12 West Capital Management LP
In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 14, 2026), 12 West Capital Management LP reported 18 stock positions worth $534.7 million. Its top holding was GDS Holdings Ltd. - ADR (GDS) at 14.4% of the portfolio, followed by BBB Foods Class A (TBBB, 13.4%) and Roblox Class A (RBLX, 9.7%). Compared with Q1 2026, it opened 2 new positions, sold out of 4, added to 3 and reduced 7. The biggest buy was Acm Research Class A (ACMR, shares +3589%) and the biggest sale Shake Shack Class A (SHAK, shares −31%).
- Most Recent 13F
- Q2 2026
- Location
- NEW YORK, NY
- CIK
- 0001540531
- Portfolio Value
- $534.7M (Q2 2026)
- SEC Filing
- 0001540531-26-000005 ↗ filed Aug 14, 2026
Holdings Value
Holdings 18 stocks · $534.7M
| GDS GDS Holdings Ltd. - ADR filed as GDS HLDGS LTD | 14.40% | 2,563,192 | $77.0M | Reduce -0.5% |
| TBBB BBB Foods Inc. Class A | 13.39% | 1,717,770 | $71.6M | Reduce -24.9% |
| RBLX Roblox Corp. Class A | 9.66% | 950,000 | $51.7M | No change |
| SHAK Shake Shack Inc. Class A | 9.05% | 863,411 | $48.4M | Reduce -30.6% |
| MRVI Maravai Lifesciences Hldgs-A | 8.24% | 7,060,195 | $44.1M | Reduce -2.8% |
| RGEN Repligen Corp. | 7.15% | 280,165 | $38.2M | Add +46.5% |
| AFRM Affirm Holdings Inc. | 7.02% | 460,000 | $37.5M | Reduce -14.0% |
| TOST Toast Inc. Class A | 6.49% | 1,247,840 | $34.7M | No change |
| ACMR Acm Research Inc. Class A | 5.34% | 225,000 | $28.6M | Add +3588.5% |
| HTFL Heartflow Inc. | 4.95% | 902,500 | $26.5M | Add +41.0% |
| NET Cloudflare Inc. Class A | 4.82% | 105,000 | $25.8M | No change |
| HE Hawaiian Electric Inds | 2.85% | 1,125,000 | $15.2M | Reduce -37.5% |
| KRUS Kura Sushi USA Inc. Class A | 1.88% | 175,000 | $10.1M | Reduce -60.8% |
| OFRM Once Upon A Farm PBC | 1.40% | 365,000 | $7.5M | No change |
| SHOP Shopify Inc. Class A | 1.11% | 52,000 | $5.9M | No change |
| ENPH Enphase Energy Inc. | 0.92% | 100,000 | $4.9M | New |
| ON On Semiconductor | 0.88% | 50,000 | $4.7M | New |
| NU Nu Holdings Ltd./Cayman Isl-A filed as NU HLDGS LTD | 0.46% | 185,000 | $2.5M | No change |
Portfolio Sells Q1 2026 → Q2 2026
| SHAK Shake Shack Inc. Class A | Reduce -30.6% | 9.05% | −9.53 |
| WRBY Warby Parker Inc. Class A | Sold out | 0.00% | −4.64 |
| KRUS Kura Sushi USA Inc. Class A | Reduce -60.8% | 1.88% | −3.38 |
| GDS GDS Holdings Ltd. - ADR | Reduce -0.5% | 14.40% | −3.13 |
| HE Hawaiian Electric Inds | Reduce -37.5% | 2.85% | −1.66 |
| ELF Elf Beauty Inc. | Sold out | 0.00% | −0.72 |
| TBBB BBB Foods Inc. Class A | Reduce -24.9% | 13.39% | −0.27 |
| AEHR Aehr Test Systems | Sold out | 0.00% | −0.14 |
| CRWV Coreweave Inc. Class A | Sold out | 0.00% | −0.09 |
| AFRM Affirm Holdings Inc. | Reduce -14.0% | 7.02% | +2.88 |
| MRVI Maravai Lifesciences Hldgs-A | Reduce -2.8% | 8.24% | +4.77 |
Portfolio Buys Q1 2026 → Q2 2026
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 18 | $534.7M | GDS, TBBB, RBLX, SHAK, MRVI |
| Q1 2026 | 20 | $592.4M | SHAK, GDS, TBBB, RBLX, TOST |
| Q4 2025 | 18 | $839.7M | SHAK, GDS, RBLX, TBBB, TOST |
| Q3 2025 | 17 | $964.1M | GDS, SHAK, RBLX, TBBB, TOST |
| Q2 2025 | 17 | $945.5M | SHAK, GDS, RBLX, TOST, TBBB |
| Q1 2025 | 17 | $677.6M | SHAK, GDS, RBLX, TBBB, TOST |
| Q4 2024 | 16 | $954.6M | SHAK, GDS, RBLX, TOST, MRVI |
| Q3 2024 | 16 | $975.1M | SHAK, RBLX, MRVI, GDS, TOST |
| Q2 2024 | 18 | $970.3M | SHAK, GO, RBLX, PCOR, TOST |
| Q1 2024 | 23 | $1.1B | SHAK, PCOR, MRVI, GO, TOST |