AI Holders Summary · Q1 2026

339 institutions reported NWN in Q1 2026. BlackRock, Inc. leads at 27.6% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

Hide index funds / market makers / custodians(7 on this page)

#HolderValueShares% port.Quarter

BlackRock, Inc.

CIK 0002012383

$340M6.4M0.01%Q1 2026 02

Vanguard Portfolio Management

CIK 0002100121· Index

$140M2.6M0.01%Q1 2026 03

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$98M1.8M0.00%Q1 2026 04

STATE STREET CORP

CIK 0000093751

$85M1.6M0.00%Q1 2026 05

VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.

CIK 0001021642

$72M1.5M0.63%Q2 2026 06

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$55M1.0M0.00%Q1 2026 07

MORGAN STANLEY

CIK 0000895421

$44M831K0.00%Q1 2026 08

Invesco Ltd.

CIK 0000914208

$43M800K0.00%Q1 2026 09

FIRST TRUST ADVISORS LP

CIK 0001125816· Index

$40M756K0.03%Q1 2026 10

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$40M744K0.01%Q1 2026 11

GOLDMAN SACHS GROUP INC

CIK 0000886982

$35M656K0.00%Q1 2026 12

DUFF & PHELPS INVESTMENT MANAGEMENT CO

CIK 0000765443

$33M613K0.34%Q1 2026 13

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

CIK 0001644956

$32M594K0.10%Q1 2026 14

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

CIK 0000884546· Index

$31M583K0.00%Q1 2026 15

GABELLI FUNDS LLC

CIK 0001081407

$28M520K0.19%Q1 2026 16

Nuveen, LLC

CIK 0001871926

$27M503K0.01%Q1 2026 17

Bank of New York Mellon Corp

CIK 0001390777

$25M476K0.00%Q1 2026 18

NORTHERN TRUST CORP

CIK 0000073124· Index

$24M456K0.00%Q1 2026 19

VICTORY CAPITAL MANAGEMENT INC

CIK 0001040188

$22M418K0.01%Q1 2026 20

MetLife Investment Management, LLC

CIK 0001529735

$20M371K0.10%Q1 2026

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