OBIO
ORCHESTRA (OBIO)
NASDAQ
$4.09+$0.05 (+1.24%)
Price as of Jun 23, 2026 4:10 PM EDT
  • $244.3M
    Market Cap
  • 25.47%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
RTW INVESTMENTS, LP
13.87%
8.3M
0 (0.00%)
Mar 31, 2026
PERCEPTIVE ADVISORS LLC
8.41%
5.0M
-89,350 (-1.77%)
Mar 31, 2026
N/A
3.68%
2.2M
+2.2M (+100.00%)
Mar 31, 2026
BLACKROCK FUNDING, INC. /DE
3.30%
2.0M
+36,439 (+1.84%)
Dec 31, 2024
BLACKROCK INC.
3.11%
1.9M
+423,784 (+22.72%)
Jun 30, 2024
VANGUARD GROUP INC
2.68%
1.6M
+122,681 (+7.65%)
Dec 31, 2025
ALYESKA INVESTMENT GROUP, L.P.
1.67%
1.0M
0 (0.00%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions127.0M (74.82%)
  • Mutual Funds28.3M (16.69%)
  • Insiders14.4M (8.49%)
  • Other0 (0.00%)

Insider Transactions

  • 8.49% (14.4M)
    Current InsiderOwnership (%, shares)
  • 1
    Number of InsiderBuying (last 12 months)
  • $4.6M
    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
Hochman David P
See Remarks
In Kind
Jun 10, 2026
$13,197.66
3,283
$4.02
1.1M
Hochman David P
See Remarks
In Kind
Jun 10, 2026
$13,197.66
3,283
$4.02
436,199
Sherman Darren
See Remarks
In Kind
Mar 25, 2026
$152,258.69
33,317
$4.57
1.2M
Aiello Joshua
Principal Accounting Officer
In Kind
Mar 25, 2026
$1,101.37
241
$4.57
18,644
Hochman David P
See Remarks
In Kind
Mar 25, 2026
$148,241.66
32,438
$4.57
1.1M
Hochman David P
See Remarks
Buy
Mar 13, 2026
$42,900.00
10,000
$4.29
1.1M
Hochman David P
See Remarks
Award
Feb 12, 2026
$0.00
504,000
$0.00
1.1M
Cleary Chris
In Kind
Feb 05, 2026
$2,507.96
676
$3.71
36,901
Sherman Darren
See Remarks
Award
Jan 28, 2026
$0.00
34,974
$0.00
34,974
Taylor Andrew Lawrence
Chief Financial Officer
In Kind
Jan 02, 2026
$14,878.12
3,452
$4.31
451,493
Sherman Darren
See Remarks
In Kind
Jan 02, 2026
$24,084.28
5,588
$4.31
840,569
Aiello Joshua
Principal Accounting Officer
In Kind
Jan 02, 2026
$1,038.71
241
$4.31
18,885
Sherman Darren
See Remarks
In Kind
Nov 25, 2025
$215,819.00
40,340
$5.35
846,157