Historical shareholding details of
AllianceBernstein L.P.
holdings in Upstream Bio Inc. (UPB)
Monthly changes of
AllianceBernstein L.P.
shareholding in Upstream Bio Inc.
over the previous
months
Month
|
Name |
Total no. shares held |
Percent Holding |
Mar 31, 2025
|
Alliancebernstein L.P.
|
644,063
|
1.20%
|
|
Feb 28, 2025
|
Alliancebernstein L.P.
|
644,063
|
1.20%
|
|
Jan 31, 2025
|
Alliancebernstein L.P.
|
666,484
|
1.24%
|
|
Dec 31, 2024
|
Alliancebernstein L.P.
|
1,111,337
|
2.07%
|
Dec 31, 2024
|
Alliancebernstein L.P.
|
593,995
|
1.11%
|
|
Nov 30, 2024
|
Alliancebernstein L.P.
|
607,791
|
1.13%
|
View all ownership details of Upstream Bio Inc.