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Seascape Capital Management

Location
PORTSMOUTH, NH
Portfolio Value
Small $417,342,845
Diversification
Diversified
Filing Date
Global Rank
#4,314 / 8,820 ▲ 151
Top Industry
Semiconductors 12.0%
Period ended 4 months ago
Filed Jul 21, 2026 · 3mo
26 quarters · since Mar 2020

Regulatory profile

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

Holder type
Unknown

Portfolio style

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

Style
Diversified active
Top 10 weight 48.0%, 26.3 effective positions, active share 74.5% against every 13F filer's combined book; it meets none of the index-like, systematic-like or concentrated tests
Turnover
Low turnover
14.6% over the last four quarters (under 30%)
Horizon
Long horizon
Value-weighted holding period 13.4 quarters (12+), a floor since 15.4% of the book was already held when coverage starts

Closest benchmark: every 13F filer's combined book, active share 74.5%; sector active share 26.5% against the combined 13F book's sector weights.

Over time 26 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

96 tracked positions · as of Jun 30, 2026 · Δ vs Mar 31, 2026
Top Position
11.1%
−2.0 pts
Top 5
34.8%
−2.7 pts
Top 10
48.0%
−1.9 pts
HHI
380
Sep 2023 → Jun 2026 · range 380 – 440
Diversified−59

Portfolio Trend

26 quarters · across all stocks

Sector Breakdown

As of Jun 30, 2026
Sector % Portfolio Value
Unclassified 38.4% $160,440,506
Technology 21.1% $87,888,927
Financial Services 8.4% $34,929,837
Industrials 8.0% $33,341,113
Consumer Cyclical 6.0% $25,242,027
Healthcare 5.6% $23,418,769
Communication Services 5.2% $21,754,209
Utilities 3.0% $12,351,523
Consumer Defensive 2.8% $11,746,894
Basic Materials 0.7% $3,120,350
Real Estate 0.7% $3,108,690

Last Quarter's Activity

Export CSV
Jun 30, 2026 vs Mar 31, 2026

Added To

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

Trimmed

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

New Positions

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

Sold Out

Positions the filer fully exited
4 positions
Ticker Shares Value Open
— 10,107 $3,551

Portfolio Positions

Export CSV View 13F filing
96 tracked positions · $417,342,845 total · filing declares 96 positions · $417,344 · as of Jun 30, 2026
Showing 1–50 of 96 positions by value · page 1 of 2
Ticker Company Shares Value (USD) % of Portfolio History

Showing the top 50 of 96 positions. Create a free account to see every position, past quarters, search, filters and CSV export.

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.