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Boothbay Fund Management’s Berkshire Hathaway Class B BRK.B Stock Holding History

Boothbay Fund Management’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
2025
Q4 		– Sell
-400
Closed -$201K – 1992
2025
Q3 		$201K Buy
+400
New +$194K ﹤0.01% 1642
2023
Q1 		– Sell
-1,300
Closed -$375K – 2147
2022
Q4 		$375K Buy
+1,300
New +$386K 0.01% 1291

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

Boothbay Fund Management's BRK.B Position: Q1 2026 in Review

Boothbay Fund Management increased its Berkshire Hathaway Class B (BRK.B) stake by 20% in Q1 2026, buying an estimated $279K and bringing the position to 3,348 shares worth $1.6M. The position accounts for 0.02% of the portfolio, ranked #719.

Boothbay Fund Management first reported a position in BRK.B in Q3 2016 and has held it in 29 quarters since. The position peaked at $2.41M in Q2 2020. 4,855 funds tracked by Wall St. Rank hold BRK.B as of Q1 2026.

  • Boothbay Fund Management held 3,348 shares of Berkshire Hathaway Class B worth $1.6M as of Q1 2026.
  • Boothbay Fund Management bought 568 Berkshire Hathaway Class B shares in Q1 2026, an estimated $279K.
  • Berkshire Hathaway Class B made up 0.02% of Boothbay Fund Management's portfolio in Q1 2026, its #719 holding.
  • Boothbay Fund Management first reported a position in Berkshire Hathaway Class B in Q3 2016 and has held it in 29 quarters since.
  • Boothbay Fund Management's Berkshire Hathaway Class B position peaked at $2.41M in Q2 2020.
  • 4,855 funds tracked by Wall St. Rank held Berkshire Hathaway Class B as of Q1 2026.

Based on Boothbay Fund Management's 13F filing for Q1 2026, filed 15 May 2026.