Square Wave Capital, LLC — 13F Holdings & Portfolio
CIK 2077145 · latest 13F-HR filed 2026-05-15
Square Wave Capital, LLC manages $413.4M in 13F-reported U.S. long-equity assets across 12 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are MAR (16.95%), TW (14.08%), AMZN (13.27%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 5 new positions, exited 2, added to 1, and trimmed 4.
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.
$413.4M
Long-equity book
12
Distinct positions
2026-03-31
Filed 2026-05-15
+5 / −2 / ↑1 / ↓4
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Trims
- FAIR ISAAC CORP-$63.3M -89.3%
- VEEVA SYS INC-$51.9M -92.1%
- MOODYS CORP-$21.4M -36.2%
- ALPHABET INC-$7.9M -21.2%
New Positions
- ATI INC$53.3M
- ASML HLDG NV$51.1M
- MASTEC INC$19.5M
- CARPENTER TECHNOLOGY CORP$18.1M
- MICRON TECHNOLOGY INC$8.9M
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 | MARRIOTT INTL INC NEW | MAR | 571903202 | $70.1M | 16.95% | 214,240 | SH |
| 2 | TRADEWEB MKTS INC | TW | 892672106 | $58.2M | 14.08% | 494,815 | SH |
| 3 | AMAZON COM INC | AMZN | 023135106 | $54.9M | 13.27% | 263,400 | SH |
| 4 | ATI INC | ATI | 01741R102 | $53.3M | 12.89% | 366,400 | SH |
| 5 | ASML HLDG NV | ASML | N07059210 | $51.1M | 12.37% | 38,700 | SH |
| 6 | MOODYS CORP | MCO | 615369105 | $37.7M | 9.13% | 86,500 | SH |
| 7 | ALPHABET INC | GOOGL | 02079K305 | $29.6M | 7.15% | 102,800 | SH |
| 8 | MASTEC INC | MTZ | 576323109 | $19.5M | 4.72% | 60,600 | SH |
| 9 | CARPENTER TECHNOLOGY CORP | CRS | 144285103 | $18.1M | 4.39% | 46,000 | SH |
| 10 | MICRON TECHNOLOGY INC | MU | 595112103 | $8.9M | 2.15% | 26,300 | SH |
| 11 | FAIR ISAAC CORP | FICO | 303250104 | $7.6M | 1.83% | 7,100 | SH |
| 12 | VEEVA SYS INC | VEEV | 922475108 | $4.4M | 1.07% | 25,200 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 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 |