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.
SUITE 1600
LA JOLLA, CA 92037
$2.16B
Long-equity book
23
Distinct positions
2026-06-30
Filed 2026-08-13
+9 / −4 / ↑8 / ↓4
vs 2026-03-31
| 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%
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
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 |