Little Harbor Advisors, LLC
CIK
1539639
Location
MARBLEHEAD, MA
Portfolio Value
Small
$159,561,597
Diversification
Highly concentrated
Filing Date
Global Rank
#4,361
/ 8,232
▲ 209
3Y Alpha vs SPY
+0.2%
Period ended 2 months ago
Filed May 15, 2026 · 30d
18 quarters · since Dec 2021
Clone Performance
Jun 2023–Jun 2026 · vs SPYHypothetical growth of cloning every reported 13F position and rebalancing on each filing, indexed to the same start.
Cloned portfolio
+77.0%
SPY
+76.3%
Annualised alpha
+0.2%
Max drawdown
−19.1%
Estimate. 13F holdings are quarter-lagged and long-only, so the clone rebalances about 45 days after each period end — when the filing becomes public — and excludes options and short positions. Past performance does not predict future results.
Portfolio Concentration
2 positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025Top Position
87.8%
−1.0 pts
Top 5
100.0%
0.0 pts
Top 10
100.0%
0.0 pts
HHI
7,860
Highly concentrated−154
Portfolio Trend
18 quarters · across all stocks
Sector Breakdown
As of Mar 31, 2026| Sector | % Portfolio | Value |
|---|---|---|
| Unclassified | 100.0% | $159,561,597 |
Last Quarter's Activity
Export CSVTrimmed
Positions the filer reducedNo qualifying positions this quarter.
New Positions
Positions the filer opened this quarterNo qualifying positions this quarter.
Sold Out
Positions the filer fully exitedNo qualifying positions this quarter.
2 positions ·
$159,561,597 total
· as of Mar 31, 2026
| Ticker | Company | Type | Shares | Value (USD) | % of Portfolio | History |
|---|---|---|---|---|---|---|
| SPY |
Spdr S&P 500 ETF Trust
|
Added | 215,451 | $140,116,403 | 87.81% | |
| QQQ |
Invesco Qqq Trust, Series 1
|
Added | 33,690 | $19,445,194 | 12.19% |