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RHUMBLINE ADVISERS

Position in OSG — Octave Specialty Group Inc

CIK 1115418 BOSTON, MA

Position in OSG

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$333,721
+$84,728 QoQ
Shares Held
53,481
-0.1% QoQ
Ownership
0.119%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#62
of 147 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 17% Shared 0% None 83%

Common Shares in OSG Over Time

Shares Held

Position Value (USD)

Position in Insurance - Specialty

Financial Services · as of Jun 30, 2026

RHUMBLINE ADVISERS holds $148,040,056 across 16 Insurance - Specialty names. OSG ranks #15 (0.2% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in OSG

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $333,721 53,481
2026-03-31 $248,993 53,547
2025-12-31 $447,124 57,471
2025-09-30 $560,197 67,170
2025-06-30 $531,903 74,916
2025-03-31 $608,475 69,540
2024-12-31 $1,783,637 140,999
2024-09-30 $1,485,369 132,504
2024-06-30 $1,690,675 131,878
2024-03-31 $2,101,437 134,449
2023-12-31 $2,228,837 135,245
2023-09-30 $1,754,187 145,455
2023-06-30 $2,115,095 148,532
2023-03-31 $2,285,095 147,616
2022-12-31 $2,458,656 140,978
2022-09-30 $1,774,889 139,207
2022-06-30 $1,525,292 134,387
2022-03-31 $1,365,655 131,313
2021-12-31 $2,114,924 131,771
2021-09-30 $1,852,864 129,390
2021-06-30 $2,295,568 146,588
2021-03-31 $2,563,931 153,162
2020-12-31 $2,342,727 152,323
2020-09-30 $1,796,126 140,652
2020-06-30 $2,146,754 149,913
2020-03-31 $2,023,685 163,994