Axsome Therapeutics, Inc. (AXSM) ownership: Top institutional holder: VANGUARD GROUP INC ($760.66M). Insider activity: Net Seller (0 buys, 20 sells). 1 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 4164818.00 | $760.66M | 2025-12-31 |
| BlackRock, Inc. | 3912844.00 | $661.35M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2058170.00 | $347.87M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 1937752.00 | $327.52M | 2026-03-31 |
| FMR LLC | 1566995.00 | $264.85M | 2026-03-31 |
| Invesco Ltd. | 1297678.00 | $219.33M | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 1162981.00 | $196.60M | 2026-03-31 |
| WELLINGTON MANAGEMENT GROUP LLP | 1145306.00 | $193.58M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-10 | |
| Sell | null | 2026-06-10 | |
| Sell | null | 2026-06-09 | |
| Sell | null | 2026-06-09 | |
| Sell | null | 2026-06-09 | |
| Sell | null | 2026-06-09 | |
| Sell | null | 2026-06-09 | |
| Sell | null | 2026-06-09 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.