Who Owns UPSTREAM BIO INC (UPB)? -- Institutional Holders (2026-06-30)
174 institutions reported holding $351.9M of UPSTREAM BIO INC (UPB) in SEC 13F filings for 2026-06-30. Largest institutional holders: FMR LLC ($56.5M), ORBIMED ADVISORS LLC ($39.4M), NORGES BANK ($26.1M), BlackRock, Inc. ($26.0M), VANGUARD GROUP INC ($19.9M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | FMR LLC | $56.5M | 8.2M | Added |
| 2 | ORBIMED ADVISORS LLC | $39.4M | 5.7M | Hold |
| 3 | NORGES BANK | $26.1M | 3.8M | Added |
| 4 | BlackRock, Inc. | $26.0M | 3.8M | Added |
| 5 | VANGUARD GROUP INC | $19.9M | 2.9M | Added |
| 6 | Decheng Capital LLC | $18.9M | 2.7M | Hold |
| 7 | ENAVATE SCIENCES GP, LLC | $17.0M | 2.5M | Hold |
| 8 | MILLENNIUM MANAGEMENT LLC | $7.9M | 1.1M | Added |
| 9 | D. E. Shaw & Co., Inc. | $7.2M | 1.0M | Added |
| 10 | JPMORGAN CHASE & CO | $7.0M | 1.0M | Added |
| 11 | Qube Research & Technologies Ltd | $6.8M | 978,500 | Added |
| 12 | Parkman Healthcare Partners LLC | $6.5M | 935,247 | Added |
| 13 | GEODE CAPITAL MANAGEMENT, LLC | $6.4M | 931,261 | Trimmed |
| 14 | SEB Asset Management AB | $6.1M | 878,473 | Hold |
| 15 | Woodline Partners LP | $5.8M | 831,481 | Hold |
| 16 | STATE STREET CORP | $5.3M | 766,323 | Added |
| 17 | Y-Intercept (Hong Kong) Ltd | $4.8M | 693,555 | Trimmed |
| 18 | Bain Capital Life Sciences Investors, LLC | $4.2M | 600,949 | Trimmed |
| 19 | AQR CAPITAL MANAGEMENT LLC | $3.8M | 544,869 | Added |
| 20 | MORGAN STANLEY | $3.6M | 524,632 | Trimmed |
| 21 | BNP PARIBAS FINANCIAL MARKETS | $3.5M | 511,546 | Added |
| 22 | Walleye Capital LLC | $3.4M | 498,490 | New |
| 23 | Trexquant Investment LP | $3.2M | 466,430 | Added |
| 24 | Point72 Asset Management, L.P. | $3.1M | 453,011 | Added |
| 25 | BANK OF AMERICA CORP /DE/ | $2.7M | 391,762 | Added |
Source: SEC Form 13F filings · as of 2026-06-30