biotech with the biggest gain in 2025

Gladstone Investment (GAIN) returned 17.2% last year.

DATEOPENHIGHLOWCLOSEVOLUME
December 31 2025
$13.25
$13.43
$13.24
$13.39
168,476
December 30 2025
$13.14
$13.31
$13.13
$13.26
146,185
December 29 2025
$13.32
$13.35
$13.13
$13.16
136,632
December 26 2025
$13.15
$13.30
$13.15
$13.29
103,093
December 24 2025
$13.01
$13.16
$13.01
$13.11
76,680
December 23 2025
$13.15
$13.30
$13.01
$13.01
160,980
December 22 2025
$13.23
$13.26
$13.09
$13.17
205,335
December 19 2025
$13.36
$13.36
$13.16
$13.23
254,803
December 18 2025
$13.33
$13.37
$13.26
$13.34
177,309
December 17 2025
$13.36
$13.37
$13.27
$13.29
204,405
December 16 2025
$13.27
$13.35
$13.24
$13.32
102,237
December 15 2025
$13.35
$13.35
$13.15
$13.24
141,064
December 12 2025
$13.27
$13.37
$13.24
$13.30
114,349
December 11 2025
$13.39
$13.39
$13.24
$13.29
130,800
December 10 2025
$13.36
$13.41
$13.32
$13.36
116,501
December 09 2025
$13.25
$13.37
$13.25
$13.32
156,580
December 08 2025
$13.25
$13.39
$13.24
$13.26
135,296
December 05 2025
$13.31
$13.39
$13.26
$13.28
106,812
December 04 2025
$13.28
$13.36
$13.22
$13.31
128,136
December 03 2025
$13.36
$13.36
$13.21
$13.28
102,217
December 02 2025
$13.28
$13.38
$13.18
$13.36
178,677
December 01 2025
$13.31
$13.32
$13.21
$13.24
119,599
November 28 2025
$13.37
$13.37
$13.27
$13.36
82,675
November 26 2025
$13.34
$13.38
$13.26
$13.31
164,842
November 25 2025
$13.31
$13.33
$13.20
$13.33
161,716