PHAT — Phathom Pharmaceuticals, Inc.
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2019-10-25.
Performance
Technicals
Others in Healthcare
Measured signals that fired on PHAT
| date | signal | measured base rate |
|---|---|---|
| 2026-08-21 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-08-03 | Equal lows taken out structure | -0.64% over 21 days · t = -4.75 · n = 55,661 statistically distinguishable from its control group |
| 2026-07-14 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-06-01 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-04-30 | Equal lows taken out structure | -0.64% over 21 days · t = -4.75 · n = 55,661 statistically distinguishable from its control group |
| 2026-04-01 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-07-14 | Breedlove Robert Charles Principal Accounting Officer | Shares withheld for tax | 1.6K | 11.04 | 17.2K |
| 2026-05-22 | Parikh Asit Director | Gift | 28.0K | 0.00 | 0 |
| 2026-05-22 | Parikh Asit Director | Gift | 28.0K | 0.00 | 0 |
| 2026-05-20 | Parikh Asit Director | Option exercise | 17.5K | 4.95 | 86.6K |
| 2026-05-19 | KARBE FRANK Director | Grant or award | 24.1K | 0.00 | 0 |
| 2026-05-19 | Parikh Asit Director | Grant or award | 24.1K | 0.00 | 0 |
| 2026-05-19 | Stenhouse Mark Director | Grant or award | 24.1K | 0.00 | 0 |
| 2026-05-19 | Schroeder Theodore R Director | Grant or award | 24.1K | 0.00 | 0 |
| 2026-05-19 | FIELDS HEIDI Director | Grant or award | 24.1K | 0.00 | 0 |
| 2026-05-19 | COLA MICHAEL F Director | Grant or award | 24.1K | 0.00 | 0 |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| Frazier Life Sciences Management, L.P. | 138.5M | 12.5M |
| Medicxi Ventures Management (Jersey) Ltd | 82.9M | 7.5M |
| Invesco Ltd. | 48.0M | 4.3M |
| BlackRock, Inc. | 45.1M | 4.1M |
| MILLENNIUM MANAGEMENT LLC | 44.7M | 4.0M |
| Carlyle Group Inc. | 38.8M | 3.5M |
| VANGUARD CAPITAL MANAGEMENT LLC | 28.7M | 2.6M |
| NEA Management Company, LLC | 21.8M | 2.0M |
| 683 Capital Management, LLC | 20.6M | 1.9M |
| Ensign Peak Advisors, Inc | 18.1M | 1.6M |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
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