Laura & John Arnold Foundation holds a concentrated book of 4 stocks worth $429.6M as of Q1 2026 (disclosed May 15, 2026, a ~45-day 13F lag). This quarter they trimmed Alphabet Inc-CL C. Their largest long position is ST SR Utl SL SE SPDR ETF-Usd at 45% 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/2111628/holdings"
Use Arkolith to show Laura & John Arnold Foundation'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.
28% 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
No buys this quarter.
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Select Sector SPDR TR STATE STREET UTI | $192.9M | 4.20M | 44.9% | —Held | |
| 2 | Ishares TR EXPANDED TECH | $118.5M | 1.48M | 27.6% | —Held | |
| 3 | Alphabet Inc CAP STK CL C | $93.2M | 325.0K | 21.7% | ▼−50% Reduced · −327K sh | |
| 4 | Amazon Com Inc COM | $25.0M | 120.0K | 5.8% | —Held |
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.