Little Harbor Advisors, LLC 13F Filings Explorer

CIK: 0001539639

Concentrated strategyMomentum followerQuality / disciplined sizing

Total reported value

$168.4M

Reporting period: 2026-03-31 · Number of holdings: 4

Little Harbor Advisors, LLC disclosed 4 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $168.4M and a quarterly turnover rate of 15.4%.

Browse other institutions with $100M to $1B AUM Browse other institutions starting with "L"

Personality snowflake

Concentration: 100
Portfolio Stability: 15.42
Momentum/Contrarian: 100
Sector conviction: 0
Diversification: 8
Sizing Uniformity: 84.39

Sector classification currently covers about 0% of this portfolio's disclosed value; the remainder includes holdings (e.g. unmapped tickers, options, or other security types) not yet covered by our sector mapping.

Recent moves

Add SPY
+1.7%　-$4.4M
Add QQQ
+13.8%　$1.3M
Trim SJNK
-12.3%　-$701.0K
Trim HYG
-12.3%　-$687.0K
Sold out SPHY
Sold out USHY

Holdings Map

New buyAddUnchangedTrim

Top 10 holdings by weight

Full holdings list this quarter

#	Ticker	Issuer	Asset Subclass	Weight	Weight Change	Shares Change
1	SPY	Ss Spdr S&p 500 ETF Trust-us	ETF-Large Cap & Growth	83.19%	+8.66%	+1.67%
2	QQQ	Invesco Qqq Trust Series 1	ETF-Tech	11.54%	+2.16%	+13.76%
3	SJNK	Ss Spdr Bb St Hi Yield ETF	ETF-Other	2.66%	-0.01%	-12.34%
4	HYG	Ishr Ibx Usd Hiyld Cb Etf-ui	ETF-High Yield	2.61%	-0.01%	-12.35%

Portfolio Performance

Performance for Q3 2026

+3.1%

Performance Last 4 Quarters

+17%

Stdev: +11.8%
Beta: +0.9
Alpha: -0.4%
Max Drawdown: -6.5%
Annualized Perf: +16.7%
Batting Avg vs S&P: +30.6%
Sortino: +3.03
Stutzer: +0.41
Treynor: +0.18
Sterling: +1.05
Calmar: +2.57
Information Ratio: -1.38
Tracking Error: +1.7%
Stdev Down: +5.3%
Winning Months %: +63.9%
Losing Months %: +36.1%
Best 12 Months: +31%
Worst 12 Months: +6.9%
Efficiency Ratio: +0.57
Sharpe: +1.37
Stdev Sectors: —
Skewness: +0.29
Kurtosis: -0.19
Upside Potential: +4.74

Reported value over time

Sector allocation

Not enough sector-mapped data yet

Sector allocation over time

Quarterly history

Period	Holdings	Total value	Stability	Top holdings
2026-03-31	4	$168.4M	15	1SPY 2QQQ 3SJNK Top holdings2026-03-31 1.SPY 2.QQQ 3.SJNK 4.HYG
2025-12-31	8	$193.9M	6	1SPY 2QQQ 3SPHY Top holdings2025-12-31 1.SPY 2.QQQ 3.SPHY 4.USHY 5.SRLN 6.FTSL 7.SJNK 8.HYG
2025-09-30	8	$200.1M	40	1SPY 2QQQ 3SPHY Top holdings2025-09-30 1.SPY 2.QQQ 3.SPHY 4.USHY 5.SRLN 6.SJNK 7.FTSL 8.HYG
2025-06-30	7	$168.5M	0	1SPY 2QQQ 3FTSL Top holdings2025-06-30 1.SPY 2.QQQ 3.FTSL 4.SPHY 5.USHY 6.SRLN 7.SJNK
2025-03-31	7	$162.2M	0	1SPY 2QQQ 3SJNK Top holdings2025-03-31 1.SPY 2.QQQ 3.SJNK 4.BKLN 5.SRLN 6.FTSL 7.SHYG
2024-12-31	7	$169.4M	0	1SPY 2QQQ 3BKLN Top holdings2024-12-31 1.SPY 2.QQQ 3.BKLN 4.SRLN 5.SJNK 6.FTSL 7.SHYG
2024-09-30	7	$160.9M	0	1SPY 2QQQ 3SJNK Top holdings2024-09-30 1.SPY 2.QQQ 3.SJNK 4.BKLN 5.SRLN 6.FTSL 7.SHYG
2024-06-30	8	$154.8M	0	1SPY 2QQQ 3BKLN Top holdings2024-06-30 1.SPY 2.QQQ 3.BKLN 4.SRLN 5.SJNK 6.FTSL 7.SHYG 8.SVIX
2024-03-31	8	$149.3M	0	1SPY 2QQQ 3BKLN Top holdings2024-03-31 1.SPY 2.QQQ 3.BKLN 4.SRLN 5.SJNK 6.FTSL 7.SHYG 8.SVIX
2023-12-31	8	$138.9M	0	1SPY 2BKLN 3SRLN Top holdings2023-12-31 1.SPY 2.BKLN 3.SRLN 4.SJNK 5.FTSL 6.SHYG 7.QQQ 8.SVIX
2023-09-30	7	$123.7M	0	1SPY 2SRLN 3BKLN Top holdings2023-09-30 1.SPY 2.SRLN 3.BKLN 4.SJNK 5.VCSH 6.FTSL 7.QQQ
2023-06-30	8	$129.2M	0	1SPY 2BKLN 3SRLN Top holdings2023-06-30 1.SPY 2.BKLN 3.SRLN 4.SJNK 5.VCSH 6.QQQ 7.SVXY 8.SVIX
2023-03-31	3	$100.5M	0	1SPY 2UVXYN 3QQQ Top holdings2023-03-31 1.SPY 2.UVXYN 3.QQQ
2022-12-31	3	$123.0M	0	1SPY274347Y3QQQ Top holdings2022-12-31 1.SPY 2.74347Y 3.QQQ
2022-09-30	3	$121.9M	0	1SPY 2UVXYN 3QQQ Top holdings2022-09-30 1.SPY 2.UVXYN 3.QQQ
2022-06-30	2	$132.5M	0	1SPY 2QQQ Top holdings2022-06-30 1.SPY 2.QQQ
2022-03-31	1	$172.8M	0	1SPY Top holdings2022-03-31 1.SPY
2021-12-31	1	$192.3M	0	1SPY Top holdings2021-12-31 1.SPY

Holding changes this quarter

Little Harbor Advisors, LLC's most significant position changes for 2026-03-31: Sold out: Ss Spdr P High Yield ETF (SPHY); Sold out: Ishares Broad Usd High Yield (USHY); Sold out: Ss Blackstone Sr Loan ETF (SRLN); Sold out: First Trust Senior Loan ETF (FTSL); Add: Ss Spdr S&p 500 ETF Trust-us (SPY) — shares +1.67%.

Position changes disclosed by Little Harbor Advisors, LLC for the quarter ending 2026-03-31, including ticker, issuer, weight change, shares change, and action
#	Ticker	Issuer	Weight Change	Shares Change	Action
1	SPY	Ss Spdr S&p 500 ETF Trust-us	+8.7%	+1.67%	Add
2	QQQ	Invesco Qqq Trust Series 1	+2.2%	+13.76%	Add
3	SJNK	Ss Spdr Bb St Hi Yield ETF	0%	-12.34%	Trim
4	HYG	Ishr Ibx Usd Hiyld Cb Etf-ui	0%	-12.35%	Trim
5	SPHY	Ss Spdr P High Yield ETF	—	EXIT	Sold out
6	USHY	Ishares Broad Usd High Yield	—	EXIT	Sold out
7	SRLN	Ss Blackstone Sr Loan ETF	—	EXIT	Sold out
8	FTSL	First Trust Senior Loan ETF	—	EXIT	Sold out

Filing History

Period	Filed	Type	EDGAR
2026-03-31	2026-05-15	13F-HR	View on EDGAR
2025-12-31	2026-02-19	13F-HR	View on EDGAR
2025-09-30	2025-11-25	13F-HR	View on EDGAR
2025-06-30	2025-08-14	13F-HR	View on EDGAR
2025-03-31	2025-05-14	13F-HR	View on EDGAR
2024-12-31	2025-02-14	13F-HR	View on EDGAR
2024-09-30	2024-12-03	13F-HR	View on EDGAR
2024-06-30	2024-08-14	13F-HR	View on EDGAR
2024-03-31	2024-05-14	13F-HR	View on EDGAR
2023-12-31	2024-02-13	13F-HR	View on EDGAR
2023-09-30	2023-11-09	13F-HR	View on EDGAR
2023-06-30	2023-08-14	13F-HR	View on EDGAR
2023-03-31	2023-05-08	13F-HR	View on EDGAR
2022-12-31	2023-02-09	13F-HR	View on EDGAR
2022-09-30	2022-11-08	13F-HR	View on EDGAR
2022-06-30	2022-08-04	13F-HR	View on EDGAR
2022-03-31	2022-04-12	13F-HR	View on EDGAR
2021-12-31	2022-02-08	13F-HR	View on EDGAR

FAQ

What is Little Harbor Advisors, LLC and what type of investor is it?

Little Harbor Advisors, LLC is a investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2026-03-31), the firm manages a tracked equity portfolio valued at approximately $168.4M, spread across 4 disclosed positions.

What are Little Harbor Advisors, LLC's largest equity positions?

Based on the latest 13F filing, Little Harbor Advisors, LLC's top holdings by market value are: 1. Ss Spdr S&p 500 ETF Trust-us (SPY) — $140.1M (83.2%) 2. Invesco Qqq Trust Series 1 (QQQ) — $19.4M (11.5%) 3. Ss Spdr Bb St Hi Yield ETF (SJNK) — $4.5M (2.7%) 4. Ishr Ibx Usd Hiyld Cb Etf-ui (HYG) — $4.4M (2.6%)

What changes did Little Harbor Advisors, LLC make in its most recent portfolio filing?

In the latest reported quarter, Little Harbor Advisors, LLC made 8 notable position adjustments: 0 new positions were initiated, 2 existing holdings were added to, 2 positions were partially reduced, and 4 were completely exited. The largest of these moves: Sold out: Ss Spdr P High Yield ETF (SPHY); Sold out: Ishares Broad Usd High Yield (USHY); Sold out: Ss Blackstone Sr Loan ETF (SRLN); Sold out: First Trust Senior Loan ETF (FTSL); Add: Ss Spdr S&p 500 ETF Trust-us (SPY) — shares +1.67%

What sectors does Little Harbor Advisors, LLC focus on?

Sector breakdown data is not yet available for Little Harbor Advisors, LLC. Check back after the next 13F processing cycle.

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Little Harbor Advisors, LLC 13F Filings Explorer

CIK: 0001539639

Concentrated strategyMomentum followerQuality / disciplined sizing

Total reported value

$168.4M

Reporting period: 2026-03-31 · Number of holdings: 4

Little Harbor Advisors, LLC disclosed 4 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $168.4M and a quarterly turnover rate of 15.4%.

Browse other institutions with $100M to $1B AUM Browse other institutions starting with "L"

Personality snowflake

Concentration: 100
Portfolio Stability: 15.42
Momentum/Contrarian: 100
Sector conviction: 0
Diversification: 8
Sizing Uniformity: 84.39

Recent moves

Add SPY
+1.7%　-$4.4M
Add QQQ
+13.8%　$1.3M
Trim SJNK
-12.3%　-$701.0K
Trim HYG
-12.3%　-$687.0K
Sold out SPHY
Sold out USHY

Holdings Map

New buyAddUnchangedTrim

Top 10 holdings by weight

Full holdings list this quarter

#	Ticker	Issuer	Asset Subclass	Weight	Weight Change	Shares Change
1	SPY	Ss Spdr S&p 500 ETF Trust-us	ETF-Large Cap & Growth	83.19%	+8.66%	+1.67%
2	QQQ	Invesco Qqq Trust Series 1	ETF-Tech	11.54%	+2.16%	+13.76%
3	SJNK	Ss Spdr Bb St Hi Yield ETF	ETF-Other	2.66%	-0.01%	-12.34%
4	HYG	Ishr Ibx Usd Hiyld Cb Etf-ui	ETF-High Yield	2.61%	-0.01%	-12.35%

Portfolio Performance

Performance for Q3 2026

+3.1%

Performance Last 4 Quarters

+17%

Stdev: +11.8%
Beta: +0.9
Alpha: -0.4%
Max Drawdown: -6.5%
Annualized Perf: +16.7%
Batting Avg vs S&P: +30.6%
Sortino: +3.03
Stutzer: +0.41
Treynor: +0.18
Sterling: +1.05
Calmar: +2.57
Information Ratio: -1.38
Tracking Error: +1.7%
Stdev Down: +5.3%
Winning Months %: +63.9%
Losing Months %: +36.1%
Best 12 Months: +31%
Worst 12 Months: +6.9%
Efficiency Ratio: +0.57
Sharpe: +1.37
Stdev Sectors: —
Skewness: +0.29
Kurtosis: -0.19
Upside Potential: +4.74

Reported value over time

Sector allocation

Not enough sector-mapped data yet

Sector allocation over time

Quarterly history

Period	Holdings	Total value	Stability	Top holdings
2026-03-31	4	$168.4M	15	1SPY 2QQQ 3SJNK Top holdings2026-03-31 1.SPY 2.QQQ 3.SJNK 4.HYG
2025-12-31	8	$193.9M	6	1SPY 2QQQ 3SPHY Top holdings2025-12-31 1.SPY 2.QQQ 3.SPHY 4.USHY 5.SRLN 6.FTSL 7.SJNK 8.HYG
2025-09-30	8	$200.1M	40	1SPY 2QQQ 3SPHY Top holdings2025-09-30 1.SPY 2.QQQ 3.SPHY 4.USHY 5.SRLN 6.SJNK 7.FTSL 8.HYG
2025-06-30	7	$168.5M	0	1SPY 2QQQ 3FTSL Top holdings2025-06-30 1.SPY 2.QQQ 3.FTSL 4.SPHY 5.USHY 6.SRLN 7.SJNK
2025-03-31	7	$162.2M	0	1SPY 2QQQ 3SJNK Top holdings2025-03-31 1.SPY 2.QQQ 3.SJNK 4.BKLN 5.SRLN 6.FTSL 7.SHYG
2024-12-31	7	$169.4M	0	1SPY 2QQQ 3BKLN Top holdings2024-12-31 1.SPY 2.QQQ 3.BKLN 4.SRLN 5.SJNK 6.FTSL 7.SHYG
2024-09-30	7	$160.9M	0	1SPY 2QQQ 3SJNK Top holdings2024-09-30 1.SPY 2.QQQ 3.SJNK 4.BKLN 5.SRLN 6.FTSL 7.SHYG
2024-06-30	8	$154.8M	0	1SPY 2QQQ 3BKLN Top holdings2024-06-30 1.SPY 2.QQQ 3.BKLN 4.SRLN 5.SJNK 6.FTSL 7.SHYG 8.SVIX
2024-03-31	8	$149.3M	0	1SPY 2QQQ 3BKLN Top holdings2024-03-31 1.SPY 2.QQQ 3.BKLN 4.SRLN 5.SJNK 6.FTSL 7.SHYG 8.SVIX
2023-12-31	8	$138.9M	0	1SPY 2BKLN 3SRLN Top holdings2023-12-31 1.SPY 2.BKLN 3.SRLN 4.SJNK 5.FTSL 6.SHYG 7.QQQ 8.SVIX
2023-09-30	7	$123.7M	0	1SPY 2SRLN 3BKLN Top holdings2023-09-30 1.SPY 2.SRLN 3.BKLN 4.SJNK 5.VCSH 6.FTSL 7.QQQ
2023-06-30	8	$129.2M	0	1SPY 2BKLN 3SRLN Top holdings2023-06-30 1.SPY 2.BKLN 3.SRLN 4.SJNK 5.VCSH 6.QQQ 7.SVXY 8.SVIX
2023-03-31	3	$100.5M	0	1SPY 2UVXYN 3QQQ Top holdings2023-03-31 1.SPY 2.UVXYN 3.QQQ
2022-12-31	3	$123.0M	0	1SPY274347Y3QQQ Top holdings2022-12-31 1.SPY 2.74347Y 3.QQQ
2022-09-30	3	$121.9M	0	1SPY 2UVXYN 3QQQ Top holdings2022-09-30 1.SPY 2.UVXYN 3.QQQ
2022-06-30	2	$132.5M	0	1SPY 2QQQ Top holdings2022-06-30 1.SPY 2.QQQ
2022-03-31	1	$172.8M	0	1SPY Top holdings2022-03-31 1.SPY
2021-12-31	1	$192.3M	0	1SPY Top holdings2021-12-31 1.SPY

Holding changes this quarter

Position changes disclosed by Little Harbor Advisors, LLC for the quarter ending 2026-03-31, including ticker, issuer, weight change, shares change, and action
#	Ticker	Issuer	Weight Change	Shares Change	Action
1	SPY	Ss Spdr S&p 500 ETF Trust-us	+8.7%	+1.67%	Add
2	QQQ	Invesco Qqq Trust Series 1	+2.2%	+13.76%	Add
3	SJNK	Ss Spdr Bb St Hi Yield ETF	0%	-12.34%	Trim
4	HYG	Ishr Ibx Usd Hiyld Cb Etf-ui	0%	-12.35%	Trim
5	SPHY	Ss Spdr P High Yield ETF	—	EXIT	Sold out
6	USHY	Ishares Broad Usd High Yield	—	EXIT	Sold out
7	SRLN	Ss Blackstone Sr Loan ETF	—	EXIT	Sold out
8	FTSL	First Trust Senior Loan ETF	—	EXIT	Sold out

Filing History

Period	Filed	Type	EDGAR
2026-03-31	2026-05-15	13F-HR	View on EDGAR
2025-12-31	2026-02-19	13F-HR	View on EDGAR
2025-09-30	2025-11-25	13F-HR	View on EDGAR
2025-06-30	2025-08-14	13F-HR	View on EDGAR
2025-03-31	2025-05-14	13F-HR	View on EDGAR
2024-12-31	2025-02-14	13F-HR	View on EDGAR
2024-09-30	2024-12-03	13F-HR	View on EDGAR
2024-06-30	2024-08-14	13F-HR	View on EDGAR
2024-03-31	2024-05-14	13F-HR	View on EDGAR
2023-12-31	2024-02-13	13F-HR	View on EDGAR
2023-09-30	2023-11-09	13F-HR	View on EDGAR
2023-06-30	2023-08-14	13F-HR	View on EDGAR
2023-03-31	2023-05-08	13F-HR	View on EDGAR
2022-12-31	2023-02-09	13F-HR	View on EDGAR
2022-09-30	2022-11-08	13F-HR	View on EDGAR
2022-06-30	2022-08-04	13F-HR	View on EDGAR
2022-03-31	2022-04-12	13F-HR	View on EDGAR
2021-12-31	2022-02-08	13F-HR	View on EDGAR