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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, 2026

MARTINGALE 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
7 NWN
Northwest Natural Holding Co
This page
64,647 $3,171,581

All Filings in NWN

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25 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $3,171,581 64,647
2026-03-31 $2,652,271 49,836
2025-12-31 $1,815,194 38,836
2025-09-30 $2,390,140 53,197
2025-06-30 $2,030,723 51,126
2025-03-31 $2,132,709 49,923
2024-12-31 $1,931,833 48,833
2024-09-30 $2,046,060 50,124
2024-06-30 $781,095 21,631
2024-03-31 $793,790 21,327
2023-12-31 $1,583,222 40,658
2023-09-30 $1,532,390 40,157
2023-06-30 $1,685,665 39,156
2023-03-31 $1,828,966 38,456
2022-12-31 $1,825,313 38,355
2022-09-30 $1,534,090 35,364
2022-06-30 $1,710,510 32,213
2022-03-31 $1,094,343 21,159
2021-12-31 $1,012,624 20,759
2021-09-30 $545,026 11,851
2021-03-31 $215,800 4,000
2020-12-31 $418,876 9,108
2020-09-30 $1,548,162 34,108
2020-06-30 $4,307,434 77,208
2020-03-31 $4,767,594 77,208