Security key
85914M107
StepStone Group Inc. - Class A Common Stock, par value $0.001 per share (STEP)
CUSIP: 85914M107
Q3 2025 13F Holders as of 30 Sep 2025
- Security type / class
- Equity / Class A Common Stock, par value $0.001 per share
- Total 13F shares
- 73,953,998
- Total 13F value
- $4,829,625,347
- Share change
- +2,785,376
- SEC-reported price per share
- $65.31
- Number of holders
- 253
- Value change
- +$188,757,858
- Number of buys
- 145
- Number of sells
- 106
- Shares outstanding
- 82,639,676
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2025
Institutions
253
Top holders
10
STEP full security history
Ownership snapshot
Full 13F holder table
StepStone Group Inc. SEC filings
StepStone Group Inc. company facts
Broader feeds
Ownership snapshot
Top reported holders of STEP - StepStone Group Inc. - Class A Common Stock, par value $0.001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
30 Sep 2025
13F
13D/G
3/4/5
Lead comparable stake: 13%
13D/G row: BlackRock, Inc.
Showing 1-6 of 15 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 13%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
13%
WELLINGTON MANAGEMENT GROUP LLP
7.3%
Jose A. Fernandez
6%
Monte M. Brem
6%
PRICE T ROWE ASSOCIATES INC /MD/
5.6%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
13%
from 13D/G
|
$524,176,052
9,444,613 shares
|
— | 30 Jun 2025 |
| WELLINGTON MANAGEMENT GROUP LLP |
13D/G
13F
Company
|
7.3%
|
$373,773,898
5,723,073 shares
|
+$146,124,137 | 30 Sep 2025 |
| Jose A. Fernandez |
13D/G
|
6%
|
$313,222,944
5,033,311 shares
|
$0 | 18 Sep 2025 |
| Monte M. Brem |
13D/G
3/4/5
Jose A. Fernandez · Director, Member of 13D Group that owns more than 10%
|
6%
|
$313,222,944
5,033,311 shares
|
-$2,376,905,032 | 18 Sep 2025 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
13D/G
Company · T. Rowe Price Associates, Inc.
|
5.6%
from 13D/G
|
$336,218,000
6,057,978 shares
|
— | 30 Jun 2025 |
| Invesco Ltd. |
13F
13D/G
Company
|
5.3%
from 13D/G
|
$224,422,024
4,043,640 shares
|
— | 30 Jun 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
253
Shares
73,953,998
Rows available
253
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
265
Q3 2025 holders
253
Holder diff
-12
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 value | Q3 2025 value | Value change | Value Chg % |
|---|