SB
BRK.B icon

SIG Brokerage’s Berkshire Hathaway Class B BRK.B Stock Holding History

SIG Brokerage’s Portfolio BRK.B Stock Details BRK.B Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$5.75M Buy
12,000
+5,000
+71% +$2.45M 0.15% 121
2025
Q4 		$3.52M Sell
7,000
-1,500
-18% -$746K 0.11% 149
2025
Q3 		$4.27M Buy
8,500
+5,000
+143% +$2.42M 0.12% 142
2025
Q2 		$1.7M Buy
+3,500
New +$1.78M 0.04% 253
2025
Q1 		– Sell
-2,000
Closed -$907K – 559
2024
Q4 		$907K Buy
+2,000
New +$923K 0.05% 242

Other funds holding BRK.B

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Gates Foundation Trust
Gates Foundation Trust Kirkland, Washington $31.7B AUM 20.52% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return