Viking Global Investors
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Viking Global Investors’s Regeneron Pharmaceuticals REGN Stock Holding History

Viking Global Investors’s Portfolio REGN Stock Details REGN Fund Activity
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Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		– Sell
2025
Q1 		$62M Buy
2024
Q4 		– Sell
2024
Q3 		$52.4M Buy
2014
Q4 		– Sell
2014
Q3 		$390M Sell
2014
Q2 		$837M Buy
2014
Q1 		$316M Buy