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UPBUPB
7 quarters

Position history for BlackRock, Inc.BlackRock, Inc.'s holdings in UPSTREAM BIO INC

BlackRock, Inc. holds 3.8M shares of UPB (UPSTREAM BIO INC), worth $26M as of 2026-Q2. The position was increased (+11.3% shares). UPB represents 0.0% of BlackRock, Inc.'s portfolio.

Current Value

$26M

Current Shares

3.8M

Total Value Change

+$7.6M

Total Shares Change

+2.6M

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q2
Latest
Increased
3.8M
+11.3%
$26M0.0%$6.92
32
2026-Q1
Increased
3.4M
+0.8%
$30.3M0.0%$7.36
29
2025-Q4
Increased
3.3M
+28.4%
$90.8M0.0%$27.32
37
2025-Q3
Increased
2.6M
+24.2%
$49M0.0%$17.34
36
2025-Q2
Increased
2.1M
+76.8%
$23M0.0%$10.93
43
2025-Q1
Increased
1.2M
+6.1%
$7.3M0.0%$6.87
29
2024-Q4
New
1.1M
-
$18.4M0.0%$17.12
39

Other major holders of UPB: FMR LLC, NORGES BANK

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