Four Tree Island Advisory LLC holds a concentrated book of 24 stocks worth $303.2M as of Q2 2026 (disclosed Aug 7, 2026, a ~38-day 13F lag). This quarter they opened Nvidia Corp and trimmed Lam Research Corp. Their largest long position is Lam Research Corp at 33% of the equity 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.
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 (an exit at the prior quarter-end), no cost basis
Other tracked managers holding the same core names as Four Tree Island Advisory LLC
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| Ketron Financial | 3 / 24 | $140.2M |
| Trybe Capital Management LP | 2 / 24 | $238.3M |
| Kieckhefer Group LLC | 2 / 24 | $96.7M |
| Oaktop Capital Management II, L.P. | 2 / 24 | $920.8M |
| Blue Whale Capital LLP | 3 / 24 | $1.2B |
| Summa Corp. | 2 / 24 | $118.7M |
| Nelson Capital Management, LLC | 3 / 24 | $328.5M |
| Kane Investment Management, Inc. | 4 / 24 | $83.1M |
Ranked by the share of each fund's own book sitting in the names it shares with Four Tree Island Advisory LLC: 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 stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Lam Research Corp COM NEW | $98.7M | 227.8K | 32.6% | ▼−0.2% Reduced · −500 sh | |
| 2 | Applied Matls Inc COM | $39.3M | 54.3K | 12.9% | ▼−6.0% Reduced · −3K sh | |
| 3 | Mueller Inds Inc COM | $28.7M | 233.3K | 9.5% | ▲+2.1% Added · +5K sh | |
| 4 | Willis Lease Fin Corp COM | $24.7M | 108.2K | 8.2% | ▲+2.6% Added · +3K sh | |
| 5 | Jackson Financial Inc COM CL A | $24.3M | 237.5K | 8.0% | ▲+2.4% Added · +6K sh | |
| 6 | Garrett Motion Inc COM | $20.2M | 557.1K | 6.7% | ▲+2.5% Added · +13K sh | |
| 7 | Aercap Holdings NV SHS | $18.9M | 129.9K | 6.2% | ▲+25% Added · +26K sh | |
| 8 | Equitable Hldgs Inc COM | $16.6M | 379.0K | 5.5% | ▲+2.3% Added · +9K sh | |
| 9 | AllianceBernstein Hldg L P UNIT LTD PARTN | $7.3M | 207.6K | 2.4% | —Held | |
| 10 | Brighthouse Finl Inc COM | $3.8M | 59.8K | 1.2% | ▲+139% Added · +35K sh | |
| 11 | Ituran Location And Control SHS | $3.8M | 61.6K | 1.2% | —Held | |
| 12 | Bristol-Myers Squibb Co COM | $3.4M | 58.3K | 1.1% | —Held | |
| 13 | Nvidia Corporation COM | $3.2M | 16.2K | 1.1% | ▲New New position | |
| 14 | Voya Financial Inc COM | $3.2M | 34.9K | 1.0% | ▲+3.7% Added · +1K sh | |
| 15 | Doubledown Interactive Co LT ADS | $2.3M | 198.1K | 0.7% | ▲New New position | |
| 16 | Stellantis N.V SHS | $858K | 149.6K | 0.3% | ▼−0.5% Reduced · −682 sh | |
| 17 | Abbvie Inc COM | $852K | 3.4K | 0.3% | —Held | |
| 18 | Hope Bancorp Inc COM | $810K | 59.2K | 0.3% | —Held | |
| 19 | Nutrien Ltd COM | $688K | 10.9K | 0.2% | ▼−2.1% Reduced · −235 sh | |
| 20 | Lyondellbasell Industries NV SHS - A - | $526K | 10.0K | 0.2% | ▼−2.8% Reduced · −293 sh | |
| 21 | Devon Energy Corp New COM | $412K | 10.0K | 0.1% | —Held | |
| 22 | Trane Technologies PLC SHS | $337K | 687 | 0.1% | —Held | |
| 23 | Lockheed Martin Corp COM | $218K | 428 | 0.1% | ▼−13% Reduced · −63 sh | |
| 24 | Microchip Technology Inc. COM | $200K | 2.2K | 0.1% | ▲New New position |
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/2048142/holdings"
Use Arkolith to show Four Tree Island Advisory LLC's latest holdings, largest changes, and filing provenance.
As-of date vs the date the SEC received each filing
Holdings from SEC EDGAR 13F-HR filings, updated quarterly, filed up to 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.