Q2 2026 13F · SEC CIK 1540531
12 West Capital Management LP
Hedge fundFiled 2026-08-14 for Q2 2026. Open the filing ↗ · All SEC filings ↗
- Reported 13F value
- $534.7M
- Reported positions
- 18
- Top holdings a year, 3 yrs
- +12.8%
- Assets under management
- $1.3B
12 West Capital Management LP is a hedge fund that reported 18 positions worth $534.7M in its Q2 2026 13F, filed 2026-08-14. Its largest holdings were Gds Hldgs Ltd (GDS, 14.4%), Bbb Foods Inc (TBBB, 13.4%), Roblox Corp (RBLX, 9.7%). A portfolio copying its top holdings returned 12.8% a year over the last 3 years, against 20.4% for the S&P 500.
12 West Capital Management LP holdings all 18 positions.
Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.
| Stock | % of 13F value | Share change | Reported value |
|---|---|---|---|
| GDSGds Hldgs Ltd | 14.4% | -0.5% | $77.0M |
| TBBBBbb Foods Inc | 13.4% | -24.9% | $71.6M |
| RBLXRoblox Corp | 9.7% | +0.0% | $51.7M |
| SHAKShake Shack Inc | 9.0% | -30.6% | $48.4M |
| MRVIMaravai Lifesciences Hldgs-A | 8.2% | -2.8% | $44.1M |
| RGENRepligen Corp | 7.1% | +46.5% | $38.2M |
| AFRMAffirm Hldgs Inc | 7.0% | -14.0% | $37.5M |
| TOSTToast Inc | 6.5% | +0.0% | $34.7M |
| ACMRACM Research, Inc. | 5.3% | +3588.5% | $28.6M |
| HTFLHeartflow Inc | 5.0% | +41.0% | $26.5M |
| NETCloudflare Inc | 4.8% | +0.0% | $25.8M |
| HEHawaiian Elec Inds Inc Mtn Be Com | 2.8% | -37.5% | $15.2M |
| KRUSKura Sushi USA Inc Class | 1.9% | -60.8% | $10.1M |
| OFRMOnce Upon A Farm Pbc | 1.4% | +0.0% | $7.5M |
| SHOPShopify Inc | 1.1% | +0.0% | $5.9M |
| ENPHEnphase Energy Inc | 0.9% | — | $4.9M |
| ONOn Semiconductor Corp | 0.9% | — | $4.7M |
| NUNu Hldgs Ltd | 0.5% | +0.0% | $2.5M |
What 12 West Capital Management LP bought and sold in Q2 2026, against Q1 2026.
New positions
- ENPH Enphase Energy Inc0.9% of 13F
- ON On Semiconductor Corp0.9% of 13F
Added to
- ACMR ACM Research, Inc.+3588.5% shares
- RGEN Repligen Corp+46.5% shares
- HTFL Heartflow Inc+41.0% shares
Reduced
- KRUS Kura Sushi USA Inc Class-60.8% shares
- HE Hawaiian Elec Inds Inc Mtn Be Com-37.5% shares
- SHAK Shake Shack Inc-30.6% shares
- TBBB Bbb Foods Inc-24.9% shares
- AFRM Affirm Hldgs Inc-14.0% shares
Sold out
- WRBY Warby Parker Incwas 4.6%
- ELF E.L.F. Beauty, Inc.was 0.7%
- AEHR Aehr Test Syswas 0.1%
- CRWV Coreweave Incwas 0.1%
Share counts compared with the Q1 2026 13F; a split also changes share counts.
How the holdings did against the S&P 500.
- 1 year
- -9.0% /yr
- S&P 500 +20.1%
- 3 years
- +12.8% /yr
- S&P 500 +20.4%
- 5 years
- -7.3% /yr
- S&P 500 +11.6%
A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.
Reported 13F value by quarter.
| Quarter | 13F value | Positions |
|---|---|---|
| Q2 2026 | $534.7M | 18 |
| Q1 2026 | $592.4M | 20 |
| Q4 2025 | $839.7M | 18 |
| Q3 2025 | $964.1M | 17 |
| Q2 2025 | $945.5M | 17 |
| Q1 2025 | $677.6M | 17 |
| Q4 2024 | $954.6M | 16 |
| Q3 2024 | $977.4M | 17 |
| Q2 2024 | $972.7M | 19 |
| Q1 2024 | $1.1B | 24 |
| Q4 2023 | $1.1B | 19 |
| Q3 2023 | $1.1B | 24 |
Questions about 12 West Capital Management LP's portfolio
What stocks does 12 West Capital Management LP own?
12 West Capital Management LP's latest 13F, for Q2 2026 and filed Aug 14, 2026, lists 18 positions worth $534.7M. The largest are Gds Hldgs Ltd (GDS) at 14.4%, Bbb Foods Inc (TBBB) at 13.4%, Roblox Corp (RBLX) at 9.7%, Shake Shack Inc (SHAK) at 9.0% and Maravai Lifesciences Hldgs-A (MRVI) at 8.2%.
What did 12 West Capital Management LP buy last quarter?
In Q2 2026, 12 West Capital Management LP added a new position in Enphase Energy Inc (ENPH), a new position in On Semiconductor Corp (ON), ACM Research, Inc. (ACMR) (+3588.5% shares), Repligen Corp (RGEN) (+46.5% shares) and Heartflow Inc (HTFL) (+41.0% shares), compared with its Q1 2026 filing.
What did 12 West Capital Management LP sell last quarter?
In Q2 2026, 12 West Capital Management LP sold all of Warby Parker Inc (WRBY), sold all of E.L.F. Beauty, Inc. (ELF), sold all of Aehr Test Sys (AEHR), sold all of Coreweave Inc (CRWV), Kura Sushi USA Inc Class (KRUS) (-60.8% shares), Hawaiian Elec Inds Inc Mtn Be Com (HE) (-37.5% shares) and Shake Shack Inc (SHAK) (-30.6% shares), compared with its Q1 2026 filing.
How has 12 West Capital Management LP's portfolio performed?
A portfolio copying 12 West Capital Management LP's 20 largest 13F holdings each quarter, from the day each filing was public, returned +12.8% a year over the last 3 years, against +20.4% for the S&P 500. Over 1 year: -9.0% against +20.1%. Over 5 years: -7.3% a year against +11.6%.
When is 12 West Capital Management LP's next 13F filing due?
13F filings are due 45 days after each quarter ends. 12 West Capital Management LP's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.
How much money does 12 West Capital Management LP manage?
12 West Capital Management LP reported $1.3B of regulatory assets under management on its latest SEC Form ADV. Its 13F, which covers only US-listed stocks and options, totals $534.7M.