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Harbor Advisors LLC

Position in OSG — Octave Specialty Group Inc

CIK 1687156 West Palm Beach, FL

Position in OSG

as of Jun 30, 2026 · filed Jul 28, 2026
Position Value
$1,225,423
+$312,247 QoQ
Shares Held
196,382
0.0% QoQ
Ownership
0.436%
of shares outstanding
% of Portfolio
0.16%
of 13F equity value
Holder Rank
#35
of 147 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in OSG Over Time

Shares Held

Position Value (USD)

Position in Insurance - Specialty

Financial Services · as of Jun 30, 2026

Harbor Advisors LLC holds $2,800,991 across 2 Insurance - Specialty names. OSG ranks #2 (43.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 OSG
Octave Specialty Group Inc
This page
196,382 $1,225,423

All Filings in OSG

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,225,423 196,382
2026-03-31 $913,176 196,382
2025-12-31 $1,527,851 196,382
2025-09-30 $1,637,825 196,382
2025-06-30 $1,394,312 196,382
2025-03-31 $1,718,342 196,382
2024-12-31 $2,484,232 196,382
2024-09-30 $2,201,442 196,382
2024-06-30 $2,517,617 196,382
2024-03-31 $3,069,450 196,382
2023-12-31 $3,236,375 196,382
2023-09-30 $2,368,366 196,382
2023-06-30 $2,796,479 196,382
2023-03-31 $3,039,993 196,382
2022-12-31 $4,384,102 251,382
2022-09-30 $3,205,120 251,382
2022-06-30 $2,853,185 251,382
2022-03-31 $2,614,372 251,382
2021-12-31 $4,195,181 261,382
2021-09-30 $3,742,990 261,382
2021-06-30 $4,093,242 261,382
2021-03-31 $4,375,534 261,382
2020-12-31 $4,020,055 261,382
2020-09-30 $3,337,848 261,382
2020-06-30 $3,742,990 261,382
2020-03-31 $3,225,453 261,382