UPB
UPSTREAM BIO (UPB)
NASDAQ
$5.05+$0.005 (+0.10%)
Price as of Oct 02, 2026 4:10 PM EDT
  • $276.0M
    Market Cap
  • -72.89%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
FMR LLC
15.00%
8.2M
+61,334 (+0.75%)
Jun 30, 2026
ORBIMED ADVISORS LLC
10.46%
5.7M
0 (0.00%)
Jun 30, 2026
NORGES BANK
6.93%
3.8M
+3.8M (+100.00%)
Jun 30, 2026
BLACKROCK, INC.
6.90%
3.8M
+382,669 (+10.20%)
Jun 30, 2026
DECHENG CAPITAL LLC
5.01%
2.7M
0 (0.00%)
Jun 30, 2026
ENAVATE SCIENCES GP, LLC
4.52%
2.5M
0 (0.00%)
Jun 30, 2026
VANGUARD GROUP INC
4.39%
2.4M
-54,112 (-2.27%)
Dec 31, 2025

Current Ownership Distribution

  • Institutions281.2M (87.47%)
  • Mutual Funds40.0M (12.45%)
  • Insiders270,001 (0.08%)
  • Other0 (0.00%)

Insider Transactions

  • 0.08% (270,001)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 5
    Number of InsiderSelling (last 12 months)
  • $3.0M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Deykin Aaron
Chief Medical Officer
Sell
Sep 16, 2026
$4,913.55
895
$5.49
32,302
Houghton Adam
Chief Business Officer
Sell
Sep 16, 2026
$3,843.00
700
$5.49
22,901
Sutherland Everett Rand
Chief Executive Officer
Sell
Sep 16, 2026
$11,501.55
2,095
$5.49
68,717
Sutherland Everett Rand
Chief Executive Officer
Sell
Jun 16, 2026
$12,779.50
2,095
$6.10
70,812
Ambrose Allison
General Counsel
Sell
Jun 16, 2026
$2,909.70
477
$6.10
16,048
Houghton Adam
Chief Business Officer
Sell
Jun 16, 2026
$4,270.00
700
$6.10
23,601
Deykin Aaron
Chief Medical Officer
Sell
Jun 16, 2026
$5,459.50
895
$6.10
33,197
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