Penbrook Management LLC

CIK
0001381055
City
NEW YORK
State / Country
NY

Holdings in KOPN

Position Over Time

Report Date Value (USD) Shares
2025-12-31 $269,041 114,975
2025-09-30 $332,849 136,975
2025-06-30 $117,771 76,975
2025-03-31 $86,792 93,325
2024-12-31 $66,062 48,575
2024-03-31 $567,135 315,075
2023-12-31 $654,827 322,575
2023-09-30 $396,591 325,075
2023-06-30 $698,911 325,075
2023-03-31 $327,436 300,400
2022-12-31 $393,328 317,200
2022-09-30 $333,322 317,450
2022-06-30 $359,464 320,950
2022-03-31 $816,431 322,700
2021-12-31 $1,319,843 322,700
2021-09-30 $1,655,451 322,700
2021-06-30 $2,636,823 322,350
2021-03-31 $6,792,851 647,555
2020-12-31 $1,461,875 601,595
2020-09-30 $905,355 656,055
2020-06-30 $838,072 630,130
2020-03-31 $220,545 630,130