Vault-13

AXSOME THERAPEUTICS INC AXSM

COM · Common Stock · CUSIP 05464T104 · ISIN US05464T1043

American biopharmaceutical company

189 institutional holders
25,607,18225.6m shares reported held*
59.0% of all shares outstanding*
$1.1bnreported value*

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($4.3m this quarter). Holder counts are more reliable. Shares outstanding: 43.4m as of 2022-10-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $44.62. Options: 18 managers hold calls ($113.6m notional), 19 hold puts ($113.3m).

Biggest calls

CITADEL ADVISORS LLC — $26.9m602.5k shares
Fairmount Funds Management LLC — $26.8m600.0k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP — $25.3m566.7k shares
JANE STREET GROUP, LLC — $8.1m181.6k shares
Ghost Tree Capital, LLC — $6.7m150.0k shares
GROUP ONE TRADING LLC — $6.3m141.9k shares
Atika Capital Management LLC — $5.6m1.2k shares
SIMPLEX TRADING, LLC — $4.4m98.2k shares
CSS LLC/IL — $1.2m25.9k shares
WOLVERINE TRADING, LLC — $1.1m25.2k shares

Biggest puts

CITADEL ADVISORS LLC — $37.2m833.8k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP — $24.2m542.4k shares
Ikarian Capital, LLC — $18.2m407.6k shares
JANE STREET GROUP, LLC — $7.1m158.6k shares
GROUP ONE TRADING LLC — $6.8m151.5k shares
BOOTHBAY FUND MANAGEMENT, LLC — $6.3m141.9k shares
SIMPLEX TRADING, LLC — $5.1m113.8k shares
Parallax Volatility Advisers, L.P. — $2.1m46.0k shares
JPMORGAN CHASE & CO — $1.9m41.9k shares
Balyasny Asset Management L.P. — $1.8m40.0k shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
BlackRock, Inc. 13G · institution filed 2026-07-27 5.3% 2.7m≈ $669.8m 2026-07-27

Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-26)

Insider purchases and sales in Q3 2022

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
404Q4 20: 0 buyingQ4 20: 0 sellingQ1 21: 0 buyingQ1 21: 0 sellingQ1 21Q2 21: 0 buyingQ2 21: 0 sellingQ3 21: 0 buyingQ3 21: 0 sellingQ3 21Q4 21: 4 buyingQ4 21: 0 sellingQ1 22: 0 buyingQ1 22: 0 sellingQ1 22Q2 22: 0 buyingQ2 22: 0 sellingQ3 22: 0 buyingQ3 22: 0 sellingQ3 22
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20200—0——
Q1 20210—0——
Q2 20210—0——
Q3 20210—0——
Q4 20214$345.1k0——
Q1 20220—0——
Q2 20220—0——
Q3 20220—0——

None reported in Q3 2022.

Holders, Q3 2022

#ManagerLocationShares Value% of their portfolioChangeShares change
1 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 3,111,5003.1m $138.8m $138.8m 0.00% —
2 BlackRock Inc. 0.00% of their portfolio New York, NY 2,192,2552.2m $97.8m $97.8m 0.00% —
3 Fairmount Funds Management LLC 15.61% of their portfolio WEST CONSHOHOCKEN, PA 1,896,6471.9m $84.6m $84.6m 15.61% —
4 RTW INVESTMENTS, LP 1.94% of their portfolio NEW YORK, NY 1,882,1641.9m $84.0m $84.0m 1.94% —
5 PFM Health Sciences, LP 2.83% of their portfolio SAN FRANCISCO, CA 1,659,7331.7m $74.1m $74.1m 2.83% —
6 Avidity Partners Management LP 1.49% of their portfolio DALLAS, TX 1,538,6001.5m $68.7m $68.7m 1.49% —
7 ALETHEA CAPITAL MANAGEMENT, LLC 44.43% of their portfolio MERCER ISLAND, WA 788,263788.3k $35.2m $35.2m 44.43% —
8 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 711,332711.3k $31.7m $31.7m 0.00% —
9 Nuveen Asset Management, LLC 0.01% of their portfolio CHICAGO, IL 693,524693.5k $30.9m $30.9m 0.01% —
10 Point72 Asset Management, L.P. 0.12% of their portfolio STAMFORD, CT 617,900617.9k $27.6m $27.6m 0.12% —
11 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 599,531599.5k $26.8m $26.8m 0.00% —
12 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 562,589562.6k $25.1m $25.1m 0.00% —
13 CITADEL ADVISORS LLC 0.03% of their portfolio MIAMI, FL 531,337531.3k $23.7m $23.7m 0.03% —
14 Paradigm Biocapital Advisors LP 3.27% of their portfolio NEW YORK, NY 520,080520.1k $23.2m $23.2m 3.27% —
15 GOLDMAN SACHS GROUP INC 0.01% of their portfolio NEW YORK, NY 519,264519.3k $23.2m $23.2m 0.01% —
16 Bellevue Group AG 0.32% of their portfolio ZURICH, V8 496,524496.5k $22.2m $22.2m 0.32% —
17 IRIDIAN ASSET MANAGEMENT LLC/CT 1.78% of their portfolio WESTPORT, CT 401,108401.1k $17.9m $17.9m 1.78% —
18 MILLENNIUM MANAGEMENT LLC 0.02% of their portfolio NEW YORK, NY 351,140351.1k $15.7m $15.7m 0.02% —
19 FMR LLC 0.00% of their portfolio BOSTON, MA 348,896348.9k $15.6m $15.6m 0.00% —
20 Ghost Tree Capital, LLC 5.47% of their portfolio NEW YORK, NY 300,000300.0k $13.4m $13.4m 5.47% —
21 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 287,952288.0k $12.8m $12.8m 0.00% —
22 Atika Capital Management LLC 1.33% of their portfolio NEW YORK, NY 264,330264.3k $11.8m $11.8m 1.33% —
23 NORGES BANK 0.00% of their portfolio OSLO, Q8 256,397256.4k $11.4m $11.4m 0.00% —
24 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 226,353226.4k $10.1m $10.1m 0.00% —
25 VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.05% of their portfolio JUPITER, FL 213,793213.8k $9.5m $9.5m 0.05% —
26 WMS Partners, LLC 1.18% of their portfolio TOWSON, MD 194,000194.0k $8.7m $8.7m 1.18% —
27 JANE STREET GROUP, LLC 0.02% of their portfolio NEW YORK, NY 182,870182.9k $8.2m $8.2m 0.02% —
28 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 171,878171.9k $7.7m $7.7m 0.00% —
29 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 171,050171.1k $7.6m $7.6m 0.00% —
30 US BANCORP \DE\ 0.01% of their portfolio MINNEAPOLIS, MN 150,406150.4k $6.7m $6.7m 0.01% —
31 ADAGE CAPITAL PARTNERS GP, L.L.C. 0.02% of their portfolio Boston, MA 150,000150.0k $6.7m $6.7m 0.02% —
32 SEI INVESTMENTS CO 0.01% of their portfolio OAKS, PA 148,789148.8k $6.6m $6.6m 0.01% —
33 TWO SIGMA INVESTMENTS, LP 0.02% of their portfolio NEW YORK, NY 141,312141.3k $6.3m $6.3m 0.02% —
34 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 135,130135.1k $6.0m $6.0m 0.00% —
35 GROUP ONE TRADING LLC 0.20% of their portfolio CHICAGO, IL 133,798133.8k $6.0m $6.0m 0.20% —
36 WCM INVESTMENT MANAGEMENT, LLC 0.02% of their portfolio LAGUNA BEACH, CA 133,705133.7k $5.9m $5.9m 0.02% —
37 Squarepoint Ops LLC 0.05% of their portfolio NEW YORK, NY 132,593132.6k $5.9m $5.9m 0.05% —
38 Moody Aldrich Partners LLC 1.12% of their portfolio MARBLEHEAD, MA 122,261122.3k $5.5m $5.5m 1.12% —
39 Qube Research & Technologies Ltd 0.03% of their portfolio LONDON, X0 121,810121.8k $5.4m $5.4m 0.03% —
40 PUTNAM INVESTMENTS LLC 0.01% of their portfolio BOSTON, MA 112,572112.6k $5.0m $5.0m 0.01% —
41 Candriam S.C.A. 0.03% of their portfolio STRASSEN, N4 110,380110.4k $4.9m $4.9m 0.03% —
42 PEREGRINE CAPITAL MANAGEMENT LLC 0.15% of their portfolio MINNEAPOLIS, MN 106,839106.8k $4.8m $4.8m 0.15% —
43 Hennion & Walsh Asset Management, Inc. 0.31% of their portfolio Parsippany, NJ 106,582106.6k $4.8m $4.8m 0.31% —
44 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.01% of their portfolio BALA CYNWYD, PA 87,57287.6k $3.9m $3.9m 0.01% —
45 MORGAN JESS S & CO INC 3.06% of their portfolio Los Angeles, CA 78,89578.9k $3.5m $3.5m 3.06% —
46 Cubist Systematic Strategies, LLC 0.03% of their portfolio STAMFORD, CT 75,83375.8k $3.4m $3.4m 0.03% —
47 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 73,82273.8k $3.3m $3.3m 0.00% —
48 ACT CAPITAL MANAGEMENT, LLC 4.50% of their portfolio WAYNE, PA 73,00073.0k $3.3m $3.3m 4.50% —
49 TANG CAPITAL MANAGEMENT LLC 0.38% of their portfolio SAN DIEGO, CA 70,00070.0k $3.1m $3.1m 0.38% —
50 Swiss National Bank 0.00% of their portfolio ZURICH, V8 69,20069.2k $3.1m $3.1m 0.00% —
51 CREDIT SUISSE AG/ 0.00% of their portfolio ZURICH, V8 61,61661.6k $2.7m $2.7m 0.00% —
52 OLD NATIONAL BANCORP /IN/ 0.04% of their portfolio EVANSVILLE, IN 53,23653.2k $2.4m $2.4m 0.04% —
53 BALDWIN WEALTH PARTNERS LLC/MA 0.33% of their portfolio Marion, MA 52,84552.8k $2.4m $2.4m 0.33% —
54 Informed Momentum Co LLC 0.51% of their portfolio SOLANA BEACH, CA 52,09252.1k $2.3m $2.3m 0.51% —
55 Schonfeld Strategic Advisors LLC 0.02% of their portfolio NEW YORK, NY 49,40049.4k $2.2m $2.2m 0.02% —
56 Cannell & Co. 0.08% of their portfolio New York, NY 49,34049.3k $2.2m $2.2m 0.08% —
57 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 48,40548.4k $2.2m $2.2m 0.00% —
58 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 45,42145.4k $2.0m $2.0m 0.00% —
59 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 40,70040.7k $1.8m $1.8m 0.00% —
60 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 38,85638.9k $1.7m $1.7m 0.00% —
61 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 38,24938.2k $1.7m $1.7m 0.00% —
62 Global IMC LLC 0.45% of their portfolio SOLANA BEACH, CA 38,21838.2k $1.7m $1.7m 0.45% —
63 SIMPLEX TRADING, LLC 0.07% of their portfolio CHICAGO, IL 38,05138.1k $1.7m $1.7m 0.07% —
64 Jump Financial, LLC 0.06% of their portfolio Chicago, IL 37,38637.4k $1.7m $1.7m 0.06% —
65 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 36,85836.9k $1.6m $1.6m 0.00% —
66 State of New Jersey Common Pension Fund D 0.01% of their portfolio TRENTON, NJ 35,00935.0k $1.6m $1.6m 0.01% —
67 DekaBank Deutsche Girozentrale 0.00% of their portfolio FRANKFURT, 2M 30,00030.0k $1.3m $1.3m 0.00% —
68 STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio MADISON, WI 29,03929.0k $1.3m $1.3m 0.00% —
69 MACQUARIE GROUP LTD 0.00% of their portfolio Sydney, NSW 2000, C3 27,70727.7k $1.2m $1.2m 0.00% —
70 Legal & General Group Plc 0.00% of their portfolio London, X0 26,76126.8k $1.2m $1.2m 0.00% —
71 Tower Research Capital LLC (TRC) 0.02% of their portfolio NEW YORK, NY 26,29126.3k $1.2m $1.2m 0.02% —
72 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 25,00325.0k $1.1m $1.1m 0.00% —
73 Verition Fund Management LLC 0.01% of their portfolio GREENWICH, CT 21,88621.9k $976.0k $976.0k 0.01% —
74 MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC 0.01% of their portfolio New York, NY 21,79621.8k $973.0k $973.0k 0.01% —
75 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 21,57321.6k $963.0k $963.0k 0.00% —
76 TUDOR INVESTMENT CORP ET AL 0.02% of their portfolio STAMFORD, CT 20,58020.6k $918.0k $918.0k 0.02% —
77 CIBC Private Wealth Group LLC 0.00% of their portfolio ATLANTA, GA 19,32319.3k $862.0k $862.0k 0.00% —
78 UBS Group AG 0.00% of their portfolio ZURICH, V8 18,30118.3k $817.0k $817.0k 0.00% —
79 HighVista Strategies LLC 0.43% of their portfolio BOSTON, MA 16,88616.9k $753.0k $753.0k 0.43% —
80 MetLife Investment Management, LLC 0.01% of their portfolio Whippany, NJ 16,34216.3k $729.2k $729.2k 0.01% —
81 Raymond James Financial Services Advisors, Inc. 0.00% of their portfolio ST. PETERSBURG, FL 15,94215.9k $711.0k $711.0k 0.00% —
82 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 15,73615.7k $702.1k $702.1k 0.00% —
83 GLENMEDE TRUST CO NA 0.00% of their portfolio PHILADELPHIA, PA 15,56115.6k $694.0k $694.0k 0.00% —
84 VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio ATLANTA, GA 15,49915.5k $691.6k $691.6k 0.00% —
85 Dana Investment Advisors, Inc. 0.04% of their portfolio BROOKFIELD, WI 14,86514.9k $663.0k $663.0k 0.04% —
86 WMG Financial Advisors, LLC 0.60% of their portfolio Knoxville, TN 14,85014.8k $663.0k $663.0k 0.60% —
87 ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio Berwyn, PA 14,78114.8k $660.0k $660.0k 0.00% —
88 AMERICAN INTERNATIONAL GROUP, INC. 0.00% of their portfolio New York, NY 14,12014.1k $630.0k $630.0k 0.00% —
89 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 14,09914.1k $630.0k $630.0k 0.00% —
90 INTERNATIONAL BIOTECHNOLOGY TRUST PLC 0.20% of their portfolio London, X0 14,00014.0k $625.0k $625.0k 0.20% —
91 WINTON GROUP Ltd 0.04% of their portfolio LONDON, X0 13,96214.0k $623.0k $623.0k 0.04% —
92 SG Americas Securities, LLC 0.01% of their portfolio NEW YORK, NY 13,86213.9k $619.0k $619.0k 0.01% —
93 Lion Street Advisors, LLC 0.29% of their portfolio Austin, TX 13,31213.3k $590.0k $590.0k 0.29% —
94 Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio SEOUL, M5 13,14813.1k $587.0k $587.0k 0.00% —
95 Meridian Wealth Management, LLC 0.06% of their portfolio LEXINGTON, KY 13,07013.1k $583.0k $583.0k 0.06% —
96 Cutler Group LLC / CA 0.07% of their portfolio SAN FRANCISCO, CA 12,36512.4k $551.0k $551.0k 0.07% —
97 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio Toronto, A6 11,83111.8k $527.9k $527.9k 0.00% —
98 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 11,78511.8k $526.0k $526.0k 0.00% —
99 CSS LLC/IL 0.03% of their portfolio CHICAGO, IL 11,40011.4k $509.0k $509.0k 0.03% —
100 GSA CAPITAL PARTNERS LLP 0.06% of their portfolio LONDON, X0 10,91610.9k $487.0k $487.0k 0.06% —