MNTK
MONTAUK RNW (MNTK)
NASDAQ
$2.68+$0.03 (+1.33%)
Price as of Sep 11, 2026 7:59 PM EDT
  • $375.8M
    Market Cap
  • 30.69%
    1-Year Change
  • Specialty Chemicals
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BAADER BANK INC
3.56%
5.1M
0 (0.00%)
Mar 31, 2022
BLACKROCK FUNDING, INC. /DE
3.35%
4.8M
+90,764 (+1.90%)
Dec 31, 2024
BLACKROCK, INC.
3.31%
4.7M
+490,896 (+10.42%)
Jun 30, 2026
BLACKROCK INC.
3.17%
4.5M
+68,602 (+1.52%)
Jun 30, 2024
VANGUARD GROUP INC
2.48%
3.5M
-422,569 (-11.97%)
Dec 31, 2025
VANGUARD CAPITAL MANAGEMENT LLC
1.90%
2.7M
+18,186 (+0.67%)
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
1.32%
1.9M
+120,014 (+6.39%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions394.0M (70.09%)
  • Mutual Funds121.5M (21.61%)
  • Insiders46.6M (8.30%)
  • Other0 (0.00%)

Insider Transactions

  • 8.30% (46.6M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 0
    Number of InsiderSelling (last 12 months)
  • $0.00
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Frank Sharon R
VP Environ Health & Safety
In Kind
Nov 24, 2024
$12,256.08
2,748
$4.46
42,023