Ticker · CUSIP 047726302
Holders (tracked)
11
Combined shares
4,241,799
Combined value
$165.64M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
SEC event timeline
18 events
- +484,000 shares · 2025Q413F
- D.E. Shaw & Co. trimmed2026-02-17−118,771 shares · 2025Q413F
- −108,217 shares · 2025Q413F
- Ken Griffin (Citadel Advisors) added2026-02-17+60,740 shares · 2025Q413F
- AQR Capital Management added2026-02-17+3,575 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−144,787 shares · 2025Q413F
- T. Rowe Price added2026-02-17+7,387 shares · 2025Q413F
- Wellington Management trimmed2026-02-17−605,160 shares · 2025Q413F
- Renaissance Technologies trimmed2026-02-12−337,179 shares · 2025Q413F
- Mario Gabelli (GAMCO) trimmed2026-02-05−4,778 shares · 2025Q413F
- −540,320 shares · 2025Q313F
- D.E. Shaw & Co. added2025-11-14+73,865 shares · 2025Q313F
- T. Rowe Price added2025-11-14+1,650 shares · 2025Q313F
- Wellington Management trimmed2025-11-14−83,061 shares · 2025Q313F
- AQR Capital Management added2025-11-14+5,849 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) added2025-11-14+200,555 shares · 2025Q313F
- Renaissance Technologies added2025-11-13+384,741 shares · 2025Q313F
- Mario Gabelli (GAMCO) trimmed2025-11-12−66,285 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 positions1
- Paul Tudor Jones (Tudor Investment)+484,000$19.1M
Added to3
- Ken Griffin (Citadel Advisors)+60,740$2.4M
- AQR Capital Management+3,575$141K
- T. Rowe Price+7,387$291
Trimmed6
- Wellington Management−605,160$23.9M
- Renaissance Technologies−337,179$13.3M
- Izzy Englander (Millennium Mgmt)−144,787$5.7M
- D.E. Shaw & Co.−118,771$4.7M
- Warren Buffett (Berkshire Hathaway)−108,217$4.3M
- Mario Gabelli (GAMCO)−4,778$188K
Exited0
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Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2023Q3 | 15 | $276.7M |
| 2023Q4 | 14 | $270.1M |
| 2024Q1 | 12 | $296.3M |
| 2024Q2 | 13 | $315.3M |
| 2024Q3 | 12 | $172.0M |
| 2024Q4 | 10 | $137.4M |
| 2025Q1 | 12 | $192.5M |
| 2025Q2 | 12 | $239.9M |
| 2025Q3 | 10 | $206.7M |
| 2025Q4 | 11 | $165.6M |
Who owns BATRK
11 super-investors · 2025Q4
Tracked stake
4.24M
shares
Combined value
$166M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added3Trim6Held1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Mario Gabelli GAMCO | 1.38M | $54M |
| 2 | Wellington Management | 742.7K | $29M |
| 3 | Southeastern Asset Longleaf | 671.0K | $26M |
| 4 | Paul Tudor Jones Tudor Investment | 484.0K | $19M |
| 5 | Izzy Englander Millennium Mgmt | 350.1K | $14M |
| 6 | Renaissance Technologies | 240.2K | $9M |
| 7 | Ken Griffin Citadel Advisors | 135.7K | $5M |
| 8 | Warren Buffett Berkshire Hathaway | 115.4K | $5M |
| 9 | D.E. Shaw & Co. | 53.6K | $2M |
| 10 | AQR Capital Management | 25.0K | $985K |
| 11 | T. Rowe Price | 43.1K | $2K |
Recent moves
20 transactions
- −605,160 · 2025Q4
- −144,787 · 2025Q4
- +60,740 · 2025Q4
- +3,575 · 2025Q4
- −108,217 · 2025Q4
- +7,387 · 2025Q4
- TRIMD.E. Shaw & Co.−118,771 · 2025Q4
- +484,000 · 2025Q4
- −337,179 · 2025Q4
- −4,778 · 2025Q4
- −540,320 · 2025Q3
- +5,849 · 2025Q3
- +1,650 · 2025Q3
- +73,865 · 2025Q3
- −83,061 · 2025Q3
- +200,555 · 2025Q3
- +384,741 · 2025Q3
- −66,285 · 2025Q3
- −223,645 · 2025Q1
- +223,645 · 2025Q2
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