Bridgeway Capital Management’s Mammoth Energy Services TUSK Stock Holding History

Bridgeway Capital 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	$1.08M	Hold	332,313	–	–	0.02%	725
2026 Q1	$814K	Sell	332,313 -77,678	-19%	-$177K	0.02%	739
2025 Q4	$758K	Buy	409,991 +20,027	+5%	+$40.4K	0.02%	753
2025 Q3	$893K	Buy	389,964 +39,510	+11%	+$97.3K	0.02%	715
2025 Q2	$981K	Buy	350,454 +14,769	+4%	+$37.8K	0.02%	659
2025 Q1	$685K	Sell	335,685 -124,589	-27%	-$332K	0.02%	691
2024 Q4	$1.38M	Buy	460,274 +57,017	+14%	+$210K	0.03%	600
2024 Q3	$1.65M	Buy	403,257 +4,154	+1%	+$15.2K	0.04%	563
2024 Q2	$1.31M	Buy	399,103 +5,580	+1%	+$19.2K	0.03%	615
2024 Q1	$1.43M	Buy	393,523 +30,425	+8%	+$115K	0.03%	658
2023 Q4	$1.62M	Buy	363,098 +7,570	+2%	+$33.6K	0.03%	646
2023 Q3	$1.65M	Buy	355,528 +50,312	+16%	+$245K	0.04%	597
2023 Q2	$1.47M	Buy	305,216 +140,616	+85%	+$582K	0.04%	636
2023 Q1	$695K	Hold	164,600	–	–	0.02%	807
2022 Q4	$1.42M	Hold	164,600	–	–	0.04%	663
2022 Q3	$561K	Sell	164,600 -166,900	-50%	-$582K	0.02%	869
2022 Q2	$729K	Sell	331,500 -52,989	-14%	-$119K	0.02%	795
2022 Q1	$819K	Sell	384,489 -3,500	-0.9%	-$6.35K	0.02%	825
2021 Q4	$706K	Sell	387,989 -113,027	-23%	-$295K	0.01%	879
2021 Q3	$1.46M	Buy	501,016 +24,516	+5%	+$87.4K	0.03%	715
2021 Q2	$2.19M	Buy	476,500 +22,700	+5%	+$93.5K	0.04%	599
2021 Q1	$2.41M	Sell	453,800 -17,700	-4%	-$89.5K	0.05%	527
2020 Q4	$2.1M	Hold	471,500	–	–	0.04%	503
2020 Q3	$754K	Hold	471,500	–	–	0.02%	760
2020 Q2	$556K	Buy	471,500 +120,100	+34%	+$139K	0.01%	820
2020 Q1	$263K	Sell	351,400 -70,000	-17%	-$92.2K	0.01%	968
2019 Q4	$927K	Buy	421,400 +200,000	+90%	+$359K	0.01%	759
2019 Q3	$549K	Sell	221,400 -30,000	-12%	-$142K	0.01%	920
2019 Q2	$1.73M	Hold	251,400	–	–	0.02%	583
2019 Q1	$4.19M	Hold	251,400	–	–	0.05%	282
2018 Q4	$4.52M	Buy	251,400 +213,600	+565%	+$5.25M	0.06%	230
2018 Q3	$1.1M	Sell	37,800 -2,403	-6%	-$79.2K	0.01%	847
2018 Q2	$1.36M	Buy	+40,203	New	+$1.41M	0.01%	755

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

Bridgeway Capital Management's TUSK Position: Q2 2026 in Review

Bridgeway Capital Management held its Mammoth Energy Services (TUSK) position steady in Q2 2026 at 332,313 shares worth $1.08M. The position accounts for 0.02% of the portfolio, ranked #725.

Bridgeway Capital Management first reported a position in TUSK in Q2 2018 and has held it in 33 quarters since. The position peaked at $4.52M in Q4 2018. 94 funds tracked by Wall St. Rank hold TUSK as of Q2 2026.

Bridgeway Capital Management held 332,313 shares of Mammoth Energy Services worth $1.08M as of Q2 2026.
Bridgeway Capital Management left its Mammoth Energy Services share count unchanged in Q2 2026.
Mammoth Energy Services made up 0.02% of Bridgeway Capital Management's portfolio in Q2 2026, its #725 holding.
Bridgeway Capital Management first reported a position in Mammoth Energy Services in Q2 2018 and has held it in 33 quarters since.
Bridgeway Capital Management's Mammoth Energy Services position peaked at $4.52M in Q4 2018.
94 funds tracked by Wall St. Rank held Mammoth Energy Services as of Q2 2026.

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