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Arcellx, Inc.

ACLX
Richly ValuedBiotech · Clinical
FDA catalysts, PDUFA dates & pipeline intelligence
$115.07
▲ +0.03 · +0.03%

Last traded Apr 27, 2026. This price is not current.

Financials

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52W LOW $47.8652W HIGH $115.13
Volume
16.12 M
Value Traded
1.85 B
Short % Float
4.31%
+0.01%Week
+0.39%1 Month
+68.26%3 Month
+31.98%6 Month
+505.63%5 Year
+505.63%All Time

Cash Data

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  • Burn Trend
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Key Stats

Market Cap
6.73 B
EPS (TTM)
-4.05
P/E Ratio
-
Ent. Value
6.33 B
Total Shares
58.46 M
Float Shares
41.80 M
Insiders
22.44%
Institutions
74.14%

Upcoming Catalysts

FDA decisions, readouts and PDUFA dates · scored by probability of approval

Catalyst Drug / Treatment Stage Prob. of Approval Description Drug Type Therapeutic Area Source
PDUFA
2026
Example Drug
Treatment for example condition requiring FDA review
Phase 3Small MoleculeOncology-
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Every FDA decision, readout and PDUFA date, with drug type, therapeutic area and a PoA score you can trade on.
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PoA blends historical approval base rates, trial design score and FDA review track record.

ACLX Catalyst Timeline

Dated clinical, regulatory and corporate events for Arcellx, Inc.

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Every PDUFA date, readout, approval and corporate move, tiered by market impact and updated daily.
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Past FDA Catalysts and PDUFA Decisions

How ACLX actually traded into and out of each decision

Date Drug Catalyst Stage Reaction Event Move % Best Trade %
2024-12-09Anitocabtagene Autoleucel (anito-cel) Phase 2 data readout Phase 2
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Reaction: 30 trading days around the event · Event Move: close to close on decision day · Best Trade: peak run-up from entry 10 days before the decision

Drug Pipeline Intelligence

D31 / 100
Pipeline Score
$295M
Pipeline Value
Richly Valued
Valuation Signal
2
Drugs Scored
0.0x
rNPV / MCap
Arcellx, Inc. faces pipeline headwinds (31/100), with $475M risk-adjusted pipeline value, led by anito-cel (anitocabtagene autoleucel) in Muscular Diseases (Phase 1).
Showing 1 of 2 assets
DrugIndicationPhasePTRSrNPVStatusEnrollVelocityDesignEst. CompletionML SignalLast Change
anito-cel (anitocabtagene autoleucel) CAR-TNCT06626919Muscular DiseasesPhase 1 RECRUITING 30Apr 1, 2028
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Clinical Trial Results

Readouts, endpoints and source filings for every ACLX program

Drug Name Indication Phase Date Trial Results SummaryTitleSource
anito-cel relapsed and/or refractory multiple myelomaPhase 22025-05-14ORR: 97%; CR/s CR: 68%; VGPR: 85%; MRD negativity: 93.3%; 6 month PFS: 91.9%; 6 month OS: 96.6%; 12 month PFS: 78.8%; 12 month OS: 95.2%Read MoreArcellx Announces New Positive Data for Its iMMagine-1 Study in Patients with Relapsed and/or Refractory Multiple Myeloma Results from all 117 patients dosed in the pivotal Phase 2 iMMagine-1 study of anito-cel demonstraRead More
Scroll for more · summaries link to the source press release
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Inside Trades

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InsiderSideSharesPriceValueDate
Carroll JillDirectorDisposition due to tender of shares -1,479,148 $0.00 04/28/2026
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Hedge Fund 13F Activity

Fund % of Portfolio Current MV Shares Owned Activity
Paradigm Biocapital Advisors LP 13.5 % (42.1 %) 662.97 M 5.77 M 0.87% ( 50.00 K)
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Shares held by hedge funds each quarter, and who bought or sold.

ACLX Institutional Ownership Trends

Options Data

Option Volume

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Option Chain Statistics

ExpiryCall VolPut VolVol P/CCall OIPut OIOI P/CIV CallIV Call OI-WtdIV Call Vol-WtdIV PutIV Put OI-WtdIV Put Vol-Wtd
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Per-expiry call and put volume, open interest, put-call ratios and implied volatility.
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Real-Time Option Chain

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Calls vs Puts by Expiry

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Competitive positioning

How ACLX ranks across every disease it competes in

Competitive Position is a premium feature
See how ACLX ranks against every competitor across each disease it develops in: phase, best drug, trials and likelihood of approval.
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ACLX News

About Arcellx, Inc.

Redwood City, CA 209 employees arcellx.com
Headquarters800 BRIDGE PARKWAY, REDWOOD CITY, CA, 94065
Founded2014
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