Acadian Asset Management’s Octave Specialty Group OSG Stock Holding History

Acadian Asset Management’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
2026 Q2	–	Sell	-42,930	Closed	-$199K	–	1981
2026 Q1	$199K	Buy	42,930 +19,877	+86%	+$114K	﹤0.01%	1589
2025 Q4	$179K	Buy	+23,053	New	+$197K	﹤0.01%	1540
2024 Q4	–	Sell	-48,114	Closed	-$537K	–	1610
2024 Q3	$537K	Buy	+48,114	New	+$563K	﹤0.01%	1068
2016 Q1	–	Sell	-109,037	Closed	-$1.54M	–	1356
2015 Q4	$1.54M	Sell	109,037 -73,662	-40%	-$1.13M	0.01%	620
2015 Q3	$2.64M	Sell	182,699 -10,746	-6%	-$174K	0.01%	502
2015 Q2	$3.22M	Buy	193,445 +150,584	+351%	+$3.55M	0.02%	496
2015 Q1	$1.04M	Sell	42,861 -1,160	-3%	-$29.5K	﹤0.01%	646
2014 Q4	$1.08M	Buy	+44,021	New	+$1.03M	﹤0.01%	626
2014 Q1	–	Sell	-90,827	Closed	-$2.23M	–	952
2013 Q4	$2.23M	Buy	+90,827	New	+$1.9M	0.01%	454

Other funds holding OSG

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 Capital Management Malvern, Pennsylvania $4.68T AUM

PGCM

Prescott Group Capital Management Tulsa, Oklahoma $1.16B AUM 53.61% 1-Year Est. Return

TAM

Third Avenue Management New York $625M AUM 48.93% 1-Year Est. Return

BCC

Bain Capital Credit Boston, Massachusetts $368M AUM 9.33% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

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

Jacobs Levy Equity Management Florham Park, New Jersey $27.8B AUM 46.46% 1-Year Est. Return

Acadian Asset Management's OSG Position: Q2 2026 in Review

Acadian Asset Management sold out of Octave Specialty Group (OSG) in Q2 2026, closing a stake of 42,930 shares — an estimated $199K sold.

Acadian Asset Management first reported a position in OSG in Q4 2013 and held it in 9 quarters. The position peaked at $3.22M in Q2 2015. 148 funds tracked by Wall St. Rank hold OSG as of Q2 2026.

Acadian Asset Management reported no remaining Octave Specialty Group position as of Q2 2026 after selling out during the quarter.
Acadian Asset Management sold 42,930 Octave Specialty Group shares in Q2 2026, an estimated $199K.
Acadian Asset Management first reported a position in Octave Specialty Group in Q4 2013 and held it in 9 quarters.
Acadian Asset Management's Octave Specialty Group position peaked at $3.22M in Q2 2015.
148 funds tracked by Wall St. Rank held Octave Specialty Group as of Q2 2026.

Based on Acadian Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.