Free Trial
→ The cat is out the bag (From Porter & Company) (Ad)tc pixel Free ACLX Stock Alerts

Arcellx (ACLX) Institutional Ownership

Arcellx logo
$115.07 0.00 (0.00%)
As of 04/28/2026
Compare

Institutional Ownership Changes (13F Filings) for Arcellx (NASDAQ:ACLX)

Current
Institutional Ownership
Percentage
96.03%
Number of
Institutional Buyers
(last 12 months)
137
Total
Institutional Inflows
(last 12 months)
$1.22B
Number of
Institutional Sellers
(last 12 months)
99
Total
Institutional Outflows
(last 12 months)
$755.48M
Get ACLX Insider Trade Alerts

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

Subscribe Now
SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. 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

ACLX Institutional Buying and Selling by Quarter

Arcellx Major Shareholders & Ownership History

Export
Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/8/2026PNC Financial Services Group Inc.580$67K0.0%+36.5%0.001%
5/7/2026 Kapitalo Investimentos Ltda7,978$916K0.2%N/A0.014%
5/7/2026 Meeder Advisory Services Inc.1,928$221K0.0%N/A0.003%
5/5/2026 Marks Group Wealth Management Inc3,180$365K0.0%-29.7%0.005%
5/5/2026 Bank of New York Mellon Corp143,099$16.43M0.0%+16.2%0.245%
5/4/2026 ABC Arbitrage SA30,347$3.48M0.5%N/A0.052%
5/4/2026 Principal Financial Group Inc.2,764$317K0.0%N/A0.005%
5/1/2026 Fifth Third Bancorp382$44K0.0%N/A0.001%
4/29/2026 Credit Industriel ET Commercial134,648$15.46M1.2%N/A0.230%
4/28/2026 Abel Hall LLC2,602$299K0.1%N/A0.004%
4/28/2026 Praxis Investment Management Inc.1,888$217K0.0%N/A0.003%
4/27/2026 Chicago Capital Management LLC92,951$10.67M0.0%N/A0.159%
4/25/2026 Strs Ohio4,300$494K0.0%-74.5%0.007%
4/24/2026 Deltec Asset Management LLC3,750$431K0.1%N/A0.006%
4/22/2026 Pictet Asset Management Holding SA4,229$486K0.0%-98.8%0.007%
4/16/2026 SG Americas Securities LLC24,713$2.84M0.0%+105.2%0.042%
2/19/2026T. Rowe Price Investment Management Inc.10,560,425$688.54M0.4%+66.2%18.264%
2/19/2026Invesco Ltd.40,372$2.63M0.0%+19.9%0.070%
2/18/2026Mercer Global Advisors Inc. ADV4,107$268K0.0%+19.0%0.007%
2/18/2026XTX Topco Ltd72,583$4.73M0.1%N/A0.126%
2/18/2026Vestal Point Capital LP2,925,000$190.71M6.5%+134.0%5.059%
2/18/2026Virtus Investment Advisers LLC3,701$241K0.1%+116.3%0.006%
2/18/2026Wellington Management Group LLP214,776$14.00M0.0%-7.5%0.371%
2/18/2026Tudor Investment Corp ET AL46,029$3.00M0.0%N/A0.080%
2/18/2026Twinbeech Capital LP6,949$453K0.0%N/A0.012%
2/18/2026Perceptive Advisors LLC1,466,071$95.59M1.7%-40.6%2.536%
2/18/2026Millennium Management LLC8,821$575K0.0%-78.1%0.015%
2/18/2026Man Group plc3,322$217K0.0%N/A0.006%
2/18/2026Janus Henderson Group PLC919,578$59.96M0.0%-9.3%1.590%
2/18/2026Catalio Capital Management LP156,109$10.18M1.9%N/A0.270%
2/18/2026Clough Capital Partners L P129,780$8.46M0.8%N/A0.224%
2/18/2026Bamco Inc. NY609,697$39.75M0.1%+10.8%1.054%
2/17/2026Guggenheim Capital LLC8,538$557K0.0%+4.5%0.015%
2/17/2026Logos Global Management LP115,000$7.50M0.5%-30.3%0.199%
2/17/2026Samsara Biocapital LLC60,873$3.97M0.4%-25.0%0.105%
2/17/2026Schonfeld Strategic Advisors LLC99,131$6.46M0.0%-80.2%0.171%
2/17/2026AQR Capital Management LLC7,960$519K0.0%-74.9%0.014%
2/17/2026RA Capital Management L.P.1,267,156$82.62M0.8%-58.3%2.191%
2/17/2026Paradigm Biocapital Advisors LP5,724,016$373.21M9.5%+23.1%9.899%
2/17/2026Trexquant Investment LP14,915$972K0.0%N/A0.026%
2/17/2026Price T Rowe Associates Inc. MD1,610,801$105.03M0.0%+27.4%2.786%
2/17/2026T. Rowe Price Investment Management Inc.5,653,523$368.61M0.4%-11.0%9.777%
2/17/2026Rock Springs Capital Management LP169,859$11.08M0.6%-5.1%0.294%
2/17/2026Integral Health Asset Management LLC200,000$13.04M0.6%+33.3%0.346%
2/17/2026California State Teachers Retirement System27,115$1.77M0.0%-9.9%0.047%
2/17/2026Russell Investments Group Ltd.130,520$8.51M0.0%-9.1%0.226%
2/17/2026State of Wisconsin Investment Board20,918$1.36M0.0%-5.9%0.036%
2/17/2026ExodusPoint Capital Management LP217,424$14.18M0.1%+2,201.8%0.376%
2/17/2026Royal Bank of Canada1,010$66K0.0%-98.4%0.002%
2/16/2026Squarepoint Ops LLC49,875$3.25M0.0%N/A0.086%
2/16/2026Mariner LLC3,113$206K0.0%-57.4%0.005%
2/16/2026Barclays PLC196,772$12.83M0.0%+82.8%0.340%
2/13/2026Marshall Wace LLP8,442$550K0.0%N/A0.015%
2/13/2026The Manufacturers Life Insurance Company 57,251$3.67M0.0%+6.3%0.099%
2/13/2026Affinity Asset Advisors LLC523,725$34.15M1.9%+4.7%0.906%
2/13/2026Hudson Bay Capital Management LP400,942$26.14M0.1%N/A0.693%
2/13/2026Rafferty Asset Management LLC69,515$4.53M0.0%+41.2%0.120%
2/13/2026First Trust Advisors LP20,896$1.36M0.0%N/A0.036%
2/13/2026Headlands Technologies LLC7,320$477K0.0%N/A0.013%
2/13/2026Charles Schwab Investment Management Inc.339,813$22.16M0.0%+2.8%0.588%
2/13/2026 Police & Firemen s Retirement System of New Jersey9,074$592K0.0%-5.9%0.016%
2/13/2026State Street Corp1,998,503$130.30M0.0%+31.0%3.456%
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC161,035$10.50M0.0%-4.5%0.279%
2/13/2026Wells Fargo & Company MN54,260$3.54M0.0%+57.6%0.094%
2/13/2026Lord Abbett & CO. LLC449,634$29.32M0.1%+6.0%0.778%
2/13/2026Rhenman & Partners Asset Management AB133,500$8.70M0.8%+104.6%0.231%
2/12/2026Advisors Asset Management Inc.4,670$304K0.0%-42.2%0.008%
2/12/2026MetLife Investment Management LLC19,344$1.26M0.0%-3.4%0.033%
2/12/2026 Dimensional Fund Advisors LP8,903$580K0.0%-89.3%0.015%
2/12/2026Jasper Ridge Partners L.P.13,947$909K0.0%-7.7%0.024%
2/12/2026 New York State Common Retirement Fund11,623$758K0.0%-42.9%0.020%
2/12/2026 Swiss National Bank54,700$3.57M0.0%+2.4%0.095%
2/12/2026 Nuveen LLC81,944$5.34M0.0%-1.8%0.142%
2/11/2026 Deutsche Bank AG233,592$15.23M0.0%-41.5%0.404%
2/11/2026 Marks Group Wealth Management Inc4,524$295K0.0%N/A0.008%
2/11/2026 LPL Financial LLC9,622$627K0.0%-4.0%0.017%
2/11/2026Franklin Resources Inc.10,131$661K0.0%-24.0%0.018%
2/10/2026TD Asset Management Inc300,856$19.62M0.0%+29.3%0.520%
2/10/2026Norges Bank16,707$1.09M0.0%N/A0.029%
2/10/2026AJU IB Investment Co. Ltd.223,486$14.57M76.0%-78.7%0.387%
2/10/2026Intech Investment Management LLC15,031$980K0.0%+22.7%0.026%
2/9/2026Geode Capital Management LLC958,057$62.48M0.0%+3.4%1.657%
2/9/2026 Fisher Asset Management LLC322,855$21.05M0.0%N/A0.558%
2/6/2026Advisory Alpha LLC3,313$216K0.0%+10.4%0.006%
2/6/2026 PSP Research LLC8,224$536K0.5%N/A0.014%
2/6/2026Atle Fund Management AB41,717$2.72M0.9%+62.1%0.072%
2/6/2026 Handelsbanken Fonder AB13,000$848K0.0%+12.1%0.022%
2/6/2026 Profund Advisors LLC25,740$1.68M0.1%+138.7%0.045%
2/6/2026 ProShare Advisors LLC8,818$575K0.0%+12.6%0.015%
2/4/2026VIRGINIA RETIREMENT SYSTEMS ET Al4,000$261K0.0%+29.0%0.007%
2/3/2026Pier Capital LLC59,063$3.85M0.6%-1.9%0.102%
2/3/2026 SBI Securities Co. Ltd.3,516$229K0.0%+4.6%0.006%
2/2/2026 Strs Ohio16,869$1.10M0.0%-21.8%0.029%
1/30/2026 State of New Jersey Common Pension Fund D9,465$617K0.0%N/A0.016%
1/29/2026 Pictet Asset Management Holding SA342,612$22.34M0.0%-18.6%0.593%
1/29/2026 UBS Group AG316,612$20.64M0.0%+67.2%0.548%
1/29/2026Vanguard Group Inc.4,081,519$266.12M0.0%+4.5%7.059%
1/29/2026 China Universal Asset Management Co. Ltd.9,422$614K0.0%-3.1%0.016%
1/28/2026 Arizona State Retirement System7,613$496K0.0%-6.3%0.013%
1/26/2026 Mirae Asset Global Investments Co. Ltd.2,810$183K0.0%+31.1%0.005%


ACLX Institutional Ownership - Frequently Asked Questions

During the previous two years, 240 institutional investors and hedge funds held shares of Arcellx. The most heavily invested institutionals were T. Rowe Price Investment Management Inc. ($688.54M), FMR LLC ($610.19M), Gilead Sciences Inc. ($515.42M), Paradigm Biocapital Advisors LP ($373.21M), Vanguard Group Inc. ($266.12M), Vestal Point Capital LP ($190.71M), and SR One Capital Management LP ($163.21M).Learn more on Arcellx's institutional investors.

96.03% of Arcellx's stock is owned by institutional investors. Learn more on ACLX's institutional investor holdings.

Of the 201 institutional investors that purchased Arcellx's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Gilead Sciences Inc. ($6.72M), T. Rowe Price Investment Management Inc. ($5.17M), Vestal Point Capital LP ($3.95M), Vanguard Group Inc. ($1.86M), FMR LLC ($1.48M), RA Capital Management L.P. ($1.43M), and Paradigm Biocapital Advisors LP ($1.20M).

Institutional investors have bought a total of 18,162,279 shares in the last 24 months. This purchase volume represents approximately $1.22B in transactions.

Of the 97 institutional investors that sold Arcellx's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: RA Capital Management L.P. ($1.77M), Vestal Point Capital LP ($1.50M), Perceptive Advisors LLC ($1.45M), AJU IB Investment Co. Ltd. ($824.07K), T. Rowe Price Investment Management Inc. ($698.83K), Pictet Asset Management Holding SA ($416.58K), and Schonfeld Strategic Advisors LLC ($401.18K).

Institutional investors have sold a total of 10,649,616 shares in the last 24 months. This volume of shares sold represents approximately $755.48M in transactions.


Related Companies

This page (NASDAQ:ACLX) was last updated on 5/8/2026 by MarketBeat.com Staff.
From Our Partners
Your book attached
Your Download Link (Expiring) If you still haven't downloaded the free Simple Options Trading For Beginners...
Profits Run | Sponsoredtc pixel
Collect $1,170 a month from silver
I've Rarely Seen This With Silver This combination - 20% dividends + 68% share appreciation - never happens...
Investors Alley | Sponsoredtc pixel
SpaceX eyes a 1.75 trillion valuation - here's what to know
Elon Musk's team has quietly filed confidential paperwork with the SEC for what Bloomberg estimates could be a...
Brownstone Research | Sponsoredtc pixel
Massive Data Leak Exposes 512,000-Line Code That Could Change Society Forever
"You won't believe what I discovered at 4 World Trade Center" When our financial media correspondent travel...
Chaikin Analytics | Sponsoredtc pixel
"Computers are about to become obsolete" - George Gilder. Here’s why.
George Gilder predicted the iPhone 16 years early, called Netflix a decade before it dominated streaming, and ...
Eagle Publishing | Sponsoredtc pixel
SpaceX IPO hides a much bigger story
The SpaceX IPO could be the biggest in history at $1.75 trillion - but the real story isn't the IPO itself. ...
Weiss Ratings | Sponsoredtc pixel
My feud with Zohran Mamdani
Emmy-winning analyst releases his next big story Whitney Tilson shocked the nation on 60 Minutes when he ac...
Stansberry Research | Sponsoredtc pixel
The $25 trillion opportunity unfolding now
Wall Street is calling it a 25 trillion revolution - and it's already underway. Driven by a breakthrough techn...
The Oxford Club | Sponsoredtc pixel