ARG Private Equity, LLC - 06 Jan 2026 SCHEDULE 13D/A Report for StepStone Group Inc. Class A common stock, par value $0.001 per share (STEP)

Filing Manager
ARG Private Equity, LLC
Reporting Manager
Waldo Robert
Security
StepStone Group Inc. Class A common stock, par value $0.001 per share
Symbol
STEP
Shares outstanding
85,760,651 shares
Disclosed Ownership
3,687,708 shares
Ownership
4.3%
Form type
SCHEDULE 13D/A
Filing time
08 Jan 2026, 10:07:29 UTC
Date of event
06 Jan 2026
SEC
View on sec.gov

Quoteable Key Fact

"ARG Private Equity, LLC disclosed 4.3% ownership in StepStone Group Inc. Class A common stock, par value $0.001 per share (STEP) on 06 Jan 2026."

Quick Takeaways

  • ARG Private Equity, LLC filed SCHEDULE 13D/A for StepStone Group Inc. Class A common stock, par value $0.001 per share (STEP).
  • Disclosed ownership: 4.3%.
  • Date of event: 06 Jan 2026.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 08 Jan 2026, 10:07.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (5)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
ARG Private Equity, LLC 4.3% 3,662,708 3,662,708 0 /s/ Frederic Dorwart Frederic Dorwart, Manager 0001585937
ARGO Holdings, LLC 4.3% 3,662,708 3,662,708 0 /s/ Frederic Dorwart Frederic Dorwart, Manager of ARG Private Equity, LLC, its Manager 0001394221
Sanford Energy, Inc. 4.2% 3,589,480 3,589,480 /s/ Frederic Dorwart Frederic Dorwart, President 0001821971
KAISER GEORGE B 4.3% 3,662,708 3,662,708 /s/ Frederic Dorwart Frederic Dorwart, Attorney-in-fact 0001163432
Waldo Robert 4.3% 3,687,708 25,000 3,662,708 /s/ Robert A. Waldo Robert A. Waldo, Self 0001728668