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
$102B
$1.53 Million 0.26% of portfolio
3,500
Q3 2023 Added 40.0%
$367B
$1.5 Million 0.26% of portfolio
11,000
Q2 2023 New
$8.5B
$1.43 Million 0.25% of portfolio
13,000
Q4 2024 Added 30.0%
$362M
$1.39 Million 0.24% of portfolio
196,382
Q1 2023 Reduced 21.88%
$551B
$1.42 Million 0.24% of portfolio
4,000
Q4 2021 New
$2.13B
$1.35 Million 0.23% of portfolio
23,000
Q2 2025 Reduced 35.21%
$7.01B
$1.32 Million 0.23% of portfolio
12,000
Q2 2017 New
$20.9B
$1.26 Million 0.22% of portfolio
2,200
Q1 2018 New
$187B
$1.22 Million 0.21% of portfolio
3,000
Q4 2023 Added 50.0%
$46.1B
$1.11 Million 0.19% of portfolio
8,000
Q2 2025 Added 33.33%
$63.6B
$1.13 Million 0.19% of portfolio
1,500
Q2 2020 New
$61.8B
$1.12 Million 0.19% of portfolio
5,000
Q3 2024 Added 25.0%
$32.4B
$1.05 Million 0.18% of portfolio
11,500
Q4 2023 Added 27.78%
$75.3B
$978,000 0.17% of portfolio
30,000
Q2 2021 Added 200.0%
$127B
$964,000 0.17% of portfolio
3,500
Q3 2024 Added 900.0%
$229B
$987,000 0.17% of portfolio
6,766
Q3 2023 Added 144.61%
$18.1B
$1.01 Million 0.17% of portfolio
2,500
Q2 2017 New
$49.3B
$991,000 0.17% of portfolio
30,000
Q3 2018 New
$4.49B
$922,000 0.16% of portfolio
14,800
Q3 2018 Added 25.42%
$55B
$951,000 0.16% of portfolio
13,000
Q4 2023 Added 75.41%
$70.1B
$931,000 0.16% of portfolio
5,976
Q2 2017 New
$250B
$930,000 0.16% of portfolio
6,608
Q4 2020 New
$75.3B
$891,000 0.15% of portfolio
2,500
Q2 2020 New
$442B
$868,000 0.15% of portfolio
8,057
Q3 2024 New
$18.8B
$849,000 0.15% of portfolio
19,000
Q3 2017 Added 72.73%
$50.1B
$840,000 0.14% of portfolio
6,000
Q2 2017 New
$5.4B
$840,000 0.14% of portfolio
2,500
Q2 2017 New
$152B
$820,000 0.14% of portfolio
3,700
Q1 2023 Added 23.33%
$14B
$820,000 0.14% of portfolio
15,000
Q2 2018 New
$120B
$832,000 0.14% of portfolio
9,272
Q1 2021 Added 30.92%
$8.98B
$768,000 0.13% of portfolio
40,000
Q2 2024 New
$94.7B
$732,000 0.13% of portfolio
1,000
Q3 2023 New
$6.08B
$785,000 0.13% of portfolio
5,000
Q1 2025 Reduced 37.5%
$138B
$774,000 0.13% of portfolio
31,962
Q4 2023 Added 68.56%
$64.4B
$767,000 0.13% of portfolio
3,000
Q3 2017 Added 50.0%
$0
$702,000 0.12% of portfolio
2,000
Q4 2023 New
$608B
$701,000 0.12% of portfolio
900
Q1 2024 Added 80.0%
$182B
$680,000 0.12% of portfolio
7,298
Q1 2023 Reduced 47.87%
$423B
$728,000 0.12% of portfolio
1
Q2 2017 New
$5.69B
$726,000 0.12% of portfolio
4,500
Q4 2020 New
$9.01B
$701,000 0.12% of portfolio
9,000
Q1 2025 Added 28.57%
$227B
$637,000 0.11% of portfolio
2,000
Q3 2020 New
$545B
$669,000 0.11% of portfolio
500
Q4 2023 New
$10B
$629,000 0.11% of portfolio
1,300
Q1 2025 Added 62.5%
$70.4B
$628,000 0.11% of portfolio
10,000
Q2 2017 New
$302B
$626,000 0.11% of portfolio
4,372
Q2 2017 New
$2.5B
$583,000 0.1% of portfolio
18,644
Q2 2024 New
$295B
$560,000 0.1% of portfolio
700
Q2 2022 New
$59.7B
$599,000 0.1% of portfolio
7,000
Q1 2021 Reduced 58.82%

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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