Janus Henderson Group
OSG

Janus Henderson Group’s Octave Specialty Group OSG Stock Holding History

Janus Henderson Group’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
Q2 		– Sell
-19,792
Closed -$171K – 2407
2025
Q1 		$171K Hold
19,792
– – ﹤0.01% 2402
2024
Q4 		$250K Hold
19,792
– – ﹤0.01% 2332
2024
Q3 		$222K Hold
19,792
– – ﹤0.01% 2400
2024
Q2 		$253K Sell
19,792
-228
-1% -$3.48K ﹤0.01% 2294
2024
Q1 		$313K Buy
20,020
+1
+0% +$16 ﹤0.01% 2217
2023
Q4 		$330K Sell
20,019
-36
-0.2% -$501 ﹤0.01% 2191
2023
Q3 		$241K Buy
20,055
+2
+0% +$27 ﹤0.01% 2285
2023
Q2 		$285K Sell
20,053
-23
-0.1% -$337 ﹤0.01% 2272
2023
Q1 		$311K Buy
+20,076
New +$325K ﹤0.01% 2267

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
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
BCC
Bain Capital Credit Boston, Massachusetts $368M AUM 9.33% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

Janus Henderson Group's OSG Position: Q2 2025 in Review

Janus Henderson Group sold out of Octave Specialty Group (OSG) in Q2 2025, closing a stake of 19,792 shares — an estimated $171K sold.

Janus Henderson Group first reported a position in OSG in Q1 2023 and held it in 9 quarters. The position peaked at $330K in Q4 2023. 146 funds tracked by Wall St. Rank hold OSG as of Q2 2025.

  • Janus Henderson Group reported no remaining Octave Specialty Group position as of Q2 2025 after selling out during the quarter.
  • Janus Henderson Group sold 19,792 Octave Specialty Group shares in Q2 2025, an estimated $171K.
  • Janus Henderson Group first reported a position in Octave Specialty Group in Q1 2023 and held it in 9 quarters.
  • Janus Henderson Group's Octave Specialty Group position peaked at $330K in Q4 2023.
  • 146 funds tracked by Wall St. Rank held Octave Specialty Group as of Q2 2025.

Based on Janus Henderson Group's 13F filing for Q2 2025, filed 14 Aug 2025.