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Little Harbor Advisors, LLC

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13F filer, CIK 1539639, MARBLEHEAD, MA

Little Harbor Advisors, LLC reported $203,417,090 across 6 holdings for the quarter ended 2026-06-30, in a 13F-HR filed 2026-08-14.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001539639-26-000005

Period
2026-06-30
Reported value
$203M
Holdings
6
Top 10 weight
100%
New
2
Sold out
0

Largest buys vs the previous quarter

SecurityShares changeApprox. value
JNKnew+43,543$4.17M
HYLBnew+114,728$4.17M
SPYadded+1,183$883K
QQQadded+100$73.6K

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
SJNKreduced-8,965-$223K
HYGreduced-2,761-$220K

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, Q2 2026

Share positions as resolved from 13F-HR 0001539639-26-000005, largest first. % of portfolio is the value over $203,417,090, 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; 2024Q3: 205,493 shares; 2024Q4: 208,061 shares; 2025Q1: 206,852 shares; 2025Q2: 200,669 shares; 2025Q3: 225,289 shares; 2025Q4: 211,902 shares; 2026Q1: 215,451 shares; 2026Q2: 216,634 shares 216,634$162M79.53%+1,183Timeline
QQQINVESCO QQQ TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 18,787 shares; 2024Q4: 23,339 shares; 2025Q1: 24,143 shares; 2025Q2: 24,947 shares; 2025Q3: 25,778 shares; 2025Q4: 29,614 shares; 2026Q1: 33,690 shares; 2026Q2: 33,790 shares 33,790$24.9M12.23%+100Timeline
SJNKSPDR SERIES TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 270,633 shares; 2024Q4: 285,663 shares; 2025Q1: 285,663 shares; 2025Q2: 232,470 shares; 2025Q3: 225,135 shares; 2025Q4: 204,760 shares; 2026Q1: 179,495 shares; 2026Q2: 170,530 shares 170,530$4.24M2.09%-8,965Timeline
HYGISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 69,250 shares; 2025Q4: 63,000 shares; 2026Q1: 55,222 shares; 2026Q2: 52,461 shares 52,461$4.17M2.05%-2,761Timeline
JNKSPDR SERIES TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 43,543 shares 43,543$4.17M2.05%newTimeline
HYLBDBX ETF TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 114,728 shares 114,728$4.17M2.05%newTimeline

How Q2 2026 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 0001539639-26-000005 base2026-08-14acceptance time not in the bulk data set

Filings

Every filing of this filer: 13F reports and notices, the 13D and 13G it filed or is a reporting person of, and Forms 3, 4 and 5 it reported as an owner.

FilingSubjectFiledAcceptedIngested
13F-HR 0001539639-26-000005 Quarter ended 2026-06-302026-08-14acceptance time not in the bulk data set
13F-HR 0001539639-26-000004 Quarter ended 2026-03-312026-05-15acceptance time not in the bulk data set
13F-HR 0001539639-26-000002 Quarter ended 2025-12-312026-02-19acceptance time not in the bulk data set
13F-HR 0001539639-25-000009 Quarter ended 2025-09-302025-11-25acceptance time not in the bulk data set
13F-HR 0001539639-25-000006 Quarter ended 2025-06-302025-08-14acceptance time not in the bulk data set
13F-HR 0001539639-25-000004 Quarter ended 2025-03-312025-05-14acceptance time not in the bulk data set
13F-HR 0001539639-25-000002 Quarter ended 2024-12-312025-02-14acceptance time not in the bulk data set
13F-HR 0001539639-24-000007 Quarter ended 2024-09-302024-12-03acceptance time not in the bulk data set
13F-HR 0001539639-24-000005 Quarter ended 2024-06-302024-08-14acceptance time not in the bulk data set
13F-HR 0001539639-24-000003 Quarter ended 2024-03-312024-05-14acceptance time not in the bulk data set
13F-HR 0001539639-24-000002 Quarter ended 2023-12-312024-02-13acceptance time not in the bulk data set
13F-HR 0001539639-23-000008 Quarter ended 2023-09-302023-11-09acceptance time not in the bulk data set
13F-HR 0001539639-23-000006 Quarter ended 2023-06-302023-08-14acceptance time not in the bulk data set
13F-HR 0001539639-23-000004 Quarter ended 2023-03-312023-05-08acceptance time not in the bulk data set
13F-HR 0001539639-23-000002 Quarter ended 2022-12-312023-02-09acceptance time not in the bulk data set
13F-HR 0001539639-22-000010 Quarter ended 2022-09-302022-11-08acceptance time not in the bulk data set
13F-HR 0001539639-22-000007 Quarter ended 2022-06-302022-08-04acceptance time not in the bulk data set
13F-HR 0001539639-22-000005 Quarter ended 2022-03-312022-04-12acceptance time not in the bulk data set
13F-HR 0001539639-22-000003 Quarter ended 2021-12-312022-02-08acceptance time not in the bulk data set