Axsome Therapeutics, Inc.
AXSM- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001579428
In the last 90 days, Axsome Therapeutics, Inc. insiders filed 0 open-market purchases and 3 sales; 505 institutions reported holding it in 13F filings for Q2 2026, worth $9.34B in total; no superinvestor holds it.
Holders of 5% or more of AXSM
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Axsome Therapeutics, Inc., largest stake first. The change is against the holder's previous filing.
No holder currently reports owning 5% or more of Axsome Therapeutics, Inc. on Schedule 13D or 13G.
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
3 Schedule 13D and 13G filings on Axsome Therapeutics, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 14, 20258:02 AM ET | RTW Investments, LPand 1 other | 13G/A | 3.10%1.52M shares | −2.90 ppfrom 6.00%Below 5% | Jun 30, 2025 | SEC |
| May 15, 20258:09 AM ET | RTW Investments, LPand 1 other | 13G/A | 6.00%2.92M shares | −2.40 ppfrom 8.40% | Mar 31, 2025 | SEC |
| Feb 14, 20259:00 AM ET | RTW Investments, LPand 1 other | 13G/A | 8.40%4.05M shares | – | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Axsome Therapeutics, Inc. shares.
No Form 144 notices for Axsome Therapeutics, Inc. are on file.