Square Wave Capital, LLC
In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 14, 2026), Square Wave Capital, LLC reported 11 stock positions worth $670.3 million. Its top holding was Micron Technology (MU) at 15.4% of the portfolio, followed by ASML Holding NV-NY Reg SHS (ASML, 14.2%) and Ati (ATI, 13.1%). Compared with Q1 2026, it opened 2 new positions, sold out of 3, added to 7 and reduced 2. The biggest buy was Micron Technology (MU, shares +241%) and the biggest sale Tradeweb Markets Class A (TW, shares −43%).
- Most Recent 13F
- Q2 2026
- Location
- BROOKLYN, NY
- CIK
- 0002077145
- Portfolio Value
- $670.3M (Q2 2026)
- SEC Filing
- 0001213900-26-089594 ↗ filed Aug 14, 2026
Holdings Value
Holdings 11 stocks · $670.3M
| MU Micron Technology Inc. | 15.43% | 89,600 | $103.4M | Add +240.7% |
| ASML ASML Holding NV-NY Reg SHS filed as ASML HLDG NV | 14.19% | 47,800 | $95.1M | Add +23.5% |
| ATI Ati Inc. | 13.08% | 444,800 | $87.7M | Add +21.4% |
| MAR Marriott International Class A | 12.84% | 232,300 | $86.1M | Add +8.4% |
| AMZN Amazon.com Inc. | 12.76% | 358,800 | $85.5M | Add +36.2% |
| CRS Carpenter Technology | 11.39% | 123,800 | $76.4M | Add +169.1% |
| GOOGL Alphabet Inc. Class A | 5.88% | 110,300 | $39.4M | Add +7.3% |
| INTC Intel Corp. | 4.75% | 228,100 | $31.8M | New |
| TW Tradeweb Markets Inc. Class A | 4.17% | 280,200 | $27.9M | Reduce -43.4% |
| FTAI Ftai Aviation Ltd. | 3.68% | 91,200 | $24.7M | New |
| MTZ Mastec Inc. | 1.83% | 29,500 | $12.3M | Reduce -51.3% |
Portfolio Sells Q1 2026 → Q2 2026
Portfolio Buys Q1 2026 → Q2 2026
| MU Micron Technology Inc. | Add +240.7% | 15.43% | +13.28 |
| CRS Carpenter Technology | Add +169.1% | 11.39% | +7.01 |
| INTC Intel Corp. | New | 4.75% | +4.75 |
| FTAI Ftai Aviation Ltd. | New | 3.68% | +3.68 |
| ASML ASML Holding NV-NY Reg SHS | Add +23.5% | 14.19% | +1.82 |
| ATI Ati Inc. | Add +21.4% | 13.08% | +0.19 |
| AMZN Amazon.com Inc. | Add +36.2% | 12.76% | −0.51 |
| GOOGL Alphabet Inc. Class A | Add +7.3% | 5.88% | −1.27 |
| MAR Marriott International Class A | Add +8.4% | 12.84% | −4.11 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 11 | $670.3M | MU, ASML, ATI, MAR, AMZN |
| Q1 2026 | 12 | $413.4M | MAR, TW, AMZN, ATI, ASML |
| Q4 2025 | 9 | $430.2M | FICO, MAR, MCO, TW, VEEV |
| Q3 2025 | 8 | $273.3M | VEEV, TW, FICO, MAR, EFX |
| Q2 2025 | 7 | $104.3M | AXON, TW, VEEV, EFX, FICO |
| Q1 2025 | 8 | $93.4M | TW, FICO, EFX, AXON, IT |
| Q4 2024 | 8 | $103.7M | AXON, FICO, VEEV, TW, IT |