Ameritas Investment Partners’s Mammoth Energy Services TUSK Stock Holding History

Ameritas Investment Partners’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	$4.71K	Hold	1,924	–	–	﹤0.01%	2998
2025 Q4	$3.56K	Hold	1,924	–	–	﹤0.01%	3063
2025 Q3	$4.41K	Hold	1,924	–	–	﹤0.01%	3066
2025 Q2	$5.39K	Hold	1,924	–	–	﹤0.01%	3098
2025 Q1	$3.92K	Hold	1,924	–	–	﹤0.01%	3019
2024 Q4	$5.77K	Hold	1,924	–	–	﹤0.01%	3009
2024 Q3	$7.87K	Hold	1,924	–	–	﹤0.01%	2979
2024 Q2	$6.31K	Hold	1,924	–	–	﹤0.01%	3015
2024 Q1	$7K	Hold	1,924	–	–	﹤0.01%	2899
2023 Q4	$8.58K	Hold	1,924	–	–	﹤0.01%	2881
2023 Q3	$8.93K	Hold	1,924	–	–	﹤0.01%	2868
2023 Q2	$9.29K	Buy	+1,924	New	+$7.97K	﹤0.01%	2928
2020 Q2	–	Sell	-1,056	Closed	-$1K	–	3138
2020 Q1	$1K	Hold	1,056	–	–	﹤0.01%	3006
2019 Q4	$2K	Hold	1,056	–	–	﹤0.01%	2980
2019 Q3	$3K	Hold	1,056	–	–	﹤0.01%	2991
2019 Q2	$7K	Hold	1,056	–	–	﹤0.01%	2893
2019 Q1	$18K	Hold	1,056	–	–	﹤0.01%	2438
2018 Q4	$19K	Hold	1,056	–	–	﹤0.01%	2373
2018 Q3	$31K	Buy	1,056 +322	+44%	+$10.6K	﹤0.01%	2271
2018 Q2	$25K	Hold	734	–	–	﹤0.01%	2390
2018 Q1	$24K	Hold	734	–	–	﹤0.01%	2336
2017 Q4	$14K	Hold	734	–	–	﹤0.01%	2628
2017 Q3	$10K	Hold	734	–	–	﹤0.01%	2778
2017 Q2	$14K	Hold	734	–	–	﹤0.01%	2668
2017 Q1	$16K	Buy	+734	New	+$14K	﹤0.01%	2526

Other funds holding TUSK

Wexford Capital West Palm Beach, Florida $690M AUM 57.92% 1-Year Est. Return

Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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 Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

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 Miami, Florida $618B AUM 30.34% 1-Year Est. Return

Ameritas Investment Partners's TUSK Position: Q1 2026 in Review

Ameritas Investment Partners held its Mammoth Energy Services (TUSK) position steady in Q1 2026 at 1,924 shares worth $4.71K. The position accounts for ﹤0.01% of the portfolio, ranked #2998.

Ameritas Investment Partners first reported a position in TUSK in Q1 2017 and has held it in 25 quarters since. The position peaked at $31K in Q3 2018. 90 funds tracked by Wall St. Rank hold TUSK as of Q1 2026.

Ameritas Investment Partners held 1,924 shares of Mammoth Energy Services worth $4.71K as of Q1 2026.
Ameritas Investment Partners left its Mammoth Energy Services share count unchanged in Q1 2026.
Mammoth Energy Services made up ﹤0.01% of Ameritas Investment Partners's portfolio in Q1 2026, its #2998 holding.
Ameritas Investment Partners first reported a position in Mammoth Energy Services in Q1 2017 and has held it in 25 quarters since.
Ameritas Investment Partners's Mammoth Energy Services position peaked at $31K in Q3 2018.
90 funds tracked by Wall St. Rank held Mammoth Energy Services as of Q1 2026.

Based on Ameritas Investment Partners's 13F filing for Q1 2026, filed 13 May 2026.