MLYS
MINERALYS (MLYS)
NASDAQ
$21.48+$0.38 (+1.80%)
Price as of Oct 22, 2026 7:30 PM EDT
  • $1.9B
    Market Cap
  • -49.81%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
CATALYS PACIFIC, LLC
8.94%
7.9M
0 (0.00%)
Jun 30, 2026
RA CAPITAL MANAGEMENT, L.P.
8.70%
7.7M
0 (0.00%)
Jun 30, 2026
BLACKROCK, INC.
6.66%
5.9M
+1.4M (+23.87%)
Jun 30, 2026
SAMSARA BIOCAPITAL, LLC
6.64%
5.9M
0 (0.00%)
Jun 30, 2026
FMR LLC
5.10%
4.5M
-349,415 (-7.74%)
Jun 30, 2026
STATE STREET CORP
4.68%
4.1M
+1.2M (+29.11%)
Jun 30, 2026
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C)
4.48%
4.0M
+4.0M (+100.00%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions539.3M (77.79%)
  • Mutual Funds130.6M (18.84%)
  • Insiders23.3M (3.36%)
  • Other0 (0.00%)

Insider Transactions

  • 3.36% (23.3M)
    Current InsiderOwnership (%, shares)
  • 1
    Number of InsiderBuying (last 12 months)
  • $268.5M
    Amount of InsiderBuying (last 12 months)
  • 6
    Number of InsiderSelling (last 12 months)
  • $671.3M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Peterson Kristine
Award
Oct 19, 2026
$0.00
16,600
$0.00
16,600
COATS LONNEL
Award
Oct 19, 2026
$0.00
16,600
$0.00
16,600
Peterson Kristine
Award
Oct 19, 2026
$0.00
12,400
$0.00
12,400
COATS LONNEL
Award
Oct 19, 2026
$0.00
12,400
$0.00
12,400
Congleton Jon
Chief Executive Officer
Sell
Sep 30, 2026
$1.9M
75,000
$25.46
528,621
Slingsby Brian Taylor
Sell
Sep 22, 2026
$3.0M
104,320
$28.81
7.8M
Warren Eric
Chief Commercial Officer
Exempt
Sep 21, 2026
$0.00
7,438
$0.00
230,563
Warren Eric
Chief Commercial Officer
Exempt
Sep 21, 2026
$98,479.12
7,438
$13.24
45,838
Warren Eric
Chief Commercial Officer
Sell
Sep 21, 2026
$209,135.73
7,438
$28.12
38,400
Rodman David Malcom
Chief Medical Officer
Exempt
Aug 10, 2026
$0.00
2,170
$0.00
13,024
Ferguson James J. III
Chief Medical Officer
Award
Aug 10, 2026
$0.00
135,000
$0.00
135,000
Rodman David Malcom
Chief Medical Officer
Exempt
Aug 10, 2026
$34,720.00
2,170
$16.00
53,554
Ferguson James J. III
Chief Medical Officer
Award
Aug 10, 2026
$0.00
102,400
$0.00
102,400
Rodman David Malcom
Chief Medical Officer
Sell
Aug 10, 2026
$58,785.30
2,170
$27.09
51,384
Warren Eric
Chief Commercial Officer
Exempt
Jul 21, 2026
$0.00
7,438
$0.00
245,438
Warren Eric
Chief Commercial Officer
Exempt
Jul 21, 2026
$98,479.12
7,438
$13.24
45,838
Warren Eric
Chief Commercial Officer
Sell
Jul 21, 2026
$199,885.09
7,438
$26.87
38,400
Rodman David Malcom
Chief Medical Officer
Exempt
Jul 17, 2026
$0.00
416
$0.00
3,334
Rodman David Malcom
Chief Medical Officer
Exempt
Jul 17, 2026
$6,423.04
416
$15.44
51,800
Rodman David Malcom
Chief Medical Officer
Sell
Jul 17, 2026
$11,036.48
416
$26.53
51,384
Congleton Jon
Chief Executive Officer
Sell
Jul 13, 2026
$291,441.25
10,700
$27.24
603,621
Warren Eric
Chief Commercial Officer
Exempt
Jun 26, 2026
$0.00
104,124
$0.00
252,876
Warren Eric
Chief Commercial Officer
Exempt
Jun 26, 2026
$1.4M
104,124
$13.24
142,524
Warren Eric
Chief Commercial Officer
Sell
Jun 26, 2026
$2.7M
104,124
$25.90
38,400
Rodman David Malcom
Chief Medical Officer
Exempt
Jun 17, 2026
$0.00
4,167
$0.00
83,334
Karydas Daphne
Exempt
Jun 17, 2026
$0.00
3,000
$0.00
38,000
Rodman David Malcom
Chief Medical Officer
Exempt
Jun 17, 2026
$0.00
417
$0.00
3,750
Karydas Daphne
Exempt
Jun 17, 2026
$36,060.00
3,000
$12.02
9,200
Rodman David Malcom
Chief Medical Officer
Exempt
Jun 17, 2026
$59,379.75
4,167
$14.25
61,262
Karydas Daphne
Sell
Jun 17, 2026
$75,000.00
3,000
$25.00
6,200