Islander Capital Partners, L.P.
Long book
$253.7M
Q1 2026
Positions
15
Top-10 weight
89%
concentration
Last quarter
+13.6%
SPY +14.8%
Turnover
19%
of book per quarter
Strategy in plain words
auto-generated from filingsIslander Capital Partners, L.P. is a concentrated fundamental stock-picker, running a $253.7M US long book across 15 positions.
The portfolio is extremely concentrated — the top 10 positions are almost the whole book. Turnover is modest: positions are typically held for years. Current anchor positions: SPOTIFY TECHNOLOGY SA, AFFIRM HOLDINGS INC, ROBLOX CORP -CLASS A, SPHERE ENTERTAINMENT CO, KLAVIYO INC-A.
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 2025
-16.7%
Q1 2026
+13.6%
Sector allocation
Technology 31%
Services media 28%
Communications 22%
Financials 10%
Industrials 6%
Consumer discretionary 3%
Long book by quarter
What does Islander Capital own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| SPOT SPOTIFY TECHNOLOGY SA | Communications | 102.7K | $49.8M | 19.6% | +38.8% |
| AFRM AFFIRM HOLDINGS INC | Financials | 570.0K | $26.1M | 10.3% | +74.7% |
| RBLX ROBLOX CORP -CLASS A | Technology | 458.0K | $25.9M | 10.2% | +84.8% |
| SPHR SPHERE ENTERTAINMENT CO | Services media | 220.0K | $25.8M | 10.2% | Held |
| KVYO KLAVIYO INC-A | Technology | 1.2M | $23.9M | 9.4% | +97.2% |
| SHOP SHOPIFY INC - CLASS A | Technology | 196.0K | $23.2M | 9.2% | +59.0% |
| NFLX NETFLIX INC | Services media | 199.8K | $19.2M | 7.6% | -24.2% |
| TDG TRANSDIGM GROUP INC | Industrials | 13.6K | $15.7M | 6.2% | +13.6% |
| TKO TKO GROUP HOLDINGS INC | Services media | 50.0K | $10.1M | 4.0% | +172.1% |
| DASH DOORDASH INC - A | Services media | 45.0K | $6.8M | 2.7% | New |
| AMZN AMAZON.COM INC | Consumer discretionary | 32.0K | $6.7M | 2.6% | -34.0% |
| UBER UBER TECHNOLOGIES INC | Services media | 77.0K | $5.5M | 2.2% | +60.9% |
| TTWO TAKE-TWO INTERACTIVE SOFTWRE | Technology | 26.2K | $5.2M | 2.0% | Held |
| FWONK LIBERTY MEDIA CORP-FORMULA-C | Communications | 60.0K | $5.1M | 2.0% | New |
| MSGE MADISON SQUARE GARDEN ENTERT | Services media | 80.0K | $4.7M | 1.9% | +47.2% |
13F filing history
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