AXSM Axsome Therapeutics, Inc.: institutional ownership and insider trading
534 funds reported holding $10.8B of Axsome Therapeutics, Inc. in their latest 13F filings; in Q2 2026 funds net bought $191M, with 130 new positions and 39 funds selling out; over the last 12 months insiders bought $0 and sold $134M on the open market.
Famous investors holding AXSM
- Two Sigma (Two Sigma Investments): $166M, 0.1% of the portfolio
- Renaissance Technologies (Renaissance Technologies): $64.1M, 0.1% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $160M, 0.1% of the portfolio
- Ray Dalio (Bridgewater Associates): $14.2M, 0.1% of the portfolio
- Izzy Englander (Millennium Management): $140M, 0.1% of the portfolio
- Ken Griffin (Citadel Advisors): $126M, 0.0% of the portfolio
Largest institutional holders of AXSM
- VANGUARD GROUP INC — $761M
- BlackRock, Inc. (BLK) — $760M
- VANGUARD PORTFOLIO MANAGEMENT LLC — $486M
- VANGUARD CAPITAL MANAGEMENT LLC — $481M
- Invesco Ltd. (IVZ) — $409M
- FMR LLC — $377M
- Banque Cantonale Vaudoise — $311M
- GEODE CAPITAL MANAGEMENT, LLC — $237M
- SUSQUEHANNA INTERNATIONAL GROUP, LLP — $222M
- MORGAN STANLEY (MS, MS-PA, MS-PE, MS-PF, MS-PI, MS-PK, MS-PL, MS-PO, MS-PP, MS-PQ) — $197M
Recent AXSM insider trades
- Sep 3, 2026: Jacobson Mark L. sold 10,000 shares ($2.09M)
- Aug 6, 2026: Tabuteau Herriot sold 49,664 shares ($10.5M)
- Jul 1, 2026: Tabuteau Herriot sold 49,666 shares ($11.9M)
- Jun 11, 2026: Jeffs Roger sold 572 shares ($142K)
5%+ owners
- BlackRock, Inc.: 5.3% (Schedule 13G/A, filed Jul 27, 2026)