Institutional shares held 44.7 Million
434K calls
433K puts
Total value of holdings $2.82B
$27.4M calls
$27.3M puts
Market Cap $2.77B
43,819,200 Shares Out.
Institutional ownership 102.12%
# of Institutions 224


Latest Institutional Activity in ACLX

Top Purchases

Q1 2025
Rhumbline Advisers Shares Held: 63.8K ($4.02M)
Q1 2025
Allspring Global Investments Holdings, LLC Shares Held: 7.7K ($486K)
Q1 2025
Amalgamated Bank Shares Held: 1.51K ($95.2K)
Q1 2025
Versant Capital Management, Inc Shares Held: 114 ($7.2K)
Q1 2025
Kbc Group Nv Shares Held: 1.5K ($94.5K)

Top Sells

Q1 2025
Gamma Investing LLC Shares Held: 494 ($31.2K)
Q1 2025
Avanza Fonder Ab Shares Held: 1.64K ($104K)
Q1 2025
Harbor Capital Advisors, Inc. Shares Held: 22.8K ($1.44M)
Q1 2025
Exchange Traded Concepts, LLC Shares Held: 1.75K ($111K)
Q1 2025
Congress Asset Management CO Shares Held: 25.1K ($1.58M)

About ACLX

Arcellx, Inc., a clinical-stage biotechnology company, engages in the development of various immunotherapies for patients with cancer and other incurable diseases. The company's lead ddCAR product candidate is CART-ddBCMA, which is in phase 1 clinical trial for the treatment of patients with relapsed or refractory (r/r) multiple myeloma (MM). It is also developing ACLX-001, an immunotherapeutic combination composed of ARC-T cells and bi-valent SparX proteins targeting BCMA to treat r/r MM; ACLX-002 and ACLX-003 for treating r/r acute myeloid leukemia (AML) and myelodysplastic syndrome (MDS); and other AML/MDS product candidates, as well as solid tumor programs. The company was formerly known as Encarta Therapeutics, Inc. and changed its name to Arcellx, Inc. in January 2016. Arcellx, Inc. was incorporated in 2014 and is headquartered in Gaithersburg, Maryland.


Insider Transactions at ACLX

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
1.78M Shares
From 5 Insiders
Exercise of conversion of derivative security 763K shares
Grant, award, or other acquisition 1.02M shares
Sell / Disposition
452K Shares
From 4 Insiders
Open market or private sale 452K shares

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