Greggory Warren, CFA
Greggory Warren, CFA, is a senior equity analyst for Morningstar.
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Berkshire Hathaway 13F: Abel Takes Hard Look at Portfolio; Sales Outweigh Purchases
We think Berkshire Hathaway stock is moderately undervalued.

Berkshire Hathaway: 5 Key Takeaways From the 2026 Annual Meeting
We think Berkshire Hathaway stock is moderately undervalued.

Berkshire Hathaway Earnings: Cash Hits Record USD 380 Billion on Stock Sales and Solid Q1 Results
We think Berkshire Hathaway stock is moderately undervalued.

Berkshire Hathaway: Greg Abel Goes Conservative With His Debut Annual Letter to Shareholders
Abel laid out his thoughts on Berkshire’s past and future.

Berkshire Hathaway Earnings: Cash Hits Record USD 373 Billion on Mostly Solid Results Across the Firm
We think Berkshire Hathaway stock is fairly valued.

Berkshire Hathaway: Apple and BofA Sales Fund Purchases of Chevron, Chubb, NYT, Domino’s, and Lamar
We think Berkshire Hathaway stock is fairly valued.

Brookfield Earnings: Solid Quarter as the Firm Continues to Generate Positive Flows
Brookfield remains the second-largest alternative asset manager in the world.

Berkshire Hathaway: Buffett’s Retirement Does Not Alter Our Outlook for the Company’s Future
We think Berkshire Hathaway stock is fairly valued.

Berkshire Hathaway: Combs’ Departure Leaves Investment Portfolio Duties in Hands of Abel and Others
We think Berkshire Hathaway stock is fairly valued.

Berkshire Hathaway: Apple, Bank of America, and Verisign Sales Offset by Alphabet and Chubb Buys
We think Berkshire Hathaway stock is fairly valued.

Berkshire Hathaway Earnings: Cash Balances Hit USD 358 Billion on Mostly Solid Results Across the Firm
We think Berkshire Hathaway stock is moderately undervalued.

BlackRock Earnings: Market Gains and Inflows Drive AUM and Revenue to Record Highs
We plan to raise our fair value estimate of BlackRock stock.

Berkshire Hathaway Buys UnitedHealth and Reveals Mystery Stocks
Berkshire has been quietly buying D.R. Horton, Lennar, and Nucor.

IGM Financial Earnings: Solid Results from IG Wealth Management and Mackenzie Investments
With the United States and Canada engaged in a trade war, we expect equity and bond market returns to be more volatile.

Berkshire Hathaway Earnings: Solid Insurance Results Continue to Buoy Revenue and Profitability
We think Berkshire stock is slightly undervalued.

AGF Management: Raising Fair Value Estimate on Improved Near-Term Outlook
We see AGF stock as fairly valued.

CI Financial Earnings: Weaker Results Ahead of Market Turmoil and Closing of Mubadala Capital Deal
We’re maintaining our fair value estimate for CI Financial.

After Earnings, Is Berkshire Hathaway Stock a Buy, a Sell, or Fairly Valued?
Looking at a solid core performance, insurance headwinds, and Buffett’s retirement, here’s what we think of Berkshire stock.

Berkshire Hathaway: 5 Key Takeaways From the Annual Meeting
Warren Buffett names Greg Abel as successor, sparking fresh scrutiny of Berkshire’s leadership, cash buildup, and share valuation.

Berkshire Hathaway Earnings: Solid Results Despite Catastrophe Losses and Tariff Uncertainty
Warren Buffett’s company ended the first quarter with a record $333.3 billion in cash and cash equivalents.

After Earnings, Is Berkshire Hathaway Stock a Buy, a Sell, or Fairly Valued?
With strong insurance underwriting and increased T-Bill investment, here’s what we think of Berkshire stock.

Berkshire Hathaway Earnings: Insurance Underwriting and Investment Income Lift Q4 Results
We’re leaving our fair value estimates in place; Berkshire stock looks fairly valued.

Berkshire Hathaway 13F: Adds Domino’s, Reduces Apple, BofA
Warren Buffett vehicle made $95 billion from sales of Apple stock this year.

After Earnings, Is Berkshire Stock a Buy, a Sell, or Fairly Valued?
With increased cash, limited catastrophe losses, and equity selloffs, here’s what we think of Berkshire stock.

Berkshire Hathaway Earnings: Cash Stockpile Hits Record; Share Repurchases Nonexistent
Maintaining our fair value estimate on Berkshire stock.

