WB
Warren E Buffett (10% owner) filed 1 Form 4 report in the trailing twelve months (0 purchases, 1 sale), most often in DaVita Inc. (DVA). The largest single filing was $199.9M of DVA (1,658,480 sh × $120.56, as filed), executed Jan 29. Data as of Nov 8 2026.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
1
0 buys · 1 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$199.9M
shares × price, as filed
Last traded
Jan 29
Filed Feb 2
Median ADV $209.6M across their filed names
Open performance→Volume by month
Buys $490.3M
Sells $343.7M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Healthcare
1 filing
Sector per market data · by filing · past 12 months
Most traded names
DVARecent filings
DVASALE
DaVita Inc.
View filing →
$199.9M1,658,480 sh × $120.56
Exec Jan 29
Filed Feb 2 · 5:30 PM ET DVASALE DaVita Inc. View filing → $27.8M
200,000 sh across 8 lots
Exec May 22 2025
Filed May 27 2025 · 5:30 PM ET DVASALE DaVita Inc. View filing → $116.0M
749,800 sh across 17 lots
Exec Feb 14 2025
Filed Feb 19 2025 · 5:30 PM ET OXYPURCHASE Occidental Petroleum Corporation View filing → $35.7M
763,017 sh × $46.82
Exec Feb 7 2025
Filed Feb 11 2025 · 5:30 PM ET OXYPURCHASE Occidental Petroleum Corporation View filing → $409.2M
8,896,890 sh across 5 lots
Exec Dec 17 2024
Filed Dec 19 2024 · 5:30 PM ET VRSNPURCHASE VeriSign, Inc. View filing → $45.4M
234,312 sh across 12 lots
Exec Dec 17 2024
Filed Dec 19 2024 · 5:30 PM ET SIRIPURCHASE Sirius XM Holdings Inc. View filing → $60.7M
2,227,939 sh across 3 lots
Exec Oct 29 2024
Filed Oct 31 2024 · 5:30 PM ET