OBIO
ORCHESTRA (OBIO)
NASDAQ
$6.11-$0.010 (-0.16%)
Price as of Sep 11, 2026 7:30 PM EDT
  • $367.8M
    Market Cap
  • 138.13%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
RTW INVESTMENTS, LP
15.96%
9.6M
+1.3M (+13.08%)
Jun 30, 2026
PERCEPTIVE ADVISORS LLC
8.41%
5.0M
0 (0.00%)
Jun 30, 2026
BLACKROCK, INC.
4.19%
2.5M
+1.9M (+74.68%)
Jun 30, 2026
N/A
3.68%
2.2M
+2.2M (+100.00%)
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
3.38%
2.0M
-181,403 (-8.97%)
Jun 30, 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

Current Ownership Distribution

  • Institutions155.1M (75.94%)
  • Mutual Funds35.4M (17.35%)
  • Insiders13.7M (6.71%)
  • Other0 (0.00%)

Insider Transactions

  • 6.71% (13.7M)
    Current InsiderOwnership (%, shares)
  • 2
    Number of InsiderBuying (last 12 months)
  • $9.7M
    Amount of InsiderBuying (last 12 months)
  • 1
    Number of InsiderSelling (last 12 months)
  • $10.5M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Hochman David P
See Remarks
Buy
Sep 03, 2026
$47,900.00
10,000
$4.79
1.1M
Sherman Darren
See Remarks
Sell
Sep 01, 2026
$74,100.00
15,000
$4.94
1.1M
Taylor Andrew Lawrence
Chief Financial Officer
In Kind
Aug 26, 2026
$16,179.76
3,076
$5.26
589,989
Sherman Darren
See Remarks
In Kind
Aug 26, 2026
$25,905.50
4,925
$5.26
1.1M
Sherman Darren
See Remarks
Buy
Aug 26, 2026
$10,660.00
2,000
$5.33
2,000
Pacitti David
In Kind
Aug 12, 2026
$16,623.62
3,761
$4.42
54,750
Cleary Chris
In Kind
Aug 12, 2026
$18,731.96
4,238
$4.42
29,153
Fain Eric S
In Kind
Aug 12, 2026
$22,740.90
5,145
$4.42
99,630
Sherman Darren
See Remarks
Sell
Jul 01, 2026
$64,050.00
15,000
$4.27
1.2M
Mack John Prosper
In Kind
Jun 24, 2026
$0.00
3,510
$0.00
71,429
Fain Eric S
In Kind
Jun 24, 2026
$0.00
4,261
$0.00
104,775
Yanchik Connealy Pamela
Award
Jun 23, 2026
$0.00
21,277
$0.00
21,277
Fain Eric S
Award
Jun 23, 2026
$0.00
21,277
$0.00
21,277
Mack John Prosper
Award
Jun 23, 2026
$0.00
34,653
$0.00
74,939
Fain Eric S
Award
Jun 23, 2026
$0.00
17,327
$0.00
109,036
Yanchik Connealy Pamela
Award
Jun 23, 2026
$0.00
17,327
$0.00
66,038
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
Hochman David P
See Remarks
In Kind
Mar 25, 2026
$148,241.66
32,438
$4.57
1.1M
Aiello Joshua
Principal Accounting Officer
In Kind
Mar 25, 2026
$1,101.37
241
$4.57
18,644
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
Aiello Joshua
Principal Accounting Officer
In Kind
Jan 02, 2026
$1,038.71
241
$4.31
18,885
Sherman Darren
See Remarks
In Kind
Jan 02, 2026
$24,084.28
5,588
$4.31
840,569
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
Nov 25, 2025
$215,819.00
40,340
$5.35
846,157