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Comparative Price Performance Over Time

Compare Price & Volume

Company	Current Price	50-Day Moving Average	52-Week Range	Market Cap	Beta	Avg. Volume	Today's Volume
ACLX Arcellx	$69.48 +2.8%	$64.75	$47.86 ▼ $107.37	$3.84B	0.28	604,573 shs	74,666 shs
AMPH Amphastar Pharmaceuticals	$21.01 +1.9%	$24.23	$20.43 ▼ $53.96	$987.16M	0.72	498,502 shs	55,031 shs
PTCT PTC Therapeutics	$48.26 +1.3%	$48.83	$29.02 ▼ $58.38	$3.82B	0.5	873,797 shs	106,206 shs
RNA Avidity Biosciences	$34.32 +1.7%	$30.98	$21.51 ▼ $56.00	$4.14B	0.91	1.42 million shs	554,543 shs

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Compare Price Performance

Company	1-Day Performance	7-Day Performance	30-Day Performance	90-Day Performance	1-Year Performance
ACLX Arcellx	0.00%	-2.02%	+7.29%	+10.93%	+8.04%
AMPH Amphastar Pharmaceuticals	0.00%	-4.80%	-16.04%	-12.26%	-47.94%
PTCT PTC Therapeutics	0.00%	-1.89%	-5.12%	-1.16%	+45.97%
RNA Avidity Biosciences	0.00%	+7.34%	+15.18%	+18.37%	-25.18%

Compare MarketRank™

Company	Overall Score	Analyst's Opinion	Short Interest Score	ESG Score	News and Social Media Sentiment	Company Ownership	Earnings & Valuation
ACLX Arcellx	2.5457 of 5 stars	3.5	2.0	0.0	2.9	2.5	0.0
AMPH Amphastar Pharmaceuticals	4.2855 of 5 stars	3.1	2.0	3.7	1.7	4.2	1.3
PTCT PTC Therapeutics	4.3495 of 5 stars	4.3	1.0	4.4	2.2	0.8	1.3
RNA Avidity Biosciences	2.5081 of 5 stars	4.5	0.0	0.0	3.5	0.8	0.0

Compare Analyst Forecasts

Company	Consensus Rating Score	Consensus Rating	Consensus Price Target	% Upside from Current Price
ACLX Arcellx	3.07	Buy	$111.23	60.10% Upside
AMPH Amphastar Pharmaceuticals	2.25	Hold	$32.33	53.89% Upside
PTCT PTC Therapeutics	2.67	Moderate Buy	$65.00	34.70% Upside
RNA Avidity Biosciences	3.06	Buy	$66.35	93.32% Upside

Current Analyst Ratings Breakdown

Latest AMPH, RNA, PTCT, and ACLX Analyst Ratings

Date	Company	Brokerage	Action	Rating	Price Target
7/11/2025	RNA Avidity Biosciences	Evercore ISI Subscribe to MarketBeat All Access for the recommendation accuracy rating	Reiterated Rating	Outperform ➝ Outperform	$70.00
7/10/2025	RNA Avidity Biosciences	The Goldman Sachs Group Subscribe to MarketBeat All Access for the recommendation accuracy rating	Upgrade	Buy	$55.00
6/27/2025	RNA Avidity Biosciences	Cantor Fitzgerald Subscribe to MarketBeat All Access for the recommendation accuracy rating	Reiterated Rating	Overweight ➝ Overweight	$96.00
6/24/2025	RNA Avidity Biosciences	Sanford C. Bernstein Subscribe to MarketBeat All Access for the recommendation accuracy rating	Initiated Coverage	Outperform	$50.00
6/17/2025	ACLX Arcellx	Citigroup Subscribe to MarketBeat All Access for the recommendation accuracy rating	Initiated Coverage	Buy ➝ Buy	$110.00
6/17/2025	PTCT PTC Therapeutics	Truist Financial Subscribe to MarketBeat All Access for the recommendation accuracy rating	Initiated Coverage	Buy	$80.00
6/17/2025	RNA Avidity Biosciences	Wolfe Research Subscribe to MarketBeat All Access for the recommendation accuracy rating	Initiated Coverage	Outperform	$55.00
6/16/2025	ACLX Arcellx	HC Wainwright Subscribe to MarketBeat All Access for the recommendation accuracy rating	Reiterated Rating	Buy ➝ Buy	$115.00
6/11/2025	RNA Avidity Biosciences	Raymond James Financial Subscribe to MarketBeat All Access for the recommendation accuracy rating	Initiated Coverage	Strong-Buy	$65.00
6/10/2025	RNA Avidity Biosciences	Citigroup Subscribe to MarketBeat All Access for the recommendation accuracy rating	Boost Price Target	Buy ➝ Buy	$70.00 ➝ $75.00
6/10/2025	RNA Avidity Biosciences	Barclays Subscribe to MarketBeat All Access for the recommendation accuracy rating	Boost Price Target	Overweight ➝ Overweight	$57.00 ➝ $59.00

(Data available from 7/21/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)

Compare Sales & Book Value

Company	Annual Revenue	Price/Sales	Cashflow	Price/Cash	Book Value	Price/Book
ACLX Arcellx	$107.94M	35.47	N/A	N/A	$8.41 per share	8.26
AMPH Amphastar Pharmaceuticals	$731.97M	1.35	$5.10 per share	4.12	$15.23 per share	1.38
PTCT PTC Therapeutics	$806.78M	4.74	N/A	N/A	($14.24) per share	-3.39
RNA Avidity Biosciences	$8.93M	463.38	N/A	N/A	$11.94 per share	2.87

Compare Profitability & Earnings

Company	Net Income	EPS	Trailing P/E Ratio	Forward P/E Ratio	P/E Growth	Net Margins	Return on Equity (ROE)	Return on Assets (ROA)	Next Earnings Date
ACLX Arcellx	-$107.35M	-$2.99	N/A	N/A	N/A	-211.46%	-35.27%	-22.73%	8/14/2025 (Estimated)
AMPH Amphastar Pharmaceuticals	$159.52M	$2.76	7.59	6.39	N/A	19.38%	22.20%	10.40%	8/6/2025 (Estimated)
PTCT PTC Therapeutics	-$363.30M	$6.51	7.41	N/A	N/A	33.56%	-78.56%	32.11%	8/6/2025 (Estimated)
RNA Avidity Biosciences	-$322.30M	-$3.00	N/A	N/A	N/A	-4,136.00%	-26.96%	-24.57%	8/8/2025 (Estimated)

Latest AMPH, RNA, PTCT, and ACLX Earnings

Date	Quarter	Company	Consensus Estimate	Reported EPS	Beat/Miss	Gap EPS	Revenue Estimate	Actual Revenue
8/14/2025	Q2 2025	ACLX Arcellx	-$1.03	N/A	N/A	N/A	N/A	N/A
8/14/2025	Q2 2025	PTCT PTC Therapeutics	-$1.07	N/A	N/A	N/A	N/A	N/A
8/8/2025	Q2 2025	RNA Avidity Biosciences	-$0.93	N/A	N/A	N/A	$1.61 million	N/A
8/6/2025	Q2 2025	AMPH Amphastar Pharmaceuticals	$0.71	N/A	N/A	N/A	$173.42 million	N/A
5/8/2025	Q1 2025	ACLX Arcellx	-$0.84	-$1.13	-$0.29	-$1.13	$19.51 million	$8.13 million
5/8/2025	Q1 2025	RNA Avidity Biosciences	-$0.88	-$0.90	-$0.02	-$0.90	$2.63 million	$1.60 million
5/6/2025	Q1 2025	PTCT PTC Therapeutics	$0.85	$10.04	+$9.19	N/A	$437.16 million	$1.18 billion

Compare Dividends

Company	Annual Payout	Dividend Yield	3-Year Dividend Growth	Payout Ratio	Years of Consecutive Growth
ACLX Arcellx	N/A	N/A	N/A	N/A	N/A
AMPH Amphastar Pharmaceuticals	N/A	N/A	N/A	N/A	N/A
PTCT PTC Therapeutics	N/A	N/A	N/A	N/A	N/A
RNA Avidity Biosciences	N/A	N/A	N/A	N/A	N/A

Compare Debt

Company	Debt-to-Equity Ratio	Current Ratio	Quick Ratio
ACLX Arcellx	N/A	4.93	4.93
AMPH Amphastar Pharmaceuticals	0.80	2.95	2.02
PTCT PTC Therapeutics	N/A	3.89	3.85
RNA Avidity Biosciences	N/A	16.91	16.91

Compare Ownership

Institutional Ownership

Company	Institutional Ownership
ACLX Arcellx	96.03%
AMPH Amphastar Pharmaceuticals	65.09%
PTCT PTC Therapeutics	N/A
RNA Avidity Biosciences	N/A

Insider Ownership

Company	Insider Ownership
ACLX Arcellx	8.35%
AMPH Amphastar Pharmaceuticals	27.10%
PTCT PTC Therapeutics	5.50%
RNA Avidity Biosciences	3.83%

Compare Miscellaneous Stats

Company	Employees	Shares Outstanding	Free Float	Optionable
ACLX Arcellx	80	55.11 million	50.51 million	Optionable
AMPH Amphastar Pharmaceuticals	2,028	47.14 million	34.36 million	Optionable
PTCT PTC Therapeutics	1,410	79.26 million	74.90 million	Optionable
RNA Avidity Biosciences	190	120.52 million	115.90 million	Optionable

AMPH, RNA, PTCT, and ACLX Headlines

Recent News About These Companies

Avidity Biosciences, Inc. (NASDAQ:RNA) Given Consensus Rating of "Buy" by Analysts

July 21 at 5:19 AM | marketbeat.com

New York State Common Retirement Fund Purchases 87,468 Shares of Avidity Biosciences, Inc. (NASDAQ:RNA)

July 20 at 3:53 AM | marketbeat.com

Avidity Biosciences: Three Accelerated Approval Shots Feels Excessive

July 14, 2025 | seekingalpha.com

Avidity Biosciences (NASDAQ:RNA) Shares Gap Up - Here's Why

July 14, 2025 | marketbeat.com

Avidity Biosciences price target raised to $70 from $60 at Evercore ISI

July 12, 2025 | msn.com

Alps Advisors Inc. Has $2.58 Million Position in Avidity Biosciences, Inc. (NASDAQ:RNA)

July 12, 2025 | marketbeat.com

The Goldman Sachs Group Upgrades Avidity Biosciences (NASDAQ:RNA) to Buy

July 12, 2025 | americanbankingnews.com

Avidity Biosciences, Inc. (RNA) Balance Sheet - Yahoo Finance

July 11, 2025 | finance.yahoo.com

Avidity Biosciences (NASDAQ:RNA) Coverage Initiated by Analysts at The Goldman Sachs Group

July 10, 2025 | marketbeat.com

Mirae Asset Global Investments Co. Ltd. Boosts Stock Holdings in Avidity Biosciences, Inc. (NASDAQ:RNA)

July 6, 2025 | marketbeat.com

Avidity Biosciences, Inc. (RNA) - Yahoo Finance

July 3, 2025 | finance.yahoo.com

7RNA : Expert Outlook: Avidity Biosciences Through The Eyes...

June 27, 2025 | benzinga.com

Avidity Biosciences (NASDAQ:RNA) Receives "Overweight" Rating from Cantor Fitzgerald

June 27, 2025 | marketbeat.com

Avidity Biosciences’ SWOT analysis: innovative RNA therapies stock faces pivotal year

June 26, 2025 | investing.com

Avidity Biosciences, Inc. (NASDAQ:RNA) Receives Average Rating of "Buy" from Analysts

June 26, 2025 | marketbeat.com

Avidity Biosciences (NASDAQ:RNA) Earns Outperform Rating from Analysts at Sanford C. Bernstein

June 24, 2025 | marketbeat.com

Avidity, Dyne get Bernstein ratings as oligonucleotide muscle trials advance

June 24, 2025 | investing.com

SG Americas Securities LLC Takes $516,000 Position in Avidity Biosciences, Inc. (NASDAQ:RNA)

June 23, 2025 | marketbeat.com

Avidity Biosciences’ SWOT analysis: innovative RNA firm eyes 3-drug launch by 2027

June 20, 2025 | investing.com

Avidity Biosciences, Inc. (NASDAQ:RNA) Insider Sells $27,548.64 in Stock

June 19, 2025 | insidertrades.com

Avidity Biosciences’ SWOT analysis: innovative RNA tech targets rare disease stock potential

June 16, 2025 | investing.com

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AMPH, RNA, PTCT, and ACLX Company Descriptions

Arcellx NASDAQ:ACLX

$69.47 +1.89 (+2.79%)

As of 11:09 AM Eastern

Arcellx, Inc., together with its subsidiary, engages in the development of various immunotherapies for patients with cancer and other incurable diseases in the United States. The company's lead ddCAR product candidate is anitocabtagene autoleucel, which is in phase 2 clinical trial for the treatment of patients with relapsed or refractory multiple myeloma (rrMM). It also develops ACLX-001, a product candidate in Phase 1 clinical trials targeting BCMA to treat rrMM; and ACLX-002, which is in Phase 1 clinical trials that targets CD123 for treating relapsed or refractory acute myeloid leukemia (AML) and myelodysplastic syndrome (MDS). In addition, the company's preclinical product includes ACLX-003 for the treatment of AML and MDS. Further, it focuses on the development of product candidates for solid tumor programs. It has a strategic alliance with Kite Pharma, Inc. to co-develop and co-commercialize anitocabtagene autoleucel. 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 Redwood City, California.

Amphastar Pharmaceuticals NASDAQ:AMPH

$21.01 +0.39 (+1.89%)

As of 11:08 AM Eastern

Amphastar Pharmaceuticals, Inc., a bio-pharmaceutical company, develops, manufactures, markets, and sells generic and proprietary injectable, inhalation, and intranasal products in the United States, China, and France. It offers BAQSIMI, a nasal spray for the treatment of severe hypoglycemia; Primatene Mist, an over-the-counter epinephrine inhalation product for the temporary relief of mild symptoms of intermittent asthma; Enoxaparin, to prevent and treat deep vein thrombosis; REXTOVY and Naloxone for opioid overdose; Glucagon for injection emergency kit; and Cortrosyn, for use as a diagnostic agent in the screening of patients with adrenocortical insufficiency. The company provides Amphadase, an injection to absorb and disperse other injected drugs; Epinephrine injection for allergic reactions; Lidocaine jelly, an anesthetic product for urological procedures; Lidocaine topical solution for various procedures; Phytonadione injection, a vitamin K1 injection for newborn babies; emergency syringe products; morphine injection for use with patient-controlled analgesia pumps; and Lorazepam injection for surgery and medical procedures. In addition, it offers Neostigmine methylsulfate injection to treat myasthenia gravis and to reverse the effects of muscle relaxants; Isoproterenol hydrochloride injection for mild or transient episodes of heart block; Ganirelix Acetate injection for the inhibition of premature luteinizing hormone surges; Vasopressin to increase blood pressure; and Regadenoson, a stress agent for radionuclide myocardial perfusion imaging. Further, the company distributes recombinant human insulin APIs and porcine insulin API. Additionally, it develops generic product candidates, such as injectable, inhalation, and analytical technologies; biosimial product candidates; and intranasal epinephrine for the treatment of allergic reactions. The company was founded in 1996 and is headquartered in Rancho Cucamonga, California.

PTC Therapeutics NASDAQ:PTCT

$48.26 +0.63 (+1.31%)

As of 11:08 AM Eastern

PTC Therapeutics, Inc., a biopharmaceutical company, focuses on the discovery, development, and commercialization of medicines to patients with rare disorders in the United States and internationally. The company offers Translarna and Emflaza for the treatment of Duchenne muscular dystrophy; Upstaza to treat aromatic l-amino acid decarboxylas (AADC) deficiency, a central nervous system disorder; Tegsedi and Waylivra for the treatment of rare diseases; and Evrysdi to treat spinal muscular atrophy (SMA) in adults and children. Its development pipeline products include Sepiapterin for the treatment of phenylketonuria; PTC518 splicing platform, which is being developed for the treatment of Huntington's disease; and ferroptosis and inflammation platforms, including vatiquinone to treat Friedreich ataxia and utreloxastat for the treatment of amyotrophic lateral sclerosis. The company distributes its products through third-party distributors. It has collaborations with F. Hoffman-La Roche Ltd, Hoffman-La Roche Inc., the SMA Foundation, National Taiwan University, Akcea Therapeutics, Inc., and Shiratori Pharmaceutical Co., Ltd. PTC Therapeutics, Inc. was incorporated in 1998 and is headquartered in South Plainfield, New Jersey.

Avidity Biosciences NASDAQ:RNA

$34.32 +0.56 (+1.67%)

As of 11:09 AM Eastern

Avidity Biosciences, Inc., a biopharmaceutical company, engages in the delivery of RNA therapeutics. It develops antibody oligonucleotide conjugates (AOC) that are designed to treat diseases previously untreatable with RNA therapeutics. The company's lead product candidate AOC 1001 for the treatment of myotonic dystrophy type 1, a rare monogenic muscle disease that is in phase 1/2 clinical trial. Its other products in pipeline include AOC 1044 for the treatment of duchenne muscular dystrophy, which is under phase 1/2 clinical development trial; and AOC 1020 to treat facioscapulohumeral muscular dystrophy that is in phase 1/2 clinical trial. The company is developing products for rare skeletal muscle and rare cardiac diseases. Avidity Biosciences, Inc. was incorporated in 2012 and is headquartered in San Diego, California.

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Comparative Price Performance Over Time