13F Insight
DOSSIER · 13F-HR · Q2 2026

Harbor Advisors LLC

$795M in tracked AUM across 194 positions as of Q2 2026.

HA
CIK 0001687156 · last filed Jun 30, 2026
Total AUM
$795M
as of Q2 2026
Holdings
194
—
positions
Whale Score
65
65
tracked
Activity
—
no data
changes this Q
AI Analysis · Q2 2026

Harbor Advisors LLC filed its latest 13F-HR for Q2 2026. See the latest holdings and position changes below.

Quarter at a glance — Q2 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q2 2026.

#HoldingValueSharesWeight
01
EQIX
EQUINIX INC
$249M239K31.4%02
MU
MICRON TECHNOLOGY INC
$58M50K7.3%03
GOOGL
ALPHABET INC
$52M146K6.5%04
AAPL
APPLE INC
$43M148K5.4%05
AMZN
AMAZON COM INC
$37M153K4.6%06
NVDA
NVIDIA CORPORATION
$36M180K4.5%07
CNQ
CANADIAN NAT RES LTD MED TER
$20M500K2.5%08
IBKR
INTERACTIVE BROKERS GROUP IN
$16M187K2.0%09
G3730V105
FTAI AVIATION LTD
$15M57K1.9%10
MA
MASTERCARD INCORPORATED
$13M26K1.7%

Filing history

2026Q2Jun 30
$795M▲ 14.9%
194 positionsView →2026Q1Mar 31
$692M▲ 4.0%
197 positionsView →2025Q4Dec 31
$666M▲ 2.7%
193 positionsView →2025Q3Sep 30
$648M▲ 6.1%
190 positionsView →2025Q2Jun 30
$611M▲ 6.1%
190 positionsLocked2025Q1Mar 31
$576M▼ 9.5%
193 positionsLocked2024Q4Dec 31
$637M▲ 6.5%
192 positionsLocked2024Q3Sep 30
$598M▲ 9.6%
188 positionsLocked2024Q2Jun 30
$545M▲ 0.2%
178 positionsLocked2024Q1Mar 31
$544M▲ 4.1%
176 positionsLocked2023Q4Dec 31
$523M▲ 12.0%
175 positionsLocked2023Q3Sep 30
$467M▼ 0.8%
165 positionsLocked
Showing 12 of 36