Charles Schwab’s Mammoth Energy Services TUSK Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $34.9K | Sell |
10,739
-48,122
| -82% | -$141K | ﹤0.01% | 3432 |
|
|
2026
Q1 | $144K | Sell |
58,861
-11,813
| -17% | -$26.9K | ﹤0.01% | 3341 |
|
|
2025
Q4 | $131K | Hold |
70,674
| – | – | ﹤0.01% | 3381 |
|
|
2025
Q3 | $162K | Hold |
70,674
| – | – | ﹤0.01% | 3365 |
|
|
2025
Q2 | $198K | Hold |
70,674
| – | – | ﹤0.01% | 3376 |
|
|
2025
Q1 | $144K | Hold |
70,674
| – | – | ﹤0.01% | 3295 |
|
|
2024
Q4 | $212K | Buy |
70,674
+7,064
| +11% | +$26K | ﹤0.01% | 3319 |
|
|
2024
Q3 | $260K | Sell |
63,610
-371
| -0.6% | -$1.36K | ﹤0.01% | 3308 |
|
|
2024
Q2 | $210K | Hold |
63,981
| – | – | ﹤0.01% | 3437 |
|
|
2024
Q1 | $233K | Hold |
63,981
| – | – | ﹤0.01% | 3217 |
|
|
2023
Q4 | $285K | Hold |
63,981
| – | – | ﹤0.01% | 3228 |
|
|
2023
Q3 | $297K | Hold |
63,981
| – | – | ﹤0.01% | 3215 |
|
|
2023
Q2 | $309K | Buy |
63,981
+53,242
| +496% | +$221K | ﹤0.01% | 3221 |
|
|
2023
Q1 | $45.3K | Hold |
10,739
| – | – | ﹤0.01% | 3363 |
|
|
2022
Q4 | $92.9K | Hold |
10,739
| – | – | ﹤0.01% | 3269 |
|
|
2022
Q3 | $37K | Buy |
+10,739
| New | +$37.5K | ﹤0.01% | 3397 |
|
|
2022
Q1 | – | Sell |
-15,843
| Closed | -$29K | – | 3618 |
|
|
2021
Q4 | $29K | Hold |
15,843
| – | – | ﹤0.01% | 3551 |
|
|
2021
Q3 | $47K | Hold |
15,843
| – | – | ﹤0.01% | 3460 |
|
|
2021
Q2 | $73K | Hold |
15,843
| – | – | ﹤0.01% | 3322 |
|
|
2021
Q1 | $85K | Hold |
15,843
| – | – | ﹤0.01% | 3393 |
|
|
2020
Q4 | $71K | Buy |
+15,843
| New | +$38.6K | ﹤0.01% | 3336 |
|
|
2020
Q3 | – | Sell |
-52,180
| Closed | -$62K | – | 3367 |
|
|
2020
Q2 | $62K | Sell |
52,180
-19,487
| -27% | -$22.6K | ﹤0.01% | 3254 |
|
|
2020
Q1 | $54K | Buy |
71,667
+1,139
| +2% | +$1.5K | ﹤0.01% | 3151 |
|
|
2019
Q4 | $156K | Buy |
70,528
+935
| +1% | +$1.68K | ﹤0.01% | 3067 |
|
|
2019
Q3 | $173K | Buy |
69,593
+3,871
| +6% | +$18.4K | ﹤0.01% | 3057 |
|
|
2019
Q2 | $453K | Sell |
65,722
-59,855
| -48% | -$761K | ﹤0.01% | 2856 |
|
|
2019
Q1 | $2.09M | Sell |
125,577
-72,112
| -36% | -$1.54M | ﹤0.01% | 2351 |
|
|
2018
Q4 | $3.56M | Buy |
197,689
+22,812
| +13% | +$561K | ﹤0.01% | 2084 |
|
|
2018
Q3 | $5.09M | Buy |
174,877
+47,085
| +37% | +$1.55M | ﹤0.01% | 2032 |
|
|
2018
Q2 | $4.34M | Buy |
127,792
+33,825
| +36% | +$1.19M | ﹤0.01% | 2074 |
|
|
2018
Q1 | $3.01M | Buy |
93,967
+20,014
| +27% | +$500K | ﹤0.01% | 2169 |
|
|
2017
Q4 | $1.45M | Buy |
73,953
+42,553
| +136% | +$775K | ﹤0.01% | 2410 |
|
|
2017
Q3 | $530K | Buy |
31,400
+1,566
| +5% | +$22.9K | ﹤0.01% | 2705 |
|
|
2017
Q2 | $555K | Buy |
29,834
+171
| +0.6% | +$3.19K | ﹤0.01% | 2655 |
|
|
2017
Q1 | $639K | Buy |
29,663
+1,539
| +5% | +$29.4K | ﹤0.01% | 2562 |
|
|
2016
Q4 | $428K | Buy |
+28,124
| New | +$416K | ﹤0.01% | 2709 |
|
Other funds holding TUSK
WC
PLC
JHU
Charles Schwab's TUSK Position: Q2 2026 in Review
Charles Schwab reduced its Mammoth Energy Services (TUSK) stake by 82% in Q2 2026, selling an estimated $141K and leaving 10,739 shares worth $34.9K. The position accounts for ﹤0.01% of the portfolio, ranked #3432.
Charles Schwab first reported a position in TUSK in Q4 2016 and has held it in 36 quarters since. The position peaked at $5.09M in Q3 2018. 94 funds tracked by Wall St. Rank hold TUSK as of Q2 2026.
- Charles Schwab held 10,739 shares of Mammoth Energy Services worth $34.9K as of Q2 2026.
- Charles Schwab sold 48,122 Mammoth Energy Services shares in Q2 2026, an estimated $141K.
- Mammoth Energy Services made up ﹤0.01% of Charles Schwab's portfolio in Q2 2026, its #3432 holding.
- Charles Schwab first reported a position in Mammoth Energy Services in Q4 2016 and has held it in 36 quarters since.
- Charles Schwab's Mammoth Energy Services position peaked at $5.09M in Q3 2018.
- 94 funds tracked by Wall St. Rank held Mammoth Energy Services as of Q2 2026.
Based on Charles Schwab's 13F filing for Q2 2026, filed 14 Aug 2026.