StepStone Group Inc.

STEPRank #304 of 316

Reference Jun 30, 2026 close implied by Form 13F filings

Circulating market cap

$3.40B

Upper bound: lock-ups and restricted stock not reviewed yet.

Traditional market cap: $4.99B
Fully diluted value: n/a
Free float market cap: -
Gap to traditional: $1.59B (31.8%)

Circulating supply82.29M / 120.68M

Free float
Locked team
Other restricted

Circulating: 82.29M · 68.2%
Free float: -
Locked team: n/r
Other restricted: 38.39M · 31.8%
Total outstanding: 120,676,668

Lock-ups and restricted stock for this company have not been reviewed yet. Only unlisted share classes are excluded, so circulating supply is an upper bound.

Supply breakdown

Shares as of Aug 4, 2026

Circulating68.2%82.29M shares

Category	Shares	%	Value	Status
Circulating	82.29M	68.2%	$3.40B	Estimated
Free float	-	-	-	Unavailable
Insider-held, unrestricted	-	-	-	Unavailable
Locked team funds	-	-	-	Unavailable
Other restricted (unlisted classes only)	38.39M	31.8%	$1.59B	Verified
Total outstanding	120.68M	100.0%	$4.99B	Verified
Ownership views (overlap the categories above, never added)
Institutional holdings (13F)	79.85M	66.2%	$3.30B	Estimated
Insider-held, all (Forms 3, 4, 5)	-	-	-	Unavailable

Institutional and insider holdings can include both tradable and locked shares, so they are shown for reference and never added to the total. Check: no class has more shares deducted than it has outstanding, and the review found no shares that may be counted twice: reconciles.

Valuation

Traditional$4.99B
Fully diluted-
Circulating$3.40B
Free float-
Locked team value$0
Other restricted value$1.59B

Locked and restricted shares

1 item

Class B (not listed on any exchange)

38,387,761 shares

31.8% of total · $1.59B

Class B shares are not listed on any exchange and cannot be traded as they are. A holder must first convert them into Class A shares, which can then be sold. FloatCap counts them outside circulating supply until converted.

Verified10-Q, Cover page: shares outstanding by class; the class has no trading symbolApplied automatically to every unlisted class.

Institutional holders

13F, quarter ended Jun 30, 2026

Holder	Shares	% of total
BlackRock, Inc.	11.97M	9.92%
MILLENNIUM MANAGEMENT LLC	5.62M	4.66%
WELLINGTON MANAGEMENT GROUP LLP	5.19M	4.30%
PRICE T ROWE ASSOCIATES INC /MD/	5.17M	4.28%
VANGUARD PORTFOLIO MANAGEMENT LLC	4.67M	3.87%
VANGUARD CAPITAL MANAGEMENT LLC	3.55M	2.94%
STATE STREET CORP	3.12M	2.58%
Capital World Investors	2.52M	2.09%
GEODE CAPITAL MANAGEMENT, LLC	2.02M	1.67%
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	1.93M	1.60%

Sum of long share positions in Form 13F reports for the quarter. 13F covers managers with over $100M in US equities; some positions are reported by more than one filer.

Insiders

Forms 3, 4 and 5

Form 4 aggregation pending

Share classes

Class	Listing	Shares outstanding	As of
Class A	STEP on Nasdaq	82,288,907	Aug 4, 2026
Class B	Not listed (valued at STEP)	38,387,761	Aug 4, 2026

Notes and sources

StepStone Group Inc. 10-Q for period ended 2026-06-30, Cover page (0001628280-26-054818)
StepStone Group Inc. 10-Q for period ended 2026-06-30, Cover page: shares outstanding by class; the class has no trading symbol (0001628280-26-054818)
SEC public float (non-affiliates): $5.11B as of Sep 30, 2025, from the 10-K cover. It is a dollar value at a past date, not circulating supply.