ADAGE CAPITAL PARTNERS GP, L.L.C.
Position in TUSK — Mammoth Energy Services, Inc.
CIK 1165408
Boston, MA
Position in TUSK
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$14,868,750
+$3,660,000 QoQ
Shares Held
4,575,000
0.0% QoQ
Ownership
9.51%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#2
of 94 holders
Holding Since
Jun 2022
17 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in TUSK Over Time
Shares Held
Position Value (USD)
Position in Conglomerates
Industrials · as of Jun 30, 2026ADAGE CAPITAL PARTNERS GP, L.L.C. holds $202,856,501 across 4 Conglomerates names. TUSK ranks #4 (7.3% of the industry book) .
All Filings in TUSK
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17 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $14,868,750 | 4,575,000 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $11,208,750 | 4,575,000 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $8,463,750 | 4,575,000 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $10,476,750 | 4,575,000 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $12,810,000 | 4,575,000 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $8,466,000 | 4,150,000 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $12,300,000 | 4,100,000 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $16,579,727 | 4,053,723 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $14,432,000 | 4,400,000 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $15,925,000 | 4,375,000 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $19,066,500 | 4,275,000 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $17,168,000 | 3,700,000 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $15,939,000 | 3,300,000 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $13,504,211 | 3,200,050 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $27,050,868 | 3,127,268 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $10,246,651 | 3,004,883 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $6,419,870 | 2,918,123 | Shares | Sole | 2022-08-15 | |
| No filing history on record for this holder in this stock. | ||||||