Glenn Greenberg's Strategic Moves: Icon PLC Takes Center Stage with 8.21% Portfolio Share

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Insight into Glenn Greenberg (Trades, Portfolio)'s First Quarter 2026 13F Filing

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Glenn Greenberg (Trades, Portfolio) recently submitted the 13F filing for the first quarter of 2026, providing insights into his investment moves during this period. Glenn Greenberg (Trades, Portfolio) and partner John Shapiro founded Chieftain Capital Management in 1984. By pursuing a disciplined investment strategy, Chieftain compounded its accounts at 22.5% (before management fees) during the period from 1984 through 2004 versus 12.9% for the S&P 500. Chieftain Capital later divided into two separate entities, with Shapiro leading the new Chieftain Capital Management and Greenberg leading Brave Warrior Advisors. Greenberg maintains a highly concentrated portfolio that he describes as a "defense against ignorance." He believes that the more companies you own, the less you will know about each, and the less you know about a business, the more likely you are to make mistakes due to fear and greed. Greenberg invests in companies with little competition, and places a great deal of emphasis on return on invested capital.Glenn Greenberg's Strategic Moves: Icon PLC Takes Center Stage with 8.21% Portfolio Share

Summary of New Buy

Glenn Greenberg (Trades, Portfolio) added a total of 6 stocks, among them:

The most significant addition was Icon PLC (NASDAQ:ICLR), with 2,996,811 shares, accounting for 8.21% of the portfolio and a total value of $331.63 million. The second largest addition to the portfolio was Sunbelt Rentals Holdings Inc (NYSE:SUNB), consisting of 23,762 shares, representing approximately 0.04% of the portfolio, with a total value of $1.55 million. The third largest addition was Apollo Global Management Inc (NYSE:APO), with 4,500 shares, accounting for 0.01% of the portfolio and a total value of $501,390.

Key Position Increases

Glenn Greenberg (Trades, Portfolio) also increased stakes in a total of 5 stocks, among them:

The most notable increase was Primerica Inc (NYSE:PRI), with an additional 99,198 shares, bringing the total to 879,323 shares. This adjustment represents a significant 12.72% increase in share count, a 0.61% impact on the current portfolio, with a total value of $220.25 million. The second largest increase was SLM Corp (NASDAQ:SLM), with an additional 752,403 shares, bringing the total to 13,584,368. This adjustment represents a significant 5.86% increase in share count, with a total value of $290.84 million.

Summary of Sold Out

Glenn Greenberg (Trades, Portfolio) completely exited 3 of the holdings in the first quarter of 2026, as detailed below:

Story Continues

U.S. Bancorp (NYSE:USB): Glenn Greenberg (Trades, Portfolio) sold all 15,000 shares, resulting in a -0.02% impact on the portfolio. Visa Inc (NYSE:V): Glenn Greenberg (Trades, Portfolio) liquidated all 618 shares, causing a -0.01% impact on the portfolio.

Key Position Reduces

Glenn Greenberg (Trades, Portfolio) also reduced positions in 16 stocks. The most significant changes include:

Reduced MPLX LP (NYSE:MPLX) by 1,220,591 shares, resulting in a -27.28% decrease in shares and a -1.53% impact on the portfolio. The stock traded at an average price of $56.71 during the quarter and has returned -1.75% over the past 3 months and 6.68% year-to-date. Reduced Elevance Health Inc (NYSE:ELV) by 129,495 shares, resulting in a -10.34% reduction in shares and a -1.06% impact on the portfolio. The stock traded at an average price of $328.66 during the quarter and has returned 14.79% over the past 3 months and 13.56% year-to-date.

Portfolio Overview

At the first quarter of 2026, Glenn Greenberg (Trades, Portfolio)'s portfolio included 36 stocks, with top holdings including 12.75% in TD Synnex Corp (NYSE:SNX), 10.2% in OneMain Holdings Inc (NYSE:OMF), 8.21% in Icon PLC (NASDAQ:ICLR), 8.13% in Elevance Health Inc (NYSE:ELV), and 7.48% in AutoNation Inc (NYSE:AN).Glenn Greenberg's Strategic Moves: Icon PLC Takes Center Stage with 8.21% Portfolio Share

The holdings are mainly concentrated in 8 of all the 11 industries: Financial Services, Healthcare, Consumer Cyclical, Technology, Industrials, Real Estate, Energy, and Communication Services.Glenn Greenberg's Strategic Moves: Icon PLC Takes Center Stage with 8.21% Portfolio Share

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