WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

Position in NI — Nisource Inc.

CIK 1644956 CHICAGO, IL

Position in NI

as of Mar 31, 2026 · filed May 8, 2026 Compact

Position Value

$496,369

+$63,402 QoQ

Shares Held

10,638

+2.6% QoQ

Ownership

0.002%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2024

9 quarters on record

Voting authority Sole 68.49971799210378.ToString("F0")% Shared 0.ToString("F0")% None 31.500282007896217.ToString("F0")%

Utilities · as of Mar 31, 2026

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $87,981,677 across 4 Utilities - Regulated Gas names. NI ranks #4 (0.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	SR	Spire Inc	350,033	$31,691,987
2	NWN	Northwest Natural Holding Co	594,204	$31,623,536
3	CTRI	Centuri Holdings, Inc.	827,449	$24,169,785
4	NI	Nisource Inc. This page	10,638	$496,369

9 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
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.