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Insight Advisors’s Berkshire Hathaway Class B BRK.B Stock Holding History

Insight Advisors’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
Q1 		– Sell
-5,400
Closed -$2.45M – 286
2024
Q4 		$2.45M Hold
5,400
– – 0.41% 39
2024
Q3 		$2.49M Hold
5,400
– – 0.43% 39
2024
Q2 		$2.2M Buy
+5,400
New +$2.21M 0.4% 43

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

Insight Advisors's BRK.B Position: Q1 2026 in Review

Insight Advisors reduced its Berkshire Hathaway Class B (BRK.B) stake by 2% in Q1 2026, selling an estimated $81K and leaving 7,977 shares worth $3.82M. The position accounts for 0.73% of the portfolio, ranked #19.

Insight Advisors first reported a position in BRK.B in Q4 2020 and has held it in 22 quarters since. The position peaked at $4.38M in Q1 2025. 4,852 funds tracked by Wall St. Rank hold BRK.B as of Q1 2026.

  • Insight Advisors held 7,977 shares of Berkshire Hathaway Class B worth $3.82M as of Q1 2026.
  • Insight Advisors sold 165 Berkshire Hathaway Class B shares in Q1 2026, an estimated $81K.
  • Berkshire Hathaway Class B made up 0.73% of Insight Advisors's portfolio in Q1 2026, its #19 holding.
  • Insight Advisors first reported a position in Berkshire Hathaway Class B in Q4 2020 and has held it in 22 quarters since.
  • Insight Advisors's Berkshire Hathaway Class B position peaked at $4.38M in Q1 2025.
  • 4,852 funds tracked by Wall St. Rank held Berkshire Hathaway Class B as of Q1 2026.

Based on Insight Advisors's 13F filing for Q1 2026, filed 12 May 2026.