- By David Goodloe

Parnassus Investments founder and President Jerome Dodson (Trades, Portfolio) made no new buys in the fourth quarter, but he added to nine existing positions in his portfolio.

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The guru added 65,000 shares to the position in **Allergan PLC** (AGN), a multinational pharmaceutical company, for an average price of $207.16 per share. The transaction, which boosted his holding by nearly 63%, had an impact of 1.7% on his portfolio.

Vanguard Health Care Fund (Trades, Portfolio) is Allergan's leading shareholder among the gurus with a stake of 12,066,307 shares. The stake is 3.6% of Allergan's outstanding shares.

Allergan has a price-earnings (P/E) ratio of 6.41, a forward P/E of 15.38, a price-book (P/B) ratio of 1.29 and a price-sales (P/S) ratio of 6.44. GuruFocus gives Allergan a Financial Strength rating of 5/10 and a Profitability and Growth rating of 4/10 with return on equity (ROE) of 18.53% that is higher than 79% of the companies in the Global Drug Manufacturers - Specialty and Generic industry and return on assets (ROA) of 11.06% that is higher than 80% of the companies in that industry.

Allergan sold for $245.29 per share at market close Wednesday. The DCF Calculator gives Allergan a fair value of $-33.6.

The guru nearly tripled the holding in **McKesson Corp.** (MCK), a San Francisco-based health care company, with the purchase of 79,000 shares for an average price of $147.1. The deal had a 1.37% impact on the portfolio.

Vanguard is also McKesson's leading shareholder with a stake of 7,165,280 shares. The stake is 3.38% of McKesson's outstanding shares.

McKesson has a P/E ratio of 17.66, a forward P/E ratio of 12.41, a P/B ratio of 4.39 and a P/S ratio of 0.17. GuruFocus gives McKesson a Financial Strength rating of 6/10 and a Profitability and Growth rating of 7/10 with ROE of 21.65% that is higher than 90% of the companies in the Global Medical Distribution industry and ROA of 3.35% that is lower than 54% of the companies in that industry.

McKesson sold for $148.97 per share Wednesday. The DCF Calculator gives McKesson a fair value of $168.15 with an 11% margin of safety.

The guru invested in 300,000 shares of **Progressive Corp.** (PGR), an Ohio-based insurance company, for an average price of $33.07 per share. The transaction increased the position by 60% and had a 1.32% impact on the portfolio.

PRIMECAP Management (Trades, Portfolio) is Progressive's leading shareholder among the gurus with a stake of 9,629,400 shares. The stake is 1.66% of Progressive's outstanding shares.

Progressive has a P/E ratio of 22.67, a forward P/E ratio of 19.16, a P/B ratio of 2.90 and a P/S ratio of 0.98. GuruFocus gives Progressive a Financial Strength rating of 5/10 and a Profitability and Growth rating of 7/10 with ROE of 13.31% that is higher than 78% of the companies in the Global Insurance - Property and Casualty industry and ROA of 3.23% that is higher than 66% of the companies in that industry.

Progressive sold for $39.87 per share Wednesday. The DCF Calculator gives Progressive a fair value of $18.83.

The guru raised the holding in **Gilead Sciences Inc.** (GILD), a California-based biopharmaceutical company, by 40% with the purchase of 140,000 shares for an average price of $74.33 per share. The deal had a 1.24% impact on the portfolio.

Jim Simons (Trades, Portfolio) is Gilead's leading shareholder among the gurus with a stake of 5,274,948 shares. The stake is 0.4% of Gilead's outstanding shares.

Gilead has a P/E ratio of 7.06, a forward P/E ratio of 7.45, a P/B ratio of 4.86 and a P/S ratio of 3.15. GuruFocus gives Gilead a Financial Strength rating of 7/10 and a Profitability and Growth rating of 9/10 with ROE of 81.11% that is higher than 98% of the companies in the Global Biotechnology industry and ROA of 25.66% that is higher than 96% of the companies in that industry.

Gilead Sciences sold for $70.19 per share Wednesday. The DCF Calculator gives Gilead Sciences a fair value of $106.48 with a 34% margin of safety.

The guru increased the holding in **KLA-Tencor Corp.** (KLAC), a California-based semiconductor equipment and materials company, by nearly 31% with the purchase of 60,000 shares for an average price of $76.38 per share. The transaction had a 0.58% impact on the portfolio.

PRIMECAP is KLA-Tencor's leading shareholder among the gurus with a stake of 14,008,696 shares. The stake is 8.94% of KLA-Tencor's outstanding shares.

KLA-Tencor has a P/E ratio of 16.62, a forward P/E ratio of 16.92, a P/B ratio of 14.80 and a P/S ratio of 4.41. GuruFocus gives KLA-Tencor a Financial Strength rating of 6/10 and a Profitability and Growth rating of 6/10 with ROE of 131.74% that is higher than 100% of the companies in the Global Semiconductor Equipment & Materials industry and ROA of 17.69% that is higher than 96% of the companies in that industry.

KLA-Tencor sold for $91.44 per share Wednesday. The DCF Calculator gives KLA-Tencor a fair value of $58.86.

The guru raised the position in **Alliance Data Systems Corp.** (ADS), a Texas-based loyalty and marketing solutions company, by 25% with the purchase of 100,000 shares for an average price of $217.99 per share. The deal had a 0.56% impact on the portfolio.

Jeff Ubben (Trades, Portfolio) was Alliance Data Systems' leading shareholder among the gurus at the close of the fourth quarter with a stake of 5,246,500 shares. The stake is 9.38% of Alliance Data Systems' outstanding shares.

Alliance Data Systems has a P/E ratio of 33.62, a forward P/E ratio of 13.28, a P/B ratio of 8.62 and a P/S ratio of 2.05. GuruFocus gives Alliance Data Systems a Financial Strength rating of 4/10 and a Profitability and Growth rating of 8/10 with ROE of 24.23% that is higher than 88% of the companies in the Global Credit Services industry and ROA of 2.21% that is lower than 51% of the companies in that industry.

Alliance Data Systems sold for $247.62 per share Wednesday. The DCF Calculator gives Alliance Data Systems a fair value of $149.61.

The guru invested in 73,000 shares of **Pentair PLC** (PNR), a water and fluid controls company based in the U.K., for an average price of $58.07 per share, increasing the holding by more than 19%. The transaction had a 0.51% impact on the portfolio.

T Rowe Price Equity Income Fund (Trades, Portfolio) is Pentair's leading shareholder among the gurus with a stake of 2.775 million shares. The stake is 1.53% of Pentair's outstanding shares.

Pentair has a P/E ratio of 21.00, a forward P/E ratio of 16.81, a P/B ratio of 2.58 and a P/S ratio of 1.92. GuruFocus gives Pentair a Financial Strength rating of 5/10 and a Profitability and Growth rating of 5/10 with ROE of 12.51% that is higher than 75% of the companies in the Global Diversified Industrials industry and ROA of 4.44% that is higher than 61% of the companies in that industry.

Pentair sold for $59.86 per share Wednesday. The DCF Calculator gives Pentair a fair value of $27.93.

The guru bought 150,000 shares of **Axalta Coating Systems Ltd.** (AXTA), a Philadelphia-based company that develops and manufactures coatings for a variety of applications, for an average price of $26.32 per share. The deal, which boosted the holding by 30%, had a 0.5% impact on the portfolio.

Warren Buffett (Trades, Portfolio) is Axalta's leading shareholder among the gurus with a stake of 23,324,000 shares. The stake is 9.7% of Axalta's outstanding shares.

Axalta has a P/E ratio of 228.79, a forward P/E ratio of 20.16, a P/B ratio of 6.34 and a P/S ratio of 1.77. GuruFocus gives Axalta a Financial Strength rating of 5/10 and a Profitability and Growth rating of 6/10 with ROE of 2.70% and ROA of 0.53% that are lower than 99.99% of the companies in the Global Specialty Chemicals industry.

Axalta sold for $29.74 per share Wednesday. The DCF Calculator gives Axalta a fair value of $1.39.

The guru purchased 91,000 shares of **Patterson Companies Inc.** (PDCO), a Minnesota-based medical supplies conglomerate, for an average price of $43.14 per share. The transaction increased the holding by nearly 21% and had a 0.46% impact on the portfolio.

Mairs and Power (Trades, Portfolio) is Patterson Companies' leading shareholder among the gurus with 2,308,802 shares. The stake is 2.36% of Patterson Companies' outstanding shares.

Patterson Companies has a P/E ratio of 25.23, a forward P/E of 17.95, a P/B ratio of 3.14 and a P/S ratio of 0.78. GuruFocus gives Patterson Companies a Financial Strength rating of 5/10 and a Profitability and Growth rating of 8/10 with ROE of 12.46% that is higher than 61% of the companies in the Global Medical Distribution industry and ROA of 4.92% that is higher than 72% of the companies in that industry.

Patterson Companies sold for $45.89 per share Wednesday. The DCF Calculator gives Patterson Companies a fair value of $19.8.**Disclosure:** I do not own any stocks mentioned in this article.**Start a** **free seven-day trial** **of Premium Membership to GuruFocus.**

This article first appeared on GuruFocus.