Ticker · CUSIP 084670702
Holders (tracked)
36
Combined shares
34,376,208
Combined value
$12.34B
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+6 vs previous quarter over the last 8.
SEC event timeline
30 events
- Bruce Berkowitz (Fairholme) trimmed2026-02-17−425 shares · 2025Q413F
- Ken Griffin (Citadel Advisors) added2026-02-17+599,567 shares · 2025Q413F
- D.E. Shaw & Co. trimmed2026-02-17−143,557 shares · 2025Q413F
- Two Sigma Investments added2026-02-17+53,058 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−448,282 shares · 2025Q413F
- T. Rowe Price trimmed2026-02-17−337,892 shares · 2025Q413F
- +50,076 shares · 2025Q413F
- Steve Cohen (Point72) trimmed2026-02-17−10,145 shares · 2025Q413F
- Wellington Management trimmed2026-02-17−83,440 shares · 2025Q413F
- Boykin Curry (Eagle Capital) trimmed2026-02-17−53 shares · 2025Q413F
- Jeremy Grantham (GMO) trimmed2026-02-17−4,352 shares · 2025Q413F
- Bill Nygren (Harris / Oakmark) trimmed2026-02-17−1,047 shares · 2025Q413F
- AQR Capital Management added2026-02-17+208,864 shares · 2025Q413F
- −6,446 shares · 2025Q413F
- Chuck Akre (Akre Capital) trimmed2026-02-13−2,083 shares · 2025Q413F
- Renaissance Technologies added2026-02-12+249,133 shares · 2025Q413F
- Norges Bank (Norway SWF) opened position2026-02-10+8,464,122 shares · 2025Q413F
- Ken Fisher (Fisher Asset Mgmt) added2026-02-09+2,727 shares · 2025Q413F
- Mario Gabelli (GAMCO) added2026-02-05+816 shares · 2025Q413F
- First Eagle Investment Management added2026-02-04+36,567 shares · 2025Q413F
- −105,738 shares · 2025Q313F
- D.E. Shaw & Co. added2025-11-14+64,391 shares · 2025Q313F
- Bruce Berkowitz (Fairholme) trimmed2025-11-14−160 shares · 2025Q313F
- Bill Nygren (Harris / Oakmark) trimmed2025-11-14−653 shares · 2025Q313F
- Steve Cohen (Point72) opened position2025-11-14+16,240 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) added2025-11-14+511,207 shares · 2025Q313F
- Wellington Management trimmed2025-11-14−227,164 shares · 2025Q313F
- AQR Capital Management added2025-11-14+374,455 shares · 2025Q313F
- −4,289 shares · 2025Q313F
- T. Rowe Price trimmed2025-11-14−33,183 shares · 2025Q313F
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions2
- Norges Bank (Norway SWF)+8,464,122$4.25B
- Paul Tudor Jones (Tudor Investment)+50,076$25.2M
Added to7
- Ken Griffin (Citadel Advisors)+599,567$301.4M
- Renaissance Technologies+249,133$125.2M
- AQR Capital Management+208,864$105.0M
- Two Sigma Investments+53,058$26.7M
- First Eagle Investment Management+36,567$18.4M
- Ken Fisher (Fisher Asset Mgmt)+2,727$1.4M
- Mario Gabelli (GAMCO)+816$410K
Trimmed11
- Izzy Englander (Millennium Mgmt)−448,282$225.3M
- D.E. Shaw & Co.−143,557$72.2M
- Wellington Management−83,440$41.9M
- Steve Cohen (Point72)−10,145$5.1M
- Ruane, Cunniff & Goldfarb (Sequoia)−6,446$3.2M
- Jeremy Grantham (GMO)−4,352$2.2M
- Chuck Akre (Akre Capital)−2,083$1.0M
- Bill Nygren (Harris / Oakmark)−1,047$526K
- Bruce Berkowitz (Fairholme)−425$214K
- T. Rowe Price−337,892$170K
- + 1 more…
Exited0
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Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 32 | $2.14T |
| 2022Q2 | 34 | $1.57T |
| 2022Q3 | 33 | $1.88B |
| 2022Q4 | 35 | $39.87B |
| 2023Q1 | 33 | $38.75B |
| 2023Q2 | 33 | $43.02B |
| 2023Q3 | 33 | $44.45B |
| 2023Q4 | 30 | $45.26B |
| 2024Q1 | 31 | $54.65B |
| 2024Q2 | 34 | $53.21B |
| 2024Q3 | 32 | $9.83B |
| 2024Q4 | 32 | $8.41B |
| 2025Q1 | 31 | $7.32B |
| 2025Q2 | 30 | $10.37B |
| 2025Q3 | 30 | $7.64B |
| 2025Q4 | 36 | $12.34B |
Congress members trading this stock
| Date | Member | Type | Amount range | Filing |
|---|---|---|---|---|
| 2026-03-31 | Tina Smith | Sell | $100K – $250K | PDF ↗ |
| 2026-03-25 | Gilbert Cisneros | Sell (P) | $1K – $15K | PDF ↗ |
| 2026-03-16 | Gilbert Cisneros | Sell (P) | $1K – $15K | PDF ↗ |
| 2026-03-16 | Mark Alford | Sell (P) | $1K – $15K | PDF ↗ |
| 2025-12-24 | Gilbert Cisneros | Sell (P) | $1K – $15K | PDF ↗ |
| 2025-11-18 | Gilbert Cisneros | Buy | $1K – $15K | PDF ↗ |
| 2025-11-05 | Richard Dean Dr McCormick | Buy | $1K – $15K | PDF ↗ |
| 2025-10-31 | Lisa McClain | Sell | $1K – $15K | PDF ↗ |
| 2025-10-30 | Lisa McClain | Buy | $1K – $15K | PDF ↗ |
| 2025-10-30 | Lisa McClain | Sell | $1K – $15K | PDF ↗ |
| 2025-10-24 | Marjorie Taylor Greene | Buy | $1K – $15K | PDF ↗ |
| 2025-10-17 | Gilbert Cisneros | Buy | $1K – $15K | PDF ↗ |
Who owns BRK.B
36 super-investors · 2025Q4
Tracked stake
34.38M
shares
Combined value
$12.34B
% of shares outstanding
—
shares-out unknown
Quarter action mix
New4Added11Trim17Held4
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Norges Bank Norway SWF | 8.46M | $4.25B |
| 2 | Ken Griffin Citadel Advisors | 2.87M | $1.44B |
| 3 | AQR Capital Management | 1.67M | $842M |
| 4 | Wellington Management | 1.60M | $805M |
| 5 | Tom Gayner Markel Group | 1.53M | $770M |
| 6 | Ken Griffin Citadel Advisors | 1.16M | $581M |
| 7 | Ken Griffin Citadel Advisors | 1.05M | $526M |
| 8 | Izzy Englander Millennium Mgmt | 992.0K | $499M |
| 9 | Li Lu Himalaya Capital | 897.7K | $451M |
| 10 | D.E. Shaw & Co. | 702.4K | $353M |
| 11 | D.E. Shaw & Co. | 607.6K | $305M |
| 12 | Two Sigma Investments | 432.2K | $217M |
| 13 | Ruane, Cunniff & Goldfarb Sequoia | 316.1K | $159M |
| 14 | Wally Weitz Weitz Investment | 286.9K | $144M |
| 15 | Renaissance Technologies | 252.2K | $127M |
| 16 | Izzy Englander Millennium Mgmt | 252.0K | $127M |
| 17 | Two Sigma Investments | 230.9K | $116M |
| 18 | Two Sigma Investments | 221.1K | $111M |
| 19 | Izzy Englander Millennium Mgmt | 149.9K | $75M |
| 20 | Paul Tudor Jones Tudor Investment | 137.4K | $69M |
| 21 | D.E. Shaw & Co. | 107.2K | $54M |
| 22 | Paul Tudor Jones Tudor Investment | 101.3K | $51M |
| 23 | Steve Cohen Point72 | 87.5K | $44M |
| 24 | Mario Gabelli GAMCO | 84.5K | $42M |
| 25 | First Eagle Investment Management | 51.9K | $26M |
| 26 | Boykin Curry Eagle Capital | 50.8K | $26M |
| 27 | Paul Tudor Jones Tudor Investment | 50.1K | $25M |
| 28 | Bruce Berkowitz Fairholme | 48.0K | $24M |
| 29 | Ken Fisher Fisher Asset Mgmt | 38.2K | $19M |
| 30 | Steve Cohen Point72 | 27.0K | $14M |
| 31 | Bill Nygren Harris / Oakmark | 26.0K | $13M |
| 32 | Chuck Akre Akre Capital | 11.9K | $6M |
| 33 | Dodge & Cox | 11.4K | $6M |
| 34 | T. Rowe Price | 9.85M | $5M |
| 35 | Steve Cohen Point72 | 6.1K | $3M |
| 36 | Jeremy Grantham GMO | 3.7K | $2M |
Recent moves
20 transactions
- −425 · 2025Q4
- −53 · 2025Q4
- TRIMD.E. Shaw & Co.−143,557 · 2025Q4
- −83,440 · 2025Q4
- −4,352 · 2025Q4
- +208,864 · 2025Q4
- −448,282 · 2025Q4
- −1,047 · 2025Q4
- +599,567 · 2025Q4
- TRIMT. Rowe Price−337,892 · 2025Q4
- +53,058 · 2025Q4
- +50,076 · 2025Q4
- −10,145 · 2025Q4
- −6,446 · 2025Q4
- −2,083 · 2025Q4
- +249,133 · 2025Q4
- +8,464,122 · 2025Q4
- +2,727 · 2025Q4
- +816 · 2025Q4
- +36,567 · 2025Q4
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