Morgan Stanley
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Morgan Stanley’s Mammoth Energy Services TUSK Stock Holding History

Morgan Stanley’s Portfolio TUSK Stock Details TUSK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$374K Sell
152,723
-139,975
-48% -$319K ﹤0.01% 5613
2025
Q4 		$541K Buy
292,698
+147,398
+101% +$297K ﹤0.01% 5467
2025
Q3 		$333K Sell
145,300
-39,960
-22% -$98.4K ﹤0.01% 5683
2025
Q2 		$519K Buy
185,260
+94,026
+103% +$241K ﹤0.01% 5445
2025
Q1 		$186K Buy
91,234
+255
+0.3% +$680 ﹤0.01% 5759
2024
Q4 		$273K Buy
90,979
+2,163
+2% +$7.97K ﹤0.01% 5671
2024
Q3 		$363K Buy
88,816
+38,893
+78% +$142K ﹤0.01% 5541
2024
Q2 		$164K Sell
49,923
-3,030
-6% -$10.4K ﹤0.01% 5758
2024
Q1 		$193K Sell
52,953
-57,385
-52% -$216K ﹤0.01% 5753
2023
Q4 		$492K Buy
110,338
+73,920
+203% +$328K ﹤0.01% 5619
2023
Q3 		$169K Sell
36,418
-6,296
-15% -$30.6K ﹤0.01% 5657
2023
Q2 		$206K Sell
42,714
-11,792
-22% -$48.8K ﹤0.01% 5635
2023
Q1 		$230K Buy
54,506
+31,176
+134% +$186K ﹤0.01% 5646
2022
Q4 		$202K Buy
23,330
+16,769
+256% +$95.5K ﹤0.01% 5669
2022
Q3 		$22K Sell
6,561
-4,027
-38% -$14K ﹤0.01% 6753
2022
Q2 		$23K Sell
10,588
-4,675
-31% -$10.5K ﹤0.01% 6928
2022
Q1 		$32K Buy
15,263
+7,475
+96% +$13.6K ﹤0.01% 6922
2021
Q4 		$14K Sell
7,788
-18,942
-71% -$49.4K ﹤0.01% 7350
2021
Q3 		$77K Sell
26,730
-36,338
-58% -$130K ﹤0.01% 6511
2021
Q2 		$290K Buy
63,068
+62,991
+81,806% +$260K ﹤0.01% 5833
2021
Q1 		$0 Sell
77
-10,379
-99% -$52.5K ﹤0.01% 7567
2020
Q4 		$47K Buy
10,456
+10,379
+13,479% +$25.3K ﹤0.01% 6179
2020
Q3 		$0 Sell
77
-4,370
-98% -$6.44K ﹤0.01% 6829
2020
Q2 		$5K Buy
4,447
+3,132
+238% +$3.63K ﹤0.01% 6304
2020
Q1 		$1K Sell
1,315
-177,547
-99% -$234K ﹤0.01% 6489
2019
Q4 		$392K Sell
178,862
-629,651
-78% -$1.13M ﹤0.01% 5069
2019
Q3 		$2M Buy
808,513
+714,072
+756% +$3.39M ﹤0.01% 3792
2019
Q2 		$649K Buy
94,441
+82,895
+718% +$1.05M ﹤0.01% 4460
2019
Q1 		$192K Sell
11,546
-15,813
-58% -$338K ﹤0.01% 5090
2018
Q4 		$493K Sell
27,359
-13,659
-33% -$336K ﹤0.01% 4794
2018
Q3 		$1.19M Sell
41,018
-15,803
-28% -$521K ﹤0.01% 4400
2018
Q2 		$1.93M Sell
56,821
-38,324
-40% -$1.35M ﹤0.01% 4106
2018
Q1 		$3.05M Buy
95,145
+65,998
+226% +$1.65M ﹤0.01% 3586
2017
Q4 		$572K Buy
29,147
+13,623
+88% +$248K ﹤0.01% 4896
2017
Q3 		$261K Sell
15,524
-10,940
-41% -$160K ﹤0.01% 5219
2017
Q2 		$492K Buy
26,464
+14,238
+116% +$266K ﹤0.01% 4801
2017
Q1 		$263K Sell
12,226
-11,860
-49% -$226K ﹤0.01% 5183
2016
Q4 		$366K Buy
+24,086
New +$356K ﹤0.01% 5092

Other funds holding TUSK

WC
Wexford Capital West Palm Beach, Florida $690M AUM 57.92% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
PLC
Peapod Lane Capital Bedford Hills, New York $148M AUM 89.92% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
BCM
Bridgeway Capital Management Houston, Texas $4.97B AUM 44.96% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

Morgan Stanley's TUSK Position: Q1 2026 in Review

Morgan Stanley reduced its Mammoth Energy Services (TUSK) stake by 48% in Q1 2026, selling an estimated $319K and leaving 152,723 shares worth $374K. The position accounts for ﹤0.01% of the portfolio, ranked #5613.

Morgan Stanley first reported a position in TUSK in Q4 2016 and has held it in 38 quarters since. The position peaked at $3.05M in Q1 2018. 90 funds tracked by Wall St. Rank hold TUSK as of Q1 2026.

  • Morgan Stanley held 152,723 shares of Mammoth Energy Services worth $374K as of Q1 2026.
  • Morgan Stanley sold 139,975 Mammoth Energy Services shares in Q1 2026, an estimated $319K.
  • Mammoth Energy Services made up ﹤0.01% of Morgan Stanley's portfolio in Q1 2026, its #5613 holding.
  • Morgan Stanley first reported a position in Mammoth Energy Services in Q4 2016 and has held it in 38 quarters since.
  • Morgan Stanley's Mammoth Energy Services position peaked at $3.05M in Q1 2018.
  • 90 funds tracked by Wall St. Rank held Mammoth Energy Services as of Q1 2026.

Based on Morgan Stanley's 13F filing for Q1 2026, filed 15 May 2026.