StepStone Group LP — 13F Holdings & Portfolio
CIK 1502287 · latest 13F-HR filed 2026-05-15
StepStone Group LP manages $207.5M in 13F-reported U.S. long-equity assets across 18 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are KRMN (33.85%), STUB (22.74%), XNDU (12.62%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 3 new positions, exited 8, added to 5, and trimmed 9.
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.
$207.5M
Long-equity book
18
Distinct positions
2026-03-31
Filed 2026-05-15
+3 / −8 / ↑5 / ↓9
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- KARMAN HLDGS INC$57.8M +465.0%
- ONKURE THERAPEUTICS INC$9.7M +714.2%
- ENTRADA THERAPEUTICS INC.$1.8M +22.8%
- CHIME FINL INC$945.0K +50.7%
- GROVE COLLABORATIVE HOLD INC$68.5K +16.4%
Top Trims
- STUBHUB HLDGS INC-$55.1M -53.9%
- KODIAK AI INC.-$5.6M -36.5%
- UIPATH, INC.-$4.8M -32.3%
- GEN DIGITAL INC-$2.6M -91.2%
- SERVICENOW INC-$2.3M -97.2%
New Positions
- XANADU QUANTUM TECHNOLO LTD$26.2M
- EIKON THERAPEUTICS INC$4.2M
- MONGODB INC.$496.9K
Exited Positions
- FIGMA INC$3.4M
- RUBRIK INC$1.4M
- CIRCLE INTERNET GROUP INC$741.6K
- PDD HOLDINGS INC$561.9K
- REVOLUTION MEDICINES INC$475.6K
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 | KARMAN HLDGS INC | KRMN | 485924104 | $70.2M | 33.85% | 877,320 | SH |
| 2 | STUBHUB HLDGS INC | STUB | 86384P109 | $47.2M | 22.74% | 7,562,225 | SH |
| 3 | XANADU QUANTUM TECHNOLO LTD | XNDU | 98390R102 | $26.2M | 12.62% | 3,417,854 | SH |
| 4 | ONKURE THERAPEUTICS INC | OKUR | 68277Q105 | $11.0M | 5.31% | 2,660,612 | SH |
| 5 | UIPATH, INC. | PATH | 90364P105 | $10.0M | 4.83% | 902,973 | SH |
| 6 | KODIAK AI INC. | KDK | 500081104 | $9.8M | 4.73% | 1,412,702 | SH |
| 7 | ENTRADA THERAPEUTICS INC. | TRDA | 29384C108 | $9.6M | 4.63% | 761,277 | SH |
| 8 | NAVAN INC | NAVN | 639193101 | $6.4M | 3.09% | 483,901 | SH |
| 9 | PHATHOM PHARMACEUTICALS INC. | PHAT | 71722W107 | $4.7M | 2.26% | 422,085 | SH |
| 10 | EIKON THERAPEUTICS INC | EIKN | 282564103 | $4.2M | 2.02% | 395,340 | SH |
| 11 | DRAFTKINGS INC NEW | DKNG | 26142V105 | $3.5M | 1.68% | 160,902 | SH |
| 12 | CHIME FINL INC | CHYM | 16935C109 | $2.8M | 1.35% | 150,000 | SH |
| 13 | MONGODB INC. | MDB | 60937P106 | $496.9K | 0.24% | 2,030 | SH |
| 14 | GROVE COLLABORATIVE HOLD INC | GROV | 39957D201 | $487.3K | 0.23% | 380,702 | SH |
| 15 | TENAYA THERAPEUTICS INC | TNYA | 87990A106 | $318.9K | 0.15% | 462,163 | SH |
| 16 | GEN DIGITAL INC | GENVR | 668771116 | $249.2K | 0.12% | 622,931 | SH |
| 17 | VIA TRANSN INC | VIA | 92556W104 | $240.0K | 0.12% | 16,002 | SH |
| 18 | SERVICENOW INC | NOW | 81762P102 | $66.7K | 0.03% | 638 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 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 |