Little Harbor Advisors, LLC

In its 13F for Q4 2024 (holdings as of December 31, 2024, filed February 14, 2025), Little Harbor Advisors, LLC reported 7 stock positions worth $169.4 million. Its top holding was SS SPDR S&P 500 ETF Trust-US (SPY) at 72.0% of the portfolio, followed by Invesco QQQ Trust Series 1 (QQQ, 7.0%) and Invesco Senior Loan ETF (BKLN, 4.3%). Compared with Q3 2024, it added to 7. The biggest buy was Invesco QQQ Trust Series 1 (QQQ, shares +24%).

Most Recent 13F
Q2 2026
Location
MARBLEHEAD, MA
CIK
0001539639
Portfolio Value
$169.4M (Q4 2024)
SEC Filing
0001539639-25-000002 ↗ filed Feb 14, 2025

Holdings Value

0$50.0M$100.0M$150.0M$200.0M$250.0M Q1 2024: $149.3M Q1 2024 Q2 2024: $154.8M Q2 2024 Q3 2024: $160.9M Q3 2024 Q4 2024: $169.4M $169.4M Q4 2024 Q1 2025: $162.2M Q1 2025 Q2 2025: $168.5M Q2 2025 Q3 2025: $200.1M Q3 2025 Q4 2025: $193.9M Q4 2025 Q1 2026: $168.4M Q1 2026 Q2 2026: $203.4M Q2 2026

Holdings 7 stocks · $169.4M

SPY SS SPDR S&P 500 ETF Trust-US 72.00% 208,061 $121.9M Add +1.3%
QQQ Invesco QQQ Trust Series 1 7.05% 23,339 $11.9M Add +24.2%
BKLN Invesco Senior Loan ETF 4.30% 345,705 $7.3M Add +5.6%
SRLN SS Blackstone Sr Loan ETF 4.27% 173,388 $7.2M Add +5.5%
SJNK SS SPDR BB St Hi Yield ETF 4.26% 285,663 $7.2M Add +5.5%
FTSL First Trust Senior Loan ETF 4.13% 151,105 $7.0M Add +5.5%
SHYG iShares 0-5 YR HY Corp. Bond 4.00% 158,896 $6.8M Add +5.5%

Portfolio Sells Q3 2024 → Q4 2024

None this quarter.

Portfolio Buys Q3 2024 → Q4 2024

QQQ Invesco QQQ Trust Series 1 Add +24.2% 7.05% +1.35
FTSL First Trust Senior Loan ETF Add +5.5% 4.13% +0.04
BKLN Invesco Senior Loan ETF Add +5.6% 4.30% +0.02
SRLN SS Blackstone Sr Loan ETF Add +5.5% 4.27% +0.01
SHYG iShares 0-5 YR HY Corp. Bond Add +5.5% 4.00% −0.06
SJNK SS SPDR BB St Hi Yield ETF Add +5.5% 4.26% −0.07
SPY SS SPDR S&P 500 ETF Trust-US Add +1.3% 72.00% −1.28

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 6$203.4MSPY, QQQ, SJNK, HYG, JNK
Q1 2026 4$168.4MSPY, QQQ, SJNK, HYG
Q4 2025 8$193.9MSPY, QQQ, SPHY, USHY, SRLN
Q3 2025 8$200.1MSPY, QQQ, SPHY, USHY, SRLN
Q2 2025 7$168.5MSPY, QQQ, FTSL, SPHY, USHY
Q1 2025 7$162.2MSPY, QQQ, SJNK, BKLN, SRLN
Q4 2024 7$169.4MSPY, QQQ, BKLN, SRLN, SJNK
Q3 2024 7$160.9MSPY, QQQ, SJNK, BKLN, SRLN
Q2 2024 8$154.8MSPY, QQQ, BKLN, SRLN, SJNK
Q1 2024 8$149.3MSPY, QQQ, BKLN, SRLN, SJNK