Twin Tree Management
BRK.B icon

Twin Tree Management’s Berkshire Hathaway Class B BRK.B Stock Holding History

Twin Tree 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
2026
Q1 		$30.5M Sell
63,700
-14,700
-19% -$7.22M 0.64% 17
2025
Q4 		$39.4M Buy
78,400
+40,400
+106% +$20.1M 0.34% 38
2025
Q3 		$19.1M Sell
38,000
-394,400
-91% -$191M 0.08% 297
2025
Q2 		$210M Sell
432,400
-34,800
-7% -$17.7M 0.39% 29
2025
Q1 		$249M Sell
467,200
-54,200
-10% -$26.3M 0.47% 19
2024
Q4 		$236M Buy
521,400
+62,200
+14% +$28.7M 0.42% 40
2024
Q3 		$211M Buy
459,200
+15,800
+4% +$6.99M 0.41% 35
2024
Q2 		$180M Buy
443,400
+372,400
+525% +$152M 0.41% 39
2024
Q1 		$29.9M Sell
71,000
-71,200
-50% -$28M 0.07% 306
2023
Q4 		$50.7M Sell
142,200
-192,600
-58% -$67.6M 0.1% 201
2023
Q3 		$117M Sell
334,800
-869,100
-72% -$308M 0.26% 62
2023
Q2 		$411M Sell
1,203,900
-168,700
-12% -$55.1M 0.63% 27
2023
Q1 		$424M Buy
1,372,600
+466,400
+51% +$144M 0.79% 15
2022
Q4 		$280M Buy
906,200
+195,900
+28% +$58.2M 0.61% 17
2022
Q3 		$190M Buy
+710,300
New +$202M 0.36% 29
2022
Q1 		– Sell
-174,100
Closed -$52.1M – 1634
2021
Q4 		$52.1M Sell
174,100
-23,500
-12% -$6.73M 0.11% 158
2021
Q3 		$53.9M Buy
197,600
+87,500
+79% +$24.6M 0.12% 156
2021
Q2 		$30.6M Buy
110,100
+73,400
+200% +$20.5M 0.08% 240
2021
Q1 		$9.38M Sell
36,700
-345,100
-90% -$83.8M 0.04% 470
2020
Q4 		$88.5M Sell
381,800
-694,700
-65% -$153M 0.35% 53
2020
Q3 		$229M Buy
1,076,500
+501,100
+87% +$103M 0.94% 10
2020
Q2 		$103M Buy
575,400
+544,100
+1,738% +$99.4M 0.42% 30
2020
Q1 		$5.72M Sell
31,300
-168,800
-84% -$35.9M 0.03% 452
2019
Q4 		$45.3M Sell
200,100
-99,900
-33% -$21.7M 0.16% 106
2019
Q3 		$62.4M Sell
300,000
-503,800
-63% -$104M 0.25% 63
2019
Q2 		$171M Buy
803,800
+377,500
+89% +$78.1M 0.84% 16
2019
Q1 		$85.6M Sell
426,300
-127,000
-23% -$25.6M 0.44% 39
2018
Q4 		$113M Sell
553,300
-416,600
-43% -$87M 0.7% 12
2018
Q3 		$208M Buy
969,900
+659,400
+212% +$135M 1.41% 7
2018
Q2 		$58M Sell
310,500
-210,000
-40% -$40.9M 0.36% 41
2018
Q1 		$104M Buy
+520,500
New +$107M 0.83% 15
2017
Q1 		– Sell
-39,800
Closed -$6.49M – 1028
2016
Q4 		$6.49M Sell
39,800
-19,800
-33% -$3.05M 0.06% 329
2016
Q3 		$8.61M Sell
59,600
-167,300
-74% -$24.5M 0.11% 186
2016
Q2 		$32.9M Buy
226,900
+85,500
+60% +$12.2M 0.51% 25
2016
Q1 		$20.1M Buy
141,400
+15,400
+12% +$2.04M 0.38% 42
2015
Q4 		$16.6M Buy
126,000
+43,100
+52% +$5.78M 0.33% 45
2015
Q3 		$10.8M Sell
82,900
-54,200
-40% -$7.43M 0.28% 47
2015
Q2 		$18.7M Buy
137,100
+52,400
+62% +$7.47M 0.45% 28
2015
Q1 		$12.2M Sell
84,700
-47,400
-36% -$6.97M 0.31% 53
2014
Q4 		$19.8M Sell
132,100
-136,000
-51% -$19.6M 0.55% 18
2014
Q3 		$37M Buy
268,100
+80,600
+43% +$10.7M 0.98% 7
2014
Q2 		$23.7M Sell
187,500
-2,800
-1% -$354K 0.53% 14
2014
Q1 		$23.8M Buy
190,300
+57,700
+44% +$6.74M 0.48% 13
2013
Q4 		$15.7M Buy
132,600
+56,600
+74% +$6.54M 0.38% 26
2013
Q3 		$8.63M Sell
76,000
-11,000
-13% -$1.27M 0.29% 36
2013
Q2 		$9.74M Buy
+87,000
New +$9.57M 0.38% 22

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

Twin Tree Management's BRK.B Position: Q1 2026 in Review

Twin Tree Management opened a new position in Berkshire Hathaway Class B (BRK.B) in Q1 2026: 8,980 shares worth $4.3M. The stake represents 0.09% of the portfolio and ranks #250 among its holdings. This is a return to the name: Twin Tree Management previously reported a position in BRK.B as recently as Q2 2025.

Twin Tree Management first reported a position in BRK.B in Q2 2013 and has held it in 40 quarters since. The position peaked at $40.6M in Q1 2022. 4,852 funds tracked by Wall St. Rank hold BRK.B as of Q1 2026.

  • Twin Tree Management held 8,980 shares of Berkshire Hathaway Class B worth $4.3M as of Q1 2026.
  • Berkshire Hathaway Class B was a new Twin Tree Management position in Q1 2026.
  • Berkshire Hathaway Class B made up 0.09% of Twin Tree Management's portfolio in Q1 2026, its #250 holding.
  • Twin Tree Management first reported a position in Berkshire Hathaway Class B in Q2 2013 and has held it in 40 quarters since.
  • Twin Tree Management's Berkshire Hathaway Class B position peaked at $40.6M in Q1 2022.
  • 4,852 funds tracked by Wall St. Rank held Berkshire Hathaway Class B as of Q1 2026.

Based on Twin Tree Management's 13F filing for Q1 2026, filed 14 May 2026.