WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

Position in STEP — StepStone Group Inc.

CIK 1644956 CHICAGO, IL

Position in STEP

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

Position Value

$79,825,420

-$11,533,422 QoQ

Shares Held

1,930,015

+0.8% QoQ

Ownership

1.60%

of shares outstanding

% of Portfolio

0.24%

of 13F equity value

Holder Rank

#10

of 272 holders

Holding Since

Sep 2020

13 quarters on record

Voting authority Sole 91% Shared 0% None 9%

Financial Services · as of Jun 30, 2026

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $411,639,392 across 8 Asset Management names. STEP ranks #2 (19.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CG	Carlyle Group Inc.	5,914,905	$249,076,649
2	STEP	StepStone Group Inc. This page	1,930,015	$79,825,420
3	TPG	TPG Inc.	1,388,558	$56,306,026
4	AAMI	Acadian Asset Management Inc.	207,796	$14,861,569
5	GCMG	GCM Grosvenor Inc.	438,148	$5,389,220
6	BX	Blackstone Inc.	42,124	$4,956,731
7	APO	Apollo Global Management, Inc.	8,367	$989,899
8	STT	State Street Corp	1,379	$233,878

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$79,825,420	1,930,015	+0.8%	Shares	Sole	2026-08-12
2026-03-31	$91,358,842	1,914,477	+185.7%	Shares	Sole	2026-05-08
2025-12-31	$43,006,220	670,192	+7.4%	Shares	Sole	2026-02-09
2025-09-30	$40,748,149	623,919	+16.6%	Shares	Sole	2025-11-12
2025-06-30	$29,699,437	535,125	+4.5%	Shares	Sole	2025-07-29
2025-03-31	$26,755,026	512,254	+4.3%	Shares	Sole	2025-05-09
2024-12-31	$28,429,672	491,183	+16.5%	Shares	Sole	2025-02-10
2024-09-30	$23,963,506	421,670	-27.3%	Shares	Sole	2024-11-08
2024-06-30	$26,618,586	580,052	-4.7%	Shares	Sole	2024-08-08
2024-03-31	$21,759,548	608,829	+1.0%	Shares	Sole	2024-05-08
2023-12-31	$19,186,391	602,777	+44.9%	Shares	Sole	2024-02-09
2023-09-30	$13,137,374	416,003	-19.9%	Shares	Sole	2023-11-09
2020-09-30	$13,821,686	519,417	—	Shares	Sole	2020-11-06
No filing history on record for this holder in this stock.