AXSM: Axsome Therapeutics, Inc. insider trading, 5% holders and institutional ownership

From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.

Insider trading

0 open-market buys totaling - and 0 sales totaling - in the last 180 days.

Activist and 5% holders

FiledWhatHolderStakeChangeFiling
2026-07-2713G amendmentBlackRock, Inc.5.30%SEC

Institutional ownership (Q2 2026)

507 institutions reported holding $9.20B of Axsome Therapeutics, Inc. on Form 13F (412 the quarter before). 130 opened a new position and 40 sold out. Shares held by institutions: +2%.

Largest holdersSharesValue
BlackRock, Inc.3,103,708$759.69M
VANGUARD PORTFOLIO MANAGEMENT LLC1,983,514$485.50M
VANGUARD CAPITAL MANAGEMENT LLC1,965,086$480.99M
Invesco Ltd.1,671,684$409.18M
FMR LLC1,539,163$376.74M
GEODE CAPITAL MANAGEMENT, LLC967,172$236.79M
Assenagon Asset Management S.A.909,364$222.59M
MORGAN STANLEY804,082$196.82M
STATE STREET CORP785,661$192.29M
Deep Track Capital, LP700,000$171.34M

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