Protagonist Therapeutics, Inc PTGX
We take great care to ensure that the data presented and summarized in this overview for Protagonist Therapeutics, Inc is accurate and up-to-date, based on a comprehensive analysis of 13F filing forms for institutional ownership and form 4 filings for insider transactions. Please note that this data may differ from other sources and should not be relied upon as the sole basis for investment decisions.
Top Institutions Holding PTGX
View all-
Farallon Capital Management LLC San Francisco, CA6.2MShares$524 Million1.78% of portfolio
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Black Rock Inc. New York, NY5.76MShares$487 Million0.0% of portfolio
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Rtw Investments, LP New York, NY5.76MShares$487 Million5.11% of portfolio
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Vanguard Group Inc Valley Forge, PA4.26MShares$360 Million0.0% of portfolio
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State Street Corp Boston, MA3.17MShares$268 Million0.01% of portfolio
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Bvf Inc San Francisco, CA2.56MShares$217 Million9.2% of portfolio
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Johnson & Johnson New Brunswick, NJ2.45MShares$207 Million38.07% of portfolio
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Wellington Management Group LLP Boston, MA1.91MShares$161 Million0.02% of portfolio
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Ubs Group Ag1.9MShares$160 Million0.02% of portfolio
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Deep Track Capital, LP Greenwich, CT1.72MShares$145 Million3.6% of portfolio
Latest Institutional Activity in PTGX
Top Purchases
Top Sells
About PTGX
Protagonist Therapeutics, Inc., a biopharmaceutical company, discovers and develops peptide-based therapeutic drugs to address hematology and blood disorders, and inflammatory and immunomodulatory diseases. It is developing rusfertide (PTG-300), an injectable hepcidin mimetic that is in Phase II clinical trials for the treatment of patients with polycythemia vera and hereditary hemochromatosis, as well as for the treatment of other blood disorders; PN-943, an oral, alpha-4-beta-7 integrin- specific antagonist peptide that is in Phase II clinical trials for treating inflammatory bowel disease (IBD); and PN-235, an orally delivered interleukin-23 receptor specific antagonist for the treatment of IBD and non-IBD indications. The company has a license and collaboration agreement with Janssen Biotech, Inc. Protagonist Therapeutics, Inc. was incorporated in 2006 and is headquartered in Newark, California.
Insider Transactions at PTGX
Insider Transaction List
View all| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Nov 21
2025
|
Dinesh V Ph D Patel President and CEO |
SELL
Bona fide gift
|
Direct |
440
-0.08%
|
-
|
|
Nov 17
2025
|
Arturo Md Molina Chief Medical Officer |
SELL
Open market or private sale
|
Direct |
2,712
-3.23%
|
$227,808
$84.77 P/Share
|
|
Oct 10
2025
|
William D. Waddill Director |
SELL
Open market or private sale
|
Direct |
12,000
-42.14%
|
$936,000
$78.53 P/Share
|
|
Oct 10
2025
|
William D. Waddill Director |
BUY
Exercise of conversion of derivative security
|
Direct |
12,000
+41.19%
|
$72,000
$6.98 P/Share
|
|
Sep 22
2025
|
William D. Waddill Director |
SELL
Open market or private sale
|
Direct |
4,000
-43.81%
|
$256,000
$64.25 P/Share
|
|
Sep 16
2025
|
Dinesh V Ph D Patel President and CEO |
SELL
Bona fide gift
|
Direct |
620
-0.12%
|
-
|
|
Aug 27
2025
|
William D. Waddill Director |
SELL
Open market or private sale
|
Direct |
4,000
-30.46%
|
$236,000
$59.25 P/Share
|
|
Jul 25
2025
|
Dinesh V Ph D Patel President and CEO |
SELL
Open market or private sale
|
Direct |
10,415
-1.96%
|
$562,410
$54.78 P/Share
|
|
Jul 23
2025
|
Dinesh V Ph D Patel President and CEO |
SELL
Open market or private sale
|
Direct |
17,520
-3.19%
|
$946,080
$54.79 P/Share
|
|
Jul 22
2025
|
Dinesh V Ph D Patel President and CEO |
SELL
Open market or private sale
|
Direct |
22,065
-3.87%
|
$1,213,575
$55.05 P/Share
|
|
Jul 21
2025
|
Dinesh V Ph D Patel President and CEO |
SELL
Open market or private sale
|
Direct |
12,859
-2.2%
|
$694,386
$54.86 P/Share
|
|
Jul 21
2025
|
Dinesh V Ph D Patel President and CEO |
BUY
Grant, award, or other acquisition
|
Direct |
25,000
+4.11%
|
-
|
|
Jul 16
2025
|
Dinesh V Ph D Patel President and CEO |
SELL
Bona fide gift
|
Direct |
5,000
-0.89%
|
-
|
|
Jun 16
2025
|
Dinesh V Ph D Patel President and CEO |
SELL
Bona fide gift
|
Direct |
685
-0.12%
|
-
|
|
Jun 13
2025
|
Dinesh V Ph D Patel President and CEO |
SELL
Bona fide gift
|
Direct |
670
-0.12%
|
-
|
|
Jun 10
2025
|
Arturo Md Molina Chief Medical Officer |
SELL
Open market or private sale
|
Direct |
10,000
-10.65%
|
$570,000
$57.03 P/Share
|
|
Jun 10
2025
|
Arturo Md Molina Chief Medical Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
10,000
+9.63%
|
$80,000
$8.04 P/Share
|
|
Jun 09
2025
|
Arturo Md Molina Chief Medical Officer |
SELL
Open market or private sale
|
Direct |
10,000
-10.65%
|
$550,000
$55.51 P/Share
|
|
Jun 09
2025
|
Arturo Md Molina Chief Medical Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
10,000
+9.63%
|
$80,000
$8.04 P/Share
|
|
Apr 28
2025
|
Harold E Selick Director |
BUY
Exercise of conversion of derivative security
|
Direct |
10,725
+19.65%
|
$10,725
$1.16 P/Share
|
Last 12 Months Summary
| Grant, award, or other acquisition | 273K shares |
|---|---|
| Exercise of conversion of derivative security | 184K shares |
| Payment of exercise price or tax liability | 12.6K shares |
|---|---|
| Bona fide gift | 7.42K shares |
| Open market or private sale | 252K shares |