12 West Capital Management portfolio
Concentrated managerInvestment firmPortfolio as of Jun 30, 2026 (Q2 2026) · filed with the SEC on Aug 14, 2026 · data updated on Nov 5, 2026 · Q2 2026 13F (filing) ↗ · all its 13F filings ↗
A 13F shows the portfolio at quarter-end and is filed up to 45 days later: these are not real-time positions and they may have changed.
12 West Capital Management reported a $535M portfolio of 18 positions to the SEC as of the end of Q2 2026. Its largest positions are GDS, TBBB, RBLX. During the quarter it opened Enphase Energy and On Semiconductor and exited Warby Parker and e.l.f. Beauty.
Sections with a free account
What changed this quarter
15 positions with a change (2 new, 3 added to, 6 trimmed, 4 sold). 12 are listed here: those of 0.5 points of the portfolio or more (up to 12).
- ACM Research+3,589%more sharesIncreasedunder 0.1% → 5.3%
- Warby Parker−4.6 ppof portfolioSold out4.6% → —
- BBB Foods−25%fewer sharesReduced13.7% → 13.4%
- Shake Shack−31%fewer sharesReduced18.6% → 9.0%
- Kura Sushi USA−61%fewer sharesReduced5.3% → 1.9%
- Repligen+47%more sharesIncreased3.8% → 7.1%
- Hawaiian Electric Industries−38%fewer sharesReduced4.5% → 2.8%
- Heartflow+41%more sharesIncreased2.6% → 5.0%
- Affirm Holdings−14%fewer sharesReduced4.1% → 7.0%
- Enphase Energy+0.8 ppof portfolioNew— → 0.9%
- On Semiconductor+0.8 ppof portfolioNew— → 0.9%
- e.l.f. Beauty−0.7 ppof portfolioSold out0.7% → —
The figure on the right: for positions added to or trimmed, the change in the number of shares (%); for new and sold ones, the points of the portfolio moved (pp). Below, the portfolio weight before → after. Traded weight: what it bought or sold, excluding price effects.
Top holdings
- GDS HoldingsGDS14.4%
- BBB FoodsTBBB13.4%
- RobloxRBLX9.7%
- Shake ShackSHAK9.0%
- Maravai LifeSciences HoldingsMRVI8.2%
- RepligenRGEN7.1%
- Affirm HoldingsAFRM7.0%
- ToastTOST6.5%
- ACM ResearchACMR5.3%
- HeartflowHTFL5.0%
- CloudflareNET4.8%
- Hawaiian Electric IndustriesHE2.8%
- Kura Sushi USAKRUS1.9%
- Once Upon a Farm, PBCOFRM1.4%
- ShopifySHOP1.1%
“Since”: first quarter of the current run, unbroken until today. In the details, prices are the quarter-end prices of the quarters in which it added shares, per the 13F. The manager may have bought at any price within each quarter; the SEC only publishes the value at quarter end.
Portfolio by sector
- ● Information Technology 27%
- ● Health Care 20%
- ● Consumer Staples 15%
- ● Financials 14%
- ● Consumer Discretionary 11%
- ● Communication Services 10%
- ● Utilities 3%
How its portfolio changed (8 quarters)
Q2 2026: 18
Q2 2026: 86%
Q2 2026: 14.1%
Traded turnover: the weight it bought plus the weight it sold in the quarter, divided by two, excluding price moves. The plain “turnover” in the header does include that effect. With a free account: the full history and sectors over time.
Stakes above 5% (13D/13G)
Companies where this filer reported holding 5% or more of the shares. It is the figure from its latest filing on each one; history since December 2024.
How we classify it
Investment firm, per its Form ADV of Mar 20, 2026 (high confidence).
The data, as reported: 12 WEST CAPITAL MANAGEMENT LP (CRD 160197): 7.B private funds: 4 hedge (gross assets $1.3 bn); 5.D assets by client type: pooled vehicles 100% (of $1.3 bn)
The type comes from a rule applied to that data. If it looks wrong, tell us.
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