RhumbLine Advisers
TUSK icon

RhumbLine Advisers’s Mammoth Energy Services TUSK Stock Holding History

RhumbLine Advisers’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 		$54K Sell
16,609
-16,254
-49% -$47.6K ﹤0.01% 3669
2026
Q1 		$80.5K Buy
32,863
+220
+0.7% +$501 ﹤0.01% 3490
2025
Q4 		$60.4K Sell
32,643
-2,138
-6% -$4.32K ﹤0.01% 3599
2025
Q3 		$79.6K Buy
34,781
+2,977
+9% +$7.33K ﹤0.01% 3578
2025
Q2 		$89K Buy
31,804
+7,757
+32% +$19.9K ﹤0.01% 3564
2025
Q1 		$49K Sell
24,047
-487
-2% -$1.3K ﹤0.01% 3583
2024
Q4 		$73.6K Sell
24,534
-562
-2% -$2.07K ﹤0.01% 3558
2024
Q3 		$103K Sell
25,096
-2,683
-10% -$9.82K ﹤0.01% 3488
2024
Q2 		$91.1K Buy
27,779
+1,098
+4% +$3.77K ﹤0.01% 3542
2024
Q1 		$97.1K Buy
26,681
+506
+2% +$1.91K ﹤0.01% 3454
2023
Q4 		$117K Buy
26,175
+218
+0.8% +$967 ﹤0.01% 3403
2023
Q3 		$120K Buy
25,957
+1,217
+5% +$5.92K ﹤0.01% 3393
2023
Q2 		$119K Buy
+24,740
New +$102K ﹤0.01% 3451
2020
Q2 		– Sell
-21,166
Closed -$16K – 3116
2020
Q1 		$16K Hold
21,166
– – ﹤0.01% 2911
2019
Q4 		$47K Sell
21,166
-7
-0% -$13 ﹤0.01% 2919
2019
Q3 		$53K Buy
21,173
+1,793
+9% +$8.51K ﹤0.01% 2923
2019
Q2 		$133K Buy
19,380
+2,630
+16% +$33.4K ﹤0.01% 2880
2019
Q1 		$279K Sell
16,750
-479
-3% -$10.2K ﹤0.01% 2582
2018
Q4 		$310K Buy
17,229
+6,283
+57% +$154K ﹤0.01% 2528
2018
Q3 		$319K Buy
10,946
+1,717
+19% +$56.6K ﹤0.01% 2486
2018
Q2 		$313K Buy
9,229
+785
+9% +$27.6K ﹤0.01% 2507
2018
Q1 		$271K Buy
+8,444
New +$211K ﹤0.01% 2486

Other funds holding TUSK

WC
Wexford Capital West Palm Beach, Florida $782M AUM 62.56% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return
Vanguard Capital Management
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
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Marshall Wace
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

RhumbLine Advisers's TUSK Position: Q2 2026 in Review

RhumbLine Advisers reduced its Mammoth Energy Services (TUSK) stake by 49% in Q2 2026, selling an estimated $47.6K and leaving 16,609 shares worth $54K. The position accounts for ﹤0.01% of the portfolio, ranked #3669.

RhumbLine Advisers first reported a position in TUSK in Q1 2018 and has held it in 22 quarters since. The position peaked at $319K in Q3 2018. 94 funds tracked by Wall St. Rank hold TUSK as of Q2 2026.

  • RhumbLine Advisers held 16,609 shares of Mammoth Energy Services worth $54K as of Q2 2026.
  • RhumbLine Advisers sold 16,254 Mammoth Energy Services shares in Q2 2026, an estimated $47.6K.
  • Mammoth Energy Services made up ﹤0.01% of RhumbLine Advisers's portfolio in Q2 2026, its #3669 holding.
  • RhumbLine Advisers first reported a position in Mammoth Energy Services in Q1 2018 and has held it in 22 quarters since.
  • RhumbLine Advisers's Mammoth Energy Services position peaked at $319K in Q3 2018.
  • 94 funds tracked by Wall St. Rank held Mammoth Energy Services as of Q2 2026.

Based on RhumbLine Advisers's 13F filing for Q2 2026, filed 12 Aug 2026.