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StepStone Group Inc.

STEP
Exchange
Nasdaq
Industry
Investment Advice
SEC CIK
0001796022

No open-market purchases or sales by StepStone Group Inc. insiders were filed in the last 90 days; 273 institutions reported holding it in 13F filings for Q2 2026, worth $3.30B in total; no superinvestor holds it.

Holders of 5% or more of STEP

Holders whose latest Schedule 13D or 13G filing reports 5% or more of StepStone Group Inc., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of STEP
HolderLatest formStakeChangeFirst filedLatest filingFiling
BlackRock, Inc.13G/A12.90%9.77M shares−1.00 ppfrom 13.90%Feb 5, 20252 filingsApr 21, 2025SEC
Wellington Management Group LLP13G7.30%5.72M shares+2.50 ppfrom 4.80%Feb 4, 20218 filingsNov 12, 2025SEC
Millennium Management LLC13G/A6.80%5.62M shares−2.20 ppfrom 9.00%Jun 20, 20246 filingsJul 31, 2026SEC
Fernandez Jose A13D6.00%5.03M sharesNewSep 18, 20251 filingSep 18, 2025SEC
Brem Monte M13D/A6.00%5.03M shares−32.50 ppfrom 38.50%Mar 25, 202121 filingsSep 18, 2025SEC
Vanguard Portfolio Management LLC13G5.67%4.55M sharesNewApr 29, 20261 filingApr 29, 2026SEC
Price T Rowe Associates Inc13G/A5.60%4.38M shares−2.40 ppfrom 8.00%Feb 16, 20217 filingsNov 14, 2025SEC
Keck Thomas13D5.20%4.30M sharesNewSep 18, 20251 filingSep 18, 2025SEC
Vanguard Capital Management LLC13G5.10%4.09M sharesNewApr 30, 20261 filingApr 30, 2026SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

110 Schedule 13D and 13G filings on StepStone Group Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on STEP
Filed (ET)FilerFormStakeChangeEvent dateFiling
Jul 31, 20267:00 PM ETMillennium Management LLCand 3 others13G/A6.80%5.62M shares−2.20 ppfrom 9.00%Jun 30, 2026SEC
May 6, 20265:25 PM ETInvesco Ltd.13G/A0.60%500.7K shares−4.70 ppfrom 5.30%Below 5%Mar 31, 2026SEC
Apr 30, 20261:54 PM ETVanguard Capital Management LLC13G5.10%4.09M sharesNewMar 31, 2026SEC
Apr 29, 20263:16 PM ETVanguard Portfolio Management LLC13G5.67%4.55M sharesNewMar 31, 2026SEC
Apr 27, 20267:22 PM ETMillennium Management LLCand 3 others13G/A9.00%7.17M shares+3.30 ppfrom 5.70%Mar 31, 2026SEC
Mar 27, 20261:16 PM ETVanguard Group Inc13G/A0.00%0 shares−10.67 ppfrom 10.67%Below 5%Mar 13, 2026SEC
Jan 14, 20269:00 PM ETLim James13D/A4.00%3.20M shares−1.30 ppfrom 5.30%Below 5%Jan 13, 2026SEC
Jan 8, 202610:07 AM ETARG Private Equity, LLCand 4 others13D/A4.30%3.69M shares–Below 5%Jan 6, 2026SEC
Jan 7, 20262:59 PM ETVanguard Group Inc13G/A10.67%8.45M shares–Dec 31, 2025SEC
Nov 14, 202512:19 PM ETPrice T Rowe Associates Inc13G/A5.60%4.38M shares−2.40 ppfrom 8.00%Sep 30, 2025SEC
Nov 12, 20259:33 AM ETWellington Management Group LLPand 3 others13G7.30%5.72M shares+2.50 ppfrom 4.80%Sep 30, 2025SEC
Sep 18, 20254:37 PM ETFernandez Jose A13D6.00%5.03M sharesNewSep 18, 2025SEC
Sep 18, 20254:36 PM ETLim James13D/A5.30%4.20M shares–Sep 18, 2025SEC
Sep 18, 20254:31 PM ETKeck Thomas13D5.20%4.30M sharesNewSep 18, 2025SEC
Sep 18, 20254:26 PM ETBrem Monte Mand 5 others13D/A6.00%5.03M shares−32.50 ppfrom 38.50%Sep 18, 2025SEC
Aug 6, 202512:14 PM ETFMR LLCand 1 other13G/A3.20%2.43M shares–Below 5%Jun 30, 2025SEC
Jun 6, 20258:01 PM ETBrem Monte Mand 5 others13D/A38.50%43.2M shares−0.10 ppfrom 38.60%Jun 4, 2025SEC
May 29, 20254:11 PM ETMillennium Management LLCand 3 others13G/A5.70%4.40M shares+0.60 ppfrom 5.10%May 23, 2025SEC
May 21, 20254:09 PM ETMillennium Management LLCand 2 others13G5.10%3.83M shares–May 15, 2025SEC
May 14, 202510:45 AM ETPrice T Rowe Associates Inc13G/A8.00%6.04M shares–Mar 31, 2025SEC
May 9, 20252:48 PM ETInvesco Ltd.13G5.30%4.01M sharesNewMar 31, 2025SEC
Apr 21, 20256:54 AM ETBlackRock, Inc.13G/A12.90%9.77M shares−1.00 ppfrom 13.90%Mar 31, 2025SEC
Feb 10, 202510:25 AM ETWellington Management Group LLPand 2 others13G/A4.80%3.49M shares–Below 5%Dec 31, 2024SEC
Feb 5, 20251:23 PM ETBlackRock, Inc.13G/A13.90%10.1M shares–Dec 31, 2024SEC
Jan 8, 20257:57 PM ETBrem Monte Mand 5 others13D/A38.60%42.5M shares–Jan 6, 2025SEC
Dec 5, 2024Brem Monte M13D/AOld format–––SEC
Nov 21, 2024Lim James13D/AOld format–––SEC
Nov 14, 2024Price T Rowe Associates Inc13GOld format–––SEC
Nov 12, 2024Vanguard Group Inc13G/AOld format–––SEC
Nov 12, 2024FMR LLC13GOld format–––SEC
Nov 8, 2024Millennium Management LLC13G/AOld format–––SEC
Nov 8, 2024Wellington Management Group LLP13G/AOld format–––SEC
Nov 4, 2024Vanguard Group Inc13G/AOld format–––SEC
Sep 13, 2024Bradley Thomas Alcott13D/AOld format–––SEC
Sep 13, 2024Brem Monte M13D/AOld format–––SEC
Sep 13, 2024Maruszewski Mark13D/AOld format–––SEC
Aug 21, 2024Brem Monte M13D/AOld format–––SEC
Aug 14, 2024Lim James13D/AOld format–––SEC
Jul 12, 2024Jeffrey David13D/AOld format–––SEC
Jul 8, 20244:32 PM ETBlackRock Inc.13G/AOld format–––SEC
Jun 20, 2024Millennium Management LLC13GOld format–New–SEC
May 1, 2024Brem Monte M13D/AOld format–––SEC
Apr 22, 2024Brem Monte M13D/AOld format–––SEC
Apr 17, 2024Newhall Charles Ashton13D/AOld format–––SEC
Apr 9, 2024Brem Monte M13D/AOld format–––SEC
Apr 9, 2024JPMorgan Chase & Co13G/AOld format–––SEC
Feb 27, 2024Brem Monte M13D/AOld format–––SEC
Feb 21, 2024Lim James13D/AOld format–––SEC
Feb 16, 2024T. Rowe Price Investment Management, Inc.13G/AOld format–––SEC
Feb 14, 2024T. Rowe Price Investment Management, Inc.13GOld format–––SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell StepStone Group Inc. shares.

No Form 144 notices for StepStone Group Inc. are on file.