Square Wave Capital, LLC — 13F Holdings & Portfolio
CIK 2077145 · latest 13F-HR filed 2026-08-14
Square Wave Capital, LLC manages $670.3M in 13F-reported U.S. long-equity assets across 11 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are MU (15.43%), ASML (14.19%), ATI (13.08%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 2 new positions, exited 3, added to 7, and trimmed 2.
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.
SUITE 310
BROOKLYN, NY 11201
$670.3M
Long-equity book
11
Distinct positions
2026-06-30
Filed 2026-08-14
+2 / −3 / ↑7 / ↓2
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- MICRON TECHNOLOGY INC$94.5M +1064.0%
- CARPENTER TECHNOLOGY CORP$58.2M +321.2%
- ASML HLDG NV$44.0M +86.0%
- ATI INC$34.4M +64.5%
- AMAZON COM INC$30.7M +55.9%
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 | MICRON TECHNOLOGY INC | MU | 595112103 | $103.4M | 15.43% | 89,600 | SH |
| 2 | ASML HLDG NV | ASML | N07059210 | $95.1M | 14.19% | 47,800 | SH |
| 3 | ATI INC | ATI | 01741R102 | $87.7M | 13.08% | 444,800 | SH |
| 4 | MARRIOTT INTL INC NEW | MAR | 571903202 | $86.1M | 12.84% | 232,300 | SH |
| 5 | AMAZON COM INC | AMZN | 023135106 | $85.5M | 12.76% | 358,800 | SH |
| 6 | CARPENTER TECHNOLOGY CORP | CRS | 144285103 | $76.4M | 11.39% | 123,800 | SH |
| 7 | ALPHABET INC | GOOGL | 02079K305 | $39.4M | 5.88% | 110,300 | SH |
| 8 | INTEL CORP | INTC | 458140100 | $31.8M | 4.75% | 228,100 | SH |
| 9 | TRADEWEB MKTS INC | TW | 892672106 | $27.9M | 4.17% | 280,200 | SH |
| 10 | FTAI AVIATION LTD | FTAI | G3730V105 | $24.7M | 3.68% | 91,200 | SH |
| 11 | MASTEC INC | MTZ | 576323109 | $12.3M | 1.83% | 29,500 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $670.3M | 11 | 0001213900-26-089594 |
| 2026-03-31 | 2026-05-15 | $413.4M | 12 | 0001213900-26-057257 |
| 2025-12-31 | 2026-02-17 | $430.2M | 9 | 0001213900-26-017018 |
| 2025-09-30 | 2025-11-14 | $273.3M | 8 | 0001213900-25-110488 |