MASSACHUSETTS FINANCIAL SERVICES CO /MA/
Position in FANG — Diamondback Energy, Inc.
CIK 912938
Boston, MA
Position in FANG
as of Jun 30, 2026
· filed Aug 3, 2026
Position Value
$235,957,403
-$40,216,773 QoQ
Shares Held
1,342,345
-3.9% QoQ
Ownership
0.479%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
#31
of 1,183 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 86%
Shared 13%
None 1%
Common Shares in FANG Over Time
Shares Held
Position Value (USD)
Position in Oil & Gas E&P
Energy · as of Jun 30, 2026MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $3,679,747,011 across 14 Oil & Gas E&P names. FANG ranks #4 (6.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | COP |
Conocophillips
|
17,973,897 | $1,868,566,327 | |
| 2 | EOG |
Eog Resources Inc
|
3,884,982 | $503,998,712 | |
| 3 | PR |
Permian Resources Corp
|
15,241,771 | $280,601,003 | |
| 4 | FANG |
Diamondback Energy, Inc.
This page
|
1,342,345 | $235,957,403 | |
| 5 | EXE |
EXPAND ENERGY Corp
|
2,520,895 | $229,880,413 | |
| 6 | AR |
ANTERO RESOURCES Corp
|
5,662,614 | $198,984,253 | |
| 7 | OVV |
Ovintiv Inc.
|
2,897,745 | $152,566,272 | |
| 8 | CNQ |
CANADIAN NATURAL RESOURCES Ltd
|
1,983,108 | $78,332,765 |
All Filings in FANG
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $235,957,403 | 1,342,345 | Shares | Defined | 2026-08-03 | |
| 2026-03-31 | $276,174,176 | 1,396,300 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $216,719,034 | 1,441,622 | Shares | Sole | 2026-01-22 | |
| 2025-09-30 | $198,254,745 | 1,385,428 | Shares | Sole | 2025-10-29 | |
| 2025-06-30 | $173,468,460 | 1,262,507 | Shares | Sole | 2025-08-08 | |
| 2025-03-31 | $192,251,222 | 1,202,472 | Shares | Sole | 2025-05-02 | |
| 2024-12-31 | $262,432,065 | 1,601,856 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $336,769,949 | 1,953,422 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $538,547,332 | 2,690,181 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $484,152,294 | 2,443,116 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $454,976,336 | 2,933,817 | Shares | Sole | 2024-02-08 | |
| 2023-09-30 | $465,816,928 | 3,007,599 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $282,312,734 | 2,149,153 | Shares | Sole | 2023-08-09 | |
| 2023-03-31 | $377,114,564 | 2,789,928 | Shares | Sole | 2023-05-10 | |
| 2022-12-31 | $380,297,910 | 2,780,362 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $323,488,219 | 2,685,441 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $275,364,254 | 2,272,920 | Shares | Sole | 2022-08-09 | |
| 2022-03-31 | $241,323,443 | 1,760,457 | Shares | Sole | 2022-05-11 | |
| 2021-12-31 | $187,370,930 | 1,737,329 | Shares | Sole | 2022-02-10 | |
| 2021-09-30 | $167,084,596 | 1,764,916 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $165,240,483 | 1,759,937 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $127,932,419 | 1,740,814 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $87,848,370 | 1,815,049 | Shares | Sole | 2021-05-12 | |
| 2020-09-30 | $27,666,514 | 918,543 | Shares | Sole | 2020-11-12 | |
| 2020-06-30 | $33,602,702 | 803,508 | Shares | Sole | 2020-11-20 | |
| 2020-03-31 | $19,927,587 | 760,595 | Shares | Sole | 2020-11-20 | |
| No filing history on record for this holder in this stock. | ||||||