Group One Trading
BRK.B icon

Group One Trading’s Berkshire Hathaway Class B BRK.B Stock Holding History

Group One Trading’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 		$39.1M Sell
81,500
-54,100
-40% -$26.6M 0.07% 250
2025
Q4 		$68.2M Buy
135,600
+83,900
+162% +$41.7M 0.12% 147
2025
Q3 		$26M Sell
51,700
-7,100
-12% -$3.44M 0.05% 391
2025
Q2 		$28.6M Sell
58,800
-5,800
-9% -$2.95M 0.06% 299
2025
Q1 		$34.4M Sell
64,600
-65,500
-50% -$31.8M 0.1% 165
2024
Q4 		$59M Buy
+130,100
New +$60.1M 0.14% 111

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

Group One Trading's BRK.B Position: Q1 2026 in Review

Group One Trading opened a new position in Berkshire Hathaway Class B (BRK.B) in Q1 2026: 22,907 shares worth $11M. The stake represents 0.02% of the portfolio and ranks #788 among its holdings. This is a return to the name: Group One Trading previously reported a position in BRK.B as recently as Q3 2025.

Group One Trading first reported a position in BRK.B in Q4 2024 and has held it in 4 quarters since. 4,854 funds tracked by Wall St. Rank hold BRK.B as of Q1 2026.

  • Group One Trading held 22,907 shares of Berkshire Hathaway Class B worth $11M as of Q1 2026.
  • Berkshire Hathaway Class B was a new Group One Trading position in Q1 2026.
  • Berkshire Hathaway Class B made up 0.02% of Group One Trading's portfolio in Q1 2026, its #788 holding.
  • Group One Trading first reported a position in Berkshire Hathaway Class B in Q4 2024 and has held it in 4 quarters since.
  • 4,854 funds tracked by Wall St. Rank held Berkshire Hathaway Class B as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.