Greggory Warren, CFA

Volatility isn't always bad, and banks are better off now than they were in the financial crisis.

We are leaving our fair value estimate in place for the wide-moat firm.

We are placing both firms under review while we work things through our models.

The wide-moat firm added to its stake in Occidental Petroleum while whittling its stake in Wells Fargo.

And the three names we believe are best positioned.

Nothing in this quarter's results compels us to revise our long-term views, but we did change some fair value estimates.

We expect to increase our fair value estimate for the wide-moat firm.

Here's what we believe is required for these companies to thrive over the next decade.

We do not anticipate changes to our moat rating or our fair value estimate as a result of the change of leadership.

Insurance gains offset slightly weaker operating results for the wide-moat firm.

Nothing alters our long-term expectations, but we have made some valuation changes.

Positive flows and market gains lift assets under management to a new record.

The stock's the cheapest we can remember seeing in a number of years.

We are leaving our fair value estimate in place for the wide-moat firm.

Wide-moat BlackRock and T. Rowe may not be the cheapest, but they're the best.

Firms face headwinds as balance of power changes toward investors.

Senior equity analyst Gregg Warren asked Buffett and Munger questions during the annual meeting.

First-quarter revenue increased 3.8% to $60.7 billion, more or less in line with our forecast.

Morningstar analyst Gregg Warren comments on its fair value estimate and economic moat.

We expect Warren Buffett and Charlie Munger to comment on succession planning, Kraft Heinz, and what they plan to do with all that cash.

Berkshire Hathaway puts some cash to work with a $10 billion pledge.

The Kraft Heinz impairment and equity market sell-off hurt the wide-moat firm, but we're leaving our fair value estimate in place.

Acquisitions, investments, share repurchases, or dividends are some options.

The firm also increased its stake in JPMorgan Chase and other financials.

With Bill Gross' fund performance faltering again in 2018, we weren't surprised by the announcement and are leaving our fair value estimate in place.

We recommend long-term stock investors focus on quality over price by sticking with BlackRock and T. Rowe Price.

The wide-moat firm reported disappointing earnings, but its AUM numbers were better than expected.

The company's size and scale, strength of brands, and consistent record are strong advantages.

Berkshire holdings Wells Fargo and Goldman Sachs are currently trading at steep enough discounts to recommend.

In a quarter with some surprises, we take a closer look at Berkshire's 3rd-quarter transactions.

The Oracle of Omaha and his lieutenants initiated positions in JPMorgan Chase and Oracle, among others, last quarter.

We are leaving our fair value estimate in place after slightly better than expected results.

With the firms we cover down more than 25% year to date, we think it's best to stick with high quality, wide-moat BlackRock and T. Rowe Price.

Narrow-moat Invesco acquired the firm for $5.7 billion, higher than estimates, to be paid entirely in stock.

It was a solid quarter from the asset manager, and the company is well positioned despite some institutional outflows from riskier asset classes.

U.S. asset managers' valuations are depressed, but we see some opportunity.

With both firms being viewed as average when it comes to performance and product offering, we'd view this as more of a pricey scale move.

We have one upgrade but more downgrades as well as fair value estimate cuts.

The wide-moat firm also purchased additional shares of Goldman Sachs and US Bancorp during the second quarter.

Our fair value estimate for Berkshire is unchanged after earnings were basically in line with our expectations.

Gregg Warren says share repurchases and dividends as the only way for Berkshire to meaningfully reduce its cash balances in the near term.

Wide-moat BlackRock's competitive advantages continue to grow.

The wide-moat firm made large additions to its stakes in Monstanto and Teva Pharmaceuticals and sold a significant slug of Versik Analytics shares.

Analyst Gregg Warren shares his takeaways from the six questions he got to ask Warren Buffett today.

Looking past accounting changes, some weakness at BNSF and the lapping of the AIG retroactive insurance deal penned last year were the major stories in first quarter earnings.

Ahead of this weekend's annual meeting, analyst Gregg Warren provides an update on the firm's performance and valuation.

Ahead of the annual meeting this weekend, analyst Gregg Warren shares what he expects to come up.

Increased volatility and poor equity market performance in the first quarter didn't stop this wide-moat firm from gathering assets.

Invesco still offers the best relative value, but BlackRock is starting to look attractive too.

Hurricanes had a heavy impact on Berkshire’s operating earnings, but book value continued to grow.