Osterweis Capital Management’s W.R. Berkley WRB Stock Holding History

Osterweis Capital Management’s Portfolio WRB Stock Details WRB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$447K	Hold	6,331	–	–	0.02%	112
2026 Q1	$420K	Hold	6,331	–	–	0.02%	113
2025 Q4	$444K	Hold	6,331	–	–	0.02%	117
2025 Q3	$485K	Hold	6,331	–	–	0.02%	115
2025 Q2	$465K	Buy	6,331 +1,041	+20%	+$74.6K	0.02%	116
2025 Q1	$376K	Hold	5,290	–	–	0.02%	112
2024 Q4	$310K	Hold	5,290	–	–	0.01%	122
2024 Q3	$300K	Sell	5,290 -1	-0%	-$56	0.02%	124
2024 Q2	$277K	Hold	5,291	–	–	0.01%	124
2024 Q1	$312K	Hold	5,291	–	–	0.02%	115
2023 Q4	$249K	Hold	5,291	–	–	0.02%	119
2023 Q3	$224K	Hold	5,291	–	–	0.02%	124
2023 Q2	$210K	Hold	5,291	–	–	0.01%	132
2023 Q1	$220K	Sell	5,291 -210	-4%	-$9.39K	0.01%	131
2022 Q4	$266K	Hold	5,501	–	–	0.02%	126
2022 Q3	$237K	Hold	5,501	–	–	0.02%	122
2022 Q2	$250K	Sell	5,501 -1	-0%	-$45	0.02%	124
2022 Q1	$244K	Buy	5,502 +1	+0%	+$40	0.01%	135
2021 Q4	$201K	Buy	+5,501	New	+$195K	0.01%	144
2021 Q1	–	Sell	-7,601	Closed	-$224K	–	141
2020 Q4	$224K	Hold	7,601	–	–	0.01%	124
2020 Q3	$207K	Buy	+7,601	New	+$208K	0.01%	113
2020 Q1	–	Sell	-8,692	Closed	-$267K	–	128
2019 Q4	$267K	Hold	8,692	–	–	0.02%	107
2019 Q3	$279K	Buy	8,692 +266	+3%	+$8.31K	0.02%	101
2019 Q2	$247K	Sell	8,426 -1	-0%	-$27	0.02%	100
2019 Q1	$212K	Hold	8,427	–	–	0.01%	105
2018 Q4	$185K	Buy	+8,427	New	+$189K	0.01%	97
2013 Q3	–	Sell	-8,427	Closed	-$102K	–	120
2013 Q2	$102K	Buy	+8,427	New	+$106K	﹤0.01%	88

Other funds holding WRB

MSI

Mitsui Sumitomo Insurance Tokyo, Japan $4.15B AUM

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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

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

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

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Kayne Anderson Rudnick Investment Management Los Angeles, California $32.2B AUM 10.98% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Osterweis Capital Management's WRB Position: Q2 2026 in Review

Osterweis Capital Management held its W.R. Berkley (WRB) position steady in Q2 2026 at 6,331 shares worth $447K. The position accounts for 0.02% of the portfolio, ranked #112.

Osterweis Capital Management first reported a position in WRB in Q2 2013 and has held it in 27 quarters since. The position peaked at $485K in Q3 2025. 949 funds tracked by Wall St. Rank hold WRB as of Q2 2026.

Osterweis Capital Management held 6,331 shares of W.R. Berkley worth $447K as of Q2 2026.
Osterweis Capital Management left its W.R. Berkley share count unchanged in Q2 2026.
W.R. Berkley made up 0.02% of Osterweis Capital Management's portfolio in Q2 2026, its #112 holding.
Osterweis Capital Management first reported a position in W.R. Berkley in Q2 2013 and has held it in 27 quarters since.
Osterweis Capital Management's W.R. Berkley position peaked at $485K in Q3 2025.
949 funds tracked by Wall St. Rank held W.R. Berkley as of Q2 2026.

Based on Osterweis Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.