Institutional Ownership
Mammoth Energy Svcs Inc
CUSIP 56155L108COMTUSKQ1 2026
Institutional Holders
85
13F filers
Shares Held
33.93M
Aggregate institutional
Institutional Value
$82.60M
Q1 2026
Net New Holders
+14
27 new · 13 closed
Institutional Ownership Trend
Aggregate 13F value by quarter
Multi-quarter trend — upgrade to see history
UpgradePosition Activity
Q1 2026
New positions27
Increased24
Decreased23
Sold out13
Institutional Holders
85 funds hold this security · Q1 2026
| # | Fund | Shares | Value | Δ Shares | Activity |
|---|---|---|---|---|---|
| 1 | Wexford Capital LP | 22.07M | $54.07M | −27.9K | Reduced |
| 2 | Adage Capital Partners Gp, L.L.C. | 4.58M | $11.21M | 0 | Held |
| 3 | Blackrock, Inc. | 1.45M | $3.56M | −18.2K | Reduced |
| 4 | Dimensional Fund Advisors LP | 686.2K | $1.68M | −13.5K | Reduced |
| 5 | Peapod Lane Capital LLC | 599.8K | $1.51M | +599.8K | New |
| 6 | Geode Capital Management, LLC | 610.9K | $1.50M | +25.2K | Added |
| 7 | State Street Corp | 421.9K | $1.03M | +13.4K | Added |
| 8 | Bridgeway Capital Management, LLC | 332.3K | $814.2K | −77.7K | Reduced |
| 9 | Citadel Advisors LLC | 331.4K | $811.8K | +111.3K | Added |
| 10 | Empowered Funds, LLC | 241.3K | $591.2K | +22.3K | Added |
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