Christopher Bloomstran’s Berkshire Hathaway Class B BRK.B Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$137M Buy
273,145
+20,120
+8% +$9.67M 15.45% 1
2026
Q1
$121M Buy
253,025
+3,814
+2% +$1.87M 14.48% 1
2025
Q4
$125M Sell
249,211
-1,028
-0.4% -$511K 14.41% 1
2025
Q3
$126M Buy
250,239
+3,575
+1% +$1.73M 15.7% 1
2025
Q2
$120M Buy
246,664
+7,315
+3% +$3.72M 16.86% 1
2025
Q1
$127M Buy
239,349
+1,296
+0.5% +$630K 20.55% 1
2024
Q4
$108M Buy
238,053
+233
+0.1% +$108K 19.29% 1
2024
Q3
$109M Buy
237,820
+746
+0.3% +$330K 18.5% 1
2024
Q2
$96.4M Buy
237,074
+5,255
+2% +$2.15M 17.25% 1
2024
Q1
$97.5M Sell
231,819
-1,726
-0.7% -$679K 17.83% 1
2023
Q4
$83.3M Buy
233,545
+2,012
+0.9% +$706K 17.43% 1
2023
Q3
$81.1M Sell
231,533
-2,997
-1% -$1.06M 19.44% 1
2023
Q2
$80M Buy
234,530
+1,367
+0.6% +$446K 18.91% 1
2023
Q1
$72M Buy
233,163
+4,156
+2% +$1.28M 18.43% 1
2022
Q4
$70.7M Buy
229,007
+1,021
+0.4% +$303K 19.26% 1
2022
Q3
$60.9M Buy
227,986
+1,777
+0.8% +$506K 18.41% 1
2022
Q2
$61.8M Buy
226,209
+15,463
+7% +$4.85M 18.3% 1
2022
Q1
$74.4M Sell
210,746
-762
-0.4% -$246K 18.91% 1
2021
Q4
$63.2M Sell
211,508
-6,701
-3% -$1.92M 19.73% 1
2021
Q3
$59.6M Buy
218,209
+12,401
+6% +$3.48M 19.24% 1
2021
Q2
$57.2M Buy
205,808
+6,043
+3% +$1.69M 18.99% 1
2021
Q1
$51M Buy
199,765
+85
+0% +$20.6K 19.26% 1
2020
Q4
$46.3M Sell
199,680
-6,681
-3% -$1.47M 20.25% 1
2020
Q3
$43.9M Sell
206,361
-2,340
-1% -$479K 22.56% 1
2020
Q2
$37.3M Buy
208,701
+4,280
+2% +$782K 21.06% 1
2020
Q1
$37.4M Buy
204,421
+16,650
+9% +$3.54M 23.55% 1
2019
Q4
$42.5M Sell
187,771
-80
-0% -$17.4K 22.85% 1
2019
Q3
$39.1M Buy
187,851
+6,556
+4% +$1.35M 22.38% 1
2019
Q2
$38.6M Hold
181,295
22.9% 1
2019
Q1
$36.4M Buy
181,295
+263
+0.1% +$53.1K 22.37% 1
2018
Q4
$37M Sell
181,032
-3,030
-2% -$633K 23.74% 1
2018
Q3
$39.4M Sell
184,062
-52
-0% -$10.7K 22.73% 1
2018
Q2
$34.4M Buy
184,114
+2,688
+1% +$524K 21.5% 1
2018
Q1
$36.2M Buy
181,426
+2,663
+1% +$547K 25.18% 1
2017
Q4
$35.4M Sell
178,763
-3,375
-2% -$641K 26.53% 1
2017
Q3
$33.4M Hold
182,138
24.69% 1
2017
Q2
$30.8M Sell
182,138
-161
-0.1% -$26.8K 23.7% 1
2017
Q1
$30.4M Sell
182,299
-1,650
-0.9% -$276K 22.69% 1
2016
Q4
$30M Sell
183,949
-4,656
-2% -$717K 22.23% 1
2016
Q3
$27.2M Sell
188,605
-219
-0.1% -$32K 19.76% 1
2016
Q2
$27.3M Buy
188,824
+200
+0.1% +$28.6K 19.82% 1
2016
Q1
$26.8M Buy
188,624
+733
+0.4% +$97.2K 19.19% 1
2015
Q4
$24.8M Sell
187,891
-4,900
-3% -$658K 17.39% 1
2015
Q3
$25.1M Sell
192,791
-4,028
-2% -$552K 17.63% 1
2015
Q2
$26.8M Sell
196,819
-16
-0% -$2.28K 17.93% 1
2015
Q1
$28.4M Buy
196,835
+100
+0.1% +$14.7K 18.47% 1
2014
Q4
$29.5M Sell
196,735
-11,800
-6% -$1.7M 18.88% 1
2014
Q3
$28.8M Sell
208,535
-1,050
-0.5% -$140K 17.67% 1
2014
Q2
$26.5M Sell
209,585
-21,800
-9% -$2.76M 15.58% 1
2014
Q1
$28.9M Sell
231,385
-400
-0.2% -$46.7K 16.66% 1
2013
Q4
$27.5M Sell
231,785
-150
-0.1% -$17.3K 15.62% 2
2013
Q3
$26.3M Hold
231,935
15.61% 1
2013
Q2
$26M Buy
+231,935
New +$25.5M 15.32% 1

Other funds holding BRK.B

Christopher Bloomstran's BRK.B Position: Q2 2026 in Review

Christopher Bloomstran increased its Berkshire Hathaway Class B (BRK.B) stake by 8% in Q2 2026, buying an estimated $9.67M and bringing the position to 273,145 shares worth $137M. The position accounts for 15.45% of the portfolio, ranked #1.

Christopher Bloomstran first reported a position in BRK.B in Q2 2013 and has held it in 53 quarters since. 4,897 funds tracked by Wall St. Rank hold BRK.B as of Q2 2026.

  • Christopher Bloomstran held 273,145 shares of Berkshire Hathaway Class B worth $137M as of Q2 2026.
  • Christopher Bloomstran bought 20,120 Berkshire Hathaway Class B shares in Q2 2026, an estimated $9.67M.
  • Berkshire Hathaway Class B made up 15.45% of Christopher Bloomstran's portfolio in Q2 2026, its #1 holding.
  • Christopher Bloomstran first reported a position in Berkshire Hathaway Class B in Q2 2013 and has held it in 53 quarters since.
  • 4,897 funds tracked by Wall St. Rank held Berkshire Hathaway Class B as of Q2 2026.

Based on Semper Augustus Investments Group's 13F filing for Q2 2026, filed 14 Aug 2026.