Phathom Pharmaceuticals, Inc. (PHAT) Stock Price History
Historical prices from 2019 to 2026
- 1M
- -4.5%
- 3M
- -0.7%
- YTD
- -30.7%
- 1Y
- -0.2%
- 3Y
- -4.4%
- 5Y
- -20.8%
Loading 10-year price history...
PHAT Historical Performance
PHAT Annual Returns
Year-by-year price performance · 2019–2026
- 2019 annual price return
- +26.6%
- 2020 annual price return
- +11.1%
- 2021 annual price return
- -41.9%
- 2022 annual price return
- -43.8%
- 2023 annual price return
- -23.9%
- 2024 annual price return
- -11.5%
- 2025 annual price return
- +126.3%
- 2026 annual price return
- -20.1%
PHAT Stock Price Trajectory (2019–2026)
As of June 22, 2026, Phathom Pharmaceuticals, Inc. (PHAT) trades at $10.88, representing a -0.2% return over the past year. The stock has delivered a -68.9% total return over five years (-20.8% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $64.54 on June 8, 2020. From this peak, PHAT has corrected -83.1%, currently trading 15% below its 200-day moving average, suggesting potential weakness.
When compared to Healthcare sector peers ACAD (-5.8% 1Y), SUPN (+34.6% 1Y), and PRGO (-61.1% 1Y), PHAT has underperformed the peer group average. Compare PHAT vs ACAD →
PHAT Historical Price Data · from 2019
Rows 1–50 of 1,671| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-06-18 | 11.24 | 11.34 | 10.59 | 10.88 | 1.01M | -1.09% |
| 2026-06-17 | 10.49 | 11.18 | 10.49 | 11.00 | 839K | +5.47% |
| 2026-06-16 | 10.71 | 10.76 | 10.38 | 10.43 | 736K | -2.61% |
| 2026-06-15 | 10.32 | 10.86 | 10.32 | 10.71 | 663K | +3.28% |
| 2026-06-12 | 10.46 | 10.64 | 10.32 | 10.37 | 548K | +0.97% |
| 2026-06-11 | 9.88 | 10.48 | 9.75 | 10.27 | 786K | +4.58% |
| 2026-06-10 | 9.93 | 10.26 | 9.74 | 9.82 | 794K | 0.00% |
| 2026-06-09 | 10.19 | 10.23 | 9.79 | 9.82 | 774K | -1.80% |
| 2026-06-08 | 10.18 | 10.35 | 9.76 | 10.00 | 713K | -1.28% |
| 2026-06-05 | 9.80 | 10.20 | 9.78 | 10.13 | 1.14M | +2.74% |
| 2026-06-04 | 10.31 | 10.33 | 9.75 | 9.86 | 1.03M | -2.28% |
| 2026-06-03 | 9.63 | 10.22 | 9.53 | 10.09 | 1.99M | +4.56% |
| 2026-06-02 | 9.07 | 9.75 | 8.78 | 9.65 | 1.75M | +4.44% |
| 2026-06-01 | 9.59 | 9.59 | 9.21 | 9.24 | 1.57M | -3.65% |
| 2026-05-29 | 10.31 | 10.45 | 9.50 | 9.59 | 1.60M | -7.07% |
| 2026-05-28 | 10.61 | 10.75 | 10.25 | 10.32 | 1.55M | -3.91% |
| 2026-05-27 | 11.11 | 11.38 | 10.73 | 10.74 | 1.08M | -3.24% |
| 2026-05-26 | 11.47 | 11.52 | 11.03 | 11.10 | 814K | -2.03% |
| 2026-05-22 | 11.64 | 11.97 | 11.33 | 11.33 | 735K | -2.16% |
| 2026-05-21 | 11.89 | 11.95 | 11.45 | 11.58 | 650K | -2.44% |
| 2026-05-20 | 11.65 | 11.97 | 11.35 | 11.87 | 983K | +4.12% |
| 2026-05-19 | 11.26 | 11.87 | 11.19 | 11.40 | 992K | +0.09% |
| 2026-05-18 | 12.07 | 12.17 | 11.38 | 11.39 | 1.31M | -4.04% |
| 2026-05-15 | 12.81 | 12.97 | 11.86 | 11.87 | 1.10M | -9.04% |
| 2026-05-14 | 12.61 | 13.39 | 12.24 | 13.05 | 1.66M | +3.90% |
| 2026-05-13 | 12.58 | 12.78 | 11.94 | 12.56 | 1.13M | +0.24% |
| 2026-05-12 | 12.22 | 12.64 | 12.12 | 12.53 | 1.01M | +2.54% |
| 2026-05-11 | 12.40 | 12.47 | 11.98 | 12.22 | 905K | +0.49% |
| 2026-05-08 | 12.27 | 12.39 | 11.93 | 12.16 | 624K | -0.57% |
| 2026-05-07 | 12.58 | 12.74 | 11.76 | 12.23 | 804K | -3.47% |
| 2026-05-06 | 12.71 | 12.90 | 12.35 | 12.67 | 764K | +0.60% |
| 2026-05-05 | 12.87 | 12.95 | 12.21 | 12.60 | 1.07M | -2.14% |
| 2026-05-04 | 11.92 | 13.00 | 11.56 | 12.87 | 1.94M | +7.16% |
| 2026-05-01 | 11.54 | 12.16 | 11.35 | 12.01 | 1.90M | +7.23% |
| 2026-04-30 | 11.46 | 11.82 | 9.73 | 11.20 | 4.21M | -4.92% |
| 2026-04-29 | 11.28 | 12.23 | 10.95 | 11.78 | 2.89M | +3.97% |
| 2026-04-28 | 11.73 | 11.81 | 11.08 | 11.33 | 1.41M | -2.24% |
| 2026-04-27 | 11.61 | 12.01 | 11.32 | 11.59 | 1.19M | -0.94% |
| 2026-04-24 | 12.19 | 12.19 | 11.37 | 11.70 | 1.43M | -3.78% |
| 2026-04-23 | 11.58 | 12.17 | 11.43 | 12.16 | 1.24M | +3.67% |
| 2026-04-22 | 13.04 | 13.18 | 11.66 | 11.73 | 2.04M | -8.93% |
| 2026-04-21 | 13.51 | 13.51 | 12.52 | 12.88 | 1.41M | -4.38% |
| 2026-04-20 | 13.15 | 13.66 | 13.00 | 13.47 | 753K | +2.12% |
| 2026-04-17 | 12.88 | 13.27 | 12.66 | 13.19 | 905K | +4.60% |
| 2026-04-16 | 12.80 | 12.93 | 12.48 | 12.61 | 804K | -1.41% |
| 2026-04-15 | 12.95 | 13.00 | 12.69 | 12.79 | 490K | +0.95% |
| 2026-04-14 | 12.68 | 13.08 | 12.53 | 12.67 | 1.02M | 0.00% |
| 2026-04-13 | 12.58 | 13.09 | 12.58 | 12.67 | 954K | +0.32% |
| 2026-04-10 | 12.83 | 13.19 | 12.51 | 12.63 | 1.42M | -0.08% |
| 2026-04-09 | 11.64 | 12.77 | 11.60 | 12.64 | 1.66M | +7.03% |
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
PHAT — Frequently Asked Questions
Quick answers to the most common questions about buying PHAT stock.
How has PHAT stock performed recently?
PHAT declined -0.2% over the past year, below its 5-year annualized CAGR of -20.8%. The stock trades below its 200-day moving average, reflecting the downtrend.
What is PHAT's all-time high price?
Phathom Pharmaceuticals, Inc. reached $64.54 on 2020-06-08. The 52-week high is $18.31. Current 1-year return of -0.2% places the stock further from historical peaks.
Where can I download PHAT historical price data?
This page provides PHAT daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2019-2026, downloadable in CSV format.