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BRK.B icon

Maven Securities’s Berkshire Hathaway Class B BRK.B Stock Holding History

Maven Securities’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
-13,000
Closed -$6.54M – 464
2025
Q3 		$6.54M Buy
13,000
+7,100
+120% +$3.44M 0.16% 129
2025
Q2 		$2.87M Sell
5,900
-3,000
-34% -$1.52M 0.07% 265
2025
Q1 		$4.74M Sell
8,900
-11,000
-55% -$5.35M 0.15% 132
2024
Q4 		$9.02M Buy
19,900
+6,300
+46% +$2.91M 0.22% 83
2024
Q3 		$6.26M Buy
13,600
+5,900
+77% +$2.61M 0.12% 141
2024
Q2 		$3.13M Buy
+7,700
New +$3.15M 0.07% 276
2023
Q4 		– Sell
-4,300
Closed -$1.51M – 945
2023
Q3 		$1.51M Sell
4,300
-5,100
-54% -$1.81M 0.02% 488
2023
Q2 		$3.21M Buy
9,400
+1,100
+13% +$359K 0.05% 189
2023
Q1 		$2.56M Sell
8,300
-8,100
-49% -$2.5M 0.05% 237
2022
Q4 		$5.07M Buy
16,400
+5,400
+49% +$1.6M 0.11% 97
2022
Q3 		$2.94M Sell
11,000
-27,000
-71% -$7.68M 0.05% 215
2022
Q2 		$10.4M Buy
38,000
+26,200
+222% +$8.22M 0.32% 56
2022
Q1 		$4.16M Buy
+11,800
New +$3.82M 0.15% 95
2021
Q2 		– Sell
-2,600
Closed -$664K – 1073
2021
Q1 		$664K Buy
+2,600
New +$631K 0.03% 547
2020
Q4 		– Sell
-4,500
Closed -$956K – 592
2020
Q3 		$956K Buy
4,500
+2,400
+114% +$491K 0.08% 256
2020
Q2 		$375K Sell
2,100
-1,400
-40% -$256K 0.03% 362
2020
Q1 		$640K Sell
3,500
-4,100
-54% -$871K 0.08% 146
2019
Q4 		$1.72M Buy
+7,600
New +$1.65M 0.16% 118

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

Maven Securities's BRK.B Position: Q1 2026 in Review

Maven Securities reduced its Berkshire Hathaway Class B (BRK.B) stake by 11% in Q1 2026, selling an estimated $3.33M and leaving 52,756 shares worth $25.3M. The position accounts for 0.49% of the portfolio, ranked #45.

Maven Securities first reported a position in BRK.B in Q1 2020 and has held it in 16 quarters since. The position peaked at $29.9M in Q4 2025. 4,854 funds tracked by Wall St. Rank hold BRK.B as of Q1 2026.

  • Maven Securities held 52,756 shares of Berkshire Hathaway Class B worth $25.3M as of Q1 2026.
  • Maven Securities sold 6,784 Berkshire Hathaway Class B shares in Q1 2026, an estimated $3.33M.
  • Berkshire Hathaway Class B made up 0.49% of Maven Securities's portfolio in Q1 2026, its #45 holding.
  • Maven Securities first reported a position in Berkshire Hathaway Class B in Q1 2020 and has held it in 16 quarters since.
  • Maven Securities's Berkshire Hathaway Class B position peaked at $29.9M in Q4 2025.
  • 4,854 funds tracked by Wall St. Rank held Berkshire Hathaway Class B as of Q1 2026.

Based on Maven Securities's 13F filing for Q1 2026, filed 15 May 2026.