Nebula Research & Development’s Octave Specialty Group OSG Stock Holding History

Nebula Research & Development’s Portfolio OSG Stock Details OSG Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-107,124	Closed	-$761K	–	48
2025 Q2	$761K	Buy	107,124 +34,022	+47%	+$253K	0.06%	502
2025 Q1	$640K	Buy	73,102 +18,925	+35%	+$199K	0.06%	525
2024 Q4	$685K	Sell	54,177 -21,031	-28%	-$254K	0.08%	436
2024 Q3	$843K	Sell	75,208 -6,903	-8%	-$80.7K	0.1%	364
2024 Q2	$1.05M	Buy	+82,111	New	+$1.25M	0.17%	205
2023 Q4	–	Sell	-15,202	Closed	-$183K	–	632
2023 Q3	$183K	Buy	+15,202	New	+$204K	0.1%	410

Other funds holding OSG

Manulife (Manufacturers Life Insurance) Canada, Ontario, Canada $128B AUM 35.83% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

WSL

Western Standard LLC Los Angeles, California $295M AUM 40.98% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

CGIC

Continental General Insurance Company Austin, Texas $480M AUM 101.43% 1-Year Est. Return

GJL

Gendell Jeffrey L $11.3B AUM 163.05% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

WHCM

Wolf Hill Capital Management Greenwich, Connecticut $1.2B AUM 137.35% 1-Year Est. Return

Caption Management Oklahoma City, Oklahoma $21.5B AUM 81.81% 1-Year Est. Return

Nebula Research & Development's OSG Position: Q3 2025 in Review

Nebula Research & Development sold out of Octave Specialty Group (OSG) in Q3 2025, closing a stake of 107,124 shares — an estimated $761K sold.

Nebula Research & Development first reported a position in OSG in Q3 2023 and held it in 6 quarters. The position peaked at $1.05M in Q2 2024. 130 funds tracked by Wall St. Rank hold OSG as of Q3 2025.

Nebula Research & Development reported no remaining Octave Specialty Group position as of Q3 2025 after selling out during the quarter.
Nebula Research & Development sold 107,124 Octave Specialty Group shares in Q3 2025, an estimated $761K.
Nebula Research & Development first reported a position in Octave Specialty Group in Q3 2023 and held it in 6 quarters.
Nebula Research & Development's Octave Specialty Group position peaked at $1.05M in Q2 2024.
130 funds tracked by Wall St. Rank held Octave Specialty Group as of Q3 2025.

Based on Nebula Research & Development's 13F filing for Q3 2025.