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UPSTREAM BIO (UPB)
NASDAQ
$6.33+$0.03 (+0.48%)
Price as of Jun 23, 2026 3:15 PM EDT- $342.8MMarket Cap
- -41.23%1-Year Change
- BiotechnologyIndustry
UPSTREAM BIO (UPB)
$6.33+$0.03 (+0.48%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
FMR LLC | 14.89% | 8.1M | +583,361 (+7.20%) | Mar 31, 2026 |
ORBIMED ADVISORS LLC | 10.46% | 5.7M | 0 (0.00%) | Mar 31, 2026 |
BLACKROCK, INC. | 6.19% | 3.4M | +26,185 (+0.78%) | Mar 31, 2026 |
NORGES BANK | 5.30% | 2.9M | +2.9M (+100.00%) | Dec 31, 2025 |
DECHENG CAPITAL LLC | 5.01% | 2.7M | -418,210 (-15.35%) | Mar 31, 2026 |
ENAVATE SCIENCES GP, LLC | 4.52% | 2.5M | 0 (0.00%) | Mar 31, 2026 |
VANGUARD GROUP INC | 4.39% | 2.4M | -54,112 (-2.27%) | Dec 31, 2025 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 3.36% | 1.8M | +19,930 (+1.09%) | Mar 31, 2026 |
iSHARES TRUST | 2.51% | 1.4M | +1.4M (+99.28%) | Mar 31, 2026 |
FIDELITY PURITAN TRUST | 0.99% | 539,433 | 0 (0.00%) | Feb 28, 2026 |
Bernstein Fund Inc | 0.36% | 193,620 | 0 (0.00%) | Mar 31, 2026 |
Vanguard Montgomery Funds | 0.22% | 119,932 | +119,932 (+100.00%) | Mar 31, 2026 |
VANGUARD HORIZON FUNDS | 0.18% | 97,302 | +97,302 (+100.00%) | Mar 31, 2026 |
AMERICAN CENTURY ETF TRUST | 0.17% | 91,564 | +7,271 (+7.94%) | Feb 28, 2026 |
Current Ownership Distribution
- Institutions230.5M (96.17%)
- Mutual Funds8.9M (3.72%)
- Insiders275,029 (0.11%)
- Other0 (0.00%)
Insider Transactions
- 0.11% (275,029)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 5Number of InsiderSelling (last 12 months)
- $2.3MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Ambrose Allison General Counsel | Sell | Jun 16, 2026 | $2,909.70 | 477 | $6.10 | 16,048 |
Sutherland Everett Rand Chief Executive Officer | Sell | Jun 16, 2026 | $12,779.50 | 2,095 | $6.10 | 70,812 |
Deykin Aaron Chief Medical Officer | Sell | Jun 16, 2026 | $5,459.50 | 895 | $6.10 | 33,197 |
Houghton Adam Chief Business Officer | Sell | Jun 16, 2026 | $4,270.00 | 700 | $6.10 | 23,601 |
GRAY MICHAEL CFO and COO | Sell | Jun 16, 2026 | $5,203.30 | 853 | $6.10 | 28,795 |
Renaud Ronald C JR | Award | Jun 09, 2026 | $0.00 | 17,096 | $0.00 | 17,096 |
Beckman Daniella | Award | Jun 09, 2026 | $0.00 | 17,096 | $0.00 | 17,096 |
Fleming Harold Edward | Award | Jun 09, 2026 | $0.00 | 17,096 | $0.00 | 17,096 |
Ruddy Marcella K. | Award | Jun 09, 2026 | $0.00 | 17,096 | $0.00 | 17,096 |
Ratcliffe Liam | Award | Jun 09, 2026 | $0.00 | 17,096 | $0.00 | 17,096 |
Ambrose Allison General Counsel | Sell | Mar 16, 2026 | $4,412.75 | 475 | $9.29 | 16,525 |
Sutherland Everett Rand Chief Executive Officer | Sell | Mar 16, 2026 | $19,443.97 | 2,093 | $9.29 | 72,907 |
GRAY MICHAEL CFO and COO | Sell | Mar 16, 2026 | $7,915.08 | 852 | $9.29 | 29,648 |
Houghton Adam Chief Business Officer | Sell | Mar 16, 2026 | $6,493.71 | 699 | $9.29 | 24,301 |
Sutherland Everett Rand Chief Executive Officer | Award | Jan 02, 2026 | $0.00 | 225,000 | $0.00 | 225,000 |
GRAY MICHAEL CFO and COO | Award | Jan 02, 2026 | $0.00 | 91,500 | $0.00 | 91,500 |
Ambrose Allison General Counsel | Award | Jan 02, 2026 | $0.00 | 51,000 | $0.00 | 51,000 |
Houghton Adam Chief Business Officer | Award | Jan 02, 2026 | $0.00 | 75,000 | $0.00 | 75,000 |
Sutherland Everett Rand Chief Executive Officer | Award | Jan 02, 2026 | $0.00 | 75,000 | $0.00 | 75,000 |
GRAY MICHAEL CFO and COO | Award | Jan 02, 2026 | $0.00 | 30,500 | $0.00 | 30,500 |
Ambrose Allison General Counsel | Award | Jan 02, 2026 | $0.00 | 17,000 | $0.00 | 17,000 |
Houghton Adam Chief Business Officer | Award | Jan 02, 2026 | $0.00 | 25,000 | $0.00 | 25,000 |
Deykin Aaron Chief Medical Officer | Award | Jan 02, 2026 | $0.00 | 96,000 | $0.00 | 96,000 |
Deykin Aaron Chief Medical Officer | Award | Jan 02, 2026 | $0.00 | 32,000 | $0.00 | 33,581 |
Beckman Daniella | Award | Jun 10, 2025 | $0.00 | 17,096 | $0.00 | 17,096 |
GRAY MICHAEL CFO and COO | Award | Feb 06, 2025 | $0.00 | 195,000 | $0.00 | 195,000 |
Ambrose Allison General Counsel | Award | Feb 06, 2025 | $0.00 | 25,000 | $0.00 | 25,000 |
Sutherland Everett Rand Chief Executive Officer | Award | Feb 06, 2025 | $0.00 | 500,000 | $0.00 | 500,000 |
Deykin Aaron Chief Medical Officer | Award | Feb 06, 2025 | $0.00 | 165,000 | $0.00 | 165,000 |
Houghton Adam Chief Business Officer | Award | Feb 06, 2025 | $0.00 | 140,000 | $0.00 | 140,000 |