Comparable stake leader
StepStone Group LP
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001957892.
Comparable stake leader
StepStone Group LP
Disclosed value leader
StepStone Group LP
Comparable rows
0/4
Latest evidence
16 Jun 2026
Ownership snapshot
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.
Quick read
0 of 4 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.
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| StepStone Group LP |
3/4/5
10%+ Owner
|
—
mixed-class rows
|
$3,184,530
2,014 shares
mixed-class rows
|
— | 16 Jun 2026 |
| Thomas Kent Sittema |
3/4/5
Director
|
—
class O/S missing
|
$1,853,499
118,662 shares
|
+$975,000 | 15 Jun 2026 |
| Ron D. Sturzenegger |
3/4/5
Director
|
—
class O/S missing
|
—
100,100 shares
|
— | 29 Sep 2023 |
| Robert W. Long |
3/4/5
Pres. & Prin. Exec. Officer, Director
|
—
class O/S missing
|
—
37,377 shares
|
— | 15 Jul 2024 |
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.
Forms 3/4/5 flow
Net insider flow leans to buying over the last 12 months. Net value: +$975,000.
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 14,405 | 0 | $225,000 | $0 | +$225,000 |
| 3-6 | 50,676 | 0 | $750,000 | $0 | +$750,000 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Showing 1-14 of 14 reporting-owner rows connected to StepStone Private Infrastructure Fund. Open a relationship link for the CIK-to-CIK filing trail.
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| StepStone Group LP | 10%+ Owner | $3,184,530 | Mixed | 16 Jun 2026 | ||
| Thomas Kent Sittema | Director | $1,853,499 | +$975,000 | +111% | Filing P/S | 15 Jun 2026 |
| Terry West Prather | Director | Mixed | 23 May 2024 | |||
| Dean Anthony Caruvana | Secretary and CCO | Mixed | 01 Sep 2023 | |||
| Adam Reisler | Portfolio Manager | Mixed | 13 Jul 2023 | |||
| Timothy Adair Smith | Vice President | Mixed | 09 Nov 2023 | |||
| Robert W. Long | Pres. & Prin. Exec. Officer, Director | Mixed | 15 Jul 2024 | |||
| Ron D. Sturzenegger | Director | Mixed | 29 Sep 2023 | |||
| StepStone Group Real Assets LP | Sub-Advisor | Mixed | 13 Jul 2023 | |||
| Kimberly Zeitvogel | Treasurer & Prin. Fin. Officer | Mixed | 13 Jul 2023 | |||
| StepStone Group Private Wealth LLC | Adviser | Mixed | 13 Jul 2023 | |||
| Christopher Ancona | Chief Compliance Officer | Mixed | 13 Jul 2023 | |||
| Harold Mills | Director | Mixed | 13 Jul 2023 | |||
| Tracy G. Schmidt | Director | Mixed | 13 Jul 2023 |
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| StepStone Group LP | Class I Common Shares of Beneficial Interest | Sale | -100% | -274,528 | 0 | 16 Jun 2026 | Direct | |||
| StepStone Group LP | Class D Common Shares of Beneficial Interest | Sale | -100% | -1,007 | 0 | 16 Jun 2026 | Direct | |||
| Thomas Kent Sittema | Class I Shares of Beneficial Interest | Purchase | 13.8% | $225,000 | $15.62 | 14,405 | 118,662 | 15 Jun 2026 | By Wellspring Stewardship Trust | |
| StepStone Group LP | Class U Common Shares of Beneficial Interest | Other | 2,014 | 2,014 | 18 May 2026 | Direct | ||||
| StepStone Group LP | Class S Common Shares of Beneficial Interest | Other | -100% | -2,014 | 0 | 18 May 2026 | Direct | |||
| Thomas Kent Sittema | Class I Shares of Beneficial Interest | Purchase | 18.5% | 16,308 | 104,257 | 10 Apr 2026 | By Wellspring Stewardship Trust | |||
| Thomas Kent Sittema | Class I Shares of Beneficial Interest | Purchase | 136% | $750,000 | $14.80 | 50,676 | 87,949 | 30 Jan 2026 | By Wellspring Stewardship Trust | |
| Thomas Kent Sittema | Class I Shares of Beneficial Interest | Gift | -100% | -70,925 | 0 | 19 Dec 2025 | Direct | |||
| Thomas Kent Sittema | Class I Shares of Beneficial Interest | Purchase | 16.5% | 5,252 | 37,119 | 29 Sep 2025 | By Wellspring Stewardship Trust |