StepStone Group LP — 13F Holdings & Portfolio

CIK 1502287 · latest 13F-HR filed 2026-08-13

StepStone Group LP manages $2.16B in 13F-reported U.S. long-equity assets across 23 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are SPCX (86.62%), STUB (4.51%), CBRS (3.48%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 9 new positions, exited 4, added to 8, and trimmed 4.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

Filer Information
Address
4225 EXECUTIVE SQUARE
SUITE 1600
LA JOLLA, CA 92037
Phone
(858) 558-9700
Filing Manager
StepStone Group LP
La Jolla, CA
Signatory
Bendukai Bouey
Chief Compliance Officer and Deputy General Counsel
Loading holdings…
AUM

$2.16B

Long-equity book

Holdings

23

Distinct positions

Period

2026-06-30

Filed 2026-08-13

Q/Q Activity

+9 / −4 / ↑8 / ↓4

vs 2026-03-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • STUBHUB HLDGS INC$50.1M +106.3%
  • XANADU QUANTUM TECHNOLO LTD$15.2M +58.1%
  • ONKURE THERAPEUTICS INC$1.1M +10.1%
  • EIKON THERAPEUTICS INC$976.5K +23.3%
  • GEN DIGITAL INC$538.8K +216.3%
Show all 8

Top Trims

  • KARMAN HLDGS INC-$58.2M -82.8%
  • NAVAN INC-$5.1M -79.2%
  • ENTRADA THERAPEUTICS INC-$4.0M -41.7%
  • KODIAK AI INC-$2.6M -26.8%
Show all 4

New Positions

  • SPACE EXPLORATION TECHN CORP$1.87B
  • CEREBRAS SYSTEMS INC$75.2M
  • TEAMSHARES INC$16.4M
  • KLARNA GROUP PLC$2.7M
  • DATADOG INC$1.8M
Show all 9

Exited Positions

  • UIPATH, INC.$10.0M
  • DRAFTKINGS INC NEW$3.5M
  • MONGODB INC.$496.9K
  • SERVICENOW INC$66.7K
Show all 4
All Holdings

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 SPACE EXPLORATION TECHN CORP SPCX 84615Q103 $1.87B 86.62% 10,940,730 SH
2 STUBHUB HLDGS INC STUB 86384P109 $97.3M 4.51% 7,562,225 SH
3 CEREBRAS SYSTEMS INC CBRS 15675D103 $75.2M 3.48% 340,321 SH
4 XANADU QUANTUM TECHNOLO LTD XNDU 98390R102 $41.4M 1.92% 3,417,854 SH
5 TEAMSHARES INC TMS 87821B109 $16.4M 0.76% 1,999,971 SH
6 ONKURE THERAPEUTICS INC OKUR 68277Q105 $12.1M 0.56% 2,660,612 SH
7 KARMAN HLDGS INC KRMN 485924104 $12.0M 0.56% 241,315 SH
8 KODIAK AI INC KDK 500081104 $7.2M 0.33% 1,412,928 SH
9 ENTRADA THERAPEUTICS INC TRDA 29384C108 $5.6M 0.26% 761,277 SH
10 EIKON THERAPEUTICS INC EIKN 282564103 $5.2M 0.24% 395,340 SH
11 PHATHOM PHARMACEUTICALS INC. PHAT 71722W107 $4.6M 0.21% 422,085 SH
12 CHIME FINL INC CHYM 16935C109 $3.1M 0.14% 150,000 SH
13 KLARNA GROUP PLC KLAR G5279N105 $2.7M 0.12% 132,018 SH
14 DATADOG INC DDOG 23804L103 $1.8M 0.09% 7,074 SH
15 NAVAN INC NAVN 639193101 $1.3M 0.06% 58,258 SH
16 GEN DIGITAL INC GENVR 668771116 $788.0K 0.04% 622,931 SH
17 CROWDSTRIKE HLDGS INC CRWD 22788C105 $748.3K 0.03% 3,922 SH
18 GROVE COLLABORATIVE HOLD INC GROV 39957D201 $476.2K 0.02% 380,925 SH
19 TENAYA THERAPEUTICS INC TNYA 87990A106 $341.5K 0.02% 462,163 SH
20 VIA TRANSN INC VIA 92556W104 $290.3K 0.01% 16,002 SH
21 CIRCLE INTERNET GROUP INC CRCL 172573107 $138.0K 0.01% 2,204 SH
22 ROBINHOOD MKTS INC HOOD 770700102 $78.8K 0.00% 786 SH
23 RUBRIK INC RBRK 781154109 $4.8K 0.00% 60 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-13 $2.16B 23 0001193125-26-349455
2026-03-31 2026-05-15 $207.5M 18 0001193125-26-225924
2025-12-31 2026-02-17 $186.9M 23 0001193125-26-053625
2025-09-30 2025-11-14 $212.7M 16 0001193125-25-281926