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Miramontes Capital’s Berkshire Hathaway Class B BRK.B Stock Holding History

Miramontes Capital’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
Q2 		$240K Buy
479
+40
+9% +$19.2K 0.07% 126
2026
Q1 		$210K Sell
439
-205
-32% -$101K 0.07% 112
2025
Q4 		$324K Buy
+644
New +$320K 0.11% 93

Other funds holding BRK.B

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
Gates Foundation Trust
Gates Foundation Trust Kirkland, Washington $34.4B AUM 26.34% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return

Miramontes Capital's BRK.B Position: Q2 2026 in Review

Miramontes Capital increased its Berkshire Hathaway Class B (BRK.B) stake by 9.1% in Q2 2026, buying an estimated $19.2K and bringing the position to 479 shares worth $240K. The position accounts for 0.07% of the portfolio, ranked #126.

Miramontes Capital first reported a position in BRK.B in Q4 2025 and has held it in 3 quarters since. The position peaked at $324K in Q4 2025. 4,934 funds tracked by Wall St. Rank hold BRK.B as of Q2 2026.

  • Miramontes Capital held 479 shares of Berkshire Hathaway Class B worth $240K as of Q2 2026.
  • Miramontes Capital bought 40 Berkshire Hathaway Class B shares in Q2 2026, an estimated $19.2K.
  • Berkshire Hathaway Class B made up 0.07% of Miramontes Capital's portfolio in Q2 2026, its #126 holding.
  • Miramontes Capital first reported a position in Berkshire Hathaway Class B in Q4 2025 and has held it in 3 quarters since.
  • Miramontes Capital's Berkshire Hathaway Class B position peaked at $324K in Q4 2025.
  • 4,934 funds tracked by Wall St. Rank held Berkshire Hathaway Class B as of Q2 2026.

Based on Miramontes Capital's 13F filing for Q2 2026, filed 9 Sep 2026.