REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

Artisan Partners Limited Partnership's Holding History (CIK: 0001466153)

Note: Option positions (PUT/CALL) are excluded.

Q4 2017
Shares 1,112,029 Value ($000) $418,078 Avg Close $402.77 Range $351.19 - $474.37
Q3 2017
Shares 1,482,858 Value ($000) $663,015 Avg Close $473.21 Range $424.12 - $523.22
Q2 2017
Shares 1,962,480 Value ($000) $963,852 Avg Close $435.19 Range $358.01 - $540.55
Q1 2017
Shares 1,933,228 Value ($000) $749,145 Avg Close $368.62 Range $338.21 - $399.00
Q4 2016
Shares 1,891,598 Value ($000) $694,387 Avg Close $378.17 Range $323.56 - $450.46
Q3 2016
Shares 1,772,702 Value ($000) $712,662 Avg Close $398.92 Range $346.51 - $441.54
Q2 2016
Shares 1,767,033 Value ($000) $617,101 Avg Close $383.00 Range $327.27 - $431.54
Q1 2016
Shares 1,794,632 Value ($000) $646,857 Avg Close $409.79 Range $347.04 - $529.97
Q4 2015
Shares 1,798,942 Value ($000) $976,592 Avg Close $538.82 Range $445.63 - $589.32
Q3 2015
Shares 2,081,497 Value ($000) $968,188 Avg Close $534.07 Range $433.12 - $602.59
Q2 2015
Shares 2,082,853 Value ($000) $1,062,526 Avg Close $485.93 Range $431.08 - $541.00
Q1 2015
Shares 2,065,683 Value ($000) $932,615 Avg Close $421.46 Range $390.83 - $492.77
Q4 2014
Shares 2,304,998 Value ($000) $945,625 Avg Close $391.09 Range $318.29 - $435.23
Q3 2014
Shares 2,858,761 Value ($000) $1,030,641 Avg Close $333.32 Range $283.49 - $367.27
Q2 2014
Shares 3,192,014 Value ($000) $901,648 Avg Close $294.74 Range $268.01 - $318.24
Q1 2014
Shares 3,235,410 Value ($000) $971,529 Avg Close $306.39 Range $261.52 - $350.55
Q4 2013
Shares 3,144,943 Value ($000) $865,614 Avg Close $286.03 Range $256.27 - $317.74
Q3 2013
Shares 3,136,603 Value ($000) $981,349 Avg Close $261.58 Range $224.53 - $318.07
Q2 2013
Shares 3,106,428 Value ($000) $698,573,529 Avg Close $231.58 Range $176.14 - $282.42