Harbor Advisors LLC Portfolio Holdings

Harbor Advisors LLC

  • $615 Million
  • Q3 2025

Harbor Advisors LLC has filed its 13F form on November 12, 2025 for Q3 2025 where it was disclosed a total value porftolio of $615 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 $198M, Apple Inc. with a value of $37.8M, Alphabet Inc. with a value of $37.8M, Amazon Com Inc with a value of $34M, and Nvidia Corp with a value of $33.6M.

Examining the 13F form we can see an increase of $31.6M in the current position value, from $583M to 615M.

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

Portfolio value $615 Million
Real Estate: $206 Million
Financial Services: $120 Million
Technology: $113 Million
Communication Services: $66.3 Million
Consumer Cyclical: $43.2 Million
Energy: $26.5 Million
Industrials: $15.4 Million
Healthcare: $10.4 Million
Other: $13.4 Million

Stock Holdings Table

Stock Market Cap. Holding Value (Reported) # of Shares. Last Trade Trade History
$71.5B
$198 Million 32.21% of portfolio
252,790
Q2 2025 Added 0.12%
$4.3T
$37.8 Million 6.15% of portfolio
148,400
Q3 2020 Added 300.0%
$1.65T
$37.8 Million 6.15% of portfolio
155,600
Q1 2023 Reduced 4.31%
$2.39T
$34 Million 5.53% of portfolio
154,700
Q4 2024 Reduced 0.19%
$465B
$33.6 Million 5.46% of portfolio
180,000
Q2 2024 Added 900.0%
$38.8B
$16 Million 2.6% of portfolio
499,800
Q2 2024 Added 100.0%
$512B
$14.8 Million 2.41% of portfolio
26,000
Q2 2020 Added 4.0%
$3.78T
$13.5 Million 2.19% of portfolio
26,000
Q4 2024 Added 1.96%
$6B
$12.9 Million 2.09% of portfolio
186,832
Q2 2025 Added 300.0%
$1.37T
$9.4 Million 1.53% of portfolio
12,800
Q4 2022 Added 13.27%
$268B
$8.12 Million 1.32% of portfolio
48,500
Q4 2017 New
$881B
$7.62 Million 1.24% of portfolio
24,148
Q1 2023 Reduced 7.65%
$4.04B
$7.38 Million 1.2% of portfolio
41,519
Q3 2017 Added 53.77%
$2.26B
$6.67 Million 1.09% of portfolio
155,408
Q4 2024 Reduced 6.05%
$159B
$6.65 Million 1.08% of portfolio
13,667
Q3 2023 Added 24.25%
$8.94B
$5.13 Million 0.84% of portfolio
25,000
Q1 2018 Added 25.0%
$269B
$4.94 Million 0.8% of portfolio
20,650
Q2 2020 Added 0.73%
$1.74T
$4.87 Million 0.79% of portfolio
20,000
Q3 2022 Added 1,900.0%
$45.5B
$4.42 Million 0.72% of portfolio
25,552
Q1 2024 Reduced 11.08%
$32.4B
$4.39 Million 0.71% of portfolio
15,942
Q1 2024 Reduced 42.36%
$87.8B
$3.81 Million 0.62% of portfolio
8,000
Q1 2019 Added 14.29%
$38B
$3.79 Million 0.62% of portfolio
27,992
Q2 2017 New
$279B
$3.4 Million 0.55% of portfolio
33,000
Q1 2024 Added 200.0%
$115B
$3.06 Million 0.5% of portfolio
6,250
Q3 2024 Added 47.06%
$25.4B
$3.08 Million 0.5% of portfolio
12,000
Q1 2019 Reduced 14.29%
$64.7B
$2.9 Million 0.47% of portfolio
25,900
Q2 2017 New
$37.2B
$2.84 Million 0.46% of portfolio
4,500
Q2 2017 New
$54.4B
$2.59 Million 0.42% of portfolio
8,375
Q4 2024 Added 28.85%
$61.4B
$2.55 Million 0.41% of portfolio
12,500
Q4 2024 Added 100.0%
$160B
$2.48 Million 0.4% of portfolio
12,505
Q2 2022 Added 8.69%
$98.1B
$2.34 Million 0.38% of portfolio
13,700
Q4 2024 Added 77.92%
$24.4B
$2.32 Million 0.38% of portfolio
14,500
Q2 2025 Added 3.57%
$14.1B
$2.36 Million 0.38% of portfolio
41,265
Q3 2025 Reduced -0.0%
$761M
$2.36 Million 0.38% of portfolio
31,500
Q4 2024 Reduced 13.25%
$22.8B
$2.25 Million 0.37% of portfolio
24,000
Q1 2018 Added 100.0%
$2.55B
$2.27 Million 0.37% of portfolio
40,799
Q3 2025 Added 9.13%
$367B
$2.23 Million 0.36% of portfolio
5,500
Q1 2023 Added 10.0%
$78.4B
$2.13 Million 0.35% of portfolio
15,947
Q3 2025 Reduced 0.01%
$151B
$2.12 Million 0.34% of portfolio
6,000
Q4 2017 Added 20.0%
$328B
$2.11 Million 0.34% of portfolio
7,000
Q3 2025 Added 16.67%
$74.3B
$2.1 Million 0.34% of portfolio
10,444
Q4 2018 New
$342B
$2.01 Million 0.33% of portfolio
11,000
Q2 2023 New
$16.1B
$2.02 Million 0.33% of portfolio
33,409
Q4 2020 Reduced 7.11%
$303B
$1.95 Million 0.32% of portfolio
12,572
Q3 2025 Added 187.56%
$2.17B
$1.9 Million 0.31% of portfolio
29,000
Q3 2025 Added 26.09%
$27.7B
$1.9 Million 0.31% of portfolio
22,560
Q4 2024 Added 12.46%
$72.9B
$1.85 Million 0.3% of portfolio
7,133
Q2 2018 Added 12.63%
$14.5B
$1.85 Million 0.3% of portfolio
5,000
Q3 2023 Added 42.86%
$14.4B
$1.82 Million 0.3% of portfolio
20,000
Q3 2017 Added 11.11%

Summary

  • Portfolio
  • No. of Stocks 190
  • Current Value $615 Million
  • Prior Value $583 Million
  • Filing
  • Period Q3 2025
  • Filing Date November 12, 2025
  • Form Type 13F-HR
  • Activity in Q3 2025
  • New Purchases 10 stocks
  • Additional Purchases 8 stocks
  • Sold out of 0 stocks
  • Reduced holdings in 4 stocks
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