Vault-13

Islander Capital Partners, L.P.

SAN FRANCISCO, CA · CIK 2081714 · 13F filing filed 2026-08-14

SEC-registered investment adviser since 2026 · limited partnership

As an employer

$275.7m reported value +8.7% vs Q1 2026
13positions
93.2%in top 10
2 new 5 added 3 reduced 4 sold out vs Q1 2026

Holdings, Q2 2026

The small lines show how much was held over the last 4 quarters (adjusted for stock splits).

#SecurityTickerShares Value% of portfolioChangeShares change
1 SPOTIFY TECHNOLOGY S A SHS SPOT SPOT 107,500 $49.4m17.90% 17.90% AddedShares held: Q3 2025 —, Q4 2025 74.0k, Q1 2026 102.7k, Q2 2026 107.5k +4.8k +4,800 4.7%
2 AFFIRM HLDGS INC COM CL A AFRM AFRM 529,097 $43.1m15.65% 15.65% ReducedShares held: Q3 2025 —, Q4 2025 326.4k, Q1 2026 570.0k, Q2 2026 529.1k -40.9k -40,903 -7.2%
3 SPHERE ENTERTAINMENT CO CL A SPHR SPHR 220,028 $38.1m13.81% 13.81% UnchangedShares held: Q3 2025 —, Q4 2025 220.0k, Q1 2026 220.0k, Q2 2026 220.0k
4 SHOPIFY INC CL A SUB VTG SHS SHOP SHOP 326,000 $37.2m13.50% 13.50% AddedShares held: Q3 2025 —, Q4 2025 123.3k, Q1 2026 196.0k, Q2 2026 326.0k +130.0k +130,000 66.3%
5 KLAVIYO INC COM SER A KVYO KVYO 1,383,304 $20.9m7.58% 7.58% AddedShares held: Q3 2025 —, Q4 2025 621.7k, Q1 2026 1.2m, Q2 2026 1.4m +157.3k +157,304 12.8%
6 TRANSDIGM GROUP INC COM TDG TDG 14,580 $19.4m7.04% 7.04% AddedShares held: Q3 2025 —, Q4 2025 11.9k, Q1 2026 13.6k, Q2 2026 14.6k +1.0k +1,000 7.4%
7 MADISON SQUARE GRDN SPRT COR CL A MSGS MSGS 44,122 $17.7m6.43% 6.43% NewShares held: Q3 2025 —, Q4 2025 0, Q1 2026 0, Q2 2026 44.1k
8 NETFLIX INC COM NFLX NFLX 185,828 $13.3m4.81% 4.81% ReducedShares held: Q3 2025 —, Q4 2025 263.6k, Q1 2026 199.8k, Q2 2026 185.8k -14.0k -14,000 -7.0%
9 LIBERTY MEDIA CORP DEL COM LBTY ONE S C FWONK FWONK 100,000 $9.5m3.45% 3.45% AddedShares held: Q3 2025 —, Q4 2025 0, Q1 2026 60.0k, Q2 2026 100.0k +40.0k +40,000 66.7%
10 DOORDASH INC CL A DASH DASH 45,000 $8.3m3.01% 3.01% UnchangedShares held: Q3 2025 —, Q4 2025 0, Q1 2026 45.0k, Q2 2026 45.0k
11 AMAZON COM INC COM AMZN AMZN 32,000 $7.6m2.77% 2.77% UnchangedShares held: Q3 2025 —, Q4 2025 48.5k, Q1 2026 32.0k, Q2 2026 32.0k
12 RIVIAN AUTOMOTIVE INC COM CL A RIVN RIVN 363,733 $6.3m2.29% 2.29% NewShares held: Q3 2025 —, Q4 2025 0, Q1 2026 0, Q2 2026 363.7k
13 MADISON SQUARE GARDEN ENTMT COM CL A MSGE MSGE 60,000 $4.9m1.76% 1.76% ReducedShares held: Q3 2025 —, Q4 2025 54.4k, Q1 2026 80.0k, Q2 2026 60.0k -20.0k -20,000 -25.0%

Sold out since Q1 2026

SecurityTickerShares held beforeValue then
ROBLOX CORP RBLX RBLX 458,000 $25.9m458.0k shares
TKO GROUP HOLDINGS INC TKO TKO 50,000 $10.1m50.0k shares
UBER TECHNOLOGIES INC UBER UBER 77,000 $5.5m77.0k shares
TAKE-TWO INTERACTIVE SOFTWAR TTWO TTWO 26,163 $5.2m26.2k shares