WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

Position in NI — Nisource Inc.

CIK 1644956 CHICAGO, IL

Position in NI

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$508,119

+$11,750 QoQ

Shares Held

10,686

+0.5% QoQ

Ownership

0.002%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#496

of 909 holders

Holding Since

Mar 2024

10 quarters on record

Voting authority Sole 69% Shared 0% None 31%

Utilities · as of Jun 30, 2026

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $64,825,041 across 4 Utilities - Regulated Gas names. NI ranks #4 (0.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	NWN	Northwest Natural Holding Co	469,008	$23,009,532
2	SR	Spire Inc	276,218	$21,569,863
3	CTRI	Centuri Holdings, Inc.	652,696	$19,737,527
4	NI	Nisource Inc. This page	10,686	$508,119

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$508,119	10,686	+0.5%	Shares	Sole	2026-08-12
2026-03-31	$496,369	10,638	+2.6%	Shares	Sole	2026-05-08
2025-12-31	$432,967	10,368	-8.2%	Shares	Sole	2026-02-09
2025-09-30	$489,160	11,297	-3.2%	Shares	Sole	2025-11-12
2025-06-30	$470,767	11,670	-1.6%	Shares	Sole	2025-07-29
2025-03-31	$475,627	11,864	-10.1%	Shares	Sole	2025-05-09
2024-12-31	$485,305	13,202	-3.9%	Shares	Sole	2025-02-10
2024-09-30	$475,813	13,732	-7.8%	Shares	Sole	2024-11-08
2024-06-30	$429,269	14,900	0.0%	Shares	Sole	2024-08-08
2024-03-31	$412,134	14,900	—	Shares	Sole	2024-05-08
No filing history on record for this holder in this stock.