PTGX
Protagonist Ther (PTGX)
NASDAQ
$140.18+$0.99 (+0.71%)
Price as of Oct 02, 2026 5:07 PM EDT
  • $9.0B
    Market Cap
  • 114.20%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK, INC.
16.03%
10.3M
+528,468 (+5.13%)
Jun 30, 2026
BLACKROCK FUNDING, INC. /DE
15.37%
9.9M
-339,678 (-3.44%)
Dec 31, 2024
FARALLON CAPITAL MANAGEMENT LLC
9.87%
6.3M
0 (0.00%)
Jun 30, 2026
BLACKROCK INC.
8.95%
5.8M
+188,627 (+3.28%)
Jun 30, 2024
VANGUARD GROUP INC
8.42%
5.4M
+1.2M (+21.36%)
Dec 31, 2025
RTW INVESTMENTS, LP
7.87%
5.1M
+2,122 (+0.04%)
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
5.64%
3.6M
+148,087 (+4.08%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions1.2B (75.36%)
  • Mutual Funds381.8M (24.32%)
  • Insiders5.0M (0.32%)
  • Other0 (0.00%)

Insider Transactions

  • 0.32% (5.0M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 6
    Number of InsiderSelling (last 12 months)
  • $578.2M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Ali Asif
Chief Financial Officer
Exempt
Sep 30, 2026
$0.00
9,229
$0.00
29,291
Ali Asif
Chief Financial Officer
Exempt
Sep 30, 2026
$0.00
28,438
$0.00
49,562
Ali Asif
Chief Financial Officer
Exempt
Sep 30, 2026
$0.00
15,650
$0.00
51,150
Ali Asif
Chief Financial Officer
Exempt
Sep 30, 2026
$0.00
5,312
$0.00
25,235
Ali Asif
Chief Financial Officer
Exempt
Sep 30, 2026
$359,746.42
9,229
$38.98
68,232
Ali Asif
Chief Financial Officer
Exempt
Sep 30, 2026
$666,017.96
28,438
$23.42
96,670
Ali Asif
Chief Financial Officer
Exempt
Sep 30, 2026
$300,323.50
15,650
$19.19
112,320
Ali Asif
Chief Financial Officer
Exempt
Sep 30, 2026
$64,647.04
5,312
$12.17
117,632
Ali Asif
Chief Financial Officer
Sell
Sep 30, 2026
$1.8M
12,595
$141.77
105,037
Ali Asif
Chief Financial Officer
Sell
Sep 30, 2026
$6.5M
46,034
$141.78
59,003
PATEL DINESH V PH D
President and CEO
Exempt
Sep 10, 2026
$0.00
7,278
$0.00
0
PATEL DINESH V PH D
President and CEO
Exempt
Sep 10, 2026
$157,059.24
7,278
$21.58
530,246
PATEL DINESH V PH D
President and CEO
Sell
Sep 10, 2026
$1.0M
7,278
$144.10
522,968
PATEL DINESH V PH D
President and CEO
Exempt
Sep 09, 2026
$1.4M
63,548
$21.58
586,516
PATEL DINESH V PH D
President and CEO
Sell
Sep 09, 2026
$9.3M
63,548
$146.18
522,968
PATEL DINESH V PH D
President and CEO
Exempt
Sep 09, 2026
$0.00
63,548
$0.00
7,278
PATEL DINESH V PH D
President and CEO
Exempt
Sep 08, 2026
$0.00
54,174
$0.00
70,826
PATEL DINESH V PH D
President and CEO
Exempt
Sep 08, 2026
$1.2M
54,174
$21.58
577,142
PATEL DINESH V PH D
President and CEO
Sell
Sep 08, 2026
$7.9M
54,174
$145.87
522,968
PATEL DINESH V PH D
President and CEO
Gift
Sep 03, 2026
$0.00
510
$0.00
522,968
Waddill William D.
Exempt
Jun 23, 2026
$0.00
9,000
$0.00
0
Waddill William D.
Exempt
Jun 23, 2026
$148,860.00
9,000
$16.54
16,825
Waddill William D.
Sell
Jun 23, 2026
$1.1M
9,000
$117.94
7,825
Waddill William D.
Exempt
Jun 10, 2026
$0.00
3,000
$0.00
0
Waddill William D.
Exempt
Jun 10, 2026
$0.00
6,000
$0.00
9,000
Waddill William D.
Exempt
Jun 10, 2026
$35,400.00
3,000
$11.80
10,825
Waddill William D.
Exempt
Jun 10, 2026
$99,240.00
6,000
$16.54
16,825
Waddill William D.
Sell
Jun 10, 2026
$969,120.00
9,000
$107.68
7,825
MOLINA ARTURO MD
Chief Medical Officer
Exempt
Mar 26, 2026
$0.00
15,000
$0.00
50,971
Ali Asif
Chief Financial Officer
Exempt
Mar 26, 2026
$0.00
19,500
$0.00
31,300