AXSM
Axsome Therapeut (AXSM)
NASDAQ
$206.91-$0.86 (-0.41%)
Price as of Aug 21, 2026 7:32 PM EDT
  • $10.9B
    Market Cap
  • 75.32%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
VANGUARD GROUP INC
8.09%
4.2M
-15,828 (-0.38%)
Dec 31, 2025
BLACKROCK FUNDING, INC. /DE
6.87%
3.5M
+135,015 (+3.82%)
Dec 31, 2024
BLACKROCK INC.
6.41%
3.3M
+104,501 (+3.17%)
Jun 30, 2024
BLACKROCK, INC.
6.03%
3.1M
-809,136 (-26.07%)
Jun 30, 2026
N/A
3.85%
2.0M
-74,656 (-3.76%)
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
3.85%
2.0M
-74,656 (-3.76%)
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
3.82%
2.0M
+27,334 (+1.39%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions646.2M (82.12%)
  • Mutual Funds140.1M (17.80%)
  • Insiders590,276 (0.08%)
  • Other0 (0.00%)

Insider Transactions

  • 0.08% (590,276)
    Current InsiderOwnership (%, shares)
  • 1
    Number of InsiderBuying (last 12 months)
  • $18.1M
    Amount of InsiderBuying (last 12 months)
  • 5
    Number of InsiderSelling (last 12 months)
  • $97.2M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
TABUTEAU HERRIOT
Chief Executive Officer
Exempt
Aug 06, 2026
$0.00
4,660
$0.00
0
TABUTEAU HERRIOT
Chief Executive Officer
Exempt
Aug 06, 2026
$23,067.00
4,660
$4.95
11,889
TABUTEAU HERRIOT
Chief Executive Officer
Sell
Aug 06, 2026
$997,007.00
4,660
$213.95
7,229
TABUTEAU HERRIOT
Chief Executive Officer
Exempt
Aug 05, 2026
$222,769.80
45,004
$4.95
52,233
TABUTEAU HERRIOT
Chief Executive Officer
Sell
Aug 05, 2026
$9.5M
45,004
$212.01
7,229
TABUTEAU HERRIOT
Chief Executive Officer
Exempt
Aug 05, 2026
$0.00
45,004
$0.00
4,660
TABUTEAU HERRIOT
Chief Executive Officer
Exempt
Jul 01, 2026
$0.00
49,666
$0.00
49,664
TABUTEAU HERRIOT
Chief Executive Officer
Exempt
Jul 01, 2026
$245,846.70
49,666
$4.95
56,895
TABUTEAU HERRIOT
Chief Executive Officer
Sell
Jul 01, 2026
$11.9M
49,666
$240.25
7,229
Coleman Mark
Sell
Jun 10, 2026
$160,107.00
643
$249.00
30,389
JEFFS ROGER
Exempt
Jun 08, 2026
$0.00
1,429
$0.00
0
Saad Mark E
Exempt
Jun 08, 2026
$0.00
1,429
$0.00
0
JEFFS ROGER
Exempt
Jun 08, 2026
$0.00
1,429
$0.00
58,939
Coleman Mark
Exempt
Jun 08, 2026
$0.00
1,429
$0.00
0
Saad Mark E
Exempt
Jun 08, 2026
$0.00
1,429
$0.00
11,431
Coleman Mark
Exempt
Jun 08, 2026
$0.00
1,429
$0.00
31,032
Pizzie Nick
Chief Financial Officer
Award
Feb 26, 2026
$0.00
18,570
$0.00
18,570
Jacobson Mark L.
Chief Operating Officer
Exempt
Feb 26, 2026
$0.00
35,378
$0.00
0
Coleman Mark
Sell
Feb 26, 2026
$4.0M
25,000
$161.11
47,140
Murdock Hunter R.
General Counsel
Award
Feb 26, 2026
$0.00
16,385
$0.00
16,385
Maizel Ari
Chief Commercial Officer
Award
Feb 26, 2026
$0.00
16,385
$0.00
16,385
TABUTEAU HERRIOT
Chief Executive Officer
Award
Feb 26, 2026
$0.00
54,623
$0.00
54,623
Jacobson Mark L.
Chief Operating Officer
Award
Feb 26, 2026
$0.00
19,663
$0.00
19,663
Jacobson Mark L.
Chief Operating Officer
Exempt
Feb 26, 2026
$100,827.30
35,378
$2.85
35,378
Jacobson Mark L.
Chief Operating Officer
Sell
Feb 26, 2026
$5.7M
35,378
$161.88
0
Coleman Mark
Exempt
Feb 20, 2026
$0.00
12,485
$0.00
13,971
Coleman Mark
Exempt
Feb 20, 2026
$61,800.75
12,485
$4.95
65,890
Coleman Mark
Exempt
Feb 10, 2026
$0.00
5,193
$0.00
0
Coleman Mark
Exempt
Feb 10, 2026
$41,647.86
5,193
$8.02
53,405
Saad Mark E
Exempt
Dec 31, 2025
$0.00
6,231
$0.00
0