Four Tree Island Advisory LLC — 13F Holdings & Portfolio
CIK 2048142 · latest 13F-HR filed 2026-08-07
Four Tree Island Advisory LLC manages $303.2M in 13F-reported U.S. long-equity assets across 24 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are LRCX (32.55%), AMAT (12.95%), MLI (9.46%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 3 new positions and exited 2; 13 existing positions rose in reported value and 6 fell.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
Long-equity book
Distinct positions
Filed 2026-08-07
vs 2026-03-31
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
Portfolio map
Q2 26Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.
Sector mix
% of 13F valueSectors from each company's SIC code; funds and ETFs grouped separately.
Biggest buys and sells
Q1 26 → Q2 26Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.
13F assets and positions
4 quartersTotal reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.
Top positions over time
reported valueThe eight largest current positions, valued at each quarter end.
Concentration
top 10 = 93.2%Cumulative share of the portfolio held in the largest N positions.
As of the firm’s regulatory filing dated Mar 2, 2026.
SUITE 120
PORTSMOUTH, NH 03801
| Name | Title / Status | Ownership | Type |
|---|---|---|---|
| GREGG, ERIC, JAMES Control | OWNER/PRINCIPAL since Sep 2010 | 75% or more | Individual |
| PHILBRICK, JENNIFER, ANN Control | CHIEF COMPLIANCE OFFICER since Jan 2014 | Less than 5% | Individual |
Quarter-over-quarter changes
Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.
Top Adds (vs prior quarter)
- LAM RESEARCH CORP$49.9M +102.4%
- APPLIED MATLS INC$19.5M +98.9%
- GARRETT MOTION INC$10.3M +104.3%
- WILLIS LEASE FIN CORP$6.8M +37.9%
- AERCAP HOLDINGS NV$4.7M +32.7%
Top Trims
- ALLIANCEBERNSTEIN HLDG L P-$460.8K -5.9%
- LYONDELLBASELL INDUSTRIES NV-$302.5K -36.5%
- STELLANTIS N.V-$206.7K -19.4%
- NUTRIEN LTD-$154.4K -18.3%
- DEVON ENERGY CORP NEW-$89.7K -17.9%
New Positions
Show all 3 →Four Tree Island Advisory LLC Holdings (2026-06-30)
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | LAM RESEARCH CORP | LRCX | 512807306 | $98.7M | 32.55% | 227,800 | SH |
| 2 | APPLIED MATLS INC | AMAT | 038222105 | $39.3M | 12.95% | 54,300 | SH |
| 3 | MUELLER INDS INC | MLI | 624756102 | $28.7M | 9.46% | 233,271 | SH |
| 4 | WILLIS LEASE FIN CORP | WLFC | 970646105 | $24.7M | 8.16% | 108,160 | SH |
| 5 | JACKSON FINANCIAL INC | JXN | 46817M107 | $24.3M | 8.02% | 237,465 | SH |
| 6 | GARRETT MOTION INC | GTX | 366505105 | $20.2M | 6.66% | 557,101 | SH |
| 7 | AERCAP HOLDINGS NV | AER | N00985106 | $18.9M | 6.24% | 129,877 | SH |
| 8 | EQUITABLE HLDGS INC | EQH | 29452E101 | $16.6M | 5.48% | 379,043 | SH |
| 9 | ALLIANCEBERNSTEIN HLDG L P | AB | 01881G106 | $7.3M | 2.41% | 207,571 | SH |
| 10 | BRIGHTHOUSE FINL INC | BHF | 10922N103 | $3.8M | 1.25% | 59,804 | SH |
| 11 | ITURAN LOCATION AND CONTROL | ITRN | M6158M104 | $3.8M | 1.24% | 61,563 | SH |
| 12 | BRISTOL-MYERS SQUIBB CO | BMY | 110122108 | $3.4M | 1.11% | 58,337 | SH |
| 13 | NVIDIA CORPORATION | NVDA | 67066G104 | $3.2M | 1.07% | 16,186 | SH |
| 14 | VOYA FINANCIAL INC | VOYA | 929089100 | $3.2M | 1.04% | 34,916 | SH |
| 15 | DOUBLEDOWN INTERACTIVE CO LT | DDI | 25862B109 | $2.3M | 0.75% | 198,105 | SH |
| 16 | STELLANTIS N.V | STLA | N82405106 | $858.4K | 0.28% | 149,554 | SH |
| 17 | ABBVIE INC | ABBV | 00287Y109 | $851.5K | 0.28% | 3,384 | SH |
| 18 | HOPE BANCORP INC | HOPE | 43940T109 | $809.7K | 0.27% | 59,190 | SH |
| 19 | NUTRIEN LTD | NTR | 67077M108 | $687.9K | 0.23% | 10,928 | SH |
| 20 | LYONDELLBASELL INDUSTRIES NV | LYB | N53745100 | $526.1K | 0.17% | 9,992 | SH |
| 21 | DEVON ENERGY CORP NEW | DVN | 25179M103 | $411.8K | 0.14% | 9,965 | SH |
| 22 | TRANE TECHNOLOGIES PLC | TT | G8994E103 | $337.4K | 0.11% | 687 | SH |
| 23 | LOCKHEED MARTIN CORP | LMT | 539830109 | $218.0K | 0.07% | 428 | SH |
| 24 | MICROCHIP TECHNOLOGY INC. | MCHP | 595017104 | $200.1K | 0.07% | 2,194 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-07 | $303.2M | 24 | 0002048142-26-000003 |
| 2026-03-31 | 2026-05-11 | $198.2M | 23 | 0002048142-26-000002 |
| 2025-12-31 | 2026-01-30 | $181.2M | 23 | 0002048142-26-000001 |
| 2025-09-30 | 2025-11-07 | $156.9M | 22 | 0002048142-25-000003 |
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PORTSMOUTH, NH 03801