Value
2.1/10data confidence 67%| Component | Sub-score |
|---|---|
| P/S | 0.3 |
| Fwd P/E | 1.4 |
| PEG | 4.7 |
| Analyst target | 4.0 |
- ▸Forward P/E: 69.8x
- ▸PEG: 1.75
- ▸Expensive valuation
RGEN · Why this verdict
Why Repligen (RGEN) is rated HOLD
Updated
Model-generated analysis — not investment advice. Not a registered investment advisor. Past performance does not guarantee future results. How we score · Editorial policy
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VerdictHOLD
Overall score4.6/10
ConfidenceMEDIUM
MacroRISK_OFF
TrendMatrix Research · core thesis
Engine thesis — one sentence
Repligen Corporation carries exceptional business quality with a perfect Piotroski F-Score of 9/9 and 134% free cash flow conversion, and analysts see 21% upside, but the stock trades at a forward P/E of 51.4x while sitting below its 200-day moving average with elevated bearish options positioning.
Falsifiable statement — pillar-level invalidators below. Engine-derived; not personalized advice.
Thesis pillars
| Pillar | Expectation | Trend |
|---|---|---|
Repligen earned a perfect Piotroski F-Score of 9/9 with 134% free cash flow conversion relative to net income and a confirmed competitive moat score of 7.1 out of 10, indicating a high-quality business model in medical instruments and bioprocessing supplies. Quality breakdown | Piotroski F-Score remains at 8 or above and free cash flow conversion stays above 100% of net income over the next 4 quarters. | ↓Deteriorating |
| CounterDespite the strong quality indicators, return on equity and return on assets are both scored near the bottom of the quality dimension, suggesting the moat has not yet translated into superior capital returns. | ||
The company has beaten earnings estimates in 3 of the last 4 quarters with average positive surprises of 22.9%, 10.4%, and 10.9% in the three most recent beats, demonstrating consistent outperformance of consensus expectations. Earnings | Earnings beats continue in at least 3 of the next 4 quarters, with average surprise remaining above 5%. | ↓Deteriorating |
| CounterThe one miss in July 2025 saw a -5% shortfall, and with a forward P/E of 51.4x, any earnings disappointment at this valuation level could produce outsized stock price declines. | ||
At a forward P/E of 51.4x and PEG of 2.06, the stock commands a significant growth premium, with analysts still seeing 21% upside to a price target of approximately $158, suggesting the premium is supported by expected growth acceleration. Valuation breakdown | The stock reaches at least $155 within 18 months as earnings growth justifies the valuation premium. | →Stable |
| CounterA PEG ratio above 2.0 combined with a stock trading below its 200-day moving average indicates that growth expectations may already be partially de-rated, with further valuation compression possible if growth disappoints. | ||
The elevated put/call ratio of 1.62 and implied volatility of 84% indicate meaningful bearish hedging activity in the options market, which combined with 11% short interest suggests significant skepticism about near-term price appreciation. Risk breakdown | Put/call ratio declines below 1.0 and short interest falls below 7% over the next 12 months as the earnings recovery thesis proves out. | ↑Improving |
| CounterElevated put/call ratios can be contrarian signals when institutional hedgers are protecting existing long positions rather than expressing directional bearish views, especially when underlying business quality is high. | ||
Repligen earned a perfect Piotroski F-Score of 9/9 with 134% free cash flow conversion relative to net income and a confirmed competitive moat score of 7.1 out of 10, indicating a high-quality business model in medical instruments and bioprocessing supplies.
↓DeterioratingQuality breakdown
- Expectation
- Piotroski F-Score remains at 8 or above and free cash flow conversion stays above 100% of net income over the next 4 quarters.
CounterDespite the strong quality indicators, return on equity and return on assets are both scored near the bottom of the quality dimension, suggesting the moat has not yet translated into superior capital returns.
The company has beaten earnings estimates in 3 of the last 4 quarters with average positive surprises of 22.9%, 10.4%, and 10.9% in the three most recent beats, demonstrating consistent outperformance of consensus expectations.
↓DeterioratingEarnings
- Expectation
- Earnings beats continue in at least 3 of the next 4 quarters, with average surprise remaining above 5%.
CounterThe one miss in July 2025 saw a -5% shortfall, and with a forward P/E of 51.4x, any earnings disappointment at this valuation level could produce outsized stock price declines.
At a forward P/E of 51.4x and PEG of 2.06, the stock commands a significant growth premium, with analysts still seeing 21% upside to a price target of approximately $158, suggesting the premium is supported by expected growth acceleration.
→StableValuation breakdown
- Expectation
- The stock reaches at least $155 within 18 months as earnings growth justifies the valuation premium.
CounterA PEG ratio above 2.0 combined with a stock trading below its 200-day moving average indicates that growth expectations may already be partially de-rated, with further valuation compression possible if growth disappoints.
The elevated put/call ratio of 1.62 and implied volatility of 84% indicate meaningful bearish hedging activity in the options market, which combined with 11% short interest suggests significant skepticism about near-term price appreciation.
↑ImprovingRisk breakdown
- Expectation
- Put/call ratio declines below 1.0 and short interest falls below 7% over the next 12 months as the earnings recovery thesis proves out.
CounterElevated put/call ratios can be contrarian signals when institutional hedgers are protecting existing long positions rather than expressing directional bearish views, especially when underlying business quality is high.
Per-dimension breakdown
Quality
4.2/10data confidence 100%| Component | Sub-score |
|---|---|
| ROE | 0.0 |
| ROA | 0.9 |
| Gross margin | 6.8 |
| Op margin | 2.5 |
| Net margin | 0.0 |
| Current ratio | 5.0 |
| FCF quality | 5.7 |
| Moat | 6.5 |
| Piotroski F | 10.0 |
- ▸FCF-positive but moderate margins (FCF margin 14%, FCF yield 0.9%)
- ▸Strong Piotroski F-Score: 9/9
Growth
5.2/10data confidence 33%| Component | Sub-score |
|---|---|
| Rev growth | 5.2 |
Momentum
5.8/10data confidence 100%| Component | Sub-score |
|---|---|
| RSI | 5.0 |
| MACD | 10.0 |
| OBV | 1.0 |
| MA position | 9.0 |
| Volume | 3.8 |
- ▸Volume distribution (falling OBV)
- ▸Above 200-day MA
Sentiment
7.3/10data confidence 100%| Component | Sub-score |
|---|---|
| LLM sentiment | 7.9 |
| Analyst rating | 7.4 |
| Price target | 6.4 |
- ▸LLM news sentiment: +0.57 (n=2)
Insider
4.2/10data confidence 100%| Component | Sub-score |
|---|---|
| materiality | 4.5 |
| insider conviction | 2.0 |
| holder change | 5.3 |
| notable moves | 5.0 |
- ▸Modest insider selling — $5,953,260 (0.051% of mkt cap)
Peer rank
3.9/10data confidence 80%| Component | Sub-score |
|---|---|
| value rank | 0.4 |
| quality rank | 3.2 |
| growth rank | 6.4 |
Technical
4.8/10data confidence 100%| Component | Sub-score |
|---|---|
| bollinger | 1.8 |
| support resistance | 2.6 |
| 52w position | 8.6 |
| gap | 6.0 |
Risk (lower is worse)
3.8/10data confidence 100%| Component | Sub-score |
|---|---|
| short interest | 4.4 |
| days to cover | 5.0 |
| volatility | 0.9 |
| put call | 0.0 |
| implied vol | 4.8 |
| max pain risk | 3.0 |
| debt equity | 8.7 |
- ▸Elevated put/call: 8.26
- ▸Above max pain $55
- ▸Concentration risks: 1 HIGH, 2 MED (10-K Item 1A — sized via position_sizing, validated via buy_confidence)
Catalyst
7.2/10data confidence 100%| Component | Sub-score |
|---|---|
| erm | 5.0 |
| earnings history | 10.0 |
| earnings timing | 5.0 |
| surprise avg | 10.0 |
| news activity | 6.0 |
- ▸Perfect beat streak: 4Q
How the verdict was assembled
Engine trigger
Multiple concerning factors. Consider reducing position. | News modifier +2 (SELL_IF_HOLDING → HOLD_IF_HOLDING).
Engine technical detail
verdict_path:
L4:PATH_F_SELL|L3:NEWS_MOD=+2Passed (7)
- MOMENTUM:5.8>=5.5
- INSIDER:OK
- 8K:CLEAN
- NEWS_BOOST:ANALYST:0.60
- EARNINGS_PROXIMITY:116d clear
- SEMI_CYCLE_PEAK:CLEAR
- MATERIALS_CYCLE_PEAK:CLEAR
Failed (1)
- ASYMMETRY:-0.1=NEGATIVE
Warning (0)
none
Reward-to-Risk
-0.10
Upside
-1.5%
Downside
14.8%
Sizing output
AVOID
SetupBreakout — Golden cross, above all MAs, RSI 69, MACD bullish
EdgeNo clear edge — No clear edge identified
SuitabilityModerate — Balanced profile
Investment implication
The F-path SELL output reflects an overall score of 4.6 below the 5.6 soft trigger — multiple weakening dimensions accumulated rather than a single hard-floor breach. The strongest dimension ( Sentiment at 7.3) was not enough to lift the adjusted overall above the threshold. Co-occurring failed gates ( ASYMMETRY:-0.1=NEGATIVE) reinforce the read. Current asymmetry R:R is -0.10 — supplementary context, not the trigger for this path.
The strongest dimensions are Sentiment at 7.3, Catalyst at 7.2, and Momentum at 5.8; the weakest are Value at 2.1, Risk (lower is worse) at 3.8, and Peer rank at 3.9. The V9 engine flagged 1 failed gate, producing an asymmetric reward-to-risk of -0.10 and an engine sizing output of AVOID.
What would invalidate the thesis
Falsifying conditions — when triggered, the corresponding pillar's thesis is invalidated.
- P1Exceptional Financial Quality
Trip ifPiotroski F-Score drops below 7 in any reported period or free cash flow conversion falls below 80% of net income.
- P2Earnings Beat Streak
Trip ifEarnings surprise falls below -5% in at least 2 of the next 4 quarters.
- P3Valuation Premium Risk
Trip ifStock fails to reach above $155 within 18 months from today's price of $130.87.
- P4Bearish Options Positioning
Trip ifPut/call ratio rises above 2.0 or short interest rises above 15%.