Geode Capital Management
TUSK icon

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

Geode 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
Q1 		$1.5M Buy
610,926
+25,207
+4% +$57.4K ﹤0.01% 3231
2025
Q4 		$1.08M Buy
585,719
+6,614
+1% +$13.3K ﹤0.01% 3354
2025
Q3 		$1.33M Sell
579,105
-1,554
-0.3% -$3.83K ﹤0.01% 3303
2025
Q2 		$1.63M Buy
580,659
+35,495
+7% +$90.8K ﹤0.01% 3195
2025
Q1 		$1.11M Buy
545,164
+7,788
+1% +$20.8K ﹤0.01% 3270
2024
Q4 		$1.61M Buy
537,376
+8,526
+2% +$31.4K ﹤0.01% 3203
2024
Q3 		$2.16M Buy
528,850
+9,852
+2% +$36.1K ﹤0.01% 3099
2024
Q2 		$1.7M Buy
518,998
+31,643
+6% +$109K ﹤0.01% 3159
2024
Q1 		$1.77M Buy
487,355
+3,604
+0.7% +$13.6K ﹤0.01% 3159
2023
Q4 		$2.16M Buy
483,751
+15,324
+3% +$68K ﹤0.01% 3069
2023
Q3 		$2.17M Buy
468,427
+43,886
+10% +$214K ﹤0.01% 3051
2023
Q2 		$2.05M Buy
424,541
+223,482
+111% +$926K ﹤0.01% 3111
2023
Q1 		$848K Buy
201,059
+9,911
+5% +$59K ﹤0.01% 3417
2022
Q4 		$1.65M Sell
191,148
-2,857
-1% -$16.3K ﹤0.01% 3129
2022
Q3 		$661K Buy
194,005
+112
+0.1% +$391 ﹤0.01% 3591
2022
Q2 		$426K Buy
193,893
+3,954
+2% +$8.86K ﹤0.01% 3850
2022
Q1 		$404K Sell
189,939
-90,465
-32% -$164K ﹤0.01% 4053
2021
Q4 		$510K Sell
280,404
-22,280
-7% -$58.2K ﹤0.01% 4033
2021
Q3 		$880K Sell
302,684
-7,685
-2% -$27.4K ﹤0.01% 3749
2021
Q2 		$1.42M Buy
310,369
+3,391
+1% +$14K ﹤0.01% 3428
2021
Q1 		$1.63M Buy
306,978
+20,710
+7% +$105K ﹤0.01% 3353
2020
Q4 		$1.27M Buy
286,268
+159,889
+127% +$389K ﹤0.01% 3287
2020
Q3 		$202K Sell
126,379
-504
-0.4% -$743 ﹤0.01% 3716
2020
Q2 		$149K Sell
126,883
-89,104
-41% -$103K ﹤0.01% 3748
2020
Q1 		$161K Buy
215,987
+6,577
+3% +$8.66K ﹤0.01% 3620
2019
Q4 		$460K Buy
209,410
+3,531
+2% +$6.33K ﹤0.01% 3525
2019
Q3 		$510K Buy
205,879
+8,379
+4% +$39.8K ﹤0.01% 3466
2019
Q2 		$1.36M Buy
197,500
+14,861
+8% +$189K ﹤0.01% 3126
2019
Q1 		$3.04M Buy
182,639
+17,129
+10% +$366K ﹤0.01% 2602
2018
Q4 		$2.98M Buy
165,510
+13,907
+9% +$342K ﹤0.01% 2534
2018
Q3 		$4.41M Buy
151,603
+15,174
+11% +$500K ﹤0.01% 2434
2018
Q2 		$4.63M Buy
136,429
+5,133
+4% +$180K ﹤0.01% 2366
2018
Q1 		$4.21M Buy
131,296
+6,989
+6% +$175K ﹤0.01% 2348
2017
Q4 		$2.44M Buy
124,307
+2,011
+2% +$36.6K ﹤0.01% 2636
2017
Q3 		$2.06M Buy
122,296
+9,246
+8% +$135K ﹤0.01% 2728
2017
Q2 		$2.1M Buy
113,050
+8,398
+8% +$157K ﹤0.01% 2708
2017
Q1 		$2.25M Buy
104,652
+6,341
+6% +$121K ﹤0.01% 2600
2016
Q4 		$1.49M Buy
+98,311
New +$1.45M ﹤0.01% 2795

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 $122M AUM 67.29% 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
EF
Empowered Funds Havertown, Pennsylvania $15.7B AUM 34.02% 1-Year Est. Return

Geode Capital Management's TUSK Position: Q1 2026 in Review

Geode Capital Management increased its Mammoth Energy Services (TUSK) stake by 4.3% in Q1 2026, buying an estimated $57.4K and bringing the position to 610,926 shares worth $1.5M. The position accounts for ﹤0.01% of the portfolio, ranked #3231.

Geode Capital Management first reported a position in TUSK in Q4 2016 and has held it in 38 quarters since. The position peaked at $4.63M in Q2 2018. 90 funds tracked by Wall St. Rank hold TUSK as of Q1 2026.

  • Geode Capital Management held 610,926 shares of Mammoth Energy Services worth $1.5M as of Q1 2026.
  • Geode Capital Management bought 25,207 Mammoth Energy Services shares in Q1 2026, an estimated $57.4K.
  • Mammoth Energy Services made up ﹤0.01% of Geode Capital Management's portfolio in Q1 2026, its #3231 holding.
  • Geode Capital Management first reported a position in Mammoth Energy Services in Q4 2016 and has held it in 38 quarters since.
  • Geode Capital Management's Mammoth Energy Services position peaked at $4.63M in Q2 2018.
  • 90 funds tracked by Wall St. Rank held Mammoth Energy Services as of Q1 2026.

Based on Geode Capital Management's 13F filing for Q1 2026, filed 15 May 2026.