Upstream Bio Inc
- Stock Issuer and Owners
| Message |
|
Happy Holidays!! thanks for using AUM13F!!
|
| Upstream Bio Inc |
| Ticker | UPB |
| CIK # | 0002022626 |
| CUSIP | 91678A107 |
| Sector | Life Sciences - Pharmaceutical Preparations |
| Address | 890 Winter Street, Suite 200, Waltham, MA 02451 |
| Source |
[EDGAR]
|
| Form 13F Holdings |
| Firm |
Period |
DFND |
Voting |
Shares |
| FMR LLC |
[2025-06-30]
|
DFND |
7,935,525 |
7,936,880 |
| OrbiMed Advisors LLC |
[2025-06-30]
|
SOLE |
5,693,589 |
5,693,589 |
| Altshuler Shaham Ltd |
[2025-06-30]
|
DFND |
3,394,441 |
3,394,441 |
| Decheng Capital LLC |
[2025-06-30]
|
SOLE |
3,285,293 |
3,285,293 |
| TCG Crossover Management LLC |
[2025-06-30]
|
SOLE |
2,801,763 |
2,801,763 |
| Enavate Sciences GP, LLC |
[2025-06-30]
|
SOLE |
2,459,703 |
2,459,703 |
| Bain Capital Life Sciences Investors, LLC |
[2025-06-30]
|
SOLE |
2,439,538 |
2,439,538 |
| VR Adviser LLC |
[2025-06-30]
|
SOLE |
2,295,319 |
2,295,319 |
| Vanguard Group Inc |
[2025-06-30]
|
SOLE |
0 |
2,149,375 |
| BlackRock, Inc. |
[2025-06-30]
|
SOLE |
2,025,369 |
2,096,506 |
| Omega Fund Management LLC |
[2025-06-30]
|
SOLE |
2,036,293 |
2,036,293 |
| Samsara Biocapital LLC |
[2025-06-30]
|
SOLE |
1,443,231 |
1,443,231 |
| Deep Track Capital LP |
[2025-06-30]
|
SOLE |
1,442,767 |
1,442,767 |
| Wellington Management Group LLP |
[2025-06-30]
|
DFND |
0 |
1,225,295 |
| Norges Bank |
[2025-06-30]
|
SOLE |
969,916 |
969,916 |
| Siren, L.L.C. |
[2025-06-30]
|
DFND |
788,450 |
788,450 |
| Parkman Healthcare Partners LLC |
[2025-06-30]
|
SOLE |
715,504 |
715,504 |
| Geode Capital Management LLC |
[2025-06-30]
|
DFND |
646,635 |
646,635 |
| Nantahala Capital Management LLC |
[2025-06-30]
|
SOLE |
594,971 |
594,971 |
| Woodline Partners LP |
[2025-06-30]
|
SOLE |
558,252 |
558,252 |
| State Street Corp |
[2025-06-30]
|
DFND |
432,275 |
481,375 |
| Schonfeld Strategic Advisors LLC |
[2025-06-30]
|
SOLE |
365,790 |
365,790 |
| Great Point Partners LLC |
[2025-06-30]
|
SOLE |
0 |
300,000 |
| Marshall Wace LLP |
[2025-06-30]
|
OTR |
0 |
290,526 |
| UBS Group AG |
[2025-06-30]
|
DFND |
232,887 |
232,887 |
| Northern Trust Corp |
[2025-06-30]
|
DFND |
223,977 |
223,977 |
| Lynx1 Capital Management LP |
[2025-06-30]
|
OTR |
0 |
219,247 |
| Charles Schwab Investment Management Inc |
[2025-06-30]
|
SOLE |
178,253 |
178,253 |
| Velan Capital Investment Management LP |
[2025-06-30]
|
SOLE |
107,000 |
107,000 |
| Morgan Stanley |
[2025-06-30]
|
DFND |
99,167 |
99,308 |
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