OBIO
ORCHESTRA (OBIO)
NASDAQ
$3.84-$0.07 (-1.84%)
Price as of Jun 03, 2026 7:55 PM EDT
  • $234.1M
    Market Cap
  • 20.68%
    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 (74.80%)
  • Mutual Funds28.3M (16.69%)
  • Insiders14.5M (8.52%)
  • Other0 (0.00%)

Insider Transactions

  • 8.52% (14.5M)
    Current InsiderOwnership (%, shares)
  • 6
    Number of InsiderBuying (last 12 months)
  • $23.8M
    Amount of InsiderBuying (last 12 months)
  • 2
    Number of InsiderSelling (last 12 months)
  • $44.0M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Sherman Darren
See Remarks
Sell
Jun 01, 2026
$58,050.00
15,000
$3.87
1.2M
Sherman Darren
See Remarks
In Kind
May 28, 2026
$19,601.50
4,925
$3.98
1.2M
Taylor Andrew Lawrence
Chief Financial Officer
In Kind
May 28, 2026
$12,242.48
3,076
$3.98
629,417
Fain Eric S
Buy
May 14, 2026
$82,600.00
20,000
$4.13
91,709
RTW INVESTMENTS, LP
In The Money
Apr 27, 2026
$3.4M
1.3M
$2.75
2.4M
RTW INVESTMENTS, LP
In The Money
Apr 27, 2026
$125.00
1.3M
$0.00
9.6M
RTW INVESTMENTS, LP
Sell
Apr 27, 2026
$132.16
32
$4.13
9.6M
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
Sherman Darren
See Remarks
In Kind
Mar 25, 2026
$152,258.69
33,317
$4.57
1.2M
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
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
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
Hochman David P
See Remarks
Buy
Nov 14, 2025
$20,350.00
5,000
$4.07
612,822
Hochman David P
See Remarks
In Kind
Nov 13, 2025
$13,722.94
3,283
$4.18
607,822
Hochman David P
See Remarks
In Kind
Nov 13, 2025
$13,722.94
3,283
$4.18
442,765
Hochman David P
See Remarks
In Kind
Sep 17, 2025
$99,273.30
40,355
$2.46
611,105
Hochman David P
See Remarks
In Kind
Sep 17, 2025
$8,076.18
3,283
$2.46
446,048
Aiello Joshua
Principal Accounting Officer
In Kind
Sep 17, 2025
$499.38
203
$2.46
19,126
Sherman Darren
See Remarks
In Kind
Sep 03, 2025
$109,724.80
40,340
$2.72
886,497
Taylor Andrew Lawrence
Chief Financial Officer
Buy
Aug 25, 2025
$5,100.00
2,000
$2.55
482,788
Sherman Darren
See Remarks
Buy
Aug 25, 2025
$7,860.00
3,000
$2.62
926,837
Fain Eric S
Buy
Aug 25, 2025
$15,033.60
5,760
$2.61
71,709
Aiello Joshua
Principal Accounting Officer
Award
Aug 07, 2025
$0.00
15,000
$0.00
19,329
Pacitti David
Award
Aug 07, 2025
$0.00
15,000
$0.00
44,968