OSG

Octave Specialty Group

146 hedge funds and large institutions have $262M invested in Octave Specialty Group in 2025 Q2 according to their latest regulatory filings, with 32 funds opening new positions, 47 increasing their positions, 49 reducing their positions, and 59 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding in top 10

Funds holding in top 10:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

16% less funds holding

Funds holding: 174146 (-28)

19% less capital invested

Capital invested by funds: $325M → $262M (-$62.8M)

46% less first-time investments, than exits

New positions opened: 32 | Existing positions closed: 59

Holders
146
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
6
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$69.4M
Puts
$4.38M
Net Calls
Net Calls Change

Top Sellers

1 -$6.12M
2 -$3.37M
3 -$3.11M
4
Morgan Stanley
Morgan Stanley
New York
-$2.98M
5
BlackRock
BlackRock
New York
-$2.28M
Name Holding Trade Value Shares
Change
Change in
Stake
76
$294K
77
$279K
78
$274K
79
$270K
80
$269K
81
$267K
82
$266K
83
$252K
84
$235K
85
$223K
86
$222K
87
$221K
88
$205K
89
$187K
90
$175K
91
$170K
92
$167K
93
$164K
94
$158K
95
$154K
96
$152K
97
$145K
98
$134K
99
$134K
100
$128K