Islander Capital Partners, L.P. — 13F Holdings & Portfolio
CIK 2081714 · latest 13F-HR filed 2026-08-14
Islander Capital Partners, L.P. manages $275.7M in 13F-reported U.S. long-equity assets across 13 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are SPOT (17.90%), AFRM (15.65%), SPHR (13.81%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 2 new positions, exited 4, added to 7, and trimmed 2.
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.
SAN FRANCISCO, CA 94108
$275.7M
Long-equity book
13
Distinct positions
2026-06-30
Filed 2026-08-14
+2 / −4 / ↑7 / ↓2
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- AFFIRM HLDGS INC$17.0M +65.2%
- SHOPIFY INC$14.0M +60.1%
- SPHERE ENTERTAINMENT CO$12.2M +47.4%
- LIBERTY MEDIA CORP DEL$4.4M +86.5%
- TRANSDIGM GROUP INC$3.7M +23.4%
Exited Positions
- ROBLOX CORP$25.9M
- TKO GROUP HOLDINGS INC$10.1M
- UBER TECHNOLOGIES INC$5.5M
- TAKE-TWO INTERACTIVE SOFTWAR$5.2M
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 | SPOTIFY TECHNOLOGY S A | SPOT | L8681T102 | $49.4M | 17.90% | 107,500 | SH |
| 2 | AFFIRM HLDGS INC | AFRM | 00827B106 | $43.1M | 15.65% | 529,097 | SH |
| 3 | SPHERE ENTERTAINMENT CO | SPHR | 55826T102 | $38.1M | 13.81% | 220,028 | SH |
| 4 | SHOPIFY INC | SHOP | 82509L107 | $37.2M | 13.50% | 326,000 | SH |
| 5 | KLAVIYO INC | KVYO | 49845K101 | $20.9M | 7.58% | 1,383,304 | SH |
| 6 | TRANSDIGM GROUP INC | TDG | 893641100 | $19.4M | 7.04% | 14,580 | SH |
| 7 | MADISON SQUARE GRDN SPRT COR | MSGS | 55825T103 | $17.7M | 6.43% | 44,122 | SH |
| 8 | NETFLIX INC. | NFLX | 64110L106 | $13.3M | 4.81% | 185,828 | SH |
| 9 | LIBERTY MEDIA CORP DEL | FWONK | 531229755 | $9.5M | 3.45% | 100,000 | SH |
| 10 | DOORDASH INC | DASH | 25809K105 | $8.3M | 3.01% | 45,000 | SH |
| 11 | AMAZON COM INC | AMZN | 023135106 | $7.6M | 2.77% | 32,000 | SH |
| 12 | RIVIAN AUTOMOTIVE INC | RIVN | 76954A103 | $6.3M | 2.29% | 363,733 | SH |
| 13 | MADISON SQUARE GARDEN ENTMT | MSGE | 558256103 | $4.9M | 1.76% | 60,000 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $275.7M | 13 | 0002081714-26-000006 |
| 2026-03-31 | 2026-05-15 | $307.9M | 17 | 0002081714-26-000005 |
| 2025-12-31 | 2026-02-13 | $221.9M | 14 | 0002081714-26-000002 |