EF
OSG

Empirical Finance’s Octave Specialty Group OSG Stock Holding History

Empirical Finance’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
Q4 		– Sell
-72,182
Closed -$602K – 482
2025
Q3 		$602K Hold
72,182
– – 0.03% 398
2025
Q2 		$512K Buy
+72,182
New +$538K 0.03% 421

Other funds holding OSG

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
WSL
Western Standard LLC Los Angeles, California $295M AUM 40.98% 1-Year Est. Return
WHCM
Wolf Hill Capital Management Greenwich, Connecticut $1.2B AUM 137.35% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
GJL
Gendell Jeffrey L $11.3B AUM 163.05% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
BCC
Bain Capital Credit Boston, Massachusetts $368M AUM 9.33% 1-Year Est. Return
CM
Caption Management Oklahoma City, Oklahoma $21.5B AUM 81.81% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Empirical Finance's OSG Position: Q4 2025 in Review

Empirical Finance sold out of Octave Specialty Group (OSG) in Q4 2025, closing a stake of 72,182 shares — an estimated $602K sold.

Empirical Finance first reported a position in OSG in Q2 2025 and held it in 2 quarters. The position peaked at $602K in Q3 2025. 144 funds tracked by Wall St. Rank hold OSG as of Q4 2025.

  • Empirical Finance reported no remaining Octave Specialty Group position as of Q4 2025 after selling out during the quarter.
  • Empirical Finance sold 72,182 Octave Specialty Group shares in Q4 2025, an estimated $602K.
  • Empirical Finance first reported a position in Octave Specialty Group in Q2 2025 and held it in 2 quarters.
  • Empirical Finance's Octave Specialty Group position peaked at $602K in Q3 2025.
  • 144 funds tracked by Wall St. Rank held Octave Specialty Group as of Q4 2025.

Based on Empirical Finance's 13F filing for Q4 2025, filed 12 Feb 2026.