MRK vs. RGEN: Merck vs. Repligen Stock Comparison
How do Merck (MRK) and Repligen (RGEN) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.
Company Profile
Merck (MRK) and Repligen (RGEN) both fall under the Pharmaceuticals, Biotechnology & Life Sciences industry group, but MRK is classified in Pharmaceuticals while RGEN is classified in Life Sciences Tools & Services.
| Profile Item | MRK | RGEN |
|---|---|---|
| Name | Merck & Co., Inc. | Repligen Corporation |
| Country/Region | United States | United States |
| GICS Sector | Health Care | Health Care |
| GICS Industry Group | Pharmaceuticals, Biotechnology & Life Sciences | Pharmaceuticals, Biotechnology & Life Sciences |
| GICS Industry | Pharmaceuticals | Life Sciences Tools & Services |
| GICS Sub-Industry | Pharmaceuticals | Life Sciences Tools & Services |
| Market Capitalization | 361.73 billion USD | 11.09 billion USD |
| Currency | USD | USD |
| Exchange | NYSE | Nasdaq |
| Listing Date | January 2, 1962 | April 29, 1986 |
| Security Type | Common Stock | Common Stock |
Price Performance
Cumulative Growth
Trailing Returns
Calendar-Year Returns
Performance Metrics
| Metric | MRK | RGEN |
|---|---|---|
| Total Return (1Y) | 76.14% | 23.28% |
| Total Return (3Y, Annualized) | 16.48% | 6.20% |
| Total Return (5Y, Annualized) | 15.77% | -8.41% |
Risk Profile
Drawdown History
Return Distribution
Risk Metrics
| Metric | MRK | RGEN |
|---|---|---|
| Volatility (1Y, Annualized) | 30.24% | 46.73% |
| Beta (5Y) | 0.11 | 1.11 |
| Max Drawdown (5Y) | -43.44% | -64.67% |
| Avg. Volume (3M) | 10.24M | 1.18M |
Risk-Adjusted Performance
Risk-Return Positioning
Risk-Adjusted Metrics
| Metric | MRK | RGEN |
|---|---|---|
| Sharpe Ratio (1Y) | 2.38 | 0.41 |
| Sortino Ratio (1Y) | 4.33 | 0.60 |
Profitability
ROE (TTM)
Repligen (RGEN) reports a negative ROE of -0.57%; negative ROE can reflect losses or negative shareholders’ equity, so it is harder to read as capital efficiency. Meanwhile Merck (MRK) reports 5.06%, ranking against industry peers normally.
MRK
Pharmaceuticals, Biotechnology & Life Sciences industry group
5.06%
- Max
- 109.18%
- Q3
- 6.23%
- MRK
- 5.06%
- Median
- -26.66%
- Q1
- -64.05%
- Min
- -167.77%
RGEN
Pharmaceuticals, Biotechnology & Life Sciences industry group
-0.57%
- Max
- 109.18%
- Q3
- 6.23%
- RGEN
- -0.57%
- Median
- -26.66%
- Q1
- -64.05%
- Min
- -167.77%
Net Margin (TTM)
Repligen (RGEN) reports a negative net margin of -1.47%, usually indicating a net loss over the period. Meanwhile Merck (MRK) reports 3.64%, ranking against industry peers normally.
MRK
Pharmaceuticals, Biotechnology & Life Sciences industry group
3.64%
- Max
- 18.05%
- Q3
- 4.78%
- MRK
- 3.64%
- Median
- 0.00%
- Q1
- -4.14%
- Min
- -17.05%
RGEN
Pharmaceuticals, Biotechnology & Life Sciences industry group
-1.47%
- Max
- 18.05%
- Q3
- 4.78%
- Median
- 0.00%
- RGEN
- -1.47%
- Q1
- -4.14%
- Min
- -17.05%
Operating Margin (TTM)
Merck (MRK) at 35.22% operates in the top operating margin quartile, ahead of Repligen (RGEN) at 6.19%, which runs around its industry’s norm.
MRK
Pharmaceuticals, Biotechnology & Life Sciences industry group
35.22%
- Max
- 83.12%
- MRK
- 35.22%
- Q3
- 14.77%
- Median
- 0.00%
- Q1
- -78.82%
- Min
- -207.40%
RGEN
Pharmaceuticals, Biotechnology & Life Sciences industry group
6.19%
- Max
- 83.12%
- Q3
- 14.77%
- RGEN
- 6.19%
- Median
- 0.00%
- Q1
- -78.82%
- Min
- -207.40%
Profitability Metrics
| Metric | MRK | RGEN |
|---|---|---|
| ROE (TTM) | 5.06% | -0.57% |
| ROA (TTM) | 11.29% | 1.40% |
| Net Margin (TTM) | 3.64% | -1.47% |
| Operating Margin (TTM) | 35.22% | 6.19% |
| Gross Margin (TTM) | 75.20% | 53.77% |
Growth
Revenue Growth
Both Merck (MRK) at 1.31% and Repligen (RGEN) at 16.36% land near their industries' usual revenue growth ranges, so top-line momentum looks broadly in line with peers on both sides.
EPS Growth
Only one side can be read here: Merck (MRK) reports EPS growth of 8.01%, ranked against its industry; Repligen (RGEN) has no EPS growth figure this period.
Growth Metrics
| Metric | MRK | RGEN |
|---|---|---|
| Revenue Growth (YoY) | 1.31% | 16.36% |
| Revenue Growth (3Y CAGR) | 3.12% | -2.70% |
| EPS Growth (YoY) | 8.01% | -- |
| EPS Growth (3Y CAGR) | 8.43% | -35.73% |
Financial Strength
Current Ratio (MRQ)
Repligen (RGEN) at 9.88 keeps current ratio within its industry’s typical mid-range, while Merck (MRK) at 1.35 runs in the tighter-liquidity quartile — a thinner cushion against current liabilities for MRK.
MRK
Pharmaceuticals, Biotechnology & Life Sciences industry group
1.35
- Max
- 25.13
- Q3
- 12.13
- Median
- 5.52
- Q1
- 2.47
- MRK
- 1.35
- Min
- 0.10
RGEN
Pharmaceuticals, Biotechnology & Life Sciences industry group
9.88
- Max
- 25.13
- Q3
- 12.13
- RGEN
- 9.88
- Median
- 5.52
- Q1
- 2.47
- Min
- 0.10
Debt / Equity (MRQ)
Repligen (RGEN) at 0.33 carries an industry-typical debt-to-equity mix, while Merck (MRK) at 1.20 uses more debt funding than most peers.
MRK
Pharmaceuticals, Biotechnology & Life Sciences industry group
1.20
- Max
- 1.42
- MRK
- 1.20
- Q3
- 0.65
- Median
- 0.15
- Q1
- 0.02
- Min
- 0.00
RGEN
Pharmaceuticals, Biotechnology & Life Sciences industry group
0.33
- Max
- 1.42
- Q3
- 0.65
- RGEN
- 0.33
- Median
- 0.15
- Q1
- 0.02
- Min
- 0.00
Financial Strength Metrics
| Metric | MRK | RGEN |
|---|---|---|
| Current Ratio (MRQ) | 1.35 | 9.88 |
| Debt / Equity (MRQ) | 1.20 | 0.33 |
| Net Debt / EBITDA | 1.50 | -1.19 |
Dividends
Dividend Yield (TTM)
Repligen (RGEN) pays no dividend (yield 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Merck (MRK) reports a yield of 2.29%, ranking against industry peers normally.
MRK
Pharmaceuticals, Biotechnology & Life Sciences industry group
2.29%
- MRK
- 2.29%
- Max
- 0.00%
- Q3
- 0.00%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
RGEN
Pharmaceuticals, Biotechnology & Life Sciences industry group
0.00%
- RGEN
- 0.00%
- Max
- 0.00%
- Q3
- 0.00%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
Dividend Payout Ratio (TTM)
Merck (MRK) reports payout ratio above 100% at 343.43%, meaning dividends exceeded current-period earnings; Repligen (RGEN) pays no dividend (payout 0.00%).
MRK
Pharmaceuticals, Biotechnology & Life Sciences industry group
343.43%
- MRK
- 343.43%
- Max
- 0.00%
- Q3
- 0.00%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
RGEN
Pharmaceuticals, Biotechnology & Life Sciences industry group
0.00%
- RGEN
- 0.00%
- Max
- 0.00%
- Q3
- 0.00%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
Dividend Metrics
| Metric | MRK | RGEN |
|---|---|---|
| Dividend Yield (TTM) | 2.29% | 0.00% |
| Dividend Payout Ratio (TTM) | 343.43% | 0.00% |
Valuation
P/E Ratio (TTM)
An earnings multiple is available for just one side: Merck (MRK) trades at 148.21 times trailing earnings, ranked against its peers, while Repligen (RGEN) has no P/E ratio this period.
MRK
Pharmaceuticals, Biotechnology & Life Sciences industry group
148.21
- MRK
- 148.21
- Max
- 85.34
- Q3
- 43.46
- Median
- 26.69
- Q1
- 13.30
- Min
- 0.07
RGEN
Pharmaceuticals, Biotechnology & Life Sciences industry group
--
- Max
- 85.34
- Q3
- 43.46
- Median
- 26.69
- Q1
- 13.30
- Min
- 0.07
- RGEN
- --
P/S Ratio (TTM)
On P/S ratio, both Merck (MRK) at 5.37 and Repligen (RGEN) at 13.77 are priced roughly in line with their industries — neither looks cheap nor rich on a sales basis.
MRK
Pharmaceuticals, Biotechnology & Life Sciences industry group
5.37
- Max
- 58.18
- Q3
- 25.77
- Median
- 7.30
- MRK
- 5.37
- Q1
- 3.01
- Min
- 0.01
RGEN
Pharmaceuticals, Biotechnology & Life Sciences industry group
13.77
- Max
- 58.18
- Q3
- 25.77
- RGEN
- 13.77
- Median
- 7.30
- Q1
- 3.01
- Min
- 0.01
P/B Ratio (MRQ)
Repligen (RGEN) at 4.70 is valued about in line with its industry on P/B ratio, while Merck (MRK) at 8.06 carries an above-peer premium to book — MRK is pricier on assets.
MRK
Pharmaceuticals, Biotechnology & Life Sciences industry group
8.06
- Max
- 13.53
- MRK
- 8.06
- Q3
- 6.54
- Median
- 3.25
- Q1
- 1.69
- Min
- -5.59
RGEN
Pharmaceuticals, Biotechnology & Life Sciences industry group
4.70
- Max
- 13.53
- Q3
- 6.54
- RGEN
- 4.70
- Median
- 3.25
- Q1
- 1.69
- Min
- -5.59
Valuation Metrics
| Metric | MRK | RGEN |
|---|---|---|
| P/E Ratio (TTM) | 148.21 | -- |
| P/S Ratio (TTM) | 5.37 | 13.77 |
| P/B Ratio (MRQ) | 8.06 | 4.70 |
| Free Cash Flow Yield (TTM) | 3.88% | 1.01% |