AQR Arbitrage LLC

Position in NWE — NorthWestern Energy Group, Inc.

CIK 1167456 Greenwich, CT

Position in NWE

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$71,343,585

+$32,165,998 QoQ

Shares Held

1,081,947

+78.2% QoQ

Ownership

1.76%

of shares outstanding

% of Portfolio

1.54%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2025

3 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Utilities · as of Mar 31, 2026

AQR Arbitrage LLC holds $175,437,589 across 3 Utilities - Regulated Electric names. NWE ranks #2 (40.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TXNM	Txnm Energy Inc	1,765,847	$103,231,415
2	NWE	NorthWestern Energy Group, Inc. This page	1,081,947	$71,343,585
3	NKLR	Terra Innovatum Global N.V.	185,903	$862,589

3 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$71,343,585	1,081,947	+78.2%	Shares	Defined	2026-05-15
2025-12-31	$39,177,587	607,028	+2434.9%	Shares	Defined	2026-02-17
2025-09-30	$1,403,533	23,947	—	Shares	Defined	2025-11-14
No filing history on record for this holder in this stock.