• $523.3M
    Market Cap
  • -19.79%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
JANUS HENDERSON GROUP PLC
19.67%
1.3M
0 (0.00%)
Mar 31, 2026
JUPITER TOPCO LLC
19.59%
1.3M
+1.3M (+100.00%)
Jun 30, 2026
RA CAPITAL MANAGEMENT, L.P.
9.96%
667,207
0 (0.00%)
Jun 30, 2026
BLACKROCK, INC.
5.21%
348,819
+32,252 (+9.25%)
Jun 30, 2026
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C)
4.83%
323,745
0 (0.00%)
Jun 30, 2026
SATURN V CAPITAL MANAGEMENT LLC
4.66%
311,976
-33,650 (-10.79%)
Jun 30, 2026
VANGUARD GROUP INC
4.39%
293,816
+85,598 (+29.13%)
Dec 31, 2025

Current Ownership Distribution

  • Institutions30.9M (88.27%)
  • Mutual Funds2.7M (7.63%)
  • Insiders1.4M (4.10%)
  • Other0 (0.00%)

Insider Transactions

  • 4.10% (1.4M)
    Current InsiderOwnership (%, shares)
  • 1
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 2
    Number of InsiderSelling (last 12 months)
  • $6.5M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Tsuchimoto Kim R
Sell
Aug 26, 2026
$52,782.55
485
$108.83
11,001
Tsuchimoto Kim R
Sell
Aug 26, 2026
$67,379.40
615
$109.56
10,386
Tsuchimoto Kim R
Sell
Aug 26, 2026
$77,455.00
700
$110.65
9,686
Tsuchimoto Kim R
Sell
Aug 26, 2026
$122,800.32
1,098
$111.84
8,588
Tsuchimoto Kim R
Sell
Aug 26, 2026
$67,983.86
602
$112.93
7,986
Tsuchimoto Kim R
Sell
Aug 26, 2026
$67,165.60
590
$113.84
7,396
Robinson Chandler
Chief Executive Officer
Exempt
Jun 30, 2026
$0.00
12,873
$0.00
93,403
Cittadine Andrew
Chief Operating Officer
Exempt
Jun 30, 2026
$0.00
5,254
$0.00
39,499
Robinson Chandler
Chief Executive Officer
Exempt
Jun 30, 2026
$0.00
12,873
$0.00
103,351
Vu Quan Anh
Chief Financial Officer
Exempt
Jun 30, 2026
$0.00
1,228
$0.00
8,598
Robinson Chandler
Chief Executive Officer
In Kind
Jun 30, 2026
$378,137.56
4,084
$92.59
99,267
Cittadine Andrew
Chief Operating Officer
Exempt
Jun 30, 2026
$0.00
5,254
$0.00
57,923
Vu Quan Anh
Chief Financial Officer
Exempt
Jun 30, 2026
$0.00
1,228
$0.00
2,728
Cittadine Andrew
Chief Operating Officer
In Kind
Jun 30, 2026
$213,790.31
2,309
$92.59
55,614
Vu Quan Anh
Chief Financial Officer
In Kind
Jun 30, 2026
$46,943.13
507
$92.59
2,221
Sweeny Nicole
Award
Jun 26, 2026
$0.00
1,284
$0.00
1,284
Robinson Chandler
Chief Executive Officer
Exempt
Mar 31, 2026
$0.00
6,732
$0.00
106,276
Cittadine Andrew
Chief Operating Officer
Exempt
Mar 31, 2026
$0.00
3,514
$0.00
44,753
Robinson Chandler
Chief Executive Officer
Exempt
Mar 31, 2026
$0.00
6,732
$0.00
92,450
Cittadine Andrew
Chief Operating Officer
Exempt
Mar 31, 2026
$0.00
3,514
$0.00
54,240
Robinson Chandler
Chief Executive Officer
In Kind
Mar 31, 2026
$108,045.88
1,972
$54.79
90,478
Cittadine Andrew
Chief Operating Officer
In Kind
Mar 31, 2026
$86,075.09
1,571
$54.79
52,669
Rodriguez Susan
CCSO
Award
Mar 02, 2026
$0.00
48,728
$0.00
48,728
RIOUX PATRICE
Award
Jan 01, 2026
$0.00
2,000
$0.00
2,000
Robinson Chandler
Chief Executive Officer
Exempt
Dec 31, 2025
$0.00
8,724
$0.00
113,008
Robinson Chandler
Chief Executive Officer
Exempt
Dec 31, 2025
$0.00
8,724
$0.00
88,276
Robinson Chandler
Chief Executive Officer
In Kind
Dec 31, 2025
$167,037.40
2,558
$65.30
85,718
Vu Quan Anh
Chief Financial Officer
Buy
Dec 26, 2025
$104,925.00
1,500
$69.95
1,500
KLAUSNER ARTHUR J
Sell
Dec 18, 2025
$312,499.60
4,660
$67.06
9,223
KLAUSNER ARTHUR J
Sell
Dec 18, 2025
$31,389.49
461
$68.09
8,762