AXSM — Axsome Therapeutics, 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 2016-01-04.
Performance
Technicals
Others in Healthcare
Measured signals that fired on AXSM
| date | signal | measured base rate |
|---|---|---|
| 2026-08-20 | Equal lows taken out structure | -0.64% over 21 days · t = -4.75 · n = 55,661 statistically distinguishable from its control group |
| 2026-08-03 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-07-13 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-06-26 | Volume shock without a price move price | -1.33% over 21 days · t = -4.53 · n = 16,432 statistically distinguishable from its control group |
| 2026-06-10 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-05-26 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 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 |
|---|---|---|---|---|---|
| 2026-08-06 | TABUTEAU HERRIOT Chief Executive Officer | Open-market sale 10b5-1 plan | 4.7K | 213.95 | 997.0K |
| 2026-08-06 | TABUTEAU HERRIOT Chief Executive Officer | Option exercise 10b5-1 plan | 4.7K | 4.95 | 23.1K |
| 2026-08-05 | TABUTEAU HERRIOT Chief Executive Officer | Open-market sale 10b5-1 plan | 45.0K | 212.01 | 9.5M |
| 2026-08-05 | TABUTEAU HERRIOT Chief Executive Officer | Option exercise 10b5-1 plan | 45.0K | 4.95 | 222.8K |
| 2026-07-01 | TABUTEAU HERRIOT Chief Executive Officer | Open-market sale 10b5-1 plan | 49.7K | 240.25 | 11.9M |
| 2026-07-01 | TABUTEAU HERRIOT Chief Executive Officer | Option exercise 10b5-1 plan | 49.7K | 4.95 | 245.8K |
| 2026-06-11 | JEFFS ROGER Director | Open-market sale 10b5-1 plan | 286 | 249.12 | 71.2K |
| 2026-06-10 | Coleman Mark Director | Open-market sale 10b5-1 plan | 643 | 249.00 | 160.1K |
| 2026-06-10 | Mahony Susan Director | Open-market sale 10b5-1 plan | 300 | 246.18 | 73.9K |
| 2026-06-10 | JEFFS ROGER Director | Open-market sale 10b5-1 plan | 286 | 246.18 | 70.4K |
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 |
|---|---|---|
| BlackRock, Inc. | 661.3M | 3.9M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 347.9M | 2.1M |
| VANGUARD CAPITAL MANAGEMENT LLC | 327.5M | 1.9M |
| FMR LLC | 264.9M | 1.6M |
| Invesco Ltd. | 219.3M | 1.3M |
| GEODE CAPITAL MANAGEMENT, LLC | 196.6M | 1.2M |
| WELLINGTON MANAGEMENT GROUP LLP | 193.6M | 1.1M |
| Deep Track Capital, LP | 185.9M | 1.1M |
| STATE STREET CORP | 166.8M | 986.8K |
| Assenagon Asset Management S.A. | 146.4M | 866.0K |
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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