BIIB
Price
$140.67
Change
+$0.73 (+0.52%)
Updated
Sep 5 closing price
Capitalization
20.62B
44 days until earnings call
GRFS
Price
$10.13
Change
+$0.23 (+2.32%)
Updated
Sep 5 closing price
Capitalization
8.66B
59 days until earnings call
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BIIB vs GRFS

Header iconBIIB vs GRFS Comparison
Open Charts BIIB vs GRFSBanner chart's image
Biogen
Price$140.67
Change+$0.73 (+0.52%)
Volume$1.56M
Capitalization20.62B
Grifols SA
Price$10.13
Change+$0.23 (+2.32%)
Volume$424K
Capitalization8.66B
BIIB vs GRFS Comparison Chart in %
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BIIB
Daily Signalchanged days ago
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GRFS
Daily Signalchanged days ago
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BIIB vs. GRFS commentary
Sep 08, 2025

To compare these two companies we present long-term analysis, their fundamental ratings and make comparative short-term technical analysis which are presented below. The conclusion is BIIB is a StrongBuy and GRFS is a Hold.

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COMPARISON
Comparison
Sep 08, 2025
Stock price -- (BIIB: $140.67 vs. GRFS: $10.13)
Brand notoriety: BIIB: Notable vs. GRFS: Not notable
Both companies represent the Pharmaceuticals: Major industry
Current volume relative to the 65-day Moving Average: BIIB: 109% vs. GRFS: 40%
Market capitalization -- BIIB: $20.62B vs. GRFS: $8.66B
BIIB [@Pharmaceuticals: Major] is valued at $20.62B. GRFS’s [@Pharmaceuticals: Major] market capitalization is $8.66B. The market cap for tickers in the [@Pharmaceuticals: Major] industry ranges from $651.91B to $0. The average market capitalization across the [@Pharmaceuticals: Major] industry is $89.97B.

Long-Term Analysis

It is best to consider a long-term outlook for a ticker by using Fundamental Analysis (FA) ratings. The rating of 1 to 100, where 1 is best and 100 is worst, is divided into thirds. The first third (a green rating of 1-33) indicates that the ticker is undervalued; the second third (a grey number between 34 and 66) means that the ticker is valued fairly; and the last third (red number of 67 to 100) reflects that the ticker is undervalued. We use an FA Score to show how many ratings show the ticker to be undervalued (green) or overvalued (red).

BIIB’s FA Score shows that 0 FA rating(s) are green whileGRFS’s FA Score has 1 green FA rating(s).

  • BIIB’s FA Score: 0 green, 5 red.
  • GRFS’s FA Score: 1 green, 4 red.
According to our system of comparison, GRFS is a better buy in the long-term than BIIB.

Short-Term Analysis

It is best to consider a short-term outlook for a ticker by using Technical Analysis (TA) indicators. We use Odds of Success as the percentage of outcomes which confirm successful trade signals in the past.

If the Odds of Success (the likelihood of the continuation of a trend) for each indicator are greater than 50%, then the generated signal is confirmed. A green percentage from 90% to 51% indicates that the ticker is in a bullish trend. A red percentage from 90% - 51% indicates that the ticker is in a bearish trend. All grey percentages are below 50% and are considered not to confirm the trend signal.

BIIB’s TA Score shows that 7 TA indicator(s) are bullish while GRFS’s TA Score has 6 bullish TA indicator(s).

  • BIIB’s TA Score: 7 bullish, 2 bearish.
  • GRFS’s TA Score: 6 bullish, 3 bearish.
According to our system of comparison, BIIB is a better buy in the short-term than GRFS.

Price Growth

BIIB (@Pharmaceuticals: Major) experienced а +6.39% price change this week, while GRFS (@Pharmaceuticals: Major) price change was +1.60% for the same time period.

The average weekly price growth across all stocks in the @Pharmaceuticals: Major industry was +1.16%. For the same industry, the average monthly price growth was +3.94%, and the average quarterly price growth was +10.41%.

Reported Earning Dates

BIIB is expected to report earnings on Oct 22, 2025.

GRFS is expected to report earnings on Nov 06, 2025.

Industries' Descriptions

@Pharmaceuticals: Major (+1.16% weekly)

The Major Pharmaceuticals industry includes companies that are involved in various processes of creating drugs to treat/prevent diseases. These companies engage in research, testing and manufacturing, as well as the distribution of pharmaceuticals into markets. Johnson & Johnson, Merck & Co., Inc., Pfizer Inc. and Novartis are among the largest companies in this category.

SUMMARIES
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FUNDAMENTALS
Fundamentals
BIIB($20.6B) has a higher market cap than GRFS($8.66B). GRFS has higher P/E ratio than BIIB: GRFS (19.75) vs BIIB (13.46). GRFS YTD gains are higher at: 38.452 vs. BIIB (-8.011).
BIIBGRFSBIIB / GRFS
Capitalization20.6B8.66B238%
EBITDA2.79BN/A-
Gain YTD-8.01138.452-21%
P/E Ratio13.4619.7568%
Revenue10BN/A-
Total Cash2.76BN/A-
Total Debt6.6BN/A-
FUNDAMENTALS RATINGS
BIIB vs GRFS: Fundamental Ratings
BIIB
GRFS
OUTLOOK RATING
1..100
5050
VALUATION
overvalued / fair valued / undervalued
1..100
91
Overvalued
21
Undervalued
PROFIT vs RISK RATING
1..100
100100
SMR RATING
1..100
7484
PRICE GROWTH RATING
1..100
5749
P/E GROWTH RATING
1..100
9491
SEASONALITY SCORE
1..100
5050

Tickeron ratings are formulated such that a rating of 1 designates the most successful stocks in a given industry, while a rating of 100 points to the least successful stocks for that industry.

GRFS's Valuation (21) in the Pharmaceuticals Major industry is significantly better than the same rating for BIIB (91) in the Biotechnology industry. This means that GRFS’s stock grew significantly faster than BIIB’s over the last 12 months.

GRFS's Profit vs Risk Rating (100) in the Pharmaceuticals Major industry is in the same range as BIIB (100) in the Biotechnology industry. This means that GRFS’s stock grew similarly to BIIB’s over the last 12 months.

BIIB's SMR Rating (74) in the Biotechnology industry is in the same range as GRFS (84) in the Pharmaceuticals Major industry. This means that BIIB’s stock grew similarly to GRFS’s over the last 12 months.

GRFS's Price Growth Rating (49) in the Pharmaceuticals Major industry is in the same range as BIIB (57) in the Biotechnology industry. This means that GRFS’s stock grew similarly to BIIB’s over the last 12 months.

GRFS's P/E Growth Rating (91) in the Pharmaceuticals Major industry is in the same range as BIIB (94) in the Biotechnology industry. This means that GRFS’s stock grew similarly to BIIB’s over the last 12 months.

TECHNICAL ANALYSIS
Technical Analysis
BIIBGRFS
RSI
ODDS (%)
N/A
Bearish Trend 4 days ago
79%
Stochastic
ODDS (%)
Bullish Trend 4 days ago
55%
Bullish Trend 4 days ago
72%
Momentum
ODDS (%)
Bullish Trend 4 days ago
53%
Bullish Trend 4 days ago
79%
MACD
ODDS (%)
Bullish Trend 4 days ago
50%
Bearish Trend 4 days ago
69%
TrendWeek
ODDS (%)
Bullish Trend 4 days ago
55%
Bullish Trend 4 days ago
75%
TrendMonth
ODDS (%)
Bullish Trend 4 days ago
57%
Bearish Trend 4 days ago
71%
Advances
ODDS (%)
Bullish Trend 6 days ago
55%
Bullish Trend 4 days ago
73%
Declines
ODDS (%)
Bearish Trend 11 days ago
69%
Bearish Trend 6 days ago
74%
BollingerBands
ODDS (%)
Bearish Trend 4 days ago
78%
Bullish Trend 4 days ago
79%
Aroon
ODDS (%)
Bullish Trend 4 days ago
57%
Bullish Trend 4 days ago
76%
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BIIB
Daily Signalchanged days ago
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GRFS
Daily Signalchanged days ago
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BIIB and

Correlation & Price change

A.I.dvisor indicates that over the last year, BIIB has been loosely correlated with PFE. These tickers have moved in lockstep 54% of the time. This A.I.-generated data suggests there is some statistical probability that if BIIB jumps, then PFE could also see price increases.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To BIIB
1D Price
Change %
BIIB100%
+0.52%
PFE - BIIB
54%
Loosely correlated
+1.39%
MRK - BIIB
49%
Loosely correlated
+0.79%
AMGN - BIIB
49%
Loosely correlated
+1.26%
NVS - BIIB
45%
Loosely correlated
+1.02%
GSK - BIIB
44%
Loosely correlated
+2.25%
More

GRFS and

Correlation & Price change

A.I.dvisor tells us that GRFS and BIIB have been poorly correlated (+26% of the time) for the last year. This A.I.-generated data suggests there is low statistical probability that GRFS and BIIB's prices will move in lockstep.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To GRFS
1D Price
Change %
GRFS100%
+2.32%
BIIB - GRFS
26%
Poorly correlated
+0.52%
GIFOF - GRFS
26%
Poorly correlated
N/A
GILD - GRFS
25%
Poorly correlated
+2.02%
NVO - GRFS
21%
Poorly correlated
-1.62%
SNY - GRFS
20%
Poorly correlated
+2.58%
More