• $200.5M
    Market Cap
  • N/A
    1-Year Change
  • Diagnostics & Research
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BROADWOOD CAPITAL INC
44.45%
11.9M
+521,739 (+4.37%)
Mar 31, 2026
AWM INVESTMENT COMPANY, INC.
10.45%
2.8M
-7,974 (-0.28%)
Mar 31, 2026
PURA VIDA INVESTMENTS, LLC
3.53%
947,134
0 (0.00%)
Mar 31, 2026
ALYESKA INVESTMENT GROUP, L.P.
3.13%
840,777
+840,777 (+100.00%)
Mar 31, 2026
N/A
2.00%
537,161
+537,161 (+100.00%)
Mar 31, 2026
VANGUARD GROUP INC
1.96%
526,675
+39,937 (+7.58%)
Dec 31, 2025
HEIGHTS CAPITAL MANAGEMENT, INC
1.46%
392,545
+392,545 (+100.00%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions35.6M (64.12%)
  • Insiders18.2M (32.80%)
  • Mutual Funds1.7M (3.09%)
  • Other0 (0.00%)

Insider Transactions

  • 32.80% (18.2M)
    Current InsiderOwnership (%, shares)
  • 1
    Number of InsiderBuying (last 12 months)
  • $197.0M
    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
BROADWOOD PARTNERS LP
Buy
Apr 27, 2026
$913,133.89
250,923
$3.64
12.7M
BROADWOOD PARTNERS LP
Buy
Apr 27, 2026
$0.00
0
$0.00
12.7M
BROADWOOD PARTNERS LP
Buy
Apr 24, 2026
$137,083.10
38,880
$3.53
12.4M
BROADWOOD PARTNERS LP
Buy
Apr 24, 2026
$0.00
0
$0.00
12.4M
BROADWOOD PARTNERS LP
Buy
Apr 23, 2026
$982,034.45
280,381
$3.50
12.4M
BROADWOOD PARTNERS LP
Buy
Apr 23, 2026
$0.00
0
$0.00
12.4M
Liu James Yang
VP ACCT, Cntlr, Treasurer, PAO
Exempt
Mar 26, 2026
$0.00
6,289
$0.00
12,578
Riggs Josh
CEO and President
Exempt
Mar 26, 2026
$0.00
47,170
$0.00
141,509
James Andrea S.
Chief Financial Officer
Exempt
Mar 26, 2026
$0.00
28,302
$0.00
84,905
Riggs Josh
CEO and President
Exempt
Mar 26, 2026
$0.00
47,170
$0.00
50,675
Liu James Yang
VP ACCT, Cntlr, Treasurer, PAO
Exempt
Mar 26, 2026
$0.00
6,289
$0.00
6,289
Riggs Josh
CEO and President
In Kind
Mar 26, 2026
$50,594.10
12,310
$4.11
38,365
James Andrea S.
Chief Financial Officer
Exempt
Mar 26, 2026
$0.00
28,302
$0.00
217,358
Liu James Yang
VP ACCT, Cntlr, Treasurer, PAO
In Kind
Mar 26, 2026
$10,595.58
2,578
$4.11
3,711
James Andrea S.
Chief Financial Officer
In Kind
Mar 26, 2026
$46,434.78
11,298
$4.11
206,060
BROADWOOD PARTNERS LP
Buy
Feb 10, 2026
$3.0M
521,739
$5.75
11.9M
BROADWOOD PARTNERS LP
Buy
Feb 10, 2026
$0.00
0
$0.00
11.9M
James Andrea S.
Chief Financial Officer
Return
Oct 31, 2025
$0.00
50,000
$0.00
50,000
James Andrea S.
Chief Financial Officer
Exempt
Oct 31, 2025
$0.00
50,000
$0.00
201,231
Liu James Yang
VP ACCT, Cntlr, Treasurer, PAO
Award
Sep 28, 2025
$0.00
18,000
$0.00
18,000
James Andrea S.
Chief Financial Officer
Award
Sep 28, 2025
$0.00
235,000
$0.00
235,000
Riggs Josh
CEO and President
Award
Sep 28, 2025
$0.00
400,000
$0.00
400,000
Arno Andrew
Award
Jul 01, 2025
$0.00
55,000
$0.00
136,554
Last Andrew J.
Award
Jul 01, 2025
$0.00
35,000
$0.00
39,509
SILVERMAN LOU
Award
Jul 01, 2025
$0.00
35,000
$0.00
36,564