Back to Dashboard
BRK.B · Unknown

Berkshire Hathaway Inc Del

USA Unknown Filing: 2026-03-31
65/100
Smart-money confidence1 of 3 sources positive
High confidence

No standout activity across the feeds we track.

Hedge funds
86
Congress
No data
Insiders
No data
Cross-source blend of hedge-fund breadth, Congress trades, and insider Form 4s.  ·  how the score works
Who's behind the signal
Every informed buyer we can see on BRK.B, across all three feeds.
Hedge funds · 14
Soros Fund Management (Soros) New position
Polen Capital Management Increased +4%
Citadel Advisors Increased +14%
Tudor Investment (Paul Tudor Jones) Increased +154%
Millennium Management (Englander) Increased +159%
Gotham Asset Mgmt (Greenblatt) Increased +4%
+8 more in the full breakdown below ↓
Congress · 0
No congressional trades on record.
Insiders
No significant Form 4 insider activity in the window.
Congressional trades · 50 on record
Disclosures from 2021-01-04 to 2025-12-04
Trade date Member Chamber Action Amount
2025-12-04 Mike Collins · R-GA House Bought $50,001 - $100,000
2022-04-01 Josh Gottheimer · D-NJ House Sold $1,001 - $15,000
2022-03-21 Scott Franklin · R-FL House Bought $100,001 - $250,000
2022-03-18 Michael C. Burgess · R-TX House Sold $15,001 - $50,000
2022-02-28 Donald S. Beyer, Jr. · D-VA House Sold $1,001 - $15,000
2022-02-09 Michael C. Burgess · R-TX House Bought $15,001 - $50,000
2022-02-03 Donald S. Beyer, Jr. · D-VA House Bought $1,001 - $15,000
2022-01-28 Donald S. Beyer, Jr. · D-VA House Bought $1,001 - $15,000
2022-01-20 Donald S. Beyer, Jr. · D-VA House Sold $15,001 - $50,000
2021-12-21 Ed Perlmutter · D-CO House Sold $1,001 - $15,000
Show the other 40
Trade date Member Chamber Action Amount
2021-11-15 David Rouzer · R-NC House Sold $1,001 - $15,000
2021-10-29 Donald S. Beyer, Jr. · D-VA House Bought $1,001 - $15,000
2021-10-21 Cynthia Axne · D-IA House Sold $1,001 - $15,000
2021-09-15 Ed Perlmutter · D-CO House Sold $1,001 - $15,000
2021-09-08 Austin Scott · R-GA House Sold $15,001 - $50,000
2021-09-02 Zoe Lofgren · D-CA House Bought $1,001 - $15,000
2021-08-25 Blake D. Moore · R-UT House Bought $1,001 - $15,000
2021-07-19 Blake D. Moore · R-UT House Bought $1,001 - $15,000
2021-07-16 Kathy Castor · D-FL House Bought $1,001 - $15,000
2021-06-25 Kathy Castor · D-FL House Bought $1,001 - $15,000
2021-06-24 Josh Gottheimer · D-NJ House Sold $1,001 - $15,000
2021-06-18 Kathy Castor · D-FL House Bought $1,001 - $15,000
2021-06-16 Ed Perlmutter · D-CO House Bought $1,001 - $15,000
2021-06-14 Kathy Castor · D-FL House Bought $1,001 - $15,000
2021-05-21 Kathy Castor · D-FL House Bought $1,001 - $15,000
2021-05-11 Blake D. Moore · R-UT House Bought $1,001 - $15,000
2021-04-30 Blake D. Moore · R-UT House Bought $1,001 - $15,000
2021-04-14 Kathy Castor · D-FL House Bought $1,001 - $15,000
2021-04-13 Kathy Castor · D-FL House Bought $1,001 - $15,000
2021-04-09 Kathy Castor · D-FL House Bought $1,001 - $15,000
2021-04-01 Deborah K. Ross · D-NC House Bought $15,001 - $50,000
2021-03-31 Kathy Castor · D-FL House Bought $1,001 - $15,000
2021-03-26 Blake D. Moore · R-UT House Bought $1,001 - $15,000
2021-03-24 Mo Brooks · R-AL House Bought $1,001 - $15,000
2021-03-15 Kathy Castor · D-FL House Bought $1,001 - $15,000
2021-03-10 Michael T. McCaul · R-TX House Bought $100,001 - $250,000
2021-03-10 Michael T. McCaul · R-TX House Sold $100,001 - $250,000
2021-03-05 John A. Yarmuth · D-KY House Sold $1,001 - $15,000
2021-03-04 Blake D. Moore · R-UT House Bought $1,001 - $15,000
2021-02-26 Michael T. McCaul · R-TX House Sold $100,001 - $250,000
2021-02-25 Blake D. Moore · R-UT House Bought $1,001 - $15,000
2021-02-24 Blake D. Moore · R-UT House Bought $1,001 - $15,000
2021-02-17 Kathy Castor · D-FL House Bought $1,001 - $15,000
2021-02-16 Peter Meijer · R-MI House Sold $1,001 - $15,000
2021-02-11 Ro Khanna · D-CA House Bought $1,001 - $15,000
2021-02-11 Ro Khanna · D-CA House Bought $15,001 - $50,000
2021-02-01 Kathy Castor · D-FL House Bought $1,001 - $15,000
2021-01-28 Peter Meijer · R-MI House Sold $1,001 - $15,000
2021-01-13 Peter Meijer · R-MI House Bought $1,001 - $15,000
2021-01-04 Chris Jacobs · R-NY House Sold $50,001 - $100,000
14
Investors
1
New positions
5
Increasing
2
Decreasing
6
Unchanged
Price History
Loading price data...
Return: High: Low:
Who's Holding This Stock
Position sizes and recent activity from tracked institutional investors
Soros Fund Management (Soros)
Trust weight: 1.5×
New position
% of portfolio
1.2%
Position change
NEW
1.2% of Soros Fund Management's portfolio
Polen Capital Management
Trust weight: 1.3×
Increased +4%
% of portfolio
1.0%
Position change
+4%
1.0% of Polen Capital Management's portfolio
Citadel Advisors
Trust weight: 1.0×
Increased +14%
% of portfolio
0.4%
Position change
+14%
0.4% of Citadel Advisors's portfolio
Tudor Investment (Paul Tudor Jones)
Trust weight: 1.2×
Increased +154%
% of portfolio
0.3%
Position change
+154%
0.3% of Tudor Investment's portfolio
Millennium Management (Englander)
Trust weight: 1.0×
Increased +159%
% of portfolio
0.2%
Position change
+159%
0.2% of Millennium Management's portfolio
Gotham Asset Mgmt (Greenblatt)
Trust weight: 1.1×
Increased +4%
% of portfolio
0.1%
Position change
+4%
0.1% of Gotham Asset Mgmt's portfolio
Himalaya Capital (Li Lu)
Trust weight: 1.5×
Unchanged
% of portfolio
13.4%
Position change
—
13.4% of Himalaya Capital's portfolio
Markel Group (Tom Gayner)
Trust weight: 1.4×
Unchanged
% of portfolio
5.8%
Position change
—
5.8% of Markel Group's portfolio
Pabrai Investment Funds (Pabrai)
Trust weight: 1.5×
Unchanged
% of portfolio
4.8%
Position change
—
4.8% of Pabrai Investment Funds's portfolio
Tweedy Browne
Trust weight: 1.2×
Unchanged
% of portfolio
3.7%
Position change
—
3.7% of Tweedy Browne's portfolio
Davis Selected Advisers
Trust weight: 1.1×
Unchanged
% of portfolio
1.6%
Position change
—
1.6% of Davis Selected Advisers's portfolio
AQR Capital Management
Trust weight: 1.0×
Unchanged
% of portfolio
0.4%
Position change
—
0.4% of AQR Capital Management's portfolio
D.E. Shaw & Co
Trust weight: 1.0×
Decreased −23%
% of portfolio
0.2%
Position change
−23%
0.2% of D.E. Shaw & Co's portfolio
Akre Capital Management (Akre)
Trust weight: 1.5×
Decreased −13%
% of portfolio
0.1%
Position change
−13%
0.1% of Akre Capital Management's portfolio
Portfolio Allocation
How much of each investor's portfolio is allocated to BERKSHIRE HATHAWAY INC DEL
⚠ Disclaimer: This page is for informational purposes only. Holdings data from SEC EDGAR 13F filings, delayed up to 135 days. Not a recommendation to buy or sell BERKSHIRE HATHAWAY INC DEL or any security.

Get the Weekly Update

Every week, we'll send you what Buffett, Dalio, Ackman and 47 other legendary investors are buying — free, straight from their SEC filings.
Free forever · No spam · Unsubscribe anytime
© 2026 Bogen Capital  ·  Not financial advice  ·  Data delayed up to 135 days Methodology  ·  Contact  ·  API