Hedge funds and other institutional investors have recently made changes to their positions in the stock. First Hawaiian Bank raised its stake in Regeneron Pharmaceuticals by 21.5% during the first quarter. First Hawaiian Bank now owns 3,639 shares of the biopharmaceutical company's stock worth $2,308,000 after purchasing an additional 644 shares during the period. Strs Ohio purchased a new position in Regeneron Pharmaceuticals in the first quarter worth approximately $21,805,000. Jacobi Capital Management LLC increased its stake in Regeneron Pharmaceuticals by 8.1% during the first quarter. Jacobi Capital Management LLC now owns 1,425 shares of the biopharmaceutical company's stock worth $904,000 after acquiring an additional 107 shares during the last quarter. Acadian Asset Management LLC raised its position in Regeneron Pharmaceuticals by 69.0% in the first quarter.