Marshall Wace
TUSK icon

Marshall Wace’s Mammoth Energy Services TUSK Stock Holding History

Marshall Wace’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 		– Sell
-30,801
Closed -$57K – 3690
2025
Q4 		$57K Sell
30,801
-13,716
-31% -$27.7K ﹤0.01% 2768
2025
Q3 		$102K Sell
44,517
-12,919
-22% -$31.8K ﹤0.01% 2658
2025
Q2 		$161K Buy
+57,436
New +$147K ﹤0.01% 2491
2025
Q1 		– Sell
-14,163
Closed -$42.5K – 3107
2024
Q4 		$42.5K Buy
+14,163
New +$52.2K ﹤0.01% 2492
2023
Q2 		– Sell
-86,135
Closed -$363K – 2975
2023
Q1 		$363K Sell
86,135
-76,593
-47% -$456K ﹤0.01% 2230
2022
Q4 		$1.41M Buy
162,728
+7,829
+5% +$44.6K ﹤0.01% 1922
2022
Q3 		$528K Sell
154,899
-54,333
-26% -$189K ﹤0.01% 2698
2022
Q2 		$460K Buy
209,232
+166,737
+392% +$374K ﹤0.01% 2827
2022
Q1 		$91K Buy
+42,495
New +$77.1K ﹤0.01% 3207
2019
Q2 		– Sell
-182,530
Closed -$3.04M – 1851
2019
Q1 		$3.04M Buy
182,530
+166,409
+1,032% +$3.55M 0.03% 625
2018
Q4 		$290K Buy
+16,121
New +$396K ﹤0.01% 1227

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

Marshall Wace's TUSK Position: Q1 2026 in Review

Marshall Wace sold out of Mammoth Energy Services (TUSK) in Q1 2026, closing a stake of 30,801 shares — an estimated $57K sold.

Marshall Wace first reported a position in TUSK in Q4 2018 and held it in 11 quarters. The position peaked at $3.04M in Q1 2019. 90 funds tracked by Wall St. Rank hold TUSK as of Q1 2026.

  • Marshall Wace reported no remaining Mammoth Energy Services position as of Q1 2026 after selling out during the quarter.
  • Marshall Wace sold 30,801 Mammoth Energy Services shares in Q1 2026, an estimated $57K.
  • Marshall Wace first reported a position in Mammoth Energy Services in Q4 2018 and held it in 11 quarters.
  • Marshall Wace's Mammoth Energy Services position peaked at $3.04M in Q1 2019.
  • 90 funds tracked by Wall St. Rank held Mammoth Energy Services as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.