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Compare stocks with our powerful stock comparison tool. Analyze fundamentals, price performance, and key financial indicators to make informed investment decisions. Our tool lets you compare up to ten stocks side by side based on Performance Charts, Price & Volume, MarketRank™, Analyst Ratings, Sales & Book Value, Profitability & Earnings, Dividends, Debt, Ownership, Headlines, and more. Simply enter up to ten stock symbols (e.g., BAC, JPM, WFC, C, GS) to get started and uncover top investment opportunities.

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
MRKR Marker Therapeutics	$1.57 -0.6%	$1.43	$0.95 ▼ $5.99	$17.88M	1.43	83,527 shs	55,320 shs
PRPH ProPhase Labs	$0.42 -2.2%	$0.36	$0.22 ▼ $3.43	$17.66M	-0.41	3.15 million shs	424,770 shs
RVPH Reviva Pharmaceuticals	$0.39 -9.2%	$0.72	$0.30 ▼ $4.28	$20.61M	-0.06	1.44 million shs	4.45 million shs
VIVS VivoSim Labs	$1.84 -5.4%	$0.00	$1.41 ▼ $21.96	$5.04M	0.99	53,093 shs	121,964 shs

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Compare Price Performance

Company	1-Day Performance	7-Day Performance	30-Day Performance	90-Day Performance	1-Year Performance
MRKR Marker Therapeutics	-0.63%	-1.88%	-1.88%	+45.37%	-71.81%
PRPH ProPhase Labs	-2.16%	-4.15%	+25.57%	+48.36%	-87.08%
RVPH Reviva Pharmaceuticals	-9.25%	+3.45%	-46.36%	-45.05%	-68.07%
VIVS VivoSim Labs	-5.41%	+10.54%	+13.98%	+183,499,900.00%	+183,499,900.00%

Compare MarketRank™

Company	Overall Score	Analyst's Opinion	Short Interest Score	Dividend Strength	ESG Score	News and Social Media Sentiment	Company Ownership	Earnings & Valuation
MRKR Marker Therapeutics	4.4914 of 5 stars	3.8	5.0	0.0	3.9	2.7	0.8	0.6
PRPH ProPhase Labs	0.5376 of 5 stars	0.0	3.0	0.0	0.0	2.7	0.0	0.6
RVPH Reviva Pharmaceuticals	3.2207 of 5 stars	3.6	2.0	0.0	0.0	3.3	3.3	0.6
VIVS VivoSim Labs	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A

Compare Analyst Forecasts

Company	Consensus Rating Score	Consensus Rating	Consensus Price Target	% Upside from Current Price
MRKR Marker Therapeutics	3.50	Strong Buy	$13.17	738.64% Upside
PRPH ProPhase Labs	0.00	N/A	N/A	N/A
RVPH Reviva Pharmaceuticals	3.29	Buy	$9.00	2,210.06% Upside
VIVS VivoSim Labs	0.00	N/A	N/A	N/A

Current Analyst Ratings Breakdown

Latest VIVS, PRPH, MRKR, and RVPH Analyst Ratings

Date	Company	Brokerage	Action	Rating	Price Target
6/27/2025	RVPH Reviva Pharmaceuticals	D. Boral Capital Subscribe to MarketBeat All Access for the recommendation accuracy rating	Reiterated Rating	Buy ➝ Buy	$3.00
6/3/2025	RVPH Reviva Pharmaceuticals	D. Boral Capital Subscribe to MarketBeat All Access for the recommendation accuracy rating	Reiterated Rating	Buy ➝ Buy	$3.00
5/20/2025	RVPH Reviva Pharmaceuticals	D. Boral Capital Subscribe to MarketBeat All Access for the recommendation accuracy rating	Lower Price Target	Buy ➝ Buy	$8.00 ➝ $3.00
4/24/2025	RVPH Reviva Pharmaceuticals	D. Boral Capital Subscribe to MarketBeat All Access for the recommendation accuracy rating	Reiterated Rating	Buy ➝ Buy	$8.00 ➝ $8.00

(Data available from 7/16/2022 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
MRKR Marker Therapeutics	$6.59M	2.69	N/A	N/A	$1.73 per share	0.91
PRPH ProPhase Labs	$6.77M	2.55	N/A	N/A	$0.25 per share	1.66
RVPH Reviva Pharmaceuticals	N/A	N/A	N/A	N/A	$0.02 per share	N/A
VIVS VivoSim Labs	$140K	34.08	N/A	N/A	$5.54 per share	0.33

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
MRKR Marker Therapeutics	-$10.73M	-$1.33	N/A	N/A	N/A	-224.46%	-101.87%	-83.02%	8/13/2025 (Estimated)
PRPH ProPhase Labs	-$53.36M	-$1.26	N/A	N/A	N/A	N/A	-184.38%	-64.59%	8/13/2025 (Estimated)
RVPH Reviva Pharmaceuticals	-$29.92M	-$0.79	N/A	N/A	N/A	N/A	N/A	-302.31%	8/13/2025 (Estimated)
VIVS VivoSim Labs	-$2.48M	-$10.20	N/A	∞	N/A	-1,725.00%	-46.87%	-28.62%	N/A

Latest VIVS, PRPH, MRKR, and RVPH Earnings

Date	Quarter	Company	Consensus Estimate	Reported EPS	Beat/Miss	Gap EPS	Revenue Estimate	Actual Revenue
8/13/2025	Q2 2025	MRKR Marker Therapeutics	-$0.55	N/A	N/A	N/A	$0.72 million	N/A
8/13/2025	Q2 2025	PRPH ProPhase Labs	-$0.15	N/A	N/A	N/A	$3.55 million	N/A
8/13/2025	Q2 2025	RVPH Reviva Pharmaceuticals	-$0.15	N/A	N/A	N/A	N/A	N/A
5/20/2025	Q1 2025	PRPH ProPhase Labs	-$0.18	-$0.12	+$0.06	$0.12	$2.45 million	$1.43 million
5/15/2025	Q1 2025	RVPH Reviva Pharmaceuticals	-$0.21	-$0.13	+$0.08	-$0.13	N/A	N/A

Compare Dividends

Company	Annual Payout	Dividend Yield	3-Year Dividend Growth	Payout Ratio	Years of Consecutive Growth
MRKR Marker Therapeutics	N/A	N/A	N/A	N/A	N/A
PRPH ProPhase Labs	N/A	N/A	N/A	N/A	N/A
RVPH Reviva Pharmaceuticals	N/A	N/A	N/A	N/A	N/A
VIVS VivoSim Labs	N/A	N/A	N/A	N/A	N/A

Compare Debt

Company	Debt-to-Equity Ratio	Current Ratio	Quick Ratio
MRKR Marker Therapeutics	N/A	6.79	6.79
PRPH ProPhase Labs	0.30	1.03	0.98
RVPH Reviva Pharmaceuticals	N/A	0.54	0.54
VIVS VivoSim Labs	N/A	3.25	3.25

Compare Ownership

Institutional Ownership

Company	Institutional Ownership
MRKR Marker Therapeutics	22.39%
PRPH ProPhase Labs	9.45%
RVPH Reviva Pharmaceuticals	63.18%
VIVS VivoSim Labs	8.23%

Insider Ownership

Company	Insider Ownership
MRKR Marker Therapeutics	14.50%
PRPH ProPhase Labs	9.60%
RVPH Reviva Pharmaceuticals	27.18%
VIVS VivoSim Labs	3.72%

Compare Miscellaneous Stats

Company	Employees	Shares Outstanding	Free Float	Optionable
MRKR Marker Therapeutics	60	11.31 million	9.67 million	Not Optionable
PRPH ProPhase Labs	130	41.54 million	37.55 million	Optionable
RVPH Reviva Pharmaceuticals	5	48.00 million	34.96 million	Optionable
VIVS VivoSim Labs	20	2.60 million	2.50 million	N/A

VIVS, PRPH, MRKR, and RVPH Headlines

Recent News About These Companies

No headlines for this company have been tracked by MarketBeat.com

New MarketBeat Followers Over Time

Media Sentiment Over Time

VIVS, PRPH, MRKR, and RVPH Company Descriptions

Marker Therapeutics NASDAQ:MRKR

$1.57 -0.01 (-0.63%)

Closing price 07/15/2025 04:00 PM Eastern

Extended Trading

$1.58 +0.01 (+0.64%)

As of 07/15/2025 07:13 PM Eastern

Marker Therapeutics, Inc., a clinical-stage immuno-oncology company, engages in the development and commercialization of novel T cell-based immunotherapies for the treatment of hematological malignancies and solid tumor indications. Its multi tumor associated antigen-specific T cell technology is based on the manufacture of non-engineered tumor-specific T cells that recognize multiple tumor-associated antigens. The company also develops MT-401-OTS for the treatment of acute myeloid leukemia; and MT-601 to treat lymphoma and pancreatic cancer. Marker Therapeutics, Inc. is headquartered in Houston, Texas.

ProPhase Labs NASDAQ:PRPH

$0.42 -0.01 (-2.16%)

Closing price 07/15/2025 03:59 PM Eastern

Extended Trading

$0.42 +0.00 (+0.24%)

As of 07/15/2025 07:57 PM Eastern

ProPhase Labs, Inc. develops and commercializes novel drugs, dietary supplements, and compounds in the United States. It operates through two segments: Diagnostic Services and Consumer Products. The company provides a range of TK supplements, including Legendz XL for male sexual health; and Triple Edge XL, an energy and stamina booster. It offers contract manufacturing services, such as product development, pre-commercialization, production, warehousing, and distribution; COVID-19 diagnostic information services to a range of customers, including health plans, third party payers, and government organizations; and respiratory pathogen panel molecular testing services, as well as personal genomics products and services. In addition, the company involved in the research, development, manufacture, distribution, marketing, and sale of over the counter (OTC) consumer healthcare products and dietary supplements; and retail operations. The company was formerly known as The Quigley Corporation. ProPhase Labs, Inc. was founded in 1989 and is headquartered in Garden City, New York.

Reviva Pharmaceuticals NASDAQ:RVPH

$0.39 -0.04 (-9.25%)

Closing price 07/15/2025 04:00 PM Eastern

Extended Trading

$0.40 +0.01 (+2.93%)

As of 07/15/2025 07:59 PM Eastern

Reviva Pharmaceuticals Holdings, Inc., a biopharmaceutical company, discovers, develops, and commercializes next-generation therapeutics for diseases targeting unmet medical needs in the areas of central nervous system, respiratory, inflammatory, and cardiometabolic diseases. The company's lead product candidate comprises brilaroxazine (RP5063) for the treatment of various neuropsychiatric indications, including schizophrenia, bipolar disorder, major depressive disorder, attentiondeficit/hyperactivity disorder, behavioral and psychotic symptoms of dementia and Alzheimer's disease, and Parkinson's disease psychosis; in clinical development respiratory indications, such as pulmonary arterial hypertension and idiopathic pulmonary fibrosis; and in preclinical development for the treatment of psoriasis. It is also developing RP1208 for the treatment of depression and obesity. Reviva Pharmaceuticals Holdings, Inc. was founded in 2018 and is headquartered in Cupertino, California.

VivoSim Labs NASDAQ:VIVS

$1.84 -0.11 (-5.41%)

As of 07/15/2025 03:57 PM Eastern

Organovo Holdings, Inc., a biotechnology company, focuses on developing 3D tissues that recapitulate key aspects of human disease. Its 3D human tissue platform includes its proprietary NovoGen Bioprinters, which are automated devices that enable the fabrication of 3D living tissues comprised mammalian cells; and related technologies for preparing bio-inks and bioprinting multicellular tissues with complex architecture. The company offers ExVive human liver tissue and ExVive human kidney tissue used for predictive preclinical testing of drug compounds. It is also developing in vivo liver tissues to treat end-stage liver, life-threatening, and orphan diseases. The company was incorporated in 2007 and is headquartered in Solana Beach, California.

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Comparative Price Performance Over Time