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Arcellx (ACLX) Institutional Ownership

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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)
138
Total
Institutional Inflows
(last 12 months)
$1.03B
Number of
Institutional Sellers
(last 12 months)
90
Total
Institutional Outflows
(last 12 months)
$794.70M
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Skip Chart & View Institutional Buying and Selling Data

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
5/21/2026 Groupe la Francaise151,046$17.34M0.2%N/A0.258%
5/19/2026 Bank of America Corp DE452,333$51.94M0.0%+5.7%0.773%
5/19/2026 Janus Henderson Group PLC90,280$10.37M0.0%-90.2%0.154%
5/19/2026 Oddo BHF Asset Management Sas115,000$13.20M0.5%N/A0.197%
5/18/2026 ADAR1 Capital Management LLC32,084$3.68M0.2%+1.9%0.055%
5/18/2026 California State Teachers Retirement System34,886$4.01M0.0%+28.7%0.060%
5/18/2026 Empowered Funds LLC2,010$231K0.0%N/A0.003%
5/16/2026 Torno Capital LLC7,285$836K0.1%N/A0.012%
5/16/2026 The Manufacturers Life Insurance Company 11,965$1.37M0.0%-79.1%0.020%
5/16/2026 Quantinno Capital Management LP5,277$606K0.0%+36.3%0.009%
5/15/2026 Affinity Asset Advisors LLC362,764$41.65M2.1%-30.7%0.620%
5/14/2026 Healthcare of Ontario Pension Plan Trust Fund30,000$3.45M0.0%N/A0.051%
5/14/2026 Renaissance Technologies LLC96,400$11.07M0.0%N/A0.165%
5/14/2026 Gabelli Funds LLC195,900$22.49M0.2%N/A0.335%
5/14/2026 GABELLI & Co INVESTMENT ADVISERS INC.152,400$17.50M2.6%N/A0.261%
5/14/2026 PSquared Asset Management AG55,251$6.34M2.2%N/A0.094%
5/14/2026 Knott David M Jr19,433$2.23M1.3%-24.4%0.033%
5/14/2026 Sei Investments Co.4,492$516K0.0%-71.3%0.008%
5/13/2026 Transmarket Holdings LP6,557$753K0.4%N/A0.011%
5/8/2026 PNC 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%
2/19/2026 T. Rowe Price Investment Management Inc.10,560,425$688.54M0.4%+66.2%18.264%
2/19/2026 Invesco Ltd.40,372$2.63M0.0%+19.9%0.070%
2/18/2026 Mercer Global Advisors Inc. ADV4,107$268K0.0%+19.0%0.007%
2/18/2026 XTX Topco Ltd72,583$4.73M0.1%N/A0.126%
2/18/2026 Vestal Point Capital LP2,925,000$190.71M6.5%+134.0%5.059%
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2/18/2026 Virtus Investment Advisers LLC3,701$241K0.1%+116.3%0.006%
2/18/2026 Wellington Management Group LLP214,776$14.00M0.0%-7.5%0.371%
2/18/2026 Tudor Investment Corp ET AL46,029$3.00M0.0%N/A0.080%
2/18/2026 Twinbeech Capital LP6,949$453K0.0%N/A0.012%
2/18/2026 Perceptive Advisors LLC1,466,071$95.59M1.7%-40.6%2.536%
2/18/2026 Millennium Management LLC8,821$575K0.0%-78.1%0.015%
2/18/2026 Man Group plc3,322$217K0.0%N/A0.006%
2/18/2026 Janus Henderson Group PLC919,578$59.96M0.0%-9.3%1.590%
2/18/2026 Catalio Capital Management LP156,109$10.18M1.9%N/A0.270%
2/18/2026 Clough Capital Partners L P129,780$8.46M0.8%N/A0.224%
2/18/2026 Bamco Inc. NY609,697$39.75M0.1%+10.8%1.054%
2/17/2026 Guggenheim Capital LLC8,538$557K0.0%+4.5%0.015%
2/17/2026 Logos Global Management LP115,000$7.50M0.5%-30.3%0.199%
2/17/2026 Samsara Biocapital LLC60,873$3.97M0.4%-25.0%0.105%
2/17/2026 Schonfeld Strategic Advisors LLC99,131$6.46M0.0%-80.2%0.171%
2/17/2026 AQR Capital Management LLC7,960$519K0.0%-74.9%0.014%
2/17/2026 RA Capital Management L.P.1,267,156$82.62M0.8%-58.3%2.191%
2/17/2026 Paradigm Biocapital Advisors LP5,724,016$373.21M9.5%+23.1%9.899%
2/17/2026 Trexquant Investment LP14,915$972K0.0%N/A0.026%
2/17/2026 Price T Rowe Associates Inc. MD1,610,801$105.03M0.0%+27.4%2.786%
2/17/2026 T. Rowe Price Investment Management Inc.5,653,523$368.61M0.4%-11.0%9.777%
2/17/2026 Rock Springs Capital Management LP169,859$11.08M0.6%-5.1%0.294%
2/17/2026 Integral Health Asset Management LLC200,000$13.04M0.6%+33.3%0.346%
2/17/2026 California State Teachers Retirement System27,115$1.77M0.0%-9.9%0.047%
2/17/2026 Russell Investments Group Ltd.130,520$8.51M0.0%-9.1%0.226%
2/17/2026 State of Wisconsin Investment Board20,918$1.36M0.0%-5.9%0.036%
2/17/2026 ExodusPoint Capital Management LP217,424$14.18M0.1%+2,201.8%0.376%
2/17/2026 Royal Bank of Canada1,010$66K0.0%-98.4%0.002%
2/16/2026 Squarepoint Ops LLC49,875$3.25M0.0%N/A0.086%
2/16/2026 Mariner LLC3,113$206K0.0%-57.4%0.005%
2/16/2026 Barclays PLC196,772$12.83M0.0%+82.8%0.340%
2/13/2026 Marshall Wace LLP8,442$550K0.0%N/A0.015%
2/13/2026 The Manufacturers Life Insurance Company 57,251$3.67M0.0%+6.3%0.099%
2/13/2026 Affinity Asset Advisors LLC523,725$34.15M1.9%+4.7%0.906%
2/13/2026 Hudson Bay Capital Management LP400,942$26.14M0.1%N/A0.693%
2/13/2026 Rafferty Asset Management LLC69,515$4.53M0.0%+41.2%0.120%
2/13/2026 First Trust Advisors LP20,896$1.36M0.0%N/A0.036%
2/13/2026 Headlands Technologies LLC7,320$477K0.0%N/A0.013%
2/13/2026 Charles 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%
2/13/2026 State Street Corp1,998,503$130.30M0.0%+31.0%3.456%
2/13/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC161,035$10.50M0.0%-4.5%0.279%
2/13/2026 Wells Fargo & Company MN54,260$3.54M0.0%+57.6%0.094%
2/13/2026 Lord Abbett & CO. LLC449,634$29.32M0.1%+6.0%0.778%
2/13/2026 Rhenman & Partners Asset Management AB133,500$8.70M0.8%+104.6%0.231%
2/12/2026 Advisors Asset Management Inc.4,670$304K0.0%-42.2%0.008%
2/12/2026 MetLife 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%
2/12/2026 Jasper 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%
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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%
2/11/2026 Franklin Resources Inc.10,131$661K0.0%-24.0%0.018%
2/10/2026 TD Asset Management Inc300,856$19.62M0.0%+29.3%0.520%
2/10/2026 Norges Bank16,707$1.09M0.0%N/A0.029%
2/10/2026 AJU IB Investment Co. Ltd.223,486$14.57M76.0%-78.7%0.387%
2/10/2026 Intech Investment Management LLC15,031$980K0.0%+22.7%0.026%


ACLX Institutional Ownership - Frequently Asked Questions

During the previous two years, 244 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 State Street Corp ($130.30M).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 207 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. ($1.70M), 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 14,597,941 shares in the last 24 months. This purchase volume represents approximately $1.03B in transactions.

Of the 90 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), Janus Henderson Group PLC ($923.64K), AJU IB Investment Co. Ltd. ($824.07K), T. Rowe Price Investment Management Inc. ($698.83K), and Pictet Asset Management Holding SA ($416.58K).

Institutional investors have sold a total of 10,457,402 shares in the last 24 months. This volume of shares sold represents approximately $794.70M in transactions.


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This page (NASDAQ:ACLX) was last updated on 5/29/2026 by MarketBeat.com Staff.
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