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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
2026
Q1 		– Sell
-89,400
Closed -$44.9M – 412
2025
Q4 		$44.9M Buy
89,400
+50,200
+128% +$25M 0.99% 24
2025
Q3 		$19.7M Buy
39,200
+7,400
+23% +$3.58M 0.49% 44
2025
Q2 		$15.4M Buy
31,800
+28,000
+737% +$14.2M 0.37% 61
2025
Q1 		$2.02M Sell
3,800
-10,500
-73% -$5.1M 0.06% 278
2024
Q4 		$6.48M Buy
14,300
+9,300
+186% +$4.29M 0.16% 108
2024
Q3 		$2.3M Sell
5,000
-8,800
-64% -$3.89M 0.04% 323
2024
Q2 		$5.61M Buy
+13,800
New +$5.64M 0.12% 171
2024
Q1 		– Sell
-1,000
Closed -$357K – 438
2023
Q4 		$357K Sell
1,000
-2,100
-68% -$737K 0.01% 759
2023
Q3 		$1.09M Sell
3,100
-3,500
-53% -$1.24M 0.01% 593
2023
Q2 		$2.25M Sell
6,600
-4,500
-41% -$1.47M 0.03% 267
2023
Q1 		$3.43M Sell
11,100
-8,800
-44% -$2.71M 0.07% 184
2022
Q4 		$6.15M Sell
19,900
-16,600
-45% -$4.93M 0.14% 80
2022
Q3 		$9.75M Buy
36,500
+13,200
+57% +$3.76M 0.18% 60
2022
Q2 		$6.36M Sell
23,300
-11,600
-33% -$3.64M 0.19% 89
2022
Q1 		$12.3M Sell
34,900
-15,500
-31% -$5.01M 0.43% 31
2021
Q4 		$15.1M Buy
50,400
+21,800
+76% +$6.24M 0.43% 22
2021
Q3 		$7.81M Sell
28,600
-5,800
-17% -$1.63M 0.25% 59
2021
Q2 		$9.56M Buy
34,400
+21,300
+163% +$5.95M 0.39% 39
2021
Q1 		$3.35M Buy
+13,100
New +$3.18M 0.15% 130
2020
Q4 		– Sell
-16,500
Closed -$3.5M – 593
2020
Q3 		$3.5M Buy
16,500
+8,000
+94% +$1.64M 0.29% 74
2020
Q2 		$1.52M Buy
8,500
+4,000
+89% +$730K 0.1% 165
2020
Q1 		$823K Sell
4,500
-27,100
-86% -$5.76M 0.1% 129
2019
Q4 		$7.16M Buy
+31,600
New +$6.86M 0.65% 29

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.