Octave Specialty Group Inc (OSG) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

48,106,069Shares Outstanding
34,795,135Shares held by institutions
$195,896,610Value of institutional holdings
72.33%Institutional ownership %
-4.11%Shares Changed QoQ
143No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Octave Specialty Group Inc (NYSE:OSG) has 143 institutional investors that have filed 13F reports for the period ending December 2025.

147 Institutional Holders

34,795,135 Total Shares Held
Download Data
Owner Name Date Shares Held Change (QoQ) Change (%) Value (USD)
BlackRock, Inc. 31 Mar, 2026 3,917,798 -570,670 -12.71% $18,217,762.00
Western Standard LLC 31 Mar, 2026 2,247,591 -257,036 -10.26% $10,451,298.00
VANGUARD CAPITAL MANAGEMENT LLC 31 Mar, 2026 1,945,076 1,945,076 0.00% $9,044,603.00
PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. 31 Mar, 2026 1,592,587 699,070 78.24% $7,405,530.00
Wolf Hill Capital Management, LP 31 Mar, 2026 1,470,334 -418,639 -22.16% $6,837,053.00
GENDELL JEFFREY L 31 Mar, 2026 1,413,212 -156,260 -9.96% $6,571,436.00
THIRD AVENUE MANAGEMENT LLC 31 Mar, 2026 1,341,211 559,118 71.49% $6,236,631.00
DIMENSIONAL FUND ADVISORS LP 31 Mar, 2026 1,310,132 -375,495 -22.28% $6,092,068.00
Bain Capital Credit, LP 31 Mar, 2026 1,108,012 0 0.00% $5,152,256.00
MARSHALL WACE, LLP 31 Mar, 2026 1,065,335 316,763 42.32% $4,953,807.00
GEODE CAPITAL MANAGEMENT, LLC 31 Mar, 2026 1,022,438 -2,109 -0.21% $4,755,504.00
State Street Corp 31 Mar, 2026 941,404 -1,964 -0.21% $4,377,529.00
JACOBS LEVY EQUITY MANAGEMENT, INC 31 Mar, 2026 884,272 647,087 272.82% $4,111,865.00
Nuveen, LLC 31 Mar, 2026 800,253 -10,026 -1.24% $3,721,176.00
JANE STREET GROUP, LLC 31 Mar, 2026 764,384 -756,270 -49.73% $3,554,385.00
Caption Management, LLC 31 Mar, 2026 642,597 -428,497 -40.01% $2,988,076.00
Bracebridge Capital, LLC 31 Mar, 2026 579,234 0 0.00% $2,693,438.00
RIHO Partners, LLC 31 Mar, 2026 546,569 546,569 0.00% $2,541,546.00
CITADEL ADVISORS LLC 31 Mar, 2026 431,809 144,526 50.31% $2,007,912.00
ESSEX INVESTMENT MANAGEMENT CO LLC 31 Mar, 2026 418,203 7,381 1.80% $1,944,644.00