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Arcellx (ACLX) Institutional Ownership

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$87.62 +0.63 (+0.73%)
As of 09:32 AM Eastern
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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)
140
Total
Institutional Inflows
(last 12 months)
$1.44B
Number of
Institutional Sellers
(last 12 months)
99
Total
Institutional Outflows
(last 12 months)
$481.88M
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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
10/20/2025VIRGINIA RETIREMENT SYSTEMS ET Al3,100$255K0.0%N/A0.006%
10/15/2025 CWM LLC345$28K0.0%+267.0%0.001%
10/15/2025 Harbor Capital Advisors Inc.21,674$1.78M0.1%-12.3%0.039%
10/9/2025 Voya Investment Management LLC247,408$20.31M0.0%-10.3%0.446%
8/27/2025Squarepoint Ops LLC16,044$1.06M0.0%+371.9%0.029%
8/19/2025State of Wyoming425$28K0.0%N/A0.001%
8/15/2025Tower Research Capital LLC TRC 6,143$405K0.0%+105.0%0.011%
8/15/2025E Fund Management Co. Ltd.6,293$414K0.0%+15.1%0.011%
8/15/2025Soleus Capital Management L.P.123,031$8.10M0.5%-19.6%0.222%
8/15/2025Vestal Point Capital LP2,750,000$181.09M9.5%+15.2%4.959%
8/15/2025Rafferty Asset Management LLC56,371$3.71M0.0%-3.7%0.102%
8/15/2025Perceptive Advisors LLC2,478,000$163.18M14.5%-15.3%4.468%
8/15/2025Lazard Asset Management LLC735$48K0.0%-85.9%0.001%
8/15/2025BNP Paribas Financial Markets75,429$4.97M0.0%+70.1%0.136%
8/15/2025Brevan Howard Capital Management LP14,436$951K0.0%N/A0.026%
8/15/2025Balyasny Asset Management L.P.54,792$3.61M0.0%N/A0.099%
8/15/2025Bamco Inc. NY518,009$34.11M0.1%+10.9%0.934%
8/15/2025Bank of America Corp DE262,355$17.28M0.0%+60.3%0.473%
8/15/2025Ameriprise Financial Inc.121,518$8.00M0.0%+119.2%0.219%
8/14/2025Samsara Biocapital LLC101,457$6.68M1.4%-25.0%0.183%
8/14/2025California State Teachers Retirement System30,087$1.98M0.0%-0.8%0.054%
8/14/2025Raymond James Financial Inc.134,047$8.83M0.0%+4.1%0.242%
8/14/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.22,818$1.50M0.0%-20.6%0.041%
8/14/2025The Manufacturers Life Insurance Company 60,155$3.96M0.0%-30.7%0.108%
8/14/2025Squarepoint Ops LLC16,044$1.06M0.0%+371.9%0.029%
8/14/2025HighVista Strategies LLC35,714$2.35M0.9%-24.8%0.064%
8/14/2025Stempoint Capital LP201,452$13.27M4.2%-26.4%0.363%
8/14/2025Qube Research & Technologies Ltd11,772$775K0.0%-93.2%0.021%
8/14/2025State Street Corp1,592,313$104.85M0.0%-4.4%2.871%
8/14/2025Federated Hermes Inc.26,935$1.77M0.0%-41.7%0.049%
8/13/2025Affinity Asset Advisors LLC495,000$32.60M4.5%-6.6%0.893%
8/13/2025Tema Etfs LLC33,869$2.23M0.6%+19.0%0.061%
8/13/2025Marshall Wace LLP111,808$7.36M0.0%+626.0%0.202%
8/13/2025Decheng Capital LLC547,609$36.06M8.4%+995.2%0.987%
8/13/2025Invesco Ltd.31,681$2.09M0.0%+4.8%0.057%
8/13/2025New York State Common Retirement Fund17,815$1.17M0.0%+33.7%0.032%
8/13/2025Schroder Investment Management Group60,000$3.95M0.0%N/A0.108%
8/13/2025Virtus Investment Advisers LLC1,414$93K0.0%-28.2%0.003%
8/13/2025Norges Bank11,221$739K0.0%N/A0.020%
8/13/2025Russell Investments Group Ltd.128,065$8.43M0.0%-15.8%0.231%
8/13/2025Rhenman & Partners Asset Management AB67,250$4.43M0.6%+54.6%0.121%
8/12/2025XTX Topco Ltd16,787$1.11M0.0%N/A0.030%
8/12/2025Ameritas Investment Partners Inc.3,738$246K0.0%-14.4%0.007%
8/12/2025Jefferies Financial Group Inc.13,000$856K0.0%N/A0.024%
8/12/2025Prudential Financial Inc.4,900$323K0.0%+49.2%0.009%
8/12/2025American Century Companies Inc.431,466$28.41M0.0%+694.3%0.783%
8/12/2025Rhumbline Advisers55,140$3.63M0.0%-13.5%0.100%
8/12/2025Franklin Resources Inc.14,020$923K0.0%-48.1%0.025%
8/12/2025Legal & General Group Plc34,812$2.29M0.0%-16.3%0.063%
8/12/2025JPMorgan Chase & Co.976,968$64.33M0.0%+42.9%1.773%
8/11/2025Knott David M Jr25,700$1.69M0.8%+71.3%0.047%
8/8/2025Intech Investment Management LLC16,480$1.09M0.0%-25.0%0.030%
8/8/2025Creative Planning8,492$559K0.0%-44.9%0.015%
8/8/2025SG Americas Securities LLC5,315$350K0.0%N/A0.010%
8/8/2025Police & Firemen s Retirement System of New Jersey8,461$557K0.0%-11.4%0.015%
8/8/2025Geode Capital Management LLC961,778$63.34M0.0%-5.8%1.745%
8/8/2025PNC Financial Services Group Inc.751$49K0.0%+183.4%0.001%
8/8/2025KBC Group NV1,056$70K0.0%-29.5%0.002%
8/8/2025SBI Securities Co. Ltd.3,455$228K0.0%-3.9%0.006%
8/7/2025ProShare Advisors LLC9,565$630K0.0%-19.9%0.017%
8/7/2025Profund Advisors LLC11,887$783K0.0%-4.1%0.022%
8/7/2025Connor Clark & Lunn Investment Management Ltd.8,545$563K0.0%N/A0.016%
8/5/2025Bank of New York Mellon Corp132,069$8.70M0.0%-8.0%0.240%
8/5/2025Pier Capital LLC63,634$4.19M0.6%-6.4%0.115%
8/4/2025Amalgamated Bank1,249$82K0.0%-17.2%0.002%
8/1/2025Teacher Retirement System of Texas8,883$585K0.0%+1.7%0.016%
7/31/2025Sector Gamma AS25,000$1.65M0.5%-28.6%0.045%
7/28/2025Allianz Asset Management GmbH9,200$606K0.0%-8.0%0.017%
7/28/2025TD Asset Management Inc103,460$6.81M0.0%-38.5%0.188%
7/25/2025Vanguard Personalized Indexing Management LLC3,428$226K0.0%+7.1%0.006%
7/21/2025Mirae 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%
7/14/2025Atle Fund Management AB25,732$1.69M0.7%-41.7%0.047%
7/10/2025High 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%
6/18/2025 Voya 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%
(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, 204 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), RA Capital Management L.P. ($199.20M), Vestal Point Capital LP ($181.09M), 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 169 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 ($2.34M), 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 ($578.83K).

How much institutional buying is happening at Arcellx?

Institutional investors have bought a total of 19,706,915 shares in the last 24 months. This purchase volume represents approximately $1.44B in transactions.

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

Of the 99 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), Perceptive Advisors LLC ($448.48K), Paradigm Biocapital Advisors LP ($428.40K), Lord Abbett & CO. LLC ($310.31K), State Street Corp ($284.86K), and Price T Rowe Associates Inc. MD ($281.70K).

How much institutional selling is happening at Arcellx?

Institutional investors have sold a total of 6,492,607 shares in the last 24 months. This volume of shares sold represents approximately $481.88M in transactions.


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This page (NASDAQ:ACLX) was last updated on 10/21/2025 by MarketBeat.com Staff
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