Harbor Advisors LLC

CIK 0001687156 · WEST PALM BEACH, FL · Quarter end: 2026-06-30 · Filed on: 2026-07-28 · Open the SEC source

Harbor Advisors LLC reported 194 positions worth $795.1M as of June 30, 2026 (13F filed July 28, 2026). Largest holding: EQIX (31.4%).

Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$795.1M
2026 Q2
Positions
194
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
67.8%
Est. Net Flow (Q)
2026 Q2
10 / 194 positions shown
#SymbolCompanyTypeValue% Port.Shares1YYTD
1EQIXEQUINIX INCSH$249.4M31.36%239,240
2MUMICRON TECHNOLOGY INCSH$57.7M7.26%50,000
3GOOGLALPHABET INCSH$52.0M6.54%145,600
4AAPLAPPLE INCSH$42.9M5.40%148,400
5AMZNAMAZON COM INCSH$36.5M4.59%153,200
6NVDANVIDIA CORPORATIONSH$36.0M4.53%180,000
7CNQCANADIAN NAT RES LTD MED TERSH$19.7M2.48%499,800
8IBKRINTERACTIVE BROKERS GROUP INSH$16.3M2.05%186,832
9FTAIFTAI AVIATION LTDSH$15.4M1.94%57,000
10MAMASTERCARD INCORPORATEDSH$13.4M1.68%26,000

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Read the 2026-Q2 quarterly report · 13F Filing Calendar

Frequently Asked Questions

What stocks does Harbor Advisors LLC hold as of Q2 2026?

Harbor Advisors LLC reported 194 positions worth $795.1M in its Q2 2026 13F filing. Largest positions: EQIX (31.4%), MU (7.3%), GOOGL (6.5%), AAPL (5.4%) and AMZN (4.6%).

What did Harbor Advisors LLC buy in Q2 2026?

No previous quarter is available yet; the comparison appears with the next filing.

What did Harbor Advisors LLC sell in Q2 2026?

No previous quarter is available yet.

13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.