Four Tree Island Advisory LLC
Long book
$198.2M
Q1 2026
Positions
23
Top-10 weight
94%
concentration
Last quarter
+26.7%
SPY +14.8%
Turnover
8%
of book per quarter
Strategy in plain words
auto-generated from filingsFour Tree Island Advisory LLC is a concentrated fundamental stock-picker, running a $198.2M US long book across 23 positions.
The portfolio is extremely concentrated — the top 10 positions are almost the whole book. The book barely moves quarter to quarter — a patient, low-turnover holder. Current anchor positions: LAM RESEARCH CORP, MUELLER INDUSTRIES INC, JACKSON FINANCIAL INC-A, APPLIED MATERIALS INC, WILLIS LEASE FINANCE CORP.
Over the last 6 quarters its long book ran on average 6.6pp per quarter ahead of the S&P 500, beating the index in 5 of 6 quarters. We rate its filings highest-signal: new buys here are worth attention.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q4 2024
-1.9%
Q1 2025
+9.7%
Q2 2025
+12.0%
Q3 2025
+13.1%
Q4 2025
+7.8%
Q1 2026
+26.7%
Sector allocation
Industrials 43%
Financials 26%
Consumer discretionary 11%
Technology 10%
Services media 7%
Healthcare 2%
Other 1%
Energy 0%
Long book by quarter
What does Four Tree own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| LRCX LAM RESEARCH CORP | Industrials | 228.3K | $48.8M | 24.6% | -0.3% |
| MLI MUELLER INDUSTRIES INC | Industrials | 228.4K | $25.3M | 12.8% | +2.5% |
| JXN JACKSON FINANCIAL INC-A | Financials | 231.8K | $24.5M | 12.4% | +2.5% |
| AMAT APPLIED MATERIALS INC | Technology | 57.8K | $19.7M | 10.0% | +3.5% |
| WLFC WILLIS LEASE FINANCE CORP | Consumer discretionary | 105.4K | $17.9M | 9.1% | +3.1% |
| AER AERCAP HOLDINGS NV | Services media | 104.0K | $14.3M | 7.2% | -5.7% |
| EQH EQUITABLE HOLDINGS INC | Financials | 370.5K | $13.7M | 6.9% | +2.5% |
| GTX GARRETT MOTION INC | Industrials | 543.7K | $9.9M | 5.0% | +3.1% |
| AB ALLIANCEBERNSTEIN HOLDING LP | Financials | 207.6K | $7.8M | 3.9% | Held |
| BMY BRISTOL-MYERS SQUIBB CO | Healthcare | 58.3K | $3.5M | 1.8% | Held |
| ITRN ITURAN LOCATION AND CONTROL | Consumer discretionary | 61.6K | $3.0M | 1.5% | +1.2% |
| VOYA VOYA FINANCIAL INC | Financials | 33.7K | $2.3M | 1.2% | +3.5% |
| BHF BRIGHTHOUSE FINANCIAL INC | Financials | 25.0K | $1.5M | 0.8% | +12.2% |
| STLA STELLANTIS NV | Industrials | 150.2K | $1.1M | 0.5% | Held |
| NTR NUTRIEN LTD | Other | 11.2K | $842K | 0.4% | Held |
| LYB LYONDELLBASELL INDU-CL A | Other | 10.3K | $829K | 0.4% | Held |
| ABBV ABBVIE INC | Healthcare | 3.4K | $736K | 0.4% | +1.8% |
| HOPE HOPE BANCORP INC | Financials | 59.2K | $661K | 0.3% | Held |
| NBBK NB BANCORP INC | Financials | 25.0K | $527K | 0.3% | +16.6% |
| DVN DEVON ENERGY CORP | Energy | 10.0K | $501K | 0.3% | Held |
| LMT LOCKHEED MARTIN CORP | Industrials | 491 | $297K | 0.1% | Held |
| TT TRANE TECHNOLOGIES PLC | Technology | 687 | $286K | 0.1% | Held |
| GT GOODYEAR TIRE & RUBBER CO | Other | 17.5K | $116K | 0.1% | New |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 11, 2026 | 23 | $198.2M | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Jan 30, 2026 | 23 | $181.2M | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 7, 2025 | 22 | $156.9M | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 13, 2025 | 20 | $142.1M | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 6, 2025 | 21 | $142.4M | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Jan 29, 2025 | 23 | $144.8M | canonical | SEC ↗ |
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