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MARSHALL WACE, LLP

Position in OSG — Octave Specialty Group Inc

CIK 1318757 LONDON, X0

Position in OSG

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$3,755,206
-$1,198,600 QoQ
Shares Held
601,796
-43.5% QoQ
Ownership
1.34%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#11
of 147 holders
Holding Since
Dec 2022
12 quarters on record
Voting authority Sole 0% Shared 100% None 0%

Common Shares in OSG Over Time

Shares Held

Position Value (USD)

Position in Insurance - Specialty

Financial Services · as of Jun 30, 2026

MARSHALL WACE, LLP holds $29,596,980 across 8 Insurance - Specialty names. OSG ranks #2 (12.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 OSG
Octave Specialty Group Inc
This page
601,796 $3,755,206

All Filings in OSG

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12 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $3,755,206 601,796
2026-03-31 $4,953,806 1,065,335
2025-12-31 $5,823,889 748,572
2025-09-30 $3,795,317 455,074
2025-06-30 $4,601,900 648,155
2025-03-31 $1,797,293 205,405
2024-12-31 $3,376,777 266,939
2024-09-30 $4,086,874 364,574
2024-06-30 $4,432,065 345,715
2024-03-31 $1,086,363 69,505
2023-06-30 $404,843 28,430
2022-12-31 $1,151,545 66,029