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Arcellx (ACLX) Institutional Ownership

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$71.14 -0.25 (-0.35%)
Closing price 08/1/2025 04:00 PM Eastern
Extended Trading
$71.08 -0.06 (-0.08%)
As of 08/1/2025 05:13 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.
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Institutional Ownership Changes (13F Filings) for Arcellx (NASDAQ:ACLX)

Current
Institutional Ownership
Percentage
96.03%
Number of
Institutional Buyers
(last 12 months)
135
Total
Institutional Inflows
(last 12 months)
$1.33B
Number of
Institutional Sellers
(last 12 months)
84
Total
Institutional Outflows
(last 12 months)
$432.82M
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ACLX Institutional Buying and Selling by Quarter

Arcellx Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/1/2025Teacher Retirement System of Texas8,883$585K0.0%+1.7%0.016%
7/31/2025 Sector Gamma AS25,000$1.65M0.5%-28.6%0.045%
7/28/2025 Allianz Asset Management GmbH9,200$606K0.0%-8.0%0.017%
7/28/2025 TD Asset Management Inc103,460$6.81M0.0%-38.5%0.188%
7/25/2025 Vanguard Personalized Indexing Management LLC3,428$226K0.0%+7.1%0.006%
7/21/2025 Mirae Asset Global Investments Co. Ltd.2,129$140K0.0%+15.8%0.004%
7/14/2025 Avanza Fonder AB1,219$80K0.0%-25.8%0.002%
7/14/2025 Atle Fund Management AB25,732$1.69M0.7%-41.7%0.047%
7/10/2025 High Net Worth Advisory Group LLC8,000$527K0.1%-5.9%0.015%
7/9/2025 Harbor Capital Advisors Inc.24,721$1.63M0.1%+8.3%0.045%
6/18/2025Voya Investment Management LLC277,102$18.18M0.0%+103.4%0.503%
5/29/2025Rhumbline Advisers63,751$4.18M0.0%+6.4%0.116%
5/28/2025Strs Ohio14,300$938K0.0%N/A0.026%
5/20/2025Intech Investment Management LLC21,967$1.44M0.0%+27.7%0.040%
5/19/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC264,756$17.37M0.0%-1.0%0.480%
5/16/2025Woodline Partners LP165,305$10.84M0.1%+31.6%0.300%
5/16/2025Empowered Funds LLC26,954$1.77M0.0%N/A0.049%
5/16/2025Goldman Sachs Group Inc.174,788$11.47M0.0%-39.7%0.317%
5/16/2025Parkman Healthcare Partners LLC67,390$4.42M0.5%+51.5%0.122%
5/16/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.28,753$1.89M0.0%+5.1%0.052%
5/16/2025Cormorant Asset Management LP1,050,000$68.88M5.2%-19.2%1.905%
5/16/2025AQR Capital Management LLC17,140$1.12M0.0%-15.3%0.031%
5/16/2025Advisors Asset Management Inc.8,861$581K0.0%+15.8%0.016%
5/16/2025Allostery Investments LP44,000$2.89M4.2%+25.7%0.080%
5/16/2025ADAR1 Capital Management LLC13,962$916K0.2%+252.4%0.025%
5/15/2025Vestal Point Capital LP2,387,720$156.63M11.2%+402.7%4.336%
5/15/2025RA Capital Management L.P.3,036,527$199.20M3.3%+8.9%5.514%
5/15/2025Dark Forest Capital Management LP71,070$4.66M0.2%+342.3%0.129%
5/15/2025Quarry LP2,900$190K0.0%N/A0.005%
5/15/2025Paradigm Biocapital Advisors LP4,492,032$294.68M13.9%+2.8%8.157%
5/15/2025Tema Etfs LLC28,450$1.87M0.6%+281.0%0.052%
5/14/2025Affinity Asset Advisors LLC530,000$34.77M3.3%+24.7%0.962%
5/14/2025Rafferty Asset Management LLC58,507$3.84M0.0%-17.6%0.106%
5/14/2025MetLife Investment Management LLC25,610$1.68M0.0%-1.7%0.047%
5/14/2025Price T Rowe Associates Inc. MD1,839,624$120.68M0.0%-13.3%3.340%
5/14/2025Martingale Asset Management L P11,405$748K0.0%-43.2%0.021%
5/14/2025Candriam S.C.A.70,538$4.63M0.0%-63.8%0.128%
5/14/2025T. Rowe Price Investment Management Inc.1,665,138$109.23M0.1%+135.9%3.024%
5/14/2025EntryPoint Capital LLC3,774$248K0.1%N/A0.007%
5/14/2025BI Asset Management Fondsmaeglerselskab A S761$50K0.0%N/A0.001%
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5/14/2025Hsbc Holdings PLC5,074$311K0.0%-20.5%0.009%
5/14/2025Wellington Management Group LLP18,439$1.21M0.0%-6.4%0.033%
5/13/2025Northern Trust Corp403,841$26.49M0.0%-1.7%0.733%
5/13/2025Raymond James Financial Inc.128,778$8.45M0.0%-1.4%0.234%
5/13/2025American Century Companies Inc.54,321$3.56M0.0%+84.5%0.099%
5/13/2025 Sector Gamma AS35,000$2.30M0.7%N/A0.064%
5/13/2025Lord Abbett & CO. LLC664,526$43.59M0.2%-31.8%1.207%
5/13/2025E Fund Management Co. Ltd.5,468$359K0.0%+8.3%0.010%
5/13/2025Russell Investments Group Ltd.152,023$9.97M0.0%-43.6%0.276%
5/12/2025Knott David M Jr15,000$984K0.5%N/A0.027%
5/12/2025Nuveen LLC111,786$7.33M0.0%N/A0.203%
5/12/2025Invesco Ltd.30,242$1.98M0.0%+13.9%0.055%
5/12/2025Covestor Ltd2,137$140K0.1%+47.6%0.004%
5/12/2025Swiss National Bank62,900$4.13M0.0%-0.8%0.114%
5/9/2025Deutsche Bank AG343,694$22.55M0.0%-0.2%0.624%
5/9/2025Charles Schwab Investment Management Inc.336,949$22.10M0.0%-1.8%0.612%
5/9/2025Vanguard Group Inc.3,985,156$261.43M0.0%+19.7%7.236%
5/8/2025 US Bancorp DE1,197$79K0.0%-80.1%0.002%
5/8/2025Decheng Capital LLC50,000$3.28M0.9%-40.7%0.091%
5/8/2025Federated Hermes Inc.46,224$3.03M0.0%-70.4%0.084%
5/7/2025Zurcher Kantonalbank Zurich Cantonalbank 9,579$628K0.0%-2.6%0.017%
5/7/2025 TD Asset Management Inc168,320$11.04M0.0%+2.7%0.306%
5/6/2025Neo Ivy Capital Management3,948$259K0.1%N/A0.007%
5/6/2025Readystate Asset Management LP45,058$2.96M0.1%N/A0.082%
5/5/2025 Allianz Asset Management GmbH10,000$656K0.0%-9.9%0.018%
5/5/2025 Atle Fund Management AB44,171$2.90M1.3%+5.0%0.080%
5/2/2025Victory Capital Management Inc.178,110$11.68M0.0%-3.3%0.323%
5/2/2025SBI Securities Co. Ltd.3,596$236K0.0%-12.8%0.007%
5/1/2025New York State Common Retirement Fund13,323$874K0.0%-34.2%0.024%
5/1/2025Xponance Inc.3,278$215K0.0%+6.2%0.006%
4/30/2025China Universal Asset Management Co. Ltd.11,021$723K0.1%-3.9%0.020%
4/29/2025Bank of New York Mellon Corp143,617$9.42M0.0%-0.5%0.261%
4/29/2025 GF Fund Management CO. LTD.1,384$91K0.0%+21.9%0.003%
4/28/2025Principal Financial Group Inc.3,495$229K0.0%-5.0%0.006%
4/28/2025Teacher Retirement System of Texas8,732$573K0.0%-8.6%0.016%
4/25/2025Amalgamated Bank1,508$99K0.0%+12.0%0.003%
4/24/2025 Allspring Global Investments Holdings LLC7,702$468K0.0%+54.0%0.014%
4/17/2025 Exchange Traded Concepts LLC1,751$115K0.0%-19.5%0.003%
4/15/2025 Avanza Fonder AB1,643$110K0.0%-31.5%0.003%
4/15/2025 GAMMA Investing LLC494$32K0.0%+104.1%0.001%
4/14/2025 Harbor Capital Advisors Inc.22,836$1.50M0.1%-2.7%0.042%
4/11/2025 Congress Asset Management Co.25,107$1.65M0.0%-0.8%0.046%
4/8/2025Rhumbline Advisers63,751$4.18M0.0%+6.4%0.116%
4/7/2025 GAMMA Investing LLC32,406$21.26M0.0%+13,290.9%0.059%
3/24/2025Wellington Management Group LLP19,693$1.51M0.0%-6.1%0.036%
3/18/2025California State Teachers Retirement System30,961$2.37M0.0%-0.7%0.056%
2/19/2025 GF Fund Management CO. LTD.1,135$87K0.0%N/A0.002%
2/17/2025UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC267,384$20.51M0.0%-5.5%0.494%
2/17/2025Voloridge Investment Management LLC178,198$13.67M0.0%+5.3%0.330%
2/17/2025Woodline Partners LP125,649$9.64M0.1%+13.2%0.232%
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2/17/2025Vestal Point Capital LP475,000$36.43M2.2%-29.6%0.878%
2/17/2025Soleus Capital Management L.P.121,031$9.28M0.6%+30.1%0.224%
2/17/2025Squarepoint Ops LLC5,330$409K0.0%-46.7%0.010%
2/17/2025Wexford Capital LP17,994$1.38M0.2%-46.2%0.033%
2/17/2025Two Sigma Advisers LP5,600$429K0.0%+24.4%0.010%
2/17/2025Two Sigma Investments LP6,900$529K0.0%-72.5%0.013%
2/17/2025Tema Etfs LLC7,468$573K0.2%N/A0.014%
2/17/2025Sherbrooke Park Advisers LLC3,805$292K0.1%N/A0.007%
2/17/2025Rafferty Asset Management LLC71,037$5.45M0.0%+27.4%0.131%
2/17/2025ProShare Advisors LLC14,700$1.13M0.0%+29.8%0.027%
(Data available from 1/1/2016 forward)

ACLX Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of ACLX shares?

During the previous two years, 195 institutional investors and hedge funds held shares of Arcellx. The most heavily invested institutionals were FMR LLC ($610.19M), Gilead Sciences Inc. ($515.42M), Paradigm Biocapital Advisors LP ($294.68M), Vanguard Group Inc. ($261.43M), Perceptive Advisors LLC ($214.68M), RA Capital Management L.P. ($199.20M), and SR One Capital Management LP ($163.21M).Learn more on Arcellx's institutional investors.

What percentage of Arcellx's stock is owned by institutional investors?

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

Which institutional investors have been buying Arcellx's stock?

Of the 165 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), Vestal Point Capital LP ($1.97M), Vanguard Group Inc. ($1.76M), FMR LLC ($1.48M), RA Capital Management L.P. ($1.43M), T. Rowe Price Investment Management Inc. ($959.22K), and Perceptive Advisors LLC ($753.49K).

How much institutional buying is happening at Arcellx?

Institutional investors have bought a total of 18,123,067 shares in the last 24 months. This purchase volume represents approximately $1.33B in transactions.

Which of Arcellx's major shareholders have been selling company stock?

Of the 84 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: Suvretta Capital Management LLC ($826.30K), Janus Henderson Group PLC ($454.86K), Paradigm Biocapital Advisors LP ($428.40K), Federated Hermes Inc. ($335.80K), Lord Abbett & CO. LLC ($310.31K), Price T Rowe Associates Inc. MD ($281.70K), and PFM Health Sciences LP ($251.38K).

How much institutional selling is happening at Arcellx?

Institutional investors have sold a total of 5,820,693 shares in the last 24 months. This volume of shares sold represents approximately $432.82M in transactions.


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This page (NASDAQ:ACLX) was last updated on 8/2/2025 by MarketBeat.com Staff
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