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CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
Cyanotech Co. stock logo
CYAN
Cyanotech
$0.40
+13.6%
$3.01
$2.37
$6.29
$2.86M-0.113,483 shs1,000 shs
Kodiak Sciences Inc. stock logo
KOD
Kodiak Sciences
$3.70
-2.1%
$3.85
$1.92
$11.60
$195.23M2.27344,849 shs275,486 shs
Merck & Co., Inc. stock logo
MRK
Merck & Co., Inc.
$78.93
+0.1%
$79.06
$73.31
$129.93
$198.62B0.3813.16 million shs60.17 million shs
Revelation Biosciences, Inc. stock logo
REVB
Revelation Biosciences
$0.76
-7.4%
$1.97
$0.74
$56.00
$730K-0.09370,082 shs436,775 shs
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Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
Cyanotech Co. stock logo
CYAN
Cyanotech
+13.64%+13.64%-2.32%+14.29%+50.94%
Kodiak Sciences Inc. stock logo
KOD
Kodiak Sciences
0.00%+2.21%+3.64%+27.15%+61.57%
Merck & Co., Inc. stock logo
MRK
Merck & Co., Inc.
0.00%-0.40%+3.38%-11.49%-39.98%
Revelation Biosciences, Inc. stock logo
REVB
Revelation Biosciences
0.00%+1.74%-13.75%-71.89%-97.73%
CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & Valuation
Cyanotech Co. stock logo
CYAN
Cyanotech
N/AN/AN/AN/AN/AN/AN/AN/A
Kodiak Sciences Inc. stock logo
KOD
Kodiak Sciences
4.3832 of 5 stars
3.04.00.04.63.03.30.0
Merck & Co., Inc. stock logo
MRK
Merck & Co., Inc.
4.9948 of 5 stars
3.23.05.03.93.02.53.8
Revelation Biosciences, Inc. stock logo
REVB
Revelation Biosciences
0.6301 of 5 stars
0.02.00.00.02.70.01.3
CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
Cyanotech Co. stock logo
CYAN
Cyanotech
0.00
N/AN/AN/A
Kodiak Sciences Inc. stock logo
KOD
Kodiak Sciences
2.00
Hold$9.00143.24% Upside
Merck & Co., Inc. stock logo
MRK
Merck & Co., Inc.
2.43
Hold$109.1938.33% Upside
Revelation Biosciences, Inc. stock logo
REVB
Revelation Biosciences
0.00
N/AN/AN/A

Current Analyst Ratings Breakdown

Latest REVB, MRK, KOD, and CYAN Analyst Ratings

DateCompanyBrokerageActionRatingPrice TargetDetails
5/20/2025
Merck & Co., Inc. stock logo
MRK
Merck & Co., Inc.
Cantor Fitzgerald
Subscribe to MarketBeat All Access for the recommendation accuracy rating
DowngradeOverweight ➝ Cautious
5/14/2025
Merck & Co., Inc. stock logo
MRK
Merck & Co., Inc.
Citigroup
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingBuy ➝ Neutral$115.00 ➝ $84.00
4/22/2025
Merck & Co., Inc. stock logo
MRK
Merck & Co., Inc.
Cantor Fitzgerald
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Initiated CoverageNeutral$85.00
4/17/2025
Merck & Co., Inc. stock logo
MRK
Merck & Co., Inc.
Guggenheim
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingBuy ➝ Buy$115.00 ➝ $115.00
3/31/2025
Kodiak Sciences Inc. stock logo
KOD
Kodiak Sciences
HC Wainwright
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingNeutral ➝ Neutral$3.00 ➝ $3.00
(Data available from 6/29/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)
CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
Cyanotech Co. stock logo
CYAN
Cyanotech
$23.07M0.12N/AN/A$1.33 per share0.30
Kodiak Sciences Inc. stock logo
KOD
Kodiak Sciences
N/AN/AN/AN/A$2.86 per shareN/A
Merck & Co., Inc. stock logo
MRK
Merck & Co., Inc.
$64.17B3.09$9.44 per share8.36$18.33 per share4.31
Revelation Biosciences, Inc. stock logo
REVB
Revelation Biosciences
N/AN/AN/AN/A$9.02 per shareN/A
CompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings Date
Cyanotech Co. stock logo
CYAN
Cyanotech
-$5.27M-$0.66N/AN/A-19.50%-44.71%-19.12%N/A
Kodiak Sciences Inc. stock logo
KOD
Kodiak Sciences
-$176.21M-$3.63N/AN/AN/AN/A-115.71%-54.17%8/13/2025 (Estimated)
Merck & Co., Inc. stock logo
MRK
Merck & Co., Inc.
$17.12B$6.8711.497.970.8227.27%43.23%17.11%7/29/2025 (Estimated)
Revelation Biosciences, Inc. stock logo
REVB
Revelation Biosciences
-$15.04M-$102.61N/AN/AN/AN/A-299.46%-115.36%8/8/2025 (Estimated)

Latest REVB, MRK, KOD, and CYAN Earnings

DateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails
5/14/2025Q1 2025
Kodiak Sciences Inc. stock logo
KOD
Kodiak Sciences
-$0.89-$1.09-$0.20-$1.09N/AN/A
5/8/2025Q1 2025
Revelation Biosciences, Inc. stock logo
REVB
Revelation Biosciences
-$6.88-$2.11+$4.77-$2.11N/AN/A
4/24/2025Q1 2025
Merck & Co., Inc. stock logo
MRK
Merck & Co., Inc.
$2.16$2.22+$0.06$2.01$15.59 billion$15.53 billion
CompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive Growth
Cyanotech Co. stock logo
CYAN
Cyanotech
N/AN/AN/AN/AN/A
Kodiak Sciences Inc. stock logo
KOD
Kodiak Sciences
N/AN/AN/AN/AN/A
Merck & Co., Inc. stock logo
MRK
Merck & Co., Inc.
$3.244.10%N/A47.16%14 Years
Revelation Biosciences, Inc. stock logo
REVB
Revelation Biosciences
N/AN/AN/AN/AN/A

Latest REVB, MRK, KOD, and CYAN Dividends

AnnouncementCompanyPeriodAmountYieldEx-Dividend DateRecord DatePayable Date
5/27/2025
Merck & Co., Inc. stock logo
MRK
Merck & Co., Inc.
quarterly$0.814.18%6/16/20256/16/20257/8/2025
(Data available from 1/1/2013 forward)
CompanyDebt-to-Equity RatioCurrent RatioQuick Ratio
Cyanotech Co. stock logo
CYAN
Cyanotech
0.11
1.06
0.28
Kodiak Sciences Inc. stock logo
KOD
Kodiak Sciences
N/A
4.62
4.62
Merck & Co., Inc. stock logo
MRK
Merck & Co., Inc.
0.69
1.41
1.16
Revelation Biosciences, Inc. stock logo
REVB
Revelation Biosciences
N/A
3.60
3.60

Institutional Ownership

CompanyInstitutional Ownership
Cyanotech Co. stock logo
CYAN
Cyanotech
24.40%
Kodiak Sciences Inc. stock logo
KOD
Kodiak Sciences
89.06%
Merck & Co., Inc. stock logo
MRK
Merck & Co., Inc.
76.07%
Revelation Biosciences, Inc. stock logo
REVB
Revelation Biosciences
12.80%

Insider Ownership

CompanyInsider Ownership
Cyanotech Co. stock logo
CYAN
Cyanotech
29.10%
Kodiak Sciences Inc. stock logo
KOD
Kodiak Sciences
45.90%
Merck & Co., Inc. stock logo
MRK
Merck & Co., Inc.
0.13%
Revelation Biosciences, Inc. stock logo
REVB
Revelation Biosciences
2.30%
CompanyEmployeesShares OutstandingFree FloatOptionable
Cyanotech Co. stock logo
CYAN
Cyanotech
957.16 million5.07 millionNot Optionable
Kodiak Sciences Inc. stock logo
KOD
Kodiak Sciences
9052.76 million28.55 millionOptionable
Merck & Co., Inc. stock logo
MRK
Merck & Co., Inc.
75,0002.51 billion2.51 billionOptionable
Revelation Biosciences, Inc. stock logo
REVB
Revelation Biosciences
10960,000942,000Not Optionable

Recent News About These Companies

Wall Street Zen Upgrades Revelation Biosciences (NASDAQ:REVB) to "Sell"
Revelation Biosciences reports Q4 EPS ($4.98) vs ($133.64) last year
REVB Start 1B Trial and Announces Split
Revelation Biosciences Inc trading halted, news pending

New MarketBeat Followers Over Time

Media Sentiment Over Time

Cyanotech stock logo

Cyanotech NASDAQ:CYAN

Cyanotech Corp. engages in the cultivation, production, and sale of natural products derived from microalgae for the health and human nutrition markets worldwide. Its products include BioAstin Hawaiian Astaxanthin, a dietary antioxidant, which is used as a human dietary supplement and dietary ingredient to support and maintain the body's natural inflammatory response, enhance skin, and support eye, joint, and immune health; and Hawaiian Spirulina Pacifica, a nutrient-rich dietary supplement that is used for extra energy, a strengthened immune system, cardiovascular benefits, and as a source of antioxidant carotenoids. The company was founded by Gerald R. Cysewski in 1983 and is headquartered in Kailua-Kona, HI.

Kodiak Sciences stock logo

Kodiak Sciences NASDAQ:KOD

$3.70 -0.08 (-2.12%)
Closing price 06/27/2025 04:00 PM Eastern
Extended Trading
$3.85 +0.15 (+4.03%)
As of 06/27/2025 05:50 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.

Kodiak Sciences Inc., a clinical stage biopharmaceutical company, researches, develops, and commercializes therapeutics to treat retinal diseases. Its lead product candidate is tarcocimab tedromer (KSI-301), an anti-vascular endothelial growth factor antibody biopolymer that is in Phase IIb/III clinical study to treat wet age-related macular degeneration (AMD), as well as Phase III clinical study for the treatment of diabetic macular edema, naïve macular edema due to retinal vein occlusion, and non-proliferative diabetic retinopathy. The company's preclinical stage product candidate includes KSI-501, a bispecific conjugate to treat retinal diseases with an inflammatory component; and KSI-601, a triplet biopolymer conjugate for the treatment of dry AMD. The company was formerly known as Oligasis, LLC and changed its name to Kodiak Sciences Inc. in September 2015. Kodiak Sciences Inc. was incorporated in 2009 and is based in Palo Alto, California.

Merck & Co., Inc. stock logo

Merck & Co., Inc. NYSE:MRK

$78.93 +0.10 (+0.13%)
Closing price 06/27/2025 03:59 PM Eastern
Extended Trading
$79.00 +0.07 (+0.10%)
As of 06/27/2025 07:59 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.

Merck & Co., Inc. is a health care company, which engages in the provision of health solutions through its prescription medicines, vaccines, biologic therapies, animal health, and consumer care products. It operates through the following segments: Pharmaceutical, Animal Health, and Other. The Pharmaceutical segment includes human health pharmaceutical and vaccine products. The Animal Health segment discovers, develops, manufactures, and markets animal health products, such as pharmaceutical and vaccine products, for the prevention, treatment and control of disease in livestock, and companion animal species. The Other segment consists of sales for the non-reportable segments of healthcare services. The company was founded in 1891 and is headquartered in Rahway, NJ.

Revelation Biosciences stock logo

Revelation Biosciences NASDAQ:REVB

$0.76 -0.06 (-7.44%)
Closing price 06/27/2025 04:00 PM Eastern
Extended Trading
$0.75 -0.01 (-1.71%)
As of 06/27/2025 07:59 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.

Revelation Biosciences, Inc., a clinical-stage biopharmaceutical company, focuses on the development and commercialization of immune system therapeutics and diagnostics. It engages in developing therapeutic product candidates, including GEM-SSI, a potential therapy for the prevention and treatment of surgical sit infection; GEM-AKI, a potential therapy for the prevention and treatment of acute kidney injury; and GEM-CKD, a potential therapy for the prevention and treatment of chronic kidney disease. The company was founded in 2020 and is based in San Diego, California.