Harbor Advisors LLC Portfolio Holdings

Harbor Advisors LLC

  • $583 Million
  • Q2 2025

Harbor Advisors LLC has filed its 13F form on August 13, 2025 for Q2 2025 where it was disclosed a total value porftolio of $583 Million distributed in 190 stocks.

Among their holdings, we can observe that their the top five positions include companies like: Equinix Inc with a value of $201M, Amazon Com Inc with a value of $33.9M, Apple Inc. with a value of $30.4M, Nvidia Corp with a value of $28.4M, and Alphabet Inc. with a value of $27.4M.

Examining the 13F form we can see an increase of $29.6M in the current position value, from $553M to 583M.

Below you can find more details about Harbor Advisors LLC portfolio as well as his latest detailed transactions.

Portfolio value $583 Million
Real Estate: $209 Million
Financial Services: $115 Million
Technology: $96.5 Million
Communication Services: $57.1 Million
Consumer Cyclical: $42.4 Million
Energy: $26.1 Million
Industrials: $14.4 Million
Healthcare: $10.2 Million
Other: $12.6 Million

Stock Holdings Table

Stock Market Cap. Holding Value (Reported) # of Shares. Last Trade Trade History
$24.6B
$604,000 0.1% of portfolio
4,398
Q4 2020 New
$7.05B
$558,000 0.1% of portfolio
4,000
Q2 2020 New
$2.08B
$563,000 0.1% of portfolio
15,671
Q2 2025 New
$282B
$567,000 0.1% of portfolio
4,000
Q1 2024 Added 100.0%
$44B
$576,000 0.1% of portfolio
1,000
Q2 2019 New
$324B
$510,000 0.09% of portfolio
4,500
Q4 2024 Added 50.0%
$245B
$499,000 0.09% of portfolio
1,600
Q2 2025 Added 220.0%
$3.65B
$547,000 0.09% of portfolio
42,260
Q1 2023 Reduced 15.48%
$22B
$540,000 0.09% of portfolio
3,000
Q4 2021 New
$8.37B
$491,000 0.08% of portfolio
2,500
Q4 2020 New
$731M
$493,000 0.08% of portfolio
20,000
Q1 2025 Added 14.29%
$11.8B
$460,000 0.08% of portfolio
21,732
Q2 2025 Reduced 18.7%
$50.2B
$456,000 0.08% of portfolio
14,000
Q1 2022 Reduced 12.5%
$42.1B
$387,000 0.07% of portfolio
1,500
Q4 2024 New
$327M
$419,000 0.07% of portfolio
20,000
Q3 2019 New
$28.2B
$414,000 0.07% of portfolio
212
Q2 2025 New
$57.7B
$422,000 0.07% of portfolio
3,541
Q4 2020 New
$5.85B
$414,000 0.07% of portfolio
10,500
Q4 2024 Added 90.91%
$27.9B
$433,000 0.07% of portfolio
1,500
Q4 2022 New
$185B
$425,000 0.07% of portfolio
5,000
Q2 2017 New
$232B
$409,000 0.07% of portfolio
1,500
Q2 2024 New
$7.14B
$426,000 0.07% of portfolio
6,000
Q2 2017 New
$32.7B
$433,000 0.07% of portfolio
5,000
Q1 2025 Added 150.0%
$458M
$386,000 0.07% of portfolio
11,517
Q4 2024 New
$41.1B
$357,000 0.06% of portfolio
8,500
Q3 2024 Added 41.67%
$21.8B
$328,000 0.06% of portfolio
10,330
Q1 2021 New
$34.1B
$327,000 0.06% of portfolio
2,000
Q2 2020 New
$61.6B
$333,000 0.06% of portfolio
2,800
Q3 2024 New
$1.77B
$366,000 0.06% of portfolio
13,272
Q2 2017 New
$57.8B
$327,000 0.06% of portfolio
1,500
Q4 2020 New
$483M
$339,000 0.06% of portfolio
55,000
Q3 2022 New
$254B
$353,000 0.06% of portfolio
500
Q1 2024 New
$452B
$351,000 0.06% of portfolio
2,304
Q3 2023 New
$3.71B
$327,000 0.06% of portfolio
4,000
Q2 2025 Added 60.0%
$3.05B
$310,000 0.05% of portfolio
10,000
Q4 2023 New
$127B
$266,000 0.05% of portfolio
2,000
Q1 2024 New
$1.89B
$303,000 0.05% of portfolio
29,146
Q2 2017 New
$17.1B
$267,000 0.05% of portfolio
4,766
Q3 2024 New
$99.2B
$275,000 0.05% of portfolio
1,000
Q3 2024 New
$994M
$277,000 0.05% of portfolio
10,000
Q2 2017 New
$86B
$273,000 0.05% of portfolio
1,000
Q4 2023 New
$3.06B
$278,000 0.05% of portfolio
10,500
Q1 2024 New
$36.4B
$302,000 0.05% of portfolio
2,000
Q3 2024 New
$169B
$271,000 0.05% of portfolio
500
Q4 2024 New
$1.27T
$226,000 0.04% of portfolio
1,000
Q2 2025 New
$60B
$243,000 0.04% of portfolio
1,071
Q1 2023 New
$37.5B
$226,000 0.04% of portfolio
4,602
Q1 2024 New
$99B
$231,000 0.04% of portfolio
5,000
Q4 2019 New
$532M
$237,000 0.04% of portfolio
6,995
Q2 2024 New

Summary

  • Portfolio
  • No. of Stocks 190
  • Current Value $583 Million
  • Prior Value $553 Million
  • Filing
  • Period Q2 2025
  • Filing Date August 13, 2025
  • Form Type 13F-HR
  • Activity in Q2 2025
  • New Purchases 8 stocks
  • Additional Purchases 7 stocks
  • Sold out of 0 stocks
  • Reduced holdings in 4 stocks
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