limited time, you have the chance to claim a stake in this project, even though it’s housed inside Elon’s private company, xAI.

All the details are waiting for you now — but you need to act before the May 1st funding window clos
2/7/2025AlphaQuest LLC10,231$273K0.0%+136.9%0.037%
2/7/2025Lisanti Capital Growth LLC46,265$1.23M0.3%-70.1%0.165%
2/6/2025Assetmark Inc.4,412$118K0.0%-15.3%0.016%
2/6/2025Charles Schwab Investment Management Inc.258,866$6.90M0.0%-5.8%0.924%
2/5/2025Bailard Inc.9,900$264K0.0%+12.5%0.035%
2/5/2025US Bancorp DE1,202$32K0.0%-74.0%0.004%
2/4/2025Bank of New York Mellon Corp84,459$2.25M0.0%+10.3%0.302%
2/4/2025Y Intercept Hong Kong Ltd21,839$582K0.0%-9.8%0.078%
2/3/2025Hussman Strategic Advisors Inc.73,500$1.96M0.6%N/A0.262%
2/3/2025First Bank & Trust8,624$230K0.0%-5.9%0.031%
(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, 170 institutional investors and hedge funds held shares of Castle Biosciences. The most heavily invested institutionals were Vanguard Group Inc. ($48.84M), Wasatch Advisors LP ($47.87M), Principal Financial Group Inc. ($38.26M), Dimensional Fund Advisors LP ($26.64M), Portolan Capital Management LLC ($20.70M), Bellevue Group AG ($19.88M), and State Street Corp ($19.39M).Learn more on CSTL's 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 142 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: Granahan Investment Management LLC ($1.49M), Wellington Management Group LLP ($1.44M), Deerfield Management Company L.P. Series C ($946.62K), Principal Financial Group Inc. ($755.61K), Point72 Asset Management L.P. ($547.10K), Millennium Management LLC ($408.27K), and Renaissance Technologies LLC ($292.24K).

How much institutional buying is happening at Castle Biosciences?

Institutional investors have bought a total of 12,078,018 shares in the last 24 months. This purchase volume represents approximately $259.27M in transactions.

Which Castle Biosciences major shareholders have been selling company stock?

Of the 77 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 ($1.00M), Portolan Capital Management LLC ($806.12K), Yu Fan ($714.50K), Granahan Investment Management LLC ($635.60K), Bellevue Group AG ($528.34K), Soleus Capital Management L.P. ($409.42K), and Stonepine Capital Management LLC ($401.78K).

How much institutional selling is happening at Castle Biosciences?

Institutional investors have sold a total of 6,985,513 shares in the last 24 months. This volume of shares sold represents approximately $167.79M in transactions.


Related Companies

This page (NASDAQ:CSTL) was last updated on 4/26/2025 by MarketBeat.com Staff
From Our Partners
Trump’s tariffs just split the AI market in two
Trump’s tariff just split the AI market – among others – in two. One group of AI companies—the ones relying...
Traders Agency | Sponsored
Gold Alert: The Truth About Fort Knox Is Coming
Owning physical gold isn’t the best way to profit. I’ve found a better way to invest in gold—one that’s alr...
Golden Portfolio | Sponsored
$2 Trillion Disappears Because of Fed's Secretive New Move
$2 trillion has disappeared from the US government's books. The reason why is a new, secretive move being c...
Stansberry Research | Sponsored
Why Elon put $51 million into this
Why Elon Musk Just Invested $51 Million Into Brand New “Miracle Metal” Developed by MIT Scientists
True Market Insiders | Sponsored
James Altucher: Do not invest in AI unless…
I made millions during the crypto boom. Many “experts” are now saying… Artificial Intelligence opportuni...
Paradigm Press | Sponsored
URGENT: This Altcoin Opportunity Won’t Wait – Act Now
The July 23rd Crypto Trigger Could Mark the Beginning of Bitcoin’s Next Big Move Bitcoin’s early 2024 ETF r...
Crypto Swap Profits | Sponsored
It’s absolute chaos in Silicon Valley right now…
If you missed out on the big boom in Nvidia… Listen up, because according to Nvidia's own CEO… Elon Musk...
Brownstone Research | Sponsored
Trump’s treachery
Forget what the media tells you. Trump’s inner circle may be pushing a financial reset that mirrors moves from...
Porter & Company | Sponsored