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MILLENNIUM MANAGEMENT LLC

Position in OSG — Octave Specialty Group Inc

CIK 1273087 NEW YORK, NY

Position in OSG

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$122,366
-$505,793 QoQ
Shares Held
19,610
-85.5% QoQ
Ownership
0.044%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#81
of 147 holders
Holding Since
Jun 2020
24 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in OSG Over Time

Shares Held

Position Value (USD)

Derivatives in OSG

reported options exposure · as of Dec 31, 2020
CallValue
$1,538,000
CallShares
100,000
PutValue
$0
PutShares
0

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Insurance - Specialty

Financial Services · as of Jun 30, 2026

MILLENNIUM MANAGEMENT LLC holds $148,677,028 across 13 Insurance - Specialty names. OSG ranks #13 (0.1% 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 $122,366 19,610
2026-03-31 $628,159 135,088
2025-12-31 $2,359,533 303,282
2025-09-30 $5,845,464 700,895
2025-06-30 $7,071,891 996,041
2025-03-31 $4,451,002 508,686
2024-12-31 $2,651,338 209,592
2024-09-30 $3,090,114 275,657
2024-06-30 $972,525 75,860
2024-03-31 $895,067 57,266
2023-12-31 $1,260,027 76,458
2023-09-30 $1,111,051 92,127
2023-06-30 $168,316 11,820
2023-03-31 $1,739,425 112,366
2022-12-31 $7,989,019 458,086
2022-09-30 $307,032 24,081
2022-06-30 $183,223 16,143
2022-03-31 $1,179,932 113,455
2021-09-30 $341,231 23,829
2021-06-30 $1,086,616 69,388
2021-03-31 $1,732,489 103,494
2020-12-31 $1,538,000 100,000
2020-12-31 $2,114,303 137,471
2020-09-30 $200,003 15,662
2020-09-30 $1,277,000 100,000
2020-06-30 $448,416 31,314