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 and exited 4; 8 existing positions rose in reported value and 4 fell.
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.
Long-equity book
Distinct positions
Filed 2026-08-13
vs 2026-03-31
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
Portfolio map
Q2 26Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.
Sector mix
% of 13F valueSectors from each company's SIC code; funds and ETFs grouped separately.
Biggest buys and sells
Q1 26 → Q2 26Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.
13F assets and positions
4 quartersTotal reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.
Top positions over time
reported valueThe eight largest current positions, valued at each quarter end.
Concentration
top 10 = 99.2%Cumulative share of the portfolio held in the largest N positions.
SUITE 1600
LA JOLLA, CA 92037
| Name | Title / Status | Ownership | Type |
|---|---|---|---|
| BOUEY, BENDUKAI, EDWARD Control | CHIEF COMPLIANCE OFFICER | Less than 5% | Individual |
| FERNANDEZ, JOSE, AGUSTIN Control | CO-CHIEF OPERATING OFFICER, PARTNER | Less than 5% | Individual |
| HART, SCOTT, WILLIAM Control | PARTNER, CHIEF EXECUTIVE OFFICER | Less than 5% | Individual |
| ISHIGURO, JENNIFER, YAYOI Control | PARTNER, CHIEF LEGAL OFFICER | Less than 5% | Individual |
| KECK, THOMAS, PORTER Control | PARTNER, HEAD OF PORTFOLIO MANAGEMENT | Less than 5% | Individual |
| MENT, JASON, PAUL Control | PARTNER, PRESIDENT AND CO-CHIEF OPERATING OFFICER | Less than 5% | Individual |
| PARK, DAVID, YONGIL Control | PARTNER, CHIEF FINANCIAL OFFICER | Less than 5% | Individual |
| STEPSTONE GROUP HOLDINGS LLC Control | GENERAL PARTNER | Less than 5% | Domestic Entity |
| STEPSTONE GROUP INC. Control | LIMITED PARTNER | 50–75% | Domestic Entity |
| STEPSTONE GROUP INC. Control | SOLE MANAGING MEMBER | 75% or more | Domestic Entity |
Quarter-over-quarter changes
Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.
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%
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%
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
Exited Positions
- UIPATH, INC.$10.0M
- DRAFTKINGS INC NEW$3.5M
- MONGODB INC.$496.9K
- SERVICENOW INC$66.7K
StepStone Group LP Holdings (2026-06-30)
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 |
| 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 |
SUITE 1600
LA JOLLA, CA 92037