MASSACHUSETTS FINANCIAL SERVICES CO /MA/
Position in MDU — Mdu Resources Group Inc
CIK 912938
Boston, MA
Position in MDU
as of Jun 30, 2026
· filed Aug 3, 2026
Position Value
$17,207,609
-$482,857 QoQ
Shares Held
811,297
-5.0% QoQ
Ownership
0.388%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#8
of 183 holders
Holding Since
Mar 2020
16 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in MDU Over Time
Shares Held
Position Value (USD)
Position in Utilities - Regulated Gas
Utilities · as of Jun 30, 2026MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $587,671,908 across 9 Utilities - Regulated Gas names. MDU ranks #8 (2.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ATO |
Atmos Energy Corp
|
1,842,583 | $317,421,770 | |
| 2 | NI |
Nisource Inc.
|
1,860,744 | $88,478,376 | |
| 3 | SR |
Spire Inc
|
718,104 | $56,076,740 | |
| 4 | SWX |
Southwest Gas Holdings, Inc.
|
424,659 | $37,658,759 | |
| 5 | OGS |
ONE Gas, Inc.
|
369,339 | $28,464,956 | |
| 6 | BIPC |
Brookfield Infrastructure Corp
|
543,059 | $20,907,771 | |
| 7 | UGI |
Ugi Corp /Pa/
|
604,346 | $20,874,110 | |
| 8 | MDU |
Mdu Resources Group Inc
This page
|
811,297 | $17,207,609 |
All Filings in MDU
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16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $17,207,609 | 811,297 | Shares | Sole | 2026-08-03 | |
| 2026-03-31 | $17,690,466 | 853,787 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $17,551,368 | 899,148 | Shares | Sole | 2026-01-22 | |
| 2025-09-30 | $16,586,809 | 931,320 | Shares | Sole | 2025-10-29 | |
| 2025-06-30 | $16,078,148 | 964,496 | Shares | Sole | 2025-08-08 | |
| 2025-03-31 | $17,120,275 | 1,012,435 | Shares | Sole | 2025-05-02 | |
| 2024-12-31 | $18,684,919 | 1,036,899 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | — | 1,119,825 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | — | 1,151,361 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | — | 1,080,856 | Shares | Sole | 2024-05-14 | |
| 2021-09-30 | — | 42,709 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | — | 43,271 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | — | 42,899 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | — | 69,510 | Shares | Sole | 2021-05-12 | |
| 2020-09-30 | — | 78,264 | Shares | Sole | 2020-11-12 | |
| 2020-03-31 | — | 36,335 | Shares | Sole | 2020-11-20 | |
| No filing history on record for this holder in this stock. | ||||||