REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

Rock Springs Capital Management LP's Holding History (CIK: 0001595725)

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

Q4 2025
Shares 10,100 Value ($000) $7,796 Avg Close $678.68 Range $540.32 - $792.77
Q3 2025
Shares 11,300 Value ($000) $6,354 Avg Close $564.28 Range $519.56 - $609.69
Q2 2025
Shares 11,300 Value ($000) $5,933 Avg Close $556.12 Range $475.17 - $638.52
Q1 2025
Shares 2,800 Value ($000) $1,776 Avg Close $684.44 Range $615.89 - $745.12
Q3 2017
Shares 16,000 Value ($000) $7,154 Avg Close $473.21 Range $424.12 - $523.22
Q2 2017
Shares 16,000 Value ($000) $7,858 Avg Close $435.19 Range $358.01 - $540.55
Q1 2017
Shares 15,100 Value ($000) $5,851 Avg Close $368.62 Range $338.21 - $399.00
Q4 2016
Shares 19,500 Value ($000) $7,158 Avg Close $378.17 Range $323.56 - $450.46
Q3 2016
Shares 17,000 Value ($000) $6,834 Avg Close $398.92 Range $346.51 - $441.54
Q2 2016
Shares 17,000 Value ($000) $5,937 Avg Close $383.00 Range $327.27 - $431.54
Q1 2016
Shares 16,500 Value ($000) $5,947 Avg Close $409.79 Range $347.04 - $529.97
Q4 2015
Shares 11,000 Value ($000) $5,972 Avg Close $538.82 Range $445.63 - $589.32
Q3 2015
Shares 11,000 Value ($000) $5,117 Avg Close $534.07 Range $433.12 - $602.59
Q2 2015
Shares 11,000 Value ($000) $5,611 Avg Close $485.93 Range $431.08 - $541.00
Q1 2015
Shares 10,000 Value ($000) $4,515 Avg Close $421.46 Range $390.83 - $492.77
Q4 2014
Shares 9,000 Value ($000) $3,692 Avg Close $391.09 Range $318.29 - $435.23
Q2 2014
Shares 7,500 Value ($000) $2,119 Avg Close $294.74 Range $268.01 - $318.24
Q1 2014
Shares 7,500 Value ($000) $2,252 Avg Close $306.39 Range $261.52 - $350.55