$50,000 of BERKSHIRE HATHAWAY ENERGY lobbying was just disclosed, from Q3 of 2026, in a new Lobbying Disclosure Act filing.
This included lobbying on issues like:
"Issues related to IRC code sections 45Y, 48E, and 45X. (H.R. 8780) Issues related to tax treatment for payments to wildfire victims (H.R. 5225, S. 3372, H.R. 5366, H.R. 7825)."
You can find more data on corporate lobbying on Quiver Quantitative.
BRK.B Congressional Stock Trading
Members of Congress have traded $BRK.B stock 13 times in the past 6 months. Of those trades, 10 have been purchases and 3 have been sales.
Here’s a breakdown of recent trading of $BRK.B stock by members of Congress over the last 6 months:
- REPRESENTATIVE MARIA ELVIRA SALAZAR has traded it 4 times. They made 3 purchases worth up to $80,000 on 08/07, 07/28 and 1 sale worth up to $15,000 on 09/24.
- REPRESENTATIVE RICHARD MCCORMICK has traded it 2 times. They made 2 purchases worth up to $30,000 on 09/18, 07/30 and 0 sales.
- SENATOR JERRY MORAN has traded it 5 times. They made 5 purchases worth up to $110,000 on 06/23, 05/27 and 0 sales.
- REPRESENTATIVE JOSH GOTTHEIMER has traded it 2 times. They made 0 purchases and 2 sales worth up to $30,000 on 05/04.
To track congressional stock trading, check out Quiver Quantitative's congressional trading dashboard. You can access data on congressional stock trades through the Quiver Quantitative API Congress trades endpoint.
BRK.B Insider Trading Activity
BRK.B insiders have traded $BRK.B stock on the open market 5 times in the past 6 months. Of those trades, 5 have been purchases and 0 have been sales.
Here’s a breakdown of recent trading of $BRK.B stock by insiders over the last 6 months:
- MICHAEL J. O'SULLIVAN (See Remarks) has made 5 purchases buying 1,024 shares for an estimated $500,617 and 0 sales.
To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.
BRK.B Hedge Fund Activity
We have seen 2,123 institutional investors add shares of BRK.B stock to their portfolio, and 2,111 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- JPMORGAN CHASE & CO added 12,973,252 shares (+inf%) to their portfolio in Q2 2026, for an estimated $6,491,685,568
- SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P. added 11,570,593 shares (+inf%) to their portfolio in Q2 2026, for an estimated $5,789,809,031
- FMR LLC removed 4,553,691 shares (-30.5%) from their portfolio in Q2 2026, for an estimated $2,278,621,439
- CAPITAL WORLD INVESTORS added 2,708,035 shares (+inf%) to their portfolio in Q2 2026, for an estimated $1,355,073,633
- GATES FOUNDATION TRUST removed 2,358,460 shares (-13.8%) from their portfolio in Q2 2026, for an estimated $1,180,149,799
- CURATED WEALTH PARTNERS LLC removed 2,199,400 shares (-99.6%) from their portfolio in Q3 2026, for an estimated $1,095,191,230
- WELLINGTON MANAGEMENT GROUP LLP added 1,972,551 shares (+119.9%) to their portfolio in Q2 2026, for an estimated $987,044,794
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.
