Company · Ownership research

Axsome Therapeutics, Inc. AXSM

CIK 0001579428 · CUSIP 05464T104

Insider trading Initial holdings Institutional holders

Quarter-end disclosures, not live holdings.

Several CUSIPs are reported for this company; this page shows CUSIP 05464T104 (AXSM), not CUSIP 05464T904 (AXSM), CUSIP 05464T954 (AXSM), and does not merge CUSIPs.

This page lists the top 20 of 416 rows by value; the complete set is available through the API.

Some filings reported values in thousands; those figures were scaled ×1,000 to dollars.

Top 20 institutions

Weight means this stock's share of the manager's own portfolio.

By reported value

#	Manager	Value	Manager weight	Change vs prior	Source
01	BlackRock, Inc. CIK 2012383 · View history	$661.35M 3,912,844 shares	0.01%	-699(0.00%)Reduced	SEC filing ↗ May 13, 2026	▾
02	VANGUARD PORTFOLIO MANAGEMENT LLC CIK 2100121 · Amended · View history	$347.87M 2,058,170 shares	0.02%	—	SEC filing ↗ May 8, 2026	▾
03	VANGUARD CAPITAL MANAGEMENT LLC CIK 2100119 · Amended · View history	$327.52M 1,937,752 shares	0.01%	—	SEC filing ↗ May 15, 2026	▾
04	FMR LLC CIK 315066 · View history	$264.85M 1,566,995 shares	0.01%	+385.37K(+32.60%)Added	SEC filing ↗ May 15, 2026	▾
05	PRICE T ROWE ASSOCIATES INC /MD/ CIK 80255 · View history	$222.61M 1,317,059 shares	0.03%	-192.81K(-12.80%)Reduced	SEC filing ↗ May 15, 2026	▾
06	Invesco Ltd. CIK 914208 · Amended · View history	$219.33M 1,297,678 shares	0.02%	+24.18K(+1.90%)Added	SEC filing ↗ May 12, 2026	▾
07	GEODE CAPITAL MANAGEMENT, LLC CIK 1214717 · View history	$196.60M 1,162,981 shares	0.01%	+152.73K(+15.10%)Added	SEC filing ↗ May 15, 2026	▾
08	WELLINGTON MANAGEMENT GROUP LLP CIK 902219 · View history	$193.58M 1,145,306 shares	0.04%	-76.35K(-6.20%)Reduced	SEC filing ↗ May 15, 2026	▾
09	Deep Track Capital, LP CIK 1856083 · View history	$185.92M 1,100,000 shares	3.84%	-50.00K(-4.30%)Reduced	SEC filing ↗ May 15, 2026	▾
10	STATE STREET CORP CIK 93751 · View history	$166.79M 986,809 shares	0.01%	+28.66K(+3.00%)Added	SEC filing ↗ May 15, 2026	▾
11	Assenagon Asset Management S.A. CIK 1546007 · View history	$146.36M 865,958 shares	0.23%	+397.98K(+85.00%)Added	SEC filing ↗ Apr 20, 2026	▾
12	NOMURA ASSET MANAGEMENT INTERNATIONAL INC. CIK 921739 · View history	$137.38M 812,809 shares	0.24%	-176.64K(-17.90%)Reduced	SEC filing ↗ May 15, 2026	▾
13	ADAGE CAPITAL PARTNERS GP, L.L.C. CIK 1165408 · View history	$124.67M 737,578 shares	0.19%	+370.00K(+100.70%)Added	SEC filing ↗ May 15, 2026	▾
14	ALETHEA CAPITAL MANAGEMENT, LLC CIK 1549408 · View history	$109.71M 649,114 shares	58.94%	-19.60K(-2.90%)Reduced	SEC filing ↗ May 13, 2026	▾
15	D. E. Shaw & Co., Inc. CIK 1009207 · View history	$102.00M 603,465 shares	0.08%	+54.35K(+9.90%)Added	SEC filing ↗ May 15, 2026	▾
16	BANK OF AMERICA CORP /DE/ CIK 70858 · View history	$101.09M 598,091 shares	0.01%	-19.94K(-3.20%)Reduced	SEC filing ↗ May 18, 2026	▾
17	FIRST TRUST ADVISORS LP CIK 1125816 · View history	$97.61M 577,479 shares	0.07%	+534.07K(+1,230.20%)Added	SEC filing ↗ May 13, 2026	▾
18	UBS Group AG CIK 1610520 · View history	$92.49M 547,195 shares	0.02%	+191.88K(+54.00%)Added	SEC filing ↗ May 5, 2026	▾
19	EVENTIDE ASSET MANAGEMENT, LLC CIK 1442891 · View history	$87.78M 519,558 shares	1.45%	-51.67K(-9.00%)Reduced	SEC filing ↗ May 15, 2026	▾
20	MORGAN STANLEY CIK 895421 · View history	$80.57M 476,701 shares	0.00%	-14.50K(-3.00%)Reduced	SEC filing ↗ May 15, 2026	▾

Showing 20 / 416 institutions. The complete set is available through the API.

Coverage & totals by quarter

Reporting institutions

416

Cancelled or null records excluded

Disclosed shares

37,914,387

Not deduplicated across managers

Disclosed value

$6.41B

Not market cap or free float

Reporting institutions by quarter

Counts also change with data coverage and reporting entities; they do not measure net buying. Distinct managers with a live stock row in this CUSIP; totals may include overlapping filings and are not a share of the company.

Axsome Therapeutics, Inc. · Q1 2026

Explore all 416 reporting institutions.

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Sources, coverage & how to read this data

Figures are as reported to the SEC and merged with later amendments where Akkru could match them. Preview limits apply to what is listed, not to the totals, which come from the complete reported data. Nothing is zero-filled: a missing quarter or month is shown as missing.