Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

Harbor Advisors LLC 13F Holdings -- Portfolio & Top Positions (2026-03-31)

Harbor Advisors LLC (CIK 1687156) reported $692.2M across 192 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: EQIX ($234.5M, 33.88%), GOOGL ($41.9M, 6.05%), AAPL ($37.7M, 5.44%), AMZN ($31.9M, 4.61%), NVDA ($31.4M, 4.54%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1EQIXEQUINIX INC$234.5M33.88%239,240Trimmed
2GOOGLALPHABET INC$41.9M6.05%145,600Trimmed
3AAPLAPPLE INC$37.7M5.44%148,400Hold
4AMZNAMAZON COM INC$31.9M4.61%153,200Hold
5NVDANVIDIA CORPORATION$31.4M4.54%180,000Hold
6CNQCANADIAN NAT RES LTD MED TER$24.4M3.52%499,800Hold
7MUMICRON TECHNOLOGY INC$17.2M2.49%51,000Added
8FTAIFTAI AVIATION LTD$14.0M2.02%57,000Hold
9MAMASTERCARD INCORPORATED$13.0M1.88%26,000Hold
10IBKRINTERACTIVE BROKERS GROUP IN$12.5M1.81%186,832Hold
11MSFTMICROSOFT CORP$9.8M1.42%26,500Added
12FERGFERGUSON ENTERPRISES INC$9.6M1.39%41,255Hold
13METAMETA PLATFORMS INC$7.9M1.14%13,800Hold
14NTBBANK OF N T BUTTERFIELD & SO$7.6M1.10%144,908Trimmed
15JPMJPMORGAN CHASE & CO$7.1M1.03%24,148Hold
16SPGIS&P GLOBAL INC$5.8M0.84%13,667Hold
17PJTPJT PARTNERS INC$5.8M0.84%41,519Hold
18GOOGALPHABET INC$5.7M0.83%20,000Hold
19NUENUCOR CORP$4.7M0.68%27,992Hold
20DLRDIGITAL RLTY TR INC$4.6M0.67%25,552Hold
21EVREVERCORE INC$4.5M0.65%15,000Hold
22TMUST-MOBILE US INC$4.3M0.63%20,650Hold
23WMTWALMART INC$4.1M0.59%33,000Hold
24BLKBLACKROCK INC$3.8M0.55%3,924Hold
25EOGEOG RES INC$3.7M0.54%25,900Hold

Source: SEC Form 13F filings · as of 2026-03-31