Laura & John Arnold Foundation holds a concentrated book of 5 reported positions worth $330.5M as of Q2 2026 (disclosed Aug 14, 2026, a ~45-day 13F lag). This quarter they opened Blue Owl Technology Finance and trimmed ST SR Utl SL SE SPDR ETF-Usd. Their largest long position is Ishares Expanded Tech-Softwa at 41% of the reported non-option book.
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.
43% 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 (an exit at the prior quarter-end), no cost basis
Other tracked managers holding the same core names as Laura & John Arnold Foundation
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| Powszechne Towarzystwo Emerytalne Allianz Polska S.A. | 2 / 5 | $135.2M |
| Noked Israel Ltd | 2 / 5 | $364.2M |
| Nellore Capital Management LLC | 2 / 5 | $282.7M |
| Arrow Capital Management, LLC | 2 / 5 | $54.8M |
| Lionstone Capital Management LLC | 2 / 5 | $125.3M |
| Venator Management LLC | 2 / 5 | $134.4M |
| Park State Asset Management | 2 / 5 | $29.7M |
| Fremen Capital Management LP | 2 / 5 | $33.0M |
Ranked by the share of each fund's own book sitting in the names it shares with Laura & John Arnold Foundation: only funds sharing at least a tenth of the book qualify. Index giants, bank custody books and market makers are excluded. They hold everything, so their overlap says nothing.
Bars show each position's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Ishares TR EXPANDED TECH | $134.1M | 1.48M | 40.6% | —Held | |
| 2 | Alphabet Inc CAP STK CL C | $114.8M | 325.0K | 34.7% | —Held | |
| 3 | Select Sector SPDR TR ST STR UTIL ETF | $40.5M | 893.8K | 12.3% | ▼−79% Reduced · −3.3M sh | |
| 4 | Amazon Com Inc COM | $28.6M | 120.0K | 8.7% | —Held | |
| 5 | Blue Owl Technology Fin Corp COMMON STOCK | $12.4M | 1.20M | 3.8% | ▲New New position |
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.
As-of date vs the date the SEC received each filing
Reported 13F total per quarter. Raw filing totals can include option notional.
Holdings from SEC EDGAR 13F-HR filings, updated quarterly, filed up to 45 days after quarter-end. Public domain. Book totals and portfolio weights cover reported non-option positions, which can include notes and warrants. 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.