REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

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

Q4 2025
Shares 649 Value ($000) $501 Avg Close $678.68 Range $540.32 - $792.77
Q3 2025
Shares 646 Value ($000) $363 Avg Close $564.28 Range $519.56 - $609.69
Q2 2025
Shares 602 Value ($000) $316 Avg Close $556.12 Range $475.17 - $638.52
Q1 2025
Shares 589 Value ($000) $374 Avg Close $684.44 Range $615.89 - $745.12
Q4 2024
Shares 563 Value ($000) $401 Avg Close $834.60 Range $689.18 - $1055.74
Q3 2024
Shares 365 Value ($000) $384 Avg Close $1106.73 Range $1002.85 - $1204.52
Q2 2024
Shares 307 Value ($000) $323 Avg Close $964.05 Range $870.40 - $1075.21
Q1 2024
Shares 239 Value ($000) $230 Avg Close $945.64 Range $866.58 - $992.82
Q3 2017
Shares 482 Value ($000) $216 Avg Close $473.21 Range $424.12 - $523.22
Q2 2017
Shares 492 Value ($000) $242 Avg Close $435.19 Range $358.01 - $540.55
Q3 2016
Shares 529 Value ($000) $213 Avg Close $398.92 Range $346.51 - $441.54
Q2 2016
Shares 1,329 Value ($000) $464 Avg Close $383.00 Range $327.27 - $431.54
Q1 2016
Shares 1,343 Value ($000) $484 Avg Close $409.79 Range $347.04 - $529.97
Q4 2015
Shares 1,378 Value ($000) $748 Avg Close $538.82 Range $445.63 - $589.32
Q3 2015
Shares 2,145 Value ($000) $998 Avg Close $534.07 Range $433.12 - $602.59
Q2 2015
Shares 2,145 Value ($000) $1,094 Avg Close $485.93 Range $431.08 - $541.00
Q1 2015
Shares 2,190 Value ($000) $989 Avg Close $421.46 Range $390.83 - $492.77
Q4 2014
Shares 2,190 Value ($000) $898 Avg Close $391.09 Range $318.29 - $435.23
Q3 2014
Shares 2,190 Value ($000) $790 Avg Close $333.32 Range $283.49 - $367.27
Q2 2014
Shares 2,295 Value ($000) $648 Avg Close $294.74 Range $268.01 - $318.24