Millennium Management’s Mammoth Energy Services TUSK Stock Holding History

Millennium Management’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 Q2	$404K	Buy	+124,186	New	+$363K	﹤0.01%	4931
2025 Q3	–	Sell	-21,851	Closed	-$61.2K	–	6484
2025 Q2	$61.2K	Sell	21,851 -36,823	-63%	-$94.2K	﹤0.01%	5585
2025 Q1	$120K	Buy	+58,674	New	+$156K	﹤0.01%	5409
2023 Q2	–	Sell	-404,967	Closed	-$1.71M	–	6699
2023 Q1	$1.71M	Buy	404,967 +61,061	+18%	+$364K	﹤0.01%	3590
2022 Q4	$2.98M	Sell	343,906 -558,582	-62%	-$3.18M	﹤0.01%	3221
2022 Q3	$3.08M	Buy	902,488 +143,873	+19%	+$502K	﹤0.01%	3364
2022 Q2	$1.67M	Sell	758,615 -607,388	-44%	-$1.36M	﹤0.01%	3889
2022 Q1	$2.91M	Buy	1,366,003 +1,277,094	+1,436%	+$2.32M	﹤0.01%	3525
2021 Q4	$162K	Buy	88,909 +44,213	+99%	+$115K	﹤0.01%	6040
2021 Q3	$130K	Sell	44,696 -39,640	-47%	-$141K	﹤0.01%	6313
2021 Q2	$387K	Sell	84,336 -148,783	-64%	-$613K	﹤0.01%	5512
2021 Q1	$1.24M	Sell	233,119 -38,290	-14%	-$194K	﹤0.01%	4006
2020 Q4	$1.21M	Sell	271,409 -58,008	-18%	-$141K	﹤0.01%	3607
2020 Q3	$527K	Buy	329,417 +272,612	+480%	+$402K	﹤0.01%	3553
2020 Q2	$67K	Buy	+56,805	New	+$65.9K	﹤0.01%	4025
2020 Q1	–	Sell	-50,312	Closed	-$111K	–	4504
2019 Q4	$111K	Buy	+50,312	New	+$90.2K	﹤0.01%	4014
2019 Q1	–	Sell	-140,697	Closed	-$2.53M	–	4343
2018 Q4	$2.53M	Sell	140,697 -312,262	-69%	-$7.67M	﹤0.01%	2048
2018 Q3	$13.2M	Sell	452,959 -169,079	-27%	-$5.57M	0.02%	1105
2018 Q2	$21.1M	Buy	622,038 +68,786	+12%	+$2.42M	0.03%	819
2018 Q1	$17.7M	Buy	553,252 +404,318	+271%	+$10.1M	0.02%	948
2017 Q4	$2.92M	Buy	+148,934	New	+$2.71M	﹤0.01%	2042
2017 Q3	–	Sell	-23,401	Closed	-$435K	–	3869
2017 Q2	$435K	Sell	23,401 -145,074	-86%	-$2.71M	﹤0.01%	2872
2017 Q1	$3.62M	Buy	168,475 +4,601	+3%	+$87.8K	0.01%	1650
2016 Q4	$2.49M	Buy	+163,874	New	+$2.42M	0.01%	1756

Other funds holding TUSK

Wexford Capital West Palm Beach, Florida $782M AUM 62.56% 1-Year Est. Return

Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

PLC

Peapod Lane Capital Bedford Hills, New York $148M AUM 89.92% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return

JHU

Johns Hopkins University Baltimore, Maryland $1.5B AUM 13.39% 1-Year Est. Return

Millennium Management's TUSK Position: Q2 2026 in Review

Millennium Management opened a new position in Mammoth Energy Services (TUSK) in Q2 2026: 124,186 shares worth $404K. The stake represents ﹤0.01% of the portfolio and ranks #4931 among its holdings. This is a return to the name: Millennium Management previously reported a position in TUSK as recently as Q2 2025.

Millennium Management first reported a position in TUSK in Q4 2016 and has held it in 24 quarters since. The position peaked at $21.1M in Q2 2018. 94 funds tracked by Wall St. Rank hold TUSK as of Q2 2026.

Millennium Management held 124,186 shares of Mammoth Energy Services worth $404K as of Q2 2026.
Mammoth Energy Services was a new Millennium Management position in Q2 2026.
Mammoth Energy Services made up ﹤0.01% of Millennium Management's portfolio in Q2 2026, its #4931 holding.
Millennium Management first reported a position in Mammoth Energy Services in Q4 2016 and has held it in 24 quarters since.
Millennium Management's Mammoth Energy Services position peaked at $21.1M in Q2 2018.
94 funds tracked by Wall St. Rank held Mammoth Energy Services as of Q2 2026.

Based on Millennium Management's 13F filing for Q2 2026, filed 14 Aug 2026.