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Little Harbor Advisors, LLC

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13F filer, CIK 1539639, MARBLEHEAD, MA

Little Harbor Advisors, LLC reported $193,869,000 across 8 holdings for the quarter ended 2025-12-31, in a 13F-HR filed 2026-02-19.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001539639-26-000002

Period
2025-12-31
Reported value
$194M
Holdings
8
Top 10 weight
100%
New
0
Sold out
0

Largest buys vs the previous quarter

SecurityShares changeApprox. value
QQQadded+3,836$2.36M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
SPYreduced-13,387-$9.13M
SPHYreduced-22,150-$524K
USHYreduced-13,950-$522K
SRLNreduced-12,575-$519K
FTSLreduced-11,275-$517K

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q4 2025

Share positions as resolved from 13F-HR 0001539639-26-000002, largest first. % of portfolio is the value over $193,869,000, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
SPYSTATE STR SPDR S&P 500 ETF TQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 205,493 shares; 2024Q4: 208,061 shares; 2025Q1: 206,852 shares; 2025Q2: 200,669 shares; 2025Q3: 225,289 shares; 2025Q4: 211,902 shares 211,902$144M74.53%-13,387Timeline
QQQINVESCO QQQ TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 18,787 shares; 2024Q4: 23,339 shares; 2025Q1: 24,143 shares; 2025Q2: 24,947 shares; 2025Q3: 25,778 shares; 2025Q4: 29,614 shares 29,614$18.2M9.38%+3,836Timeline
SPHYSPDR SERIES TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 252,500 shares; 2025Q3: 244,536 shares; 2025Q4: 222,386 shares 222,386$5.26M2.72%-22,150Timeline
USHYISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 159,100 shares; 2025Q3: 154,078 shares; 2025Q4: 140,128 shares 140,128$5.24M2.7%-13,950Timeline
SRLNSSGA ACTIVE ETF TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 164,268 shares; 2024Q4: 173,388 shares; 2025Q1: 173,388 shares; 2025Q2: 143,388 shares; 2025Q3: 138,861 shares; 2025Q4: 126,286 shares 126,286$5.21M2.69%-12,575Timeline
FTSLFIRST TR EXCHANGE-TRADED FDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 143,155 shares; 2024Q4: 151,105 shares; 2025Q1: 151,105 shares; 2025Q2: 151,105 shares; 2025Q3: 124,536 shares; 2025Q4: 113,261 shares 113,261$5.2M2.68%-11,275Timeline
SJNKSPDR SERIES TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 270,633 shares; 2024Q4: 285,663 shares; 2025Q1: 285,663 shares; 2025Q2: 232,470 shares; 2025Q3: 225,135 shares; 2025Q4: 204,760 shares 204,760$5.18M2.67%-20,375Timeline
HYGISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 69,250 shares; 2025Q4: 63,000 shares 63,000$5.08M2.62%-6,250Timeline

How Q4 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001539639-26-000002 base2026-02-19acceptance time not in the bulk data set