Square Wave Capital, LLC holds a concentrated book of 12 stocks worth $413.4M as of Q1 2026 (disclosed May 15, 2026, a ~45-day 13F lag). This quarter they opened Ati Inc and trimmed Marriott International -CL A. Their largest long position is Marriott International -CL A at 17% of the equity book.
The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This fund page is the Follow view. The Build view lets your agent pull holdings, quarter changes, overlap, and source filings through API or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/2077145/holdings"
Use Arkolith to show Square Wave Capital, LLC's latest holdings, largest changes, and filing provenance.
Top-heavy: concentrated book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
100% mapped to company sectors
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices, no cost basis
Other tracked managers holding the same core names as Square Wave Capital, LLC
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| BlackRock, Inc. | 14 / 12 | $346.3B |
| STATE STREET CORP | 14 / 12 | $177.0B |
| FMR LLC | 14 / 12 | $166.9B |
| GEODE CAPITAL MANAGEMENT, LLC | 14 / 12 | $109.2B |
| MORGAN STANLEY | 14 / 12 | $84.4B |
| JPMORGAN CHASE & CO | 14 / 12 | $63.7B |
| PRICE T ROWE ASSOCIATES INC /MD/ | 14 / 12 | $57.2B |
| NORTHERN TRUST CORP | 14 / 12 | $46.0B |
Ranked by how many of Square Wave Capital, LLC's top 12 disclosed names each fund also holds: a cross-fund conviction signal from the latest 13F of every tracked manager.
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Marriott Intl Inc New CL A | $70.1M | 214.2K | 17.0% | ▼−2.2% Reduced · −5K sh | |
| 2 | Tradeweb MKTS Inc CL A | $58.2M | 494.8K | 14.1% | ▼−5.8% Reduced · −31K sh | |
| 3 | Amazon Com Inc COM | $54.9M | 263.4K | 13.3% | ▲+41% Added · +77K sh | |
| 4 | Ati Inc COM | $53.3M | 366.4K | 12.9% | ▲New New position | |
| 5 | ASML Hldg NV N Y REGISTRY SHS | $51.1M | 38.7K | 12.4% | ▲New New position | |
| 6 | Moodys Corp COM | $37.7M | 86.5K | 9.1% | ▼−25% Reduced · −29K sh | |
| 7 | Alphabet Inc CAP STK CL A | $29.6M | 102.8K | 7.2% | ▼−14% Reduced · −17K sh | |
| 8 | Mastec Inc COM | $19.5M | 60.6K | 4.7% | ▲New New position | |
| 9 | Carpenter Technology Corp COM | $18.1M | 46.0K | 4.4% | ▲New New position | |
| 10 | Micron Technology Inc COM | $8.9M | 26.3K | 2.1% | ▲New New position | |
| 11 | Fair Isaac Corp COM | $7.6M | 7.1K | 1.8% | ▼−83% Reduced · −35K sh | |
| 12 | Veeva Sys Inc CL A COM | $4.4M | 25.2K | 1.1% | ▼−90% Reduced · −227K sh |
As-of date vs the date the SEC received each filing
Holdings from SEC EDGAR 13F-HR filings, updated quarterly ~45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.