Stock Ownership/NWN

NORTHWEST NAT HLDG CO (NWN): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in NWN · Utilities. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
14
13F filers
Aggregate Value
$80.1M
Across holders
Last Price
$50.22
2026-08-24
Sector
Utilities
GICS
Quarterly fund activity8 increased5 reduced4 exited
Full exits: VOLORIDGE INVESTMENT MANAGEMENT, LLC, CAXTON ASSOCIATES LLP, MILLENNIUM MANAGEMENT LLC, MARSHALL WACE, LLP
Institutional Holders of NWN
↗
14 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund400K$19.6M24.5%0.0%Added+$6.2MQ2 2026
GAMCO INVESTORS, INC. ET AL
CIK 0000807249
Institutional Manager364K$17.8M22.3%0.2%Unchanged+$0Q2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund246K$12.0M15.0%0.0%Added+$12.0MQ2 2026
JUPITER ASSET MANAGEMENT LTD
CIK 0001215838
Hedge Fund215K$10.5M13.2%0.1%Added+$1.3MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund162K$8.0M9.9%0.0%Added+$3.2MQ2 2026
TCW GROUP INC
CIK 0000850401
Hedge Fund90K$4.4M5.5%0.0%Added+$282KQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund61K$3.0M3.7%0.0%Reduced$-1.7MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund27K$1.3M1.7%0.0%Reduced+$196KQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund26K$1.3M1.6%0.0%Reduced$-1.3MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund23K$1.1M1.4%0.0%Reduced$-1.4MQ2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$19.6M· 24.5% of total· 0.0% port· 400K sh· +$6.2M QoQ· Q2 2026
GAMCO INVESTORS, INC. ET ALUnchanged
Institutional Manager
$17.8M· 22.3% of total· 0.2% port· 364K sh· +$0 QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$12.0M· 15.0% of total· 0.0% port· 246K sh· +$12.0M QoQ· Q2 2026
JUPITER ASSET MANAGEMENT LTDAdded
Hedge Fund
$10.5M· 13.2% of total· 0.1% port· 215K sh· +$1.3M QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$8.0M· 9.9% of total· 0.0% port· 162K sh· +$3.2M QoQ· Q2 2026
TCW GROUP INCAdded
Hedge Fund
$4.4M· 5.5% of total· 0.0% port· 90K sh· +$282K QoQ· Q2 2026
Point72 Asset Management, L.P.Reduced
Hedge Fund
$3.0M· 3.7% of total· 0.0% port· 61K sh· $-1.7M QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$1.3M· 1.7% of total· 0.0% port· 27K sh· +$196K QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$1.3M· 1.6% of total· 0.0% port· 26K sh· $-1.3M QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$1.1M· 1.4% of total· 0.0% port· 23K sh· $-1.4M QoQ· Q2 2026
CAPSTONE INVESTMENT ADVISORS, LLCAdded
Hedge Fund
$489K· 0.6% of total· 0.0% port· 10K sh· — QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$466K· 0.6% of total· 0.0% port· 10K sh· — QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$21K· 0.0% of total· 0.0% port· 419 sh· $-19K QoQ· Q2 2026
Fulcrum Asset Management LLPAdded
Hedge Fund
$300· 0.0% of total· 0.0% port· 6 sh· — QoQ· Q2 2026
1–10 of 14
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