IBIO
IBIO (IBIO)
NASDAQ
$1.68+$0.03 (+1.58%)
Price as of Jun 23, 2026 7:40 PM EDT
  • $86.4M
    Market Cap
  • 120.59%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
AFFINITY ASSET ADVISORS, LLC
19.68%
3.1M
+1.1M (+33.79%)
Mar 31, 2026
FRAZIER LIFE SCIENCES MANAGEMENT, L.P.
12.37%
2.0M
0 (0.00%)
Mar 31, 2026
ECOR1 CAPITAL, LLC
10.03%
1.6M
-645,000 (-40.75%)
Mar 31, 2026
MILLENNIUM MANAGEMENT LLC
9.82%
1.5M
+1.5M (+100.00%)
Mar 31, 2026
LOGOS GLOBAL MANAGEMENT LP
8.23%
1.3M
-700,000 (-53.85%)
Mar 31, 2026
N/A
6.89%
1.1M
+1.1M (+100.00%)
Mar 31, 2026
BALYASNY ASSET MANAGEMENT L.P.
6.40%
1.0M
-85,224 (-8.43%)
Mar 31, 2026

Current Ownership Distribution

  • Mutual Funds211.8M (53.77%)
  • Institutions134.9M (34.25%)
  • Insiders47.2M (11.97%)
  • Other0 (0.00%)

Insider Transactions

  • 11.97% (47.2M)
    Current InsiderOwnership (%, shares)
  • 2
    Number of InsiderBuying (last 12 months)
  • $82,137.25
    Amount of InsiderBuying (last 12 months)
  • 0
    Number of InsiderSelling (last 12 months)
  • $0.00
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Banjak Marc
Chief Legal Officer
Buy
Mar 26, 2026
$20,531.25
12,500
$1.64
23,566
Banjak Marc
Chief Legal Officer
Buy
Mar 26, 2026
$2,523.84
1,434
$1.76
25,000
Duran Felipe
Chief Financial Officer
Buy
Mar 19, 2026
$50,131.93
24,835
$2.02
35,974
Banjak Marc
Chief Legal Officer
Award
Jan 28, 2026
$0.00
146,000
$0.00
146,000
Duran Felipe
Chief Financial Officer
Award
Jan 28, 2026
$0.00
179,000
$0.00
179,000
Schimmelpennink Evert B.
Award
Nov 20, 2025
$0.00
13,500
$0.00
13,500
Kropotova Alexandra
Award
Nov 20, 2025
$0.00
13,500
$0.00
13,500
Clark William D
Award
Nov 20, 2025
$0.00
13,500
$0.00
13,500
Parada Antonio Bernardino Guimaraes
Award
Nov 20, 2025
$0.00
13,500
$0.00
13,500
Sender Gary
Award
Nov 20, 2025
$0.00
13,500
$0.00
13,500
Arkowitz David
Award
Nov 20, 2025
$0.00
13,500
$0.00
13,500
Brenner Martin
See Remarks
Award
Oct 20, 2025
$0.00
180,000
$0.00
180,000
Duran Felipe
Chief Financial Officer
Award
Oct 20, 2025
$0.00
75,000
$0.00
75,000
Banjak Marc
Chief Legal Officer
Award
Oct 20, 2025
$0.00
55,000
$0.00
55,000
Duran Felipe
Chief Financial Officer
Award
Feb 21, 2025
$0.00
84,700
$0.00
84,700
Brenner Martin
See Remarks
Award
Feb 21, 2025
$0.00
230,700
$0.00
230,700
Arkowitz David
Buy
Jan 10, 2025
$49,999.04
18,382
$2.72
18,382
Duran Felipe
Chief Financial Officer
Buy
Jan 10, 2025
$24,999.52
9,191
$2.72
11,139
Sender Gary
Buy
Jan 10, 2025
$24,999.52
9,191
$2.72
9,191
Brenner Martin
See Remarks
Buy
Jan 10, 2025
$24,999.52
9,191
$2.72
18,316
Clark William D
Buy
Jan 10, 2025
$4,999.36
1,838
$2.72
1,838
Banjak Marc
Chief Legal Officer
Buy
Jan 10, 2025
$24,999.52
9,191
$2.72
11,066
Parada Antonio Bernardino Guimaraes
Buy
Jan 10, 2025
$499,998.56
183,823
$2.72
183,823
Kropotova Alexandra
Award
Nov 21, 2024
$0.00
18,900
$0.00
18,900
Parada Antonio Bernardino Guimaraes
Award
Nov 21, 2024
$0.00
12,600
$0.00
12,600
Sender Gary
Award
Nov 21, 2024
$0.00
18,900
$0.00
18,900
Clark William D
Award
Nov 21, 2024
$0.00
18,900
$0.00
18,900
Arkowitz David
Award
Nov 21, 2024
$0.00
12,600
$0.00
12,600
Schimmelpennink Evert B.
Award
Nov 21, 2024
$0.00
18,900
$0.00
18,900