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Islander Capital Partners, L.P.

Registered adviser
Location
SAN FRANCISCO, CA
Portfolio Value
Small $275,714,492
Diversification
Diversified
Filing Date
Global Rank
#5,444 / 8,814 ▼ 870
Top Industry
Entertainment 30.3%
3Y Alpha vs SPY
-3.2%
Period ended 4 months ago
Filed Aug 14, 2026 · 2mo
3 quarters · since Dec 2025

Regulatory profile

From Form ADV, the SEC filer profile, 13D/13G type codes and N-CEN, never from the name.

Holder type
Registered adviser
Form ADV roster, Oct 1, 2026
Form ADV adviser
CRD 326856
Roster of Oct 1, 2026
Regulatory AUM
$344,970,000
Main clients
Pooled investment vehicles (100% of AUM)
Private funds
1 fund · Hedge funds
Focus by fund count, roster of Oct 1, 2026
$344,970,000 gross assets
LEI
254900XSNZ2DZ3EXMM46
Private funds on Schedule D 7.B.(1)
As filed Feb 12, 2024; SEC's bulk Form ADV archive ends with 2024 filings.
$16,565,000 gross assets in 1 fund Hedge funds $16,565,000 (1)
Form ADV history
Monthly rosters from Dec 2019; each row is a run with the same figures, newest first.
Rosters Regulatory AUM Main clients
Oct 2026 $344,970,000 Pooled investment vehicles (100%)
Apr 2026 to Jun 2026 — —
Apr 2025 to Mar 2026 — —
Jul 2023 to Feb 2024 — —

Portfolio style

Measured from the filed 13F common-share book for Jun 30, 2026, never from the firm's own description.

Style
Concentrated
The top 10 positions are 93.2% of the book (60%+)
Turnover
Turnover unknown
It needs four straight quarters of measured turnover
Horizon
Short horizon
Value-weighted holding period 2.8 quarters (under 4)

Closest benchmark: the Nasdaq-100 as of 2026-06-30, active share 95.0%; sector active share 45.3% against the combined 13F book's sector weights.

Over time 3 measured quarters

How the bands are measured

Style bands measure the filed 13F common-share book each closed quarter, tested in this order. Unknown: under $10,000,000 of valued equity or 5 stocks. Index-like (100+ stocks): active share of 20% or less against the closest benchmark, which is the S&P 500, S&P MidCap 400, S&P SmallCap 600, Russell 1000, Russell 2000, Nasdaq-100 or Dow Jones Industrial Average (weighted by an index-tracking fund's reported holdings or the index's constituents nearest the quarter end, over the names resolved to companies, and only when those are 90%+ of its weight) or every 13F filer's combined book, or index series holding 80%+ of the registered fund assets it advises (N-CEN) and equal to 50%+ of its book. Systematic-like: 500+ stocks, 100%+ annual turnover and a top 10 weight of 25% or less. Concentrated: a top 10 weight of 60%+ or 12 or fewer effective positions. Diversified active: none of these. Turnover is the smaller of buys and sells over average equity value, summed over four quarters: low under 30%, high 100%+. Horizon is the value-weighted number of quarters each position has been held: short under 4, long 12+.

Clone Performance

Build a hypothetical price-return history from this filer's public 13F holdings.

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Portfolio Concentration

13 tracked positions · as of Jun 30, 2026 · Δ vs Mar 31, 2026
Top Position
17.9%
−1.3 pts
Top 5
68.4%
+7.2 pts
Top 10
93.2%
+3.6 pts
HHI
1,147
Dec 2025 → Jun 2026 · range 1,038 – 1,147
Diversified+108

Portfolio Trend

3 quarters · across all stocks

Sector Breakdown

As of Jun 30, 2026
Sector % Portfolio Value
Communication Services 48.2% $132,793,422
Technology 21.1% $58,110,570
Financial Services 15.6% $43,147,860
Consumer Cyclical 8.1% $22,241,497
Industrials 7.0% $19,421,143

Last Quarter's Activity

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Jun 30, 2026 vs Mar 31, 2026

Added To

Positions the filer increased
5 positions
Ticker Δ Shares Shares Value Open

Trimmed

Positions the filer reduced
3 positions
Ticker Δ Shares Shares Value Open

New Positions

Positions the filer opened this quarter
2 positions
Ticker Shares Value Open

Sold Out

Positions the filer fully exited
4 positions
Ticker Shares Value Open

Portfolio Positions

Export CSV View 13F filing
13 tracked positions · $275,714,492 total · filing declares 13 positions · $275,714,494 · as of Jun 30, 2026
Ticker Company Shares Value (USD) % of Portfolio History

Covers the securities this platform tracks: U.S.-listed common stock and the put/call positions reported on it. A 13F can also report security types outside that coverage — preferred shares, bonds, warrants, untracked share classes — so the filing's own declared total can exceed the figures above. The source filing is linked at the top of this table.