Financials · Fire, Marine & Casualty Insurance

BRK-A Berkshire Hathaway Inc SEC Filings & Insider Trading Activity 2026

company
CIK 1067983132 filings
S&P 500

BRK-A at a glance

Berkshire Hathaway Inc (BRK-A, SEC CIK 1067983) filed its latest 10-K annual report on March 2, 2026, a 10-Q quarterly report on August 10, 2026, an 8-K current report on August 11, 2026 and Form 4 insider filings as recently as September 29, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.

  • For the fiscal year ended December 31, 2025 (FY2025), Berkshire Hathaway Inc (BRK-A) reported revenue of $247.2 billion (down 1.0% from FY2024) and net income of $67.0 billion.
  • As of June 30, 2026, 75 institutional investment managers tracked by SignalX reported holding Berkshire Hathaway Inc (BRK-A) shares worth $252.2 billion in 13F-HR filings.
  • The most recent insider open-market sale reported on Form 4 was by Jain Ajit on September 28, 2026 of 39,700 shares at $503.09 per share.
  • Berkshire Hathaway Inc reported 26 positions worth $299.3 billion in its 13F-HR for Q2 2026, filed August 14, 2026. Its largest holdings were Apple Inc (AAPL) at 22.0%, American Express Co (AXP) at 17.1% and Alphabet Inc (GOOGL) at 12.6%.
  • In the last 90 days, BRK-A insiders reported 3 open-market purchases ($250K) and 1 open-market sale ($20.0M) on Form 4, a net sale of $19.7M.

Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).

Revenue · FY2025
$247.2B
−1.0% vs prior year
Insiders · 90 days
3 buys · 1 sell
Net −$19.7M
13F holders
75 funds
$252.2B · +0 vs prior quarter
Latest 8-K
Aug 11, 2026
Item 2.02

AI 10-K Annual Report Analysis

Latest 10-K, fiscal year ended Dec 31, 2025

Full analysis →

Management Discussion & Analysis

  • Net earnings $67.0B in 2025 vs $89.0B in 2024, decline driven by lower investment gains ($30.7B vs $41.6B) and $8.3B impairment losses on Kraft Heinz and Occidental
  • Operating margin (pre-tax earnings as % of revenues) in Manufacturing, Service & Retailing 8.2% vs 7.8% in 2024; BNSF operating ratio improved to 65.5% from 68.0%
  • Best segment: Manufacturing pre-tax earnings $12.6B, up 5.7% YoY; industrial products margin 18.3% vs 16.8%, Worst: Pilot pre-tax earnings down 69.1% ($424M decline) on lower fuel volumes
  • Operating cash flow $46.0B; capex $20.9B (BNSF + BHE $14.4B); no share repurchases in 2025; cash/T-Bills held $369.0B
  • Key risks: tariff/trade policy uncertainty, rising GEICO claim severities (bodily injury up 12–14%), OBBBA accelerating phase-out of renewable energy tax credits impacting BHE future capex

Business Overview

  • Diversified holding company; insurance (GEICO, BH Reinsurance, BH Primary), BNSF rail, BHE energy, and manufacturing/retail subsidiaries managed on decentralized basis
  • Two notable acquisitions: Bell Laboratories (rodenticides, July 31, 2025) and OxyChem from Occidental Petroleum (closed Jan 2, 2026), adding ~4,000 employees and 21 U.S. manufacturing plants
  • U.S. withdrew from Paris Agreement again (Jan 2025); EPA rescinded 2009 GHG Endangerment Finding (Feb 2026), materially shifting BHE's regulatory environment for coal/gas generation
  • Insurance float grew from ~$138B (end-2020) to ~$176B (end-2025); combined statutory surplus of U.S.-based insurers ~$333B; GEICO held third-largest auto insurance market share at ~11.6%
  • Total workforce ~387,800; Forest River held ~36% RV market share vs largest competitor's ~39%, nearly matching industry leader

Risk Factors

  • Key-person risk: Warren Buffett stepping down; Gregory Abel assumes CEO role January 1, 2026, with full capital allocation responsibility
  • Equity portfolio concentration in few issuers; major decline could impair insurance statutory surplus and claims-paying ratings
  • Unpaid loss reserves $151.8B at December 31, 2025; small percentage increase produces material earnings reduction
  • BNSF revenue exposed to coal transport displacement risk via government energy policy shifts restricting coal as electricity fuel
  • Geopolitical/tariff risk via rising armed conflicts and U.S. trade policy changes threatening supply chains, sales, and securities values

AI summary of the BRK-A 10-K filed . Generated from the filing text; verify against the original.View on SEC EDGARHow to read a 10-K

AI 10-Q Quarterly Report Analysis

Latest 10-Q, quarter ended Jun 30, 2026

Management Discussion & Analysis

  • Risks: market prices, catastrophes, regulation, taxes, economic conditions, and capital-market access

Risk Factors

  • Repurchase liquidity constraint: Berkshire will not repurchase shares if cash, equivalents, and U.S. Treasury Bills fall below $30 billion
  • Capital-allocation risk: June repurchases totaled 413 Class A shares and 7,139,881 Class B shares
  • Regulatory compliance risk: Mine-safety violations and related legal matters reported under Dodd-Frank Section 1503(a)
  • Insider-trading compliance: No directors or executive officers adopted or terminated Rule 10b5-1 arrangements during second quarter 2026

AI summary of the BRK-A 10-Q filed . Generated from the filing text; verify against the original.View on SEC EDGAR10-K vs 10-Q vs 8-K

AI 8-K Current Report Analysis

The most recent material events, by 8-K item

Filed Aug 11, 2026Full analysis →

Item 2.02: Results of Operations and Financial Condition

  • Berkshire Hathaway announced earnings for Q2 and first six months ended June 30, 2026
  • Detailed financial results and management commentary available in the furnished press release exhibit

Item EX-99.1: Item EX-99.1

  • Q2 operating earnings $12.983B, up from $11.160B; six-month earnings $24.329B versus $20.801B
  • Manufacturing, services and retailing led growth, with Q2 earnings $4.470B versus $3.601B
Filed May 7, 2026Full analysis →

Item 2.02: Results of Operations and Financial Condition

  • Berkshire announced first-quarter earnings for the period ended March 31, 2026
  • Earnings details are contained in Exhibit 99.1, the attached press release

Item 5.02: Departure/Appointment of Directors or Principal Officers

  • Charles C. Chang succeeds Marc D. Hamburg as Berkshire CFO on June 1, 2026
  • Chang’s annual cash salary set at $8,000,000

Item 5.03: Amendments to Articles of Incorporation or Bylaws

  • Board-approved bylaw restatement effective May 3, 2026
  • Officer roles and responsibilities aligned with Berkshire’s current operating structure

Item 5.07: Submission of Matters to a Vote of Security Holders

  • All 13 director nominees elected, including Gregory Abel and Warren Buffett
  • Executive compensation advisory vote approved, with 403,351 votes for versus 30,251 against
Filed Apr 16, 2026Full analysis →

Item 8.01: Other Events

  • ¥265.3B aggregate principal issued across four yen-denominated senior-note tranches maturing 2029–2036
  • ¥7B aggregate principal issued across 2041 and 2056 senior-note tranches

AI summaries of BRK-A 8-K current reports filed with the SEC. What 8-K item codes mean

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Recent Insider Transactions (Form 4)

Latest reported trades by officers, directors and 10% owners

InsiderTypeDatePrice
Jain AjitSellSep 28, 2026$503.09
Jain AjitGSep 3, 2026-
O'Sullivan Michael J.BuyAug 12, 2026$510.64
O'Sullivan Michael J.BuyAug 12, 2026$513.61
Chang Charles CBuyAug 12, 2026$765184.18
O'Sullivan Michael J.BuyAug 12, 2026$512.52
Chang Charles CBuyAug 12, 2026$765189.94
BUFFETT WARREN EGJul 14, 2026-

Financial Summary
XBRL

Annual financial summary from SEC XBRL data
MetricFY2023FY2024FY2025
Profitability
Revenue$254.9B$249.7B$247.2B
Net Income$96.2B$89.0B$67.0B
Net Margin37.7%35.6%27.1%
Balance Sheet
Total Assets$1.1T$1.2T$1.2T
Equity$561.3B$649.4B$717.4B
ROE17.1%13.7%9.3%
Cash Flow
Operating CF$49.2B$30.6B$46.0B
CapEx$19.4B$19.0B$20.9B

Source: XBRL data in Berkshire Hathaway Inc (BRK-A)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →

13F Fund Holdings: Quarterly Trend

Latest: Q2 2026

Aggregate BRK-A share value held by 13F filers tracked by SignalX, by quarter.

Quarterly totals table
BRK-A shares held by 13F filers tracked by SignalX, by quarter
QuarterFundsTotal value
Q2 202675$252.23B
Q1 202675$243.61B
Q4 202572$262.51B
Q3 202574$264.76B
Q2 202573$250.61B
Q1 202570$206.16B
Q4 202465$145.07B
Q3 202462$73.14B
Position changes: Q1 2026 → Q2 2026
Top Buyers
Top Sellers
New Positions
None this quarter.
Closed Positions
None this quarter.

Source: 13F-HR filings on SEC EDGAR (aggregated from 566 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work

Berkshire Hathaway Inc top 13F holdings, Q2 2026

Largest reported positions by market value, from the 13F-HR filed Aug 14, 2026

Berkshire Hathaway Inc 13F holdings for Q2 2026
#CompanyWeightValueSharesvs Q1 2026
1Apple IncAAPL22.04%$66.0B227,917,808Held
2American Express CoAXP17.14%$51.3B151,610,700Held
3Alphabet IncGOOGL12.62%$37.8B105,979,600Added
4Coca Cola CoKO10.86%$32.5B400,000,000Held
5Bank of Amer CorpBAC9.20%$27.5B483,394,015Trimmed
6Chevron CorporationCVX4.67%$14.0B84,375,856Held
7Occidental Pete CorpOXY4.30%$12.9B264,941,431Held
8Chubb LimitedCB3.90%$11.7B34,249,183Held
9Moodys CorpMCO3.73%$11.2B24,669,778Held
10Kraft Heinz CoKHC2.57%$7.7B325,634,818Held
11Davita IncDVA2.15%$6.4B28,880,209Held
12Delta Air Lines IncDAL1.79%$5.4B57,320,000Added
13Siriusxm Holdings IncSIRI1.23%$3.7B124,807,117Held
14Verisign IncVRSN0.76%$2.3B8,989,880Held
15Kroger CoKR0.72%$2.2B39,000,000Trimmed
16Liberty Live Holdings IncLLYVK0.54%$1.6B15,573,731Held
17Ally Finl IncALLY0.41%$1.2B27,000,000Trimmed
18Lennar CorpLEN0.41%$1.2B13,409,858Added
19New York Times Co Mtn BeNYT0.37%$1.1B15,700,000Held
20Capital One Finl CorpCOF0.20%$601.9M3,000,000Trimmed

Source: Berkshire Hathaway Inc 13F-HR on SEC EDGAR. Long equity positions only (put and call options excluded); weights are shares of the reported 13F portfolio, not total assets. How 13F filings work

Berkshire Hathaway Inc biggest buys and sells, Q2 2026

Largest estimated position changes versus Q1 2026

Berkshire Hathaway Inc largest 13F position changes in Q2 2026
CompanyMoveEst. flowShares nowWeight now
Alphabet IncGOOGLAdded+$17.2B105,979,60012.62%
Bank of Amer CorpBACTrimmed−$1.7B483,394,0159.20%
Delta Air Lines IncDALAdded+$1.6B57,320,0001.79%
Capital One Finl CorpCOFTrimmed−$832.6M3,000,0000.20%
Kroger CoKRTrimmed−$610.8M39,000,0000.72%
Nucor CorpNUETrimmed−$456.5M1,857,7520.14%
Lennar CorpLENAdded+$277.9M13,409,8580.41%
Macys IncMAdded+$101.5M7,347,4260.06%
Constellation Brands IncSTZSold out−$94.9M0-
Ally Finl IncALLYTrimmed−$91.9M27,000,0000.41%
D R Horton IncDHINew+$581K3,5640.00%

Estimated flow = change in share count × quarter-end price (1 new, 4 added, 5 trimmed, 1 sold out). 13F reports show holdings on the last day of the quarter, not the trade dates.

BRK-A filing archive

AI analysis pages for each 10-K, 10-Q and 8-K

Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4

FormFiling dateAnalysisSEC
4Sep 29, 2026--
4Sep 4, 2026--
13F-HRAug 14, 2026-
4Aug 13, 2026--
4Aug 13, 2026--
8-KAug 11, 2026Analysis-
10-QAug 10, 2026Analysis
4Jul 15, 2026--
4Jul 2, 2026--
4May 26, 2026-
4May 20, 2026-
4May 18, 2026-
13F-HRMay 15, 2026-
SC 13GMay 15, 2026-
8-KMay 7, 2026Analysis
4May 6, 2026-
10-QMay 4, 2026Analysis
SC 13GApr 29, 2026-
8-KApr 16, 2026Analysis-
4Mar 27, 2026--
4Mar 19, 2026--
8-KMar 5, 2026Analysis-
4Mar 5, 2026--
10-KMar 2, 2026Analysis
8-KMar 2, 2026Analysis-

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BRK-A SEC filings: frequently asked questions

Are BRK-A insiders buying or selling?

In the last 90 days, Berkshire Hathaway Inc (BRK-A) officers, directors and 10% owners reported 3 open-market purchases worth $250,072 by 1 insider and 1 open-market sale worth $20.0 million by 1 insider on Form 4, a net sale of $19.7 million. Many insider sales are pre-planned or for taxes, so purchases usually carry more information.

Which institutions hold BRK-A stock?

As of June 30, 2026, the largest Berkshire Hathaway Inc (BRK-A) holders among the 13F filers tracked by SignalX were BlackRock ($60.6 billion), Vanguard Capital Management LLC ($59.2 billion), State Street Corp ($37.9 billion), Morgan Stanley ($13.3 billion), Vanguard Portfolio Management LLC ($12.2 billion). 13F-HR reports are filed up to 45 days after each quarter ends.

What was BRK-A's revenue in fiscal year 2025?

For the fiscal year ended December 31, 2025 (FY2025), Berkshire Hathaway Inc (BRK-A) reported revenue of $247.2 billion (down 1.0% from FY2024) and net income of $67.0 billion. The figures come from the XBRL data in the 10-K.

What are the main risks in BRK-A's latest 10-K?

In the 10-K filed March 2, 2026, Berkshire Hathaway Inc (BRK-A) flagged: Key-person risk: Warren Buffett stepping down; Gregory Abel assumes CEO role January 1, 2026, with full capital allocation responsibility. Equity portfolio concentration in few issuers; major decline could impair insurance statutory surplus and claims-paying ratings. (AI summary of the Risk Factors section.)

What did BRK-A report in its latest 8-K?

Berkshire Hathaway Inc (BRK-A) filed an 8-K on August 11, 2026 reporting Item 2.02 (Results of Operations and Financial Condition). Berkshire Hathaway announced earnings for Q2 and first six months ended June 30, 2026.

What stocks does Berkshire Hathaway Inc own?

In its 13F-HR for Q2 2026 (filed August 14, 2026), Berkshire Hathaway Inc reported 26 positions worth $299.3 billion. The largest were Apple Inc (AAPL), 22.0%; American Express Co (AXP), 17.1%; Alphabet Inc (GOOGL), 12.6%; Coca Cola Co (KO), 10.9%; Bank of Amer Corp (BAC), 9.2%. The top 10 positions were 91.0% of the portfolio.

What did Berkshire Hathaway Inc buy in Q2 2026?

Compared with Q1 2026, Berkshire Hathaway Inc's largest estimated purchases were Alphabet Inc (GOOGL) (added, about $17.2 billion), Delta Air Lines Inc (DAL) (added, about $1.6 billion), Lennar Corp (LEN) (added, about $277.9 million), Macys Inc (M) (added, about $101.5 million) and D R Horton Inc (DHI) (new position, about $581,000). In total it opened 1 new positions and added to 4. Amounts are estimated from share-count changes at quarter-end prices.

What did Berkshire Hathaway Inc sell in Q2 2026?

Compared with Q1 2026, Berkshire Hathaway Inc's largest estimated sales were Bank of Amer Corp (BAC) (trimmed, about $1.7 billion), Capital One Finl Corp (COF) (trimmed, about $832.6 million), Kroger Co (KR) (trimmed, about $610.8 million), Nucor Corp (NUE) (trimmed, about $456.5 million) and Constellation Brands Inc (STZ) (sold out, about $94.9 million). In total it sold out of 1 positions and trimmed 5.

When does Berkshire Hathaway Inc file 13F reports?

Berkshire Hathaway Inc's latest 13F-HR was filed August 14, 2026 and covers the quarter ended June 30, 2026. 13F-HR reports are due within 45 days of each quarter-end, so the Q3 2026 report is due by November 14, 2026.

What are the latest BRK-A SEC filings?

Berkshire Hathaway Inc (BRK-A) filed its latest 10-K annual report on March 2, 2026, a 10-Q quarterly report on August 10, 2026, an 8-K current report on August 11, 2026 and a Form 4 insider filing on September 29, 2026.

What is BRK-A's SEC CIK number?

Berkshire Hathaway Inc (BRK-A)'s SEC Central Index Key (CIK) is 1067983. EDGAR lists every BRK-A filing under that number.

Ask anything about BRK-A

The research agent reads BRK-A's filings, financials, insider trades and 13F holders, then answers with sources.