<div id="readability-page-1">Wall Street is full of well-known money managers capable of spotting a good deal. However, none of these fund managers draws the attention of professional and everyday investors quite like Berkshire Hathaway's (BRK.A 0.07%) (BRK.B -0.07%) billionaire CEO, Warren Buffett. The Oracle of Omaha's fame is a direct reflection of his long-term outperformance of the benchmark S&amp;P 500. Whereas the S&amp;P 500 has delivered a respectable aggregate return, including dividends, of almost 43,000% spanning six decades, Buffett has led his company's Class A shares (BRK.A) to a cumulative return of nearly 5,800,000%! This nearly 20% annualized return over 60 years has some investors mirroring Buffett's buying and selling activity, which can be done fairly easily with Form 13F filings. <div><img src="https://imageproxy.pbkrs.com/https://g.foolcdn.com/image//query-b3A9cmVzaXplJnVybD1odHRwczovL2cuZm9vbGNkbi5jb20vZWRpdG9yaWFsL2ltYWdlcy84Mjk3MDUvYnVmZmV0dDYtdG1mLmpwZyZ3PTcwMA?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" width="700" height="466" original-src="https://imageproxy.pbkrs.com/https://g.foolcdn.com/image//query-b3A9cmVzaXplJnVybD1odHRwczovL2cuZm9vbGNkbi5jb20vZWRpdG9yaWFsL2ltYWdlcy84Mjk3MDUvYnVmZmV0dDYtdG1mLmpwZyZ3PTcwMA"/>Berkshire Hathaway CEO Warren Buffett. Image source: The Motley Fool. </div> A 13F is a required filing no later than 45 calendar days following the end to a quarter (Aug. 14 for the June-ended quarter) for institutional investors with at least $100 million in assets under management. It provides investors with a snapshot of which stocks Wall Street's sharpest money managers have been buying and selling. Berkshire's second-quarter 13F showed that that its billionaire boss is, once again, selling shares of his No. 1 investment holding, Apple (AAPL -0.54%). Meanwhile, he piled into an industry-leading company, which has seen its shares skyrocket almost 48,000% (including dividends) since its initial public offering, for a fourth consecutive quarter. <h2>Billionaire Warren Buffett has sold more than 635 million shares of Apple since mid-2023</h2> At the midpoint of 2023, Berkshire Hathaway's stake in Apple stood at 915,560,382 shares, which was nearing almost 50% of the value of the investment portfolio Buffett oversees. Apple checked all the right boxes for the Oracle of Omaha: <ul> <li>Its customer base is highly loyal to the brand, which means they're willing upgrade their devices regularly and are relatively price agnostic. While Buffett may not understand much about how iPhones work, he has a solid understanding of consumer buying habits.</li> <li>It has a trusted management team, led by CEO Tim Cook. For years, Cook has been overseeing his company's steady transition toward a services-based model. Subscriptions will only enhance brand loyalty and should have a positive long-term impact on the company's operating margin.</li> <li>It sports the biggest capital-return program on the planet. Since initiating a share repurchase program in 2013, Apple has spent $796.3 billion to buy back its stock. In turn, its outstanding share count has declined by 43.6%, which has provided an undeniable boost to its earnings per share (EPS).</li> </ul> Despite checking all the right boxes, Buffett has sold 635,560,382 shares of Apple, representing 69% of Berkshire's position, over the trailing-two-year period (ended June 30). That includes another 20 million shares during the most recent quarter. Some of this selling activity may represent nothing more than simple profit-taking. During Berkshire Hathaway's annual shareholder meeting in May 2024, Buffett opined that investors would appreciate seeing his company lock in gains while the peak corporate income tax rate was historically low. He specifically referenced Apple when making these comments. But it's also possible that more nefarious factors are behind the somewhat persistent disposition of Apple stock. Arguably the biggest issue with Apple is that its growth engine stalled for three years. Although service segment sales have continued to grow by a low-double-digit percentage, physical device sales have struggled until recently. When Buffett began buying Apple stock in the first quarter of 2016, its shares were regularly trading at a trailing-12-month (TTM) EPS multiple ranging from 10 to 15. As of the closing bell on Aug. 15, Apple's TTM earnings multiple was approximately 35. Berkshire's billionaire boss is a big-time value investor, and it's becoming difficult to justify owning Apple at a multiple of 35 times EPS when its physical device sales haven't been growing. This may explain why Buffett has been liberal with sell button for Berkshire Hathaway's No. 1 holding. <div><img src="https://imageproxy.pbkrs.com/https://g.foolcdn.com/image//query-b3A9cmVzaXplJnVybD1odHRwczovL2cuZm9vbGNkbi5jb20vZWRpdG9yaWFsL2ltYWdlcy84Mjk3MDUvc3RvcHdhdGNoLXNlY29uZC1oYW5kLXRpbWUtdG8tYnV5LWludmVzdC1zdG9jay1tYXJrZXQtZ2V0dHkuanBnJnc9NzAw?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" width="700" height="467" original-src="https://imageproxy.pbkrs.com/https://g.foolcdn.com/image//query-b3A9cmVzaXplJnVybD1odHRwczovL2cuZm9vbGNkbi5jb20vZWRpdG9yaWFsL2ltYWdlcy84Mjk3MDUvc3RvcHdhdGNoLXNlY29uZC1oYW5kLXRpbWUtdG8tYnV5LWludmVzdC1zdG9jay1tYXJrZXQtZ2V0dHkuanBnJnc9NzAw"/>Image source: Getty Images. </div> <h2>This nearly 48,000%-gainer has been purchased by Berkshire's billionaire boss for four straight quarters</h2> Selling stocks has been something of the norm for the Oracle of Omaha of late. Based on Berkshire Hathaway's quarterly operating results, he's overseen the sale of more stock than has been purchased for 11 consecutive quarters, to the tune of $177.4 billion. Apple represents a significant portion of this $177 billion-plus in net-selling activity. But there have been some sporadic bouts of buying over the past year. More specifically, Berkshire's billionaire chief has been a buyer of pool supplies and related equipment distributor Pool Corp. (POOL -2.05%) for four consecutive quarters: <ul> <li>Q3 2024: 404,057 shares purchased</li> <li>Q4 2024: 194,632 shares purchased</li> <li>Q1 2025: 865,311 shares purchased</li> <li>Q2 2025: 1,994,885 shares purchased (3,458,885 total shares held)</li> </ul> Following two straight quarters of more than doubling Berkshire's stake in Pool Corp., Buffett's company now holds a 9.3% stake. Pool Corp. speaks to Buffett's long-term ethos. He's angled his acquired assets and Berkshire's $295 billion investment portfolio to take full advantage of the nonlinearity of economic cycles. Buffett understands that recessions and stock market corrections are inevitable but recognizes the U.S. economy spends a disproportionate length of time expanding, relative to contracting. A company tied to pool installation and maintenance is going to logically benefit from these long-winded periods of expansion. Along these same lines, Pool Corp. generates a significant percentage of its revenue from recurring streams. Once a homeowner puts in a pool, demand for maintenance or repair products tends to be relatively steady, both from homeowners and pool technicians. Berkshire's billionaire investor is likely also a fan of Pool's capital-return program. Although nothing matches Apple, Pool is allotting a sizable percentage of cash for its shareholders. Through the first six months of 2025, it's spent north of $252 million, combined, repurchasing its stock and parsing out dividend payments. The one knock against this new-found favorite of Warren Buffett's is that Pool Corp. stock isn't exactly cheap. It's trading at nearly 28 times forward-year earnings, which is pricier than the benchmark S&amp;P 500's forward price-to-earnings (P/E) ratio. While an industry leader with bountiful recurring revenue and a hearty capital-return program does deserve a valuation premium, it's not clear how much additional upside is available for investors by swimming against the proverbial current. </div>

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Billionaire Warren Buffett has sold 69% of Berkshire Hathaway's stake in Apple, offloading over 635 million shares since mid-2023. Despite Apple's strong brand loyalty and significant capital-return program, Buffett's selling may reflect profit-taking amid concerns over the company's stalled growth in physical device sales. Concurrently, Buffett has invested in an industry-leading stock for four consecutive quarters, highlighting a shift in his investment strategy. This marks a trend of net selling for Berkshire, with $177.4 billion in stock sales over the past 11 quarters.

- Warren Buffett, CEO of Berkshire Hathaway, has significantly outperformed the S&P 500, achieving nearly 5,800,000% cumulative returns over 60 years.  
- Despite his success with Apple, Buffett has sold 69% of Berkshire's stake in the company, citing profit-taking and concerns over its high earnings multiple amid stalled growth.  
- Recently, Buffett has focused on acquiring shares in Pool Corp., which benefits from recurring revenue and a strong capital-return program, reflecting his long-term investment strategy.

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Billionaire Warren Buffett Sold 69% of Berkshire's Stake in Apple and Has Loaded Up on This Industry-Leading Stock for 4 Straight Quarters