HARBOR INVESTMENT ADVISORY, LLC

CIK 0001468792 · Q1 2026

13F Equity AUM

$1.3B

-4.6% QoQ

Positions

1,160

-13 QoQ

AUM Rank

#2,418

Top 19%

Skill Alpha (FF)

-0.6%/yr^ns

No Clear Edge

Rank #3,186 · Top 39%

vs S&P -3.2%/yr (unadj.)

Quarters Tracked

~6 years

Portfolio Concentration

Top 5: 30.6%Top 10: 38.3%Top 20: 48.7%

MAR13.7%

AAPL6.5%

GOOGL3.9%

AMZN3.8%

MSFT2.8%

BRK/B2.4%

GOOG1.5%

JPM1.3%

IVV1.3%

GLDM1.2%

Others (1150)61.7%

HHI (Herfindahl-Hirschman Index) measures portfolio concentration. Low (<1500) = diversified, Moderate (1500-2500), High (>2500) = concentrated bets.

Sector Allocation

Financial Services44.3%

Consumer Cyclical19.9%

Technology14.1%

Communication Services6.5%

Healthcare4.6%

Industrials3.2%

Other7.5%

Portfolio weight by GICS sector based on latest 13F filing. Sectors below 2% are grouped as “Other.”

Position Sizing

Positions: 1160Median: 0.00%Avg: 0.09%

0–0.5%

1120(39.0%)

0.5–1%

23(15.1%)

1–3%

13(18.1%)

3–5%

2(7.7%)

5%+

2(20.2%)

Count of positions per weight bucket — (%) = combined portfolio weight

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Portfolio Overlap

Shared: 1,122Unique: 38vs 20 funds

15.3%Moderate

1,160

Fund positions

7,299

Consensus CUSIPs

Jaccard similarity of this fund’s portfolio vs the consensus of top 20 funds by AUM. Low (<15%) = contrarian, Moderate (15-40%), High (>40%) = follows the crowd.

Most Similar Funds

Top 9 benchmark funds with highest portfolio overlap (Jaccard similarity)

MORGAN STANLEY

21%

BANK OF AMERICA CORP /DE/

22.7%

20.5%

27.9%

20.8%

18.9%

GEODE CAPITAL MANAGEMENT, LLC

17.7%

VANGUARD CAPITAL MANAGEMENT LLC

18%

VANGUARD PORTFOLIO MANAGEMENT LLC

19.9%

Jaccard similarity per fund: shared CUSIPs / (fund A + fund B − shared). Higher values indicate more similar portfolios.

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Position Changes This Quarter

New148Increased235Decreased444Exited144

New Positions

NEU0.1%

+1K

SOLS0.0%

+7K

ISCF0.0%

+5K

GKD0.0%

+1K

AZN0.0%

+2K

PLMR0.0%

+2K

SPEU0.0%

+4K

FMDE0.0%

+6K

AU0.0%

+2K

Q0.0%

+1K

Increased

SILJ0.2%

+95K(+6305%)

RISR0.4%

+53K(+54%)

IBIT0.1%

+34K(+204%)

JSI0.5%

+33K(+38%)

SLB0.1%

+25K(+1607%)

IBDU0.1%

+20K(+30%)

IBDV0.1%

+18K(+53%)

IBDS0.2%

+18K(+18%)

PPTA0.1%

+18K(+415%)

DGRO0.5%

+16K(+20%)

Decreased

BRK/B2.4%

-172,792(-73%)

AMZN3.8%

-78,791(-25%)

BABA0.0%

-66,049(-98%)

MSFT2.8%

-57,096(-38%)

AAPL6.5%

-37,481(-10%)

MAR13.7%

-32,458(-6%)

VICR0.1%

-29,800(-82%)

NFLX0.2%

-24,845(-51%)

DKNG0.0%

-19,121(-100%)

CRM0.1%

-18,499(-81%)

Exited

-5,178

-13,919

-2,575

-8,666

-3,875

-1,790

-3,539

-967

-89,546

-327

Quarter-over-quarter changes compared to prior 13F filing. New = first appearance; Exited = no longer held.

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Holdings

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