Skip to main content
Equibles

DIMENSIONAL FUND ADVISORS LP

Position in TUSK — Mammoth Energy Services, Inc.

CIK 354204 AUSTIN, TX
Back to TUSK Full portfolio

Position in TUSK

as of Jun 30, 2026 · filed Aug 11, 2026
Position Value
$2,247,917
+$566,731 QoQ
Shares Held
691,667
+0.8% QoQ
Ownership
1.44%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#5
of 94 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 86% Shared 9% None 5%

Common Shares in TUSK Over Time

Shares Held

Position Value (USD)

Position in Conglomerates

Industrials · as of Jun 30, 2026

DIMENSIONAL FUND ADVISORS LP holds $1,883,293,346 across 16 Conglomerates names. TUSK ranks #13 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 MMM
3M Co
 3,294,413 $533,398,407
2 HON
Honeywell International Inc
 1,752,216 $392,321,160
3 GHC
Graham Holdings Co
 236,999 $270,515,396
4 VMI
Valmont Industries Inc
 390,222 $225,392,226
5 SEB
Seaboard Corp /De/
 47,848 $213,609,264
6 OTTR
Otter Tail Corp
 828,016 $74,504,878
7 DLX
Deluxe Corp
 2,846,940 $67,984,925
8 MATW
Matthews International Corp
 1,737,486 $46,773,122

All Filings in TUSK

Export CSV
26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $2,247,917 691,667
2026-03-31 $1,681,186 686,199
2025-12-31 $1,294,402 699,678
2025-09-30 $2,144,386 936,414
2025-06-30 $2,782,958 993,914
2025-03-31 $2,042,455 1,001,204
2024-12-31 $2,973,669 991,223
2024-09-30 $3,652,073 892,928
2024-06-30 $2,644,598 806,280
2024-03-31 $2,574,160 707,187
2023-12-31 $2,876,635 644,986
2023-09-30 $2,276,884 490,708
2023-06-30 $1,526,191 315,982
2023-03-31 $1,314,890 311,586
2022-12-31 $2,795,548 323,185
2022-09-30 $822,300 241,144
2022-06-30 $367,269 166,941
2022-03-31 $212,637 99,830
2021-12-31 $287,316 157,866
2021-09-30 $473,232 162,623
2021-06-30 $904,367 197,030
2021-03-31 $1,094,781 205,786
2020-12-31 $915,747 205,786
2020-09-30 $445,148 278,218
2020-06-30 $550,252 466,316
2020-03-31 $564,114 753,157