MARTINGALE ASSET MANAGEMENT L P
Position in NWN — Northwest Natural Holding Co
CIK 936944
BOSTON, MA
Position in NWN
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$3,171,581
+$519,310 QoQ
Shares Held
64,647
+29.7% QoQ
Ownership
0.154%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
#68
of 315 holders
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 72%
Shared 0%
None 28%
Common Shares in NWN Over Time
Shares Held
Position Value (USD)
Position in Utilities - Regulated Gas
Utilities · as of Jun 30, 2026MARTINGALE ASSET MANAGEMENT L P holds $34,480,766 across 10 Utilities - Regulated Gas names. NWN ranks #7 (9.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NJR |
New Jersey Resources Corp
|
125,036 | $7,007,017 | |
| 2 | OGS |
ONE Gas, Inc.
|
81,800 | $6,304,326 | |
| 3 | SWX |
Southwest Gas Holdings, Inc.
|
49,134 | $4,357,203 | |
| 4 | UGI |
Ugi Corp /Pa/
|
122,445 | $4,229,250 | |
| 5 | BKH |
Black Hills Corp /Sd/
|
46,436 | $3,454,838 | |
| 6 | BIPC |
Brookfield Infrastructure Corp
|
86,066 | $3,313,541 | |
| 7 | NWN |
Northwest Natural Holding Co
This page
|
64,647 | $3,171,581 | |
| 8 | NI |
Nisource Inc.
|
32,208 | $1,531,490 |
All Filings in NWN
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $3,171,581 | 64,647 | Shares | Sole | 2026-08-13 | |
| 2026-03-31 | $2,652,271 | 49,836 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $1,815,194 | 38,836 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $2,390,140 | 53,197 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $2,030,723 | 51,126 | Shares | Sole | 2025-08-11 | |
| 2025-03-31 | $2,132,709 | 49,923 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $1,931,833 | 48,833 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $2,046,060 | 50,124 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $781,095 | 21,631 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $793,790 | 21,327 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $1,583,222 | 40,658 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $1,532,390 | 40,157 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $1,685,665 | 39,156 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $1,828,966 | 38,456 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $1,825,313 | 38,355 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $1,534,090 | 35,364 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $1,710,510 | 32,213 | Shares | Sole | 2022-08-11 | |
| 2022-03-31 | $1,094,343 | 21,159 | Shares | Sole | 2022-05-12 | |
| 2021-12-31 | $1,012,624 | 20,759 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $545,026 | 11,851 | Shares | Sole | 2021-11-12 | |
| 2021-03-31 | $215,800 | 4,000 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $418,876 | 9,108 | Shares | Sole | 2021-02-10 | |
| 2020-09-30 | $1,548,162 | 34,108 | Shares | Sole | 2020-11-12 | |
| 2020-06-30 | $4,307,434 | 77,208 | Shares | Sole | 2020-08-10 | |
| 2020-03-31 | $4,767,594 | 77,208 | Shares | Sole | 2020-05-11 | |
| No filing history on record for this holder in this stock. | ||||||