What does CUSIP 74366E102 represent in this 13F holders report?

CUSIP 74366E102 is the security identifier for PTGX - Protagonist Therapeutics, Inc - Common Stock used to aggregate holder disclosures.

How many institutions held PTGX - Protagonist Therapeutics, Inc - Common Stock in Q4 2018?

62 institutional investors reported PTGX - Protagonist Therapeutics, Inc - Common Stock for Q4 2018. Use the holders table for investor-level position and value details.

Protagonist Therapeutics, Inc - Common Stock (PTGX)

CUSIP: 74366E102

Q4 2018 13F Holders as of 31 Dec 2018

Type / Class: Equity / Common Stock
Shares outstanding: 62,457,444
Total 13F shares: 13,856,660
Share change: -1,233,272
Total reported value: $93,215,143
Price per share: $6.73
Number of holders: 62
Value change: -$9,989,308
Number of buys: 26
Number of sells: 38

Quarterly Holders Quick Answers

What is CUSIP 74366E102?
CUSIP 74366E102 identifies PTGX - Protagonist Therapeutics, Inc - Common Stock in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Next holder-history checks

These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.

Back to full security ownership history for the broader multi-quarter picture.
Latest 13F filings for newly reported positions across managers.
Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q1 2019
Previous quarter: Q3 2018

Recent filing periods for CUSIP 74366E102:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of PTGX - Protagonist Therapeutics, Inc - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
FMR LLC	13F	Company	5.5%	3,457,402	$35,577,000	—	30 Sep 2018	13F
BVF INC/IL	13F	Company	4.2%	2,617,967	$26,939,000	—	30 Sep 2018	13F
FARALLON CAPITAL MANAGEMENT LLC	13F	Company	3.6%	2,243,202	$23,083,000	—	30 Sep 2018	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	1.7%	1,033,798	$10,638,000	—	30 Sep 2018	13F
GREAT POINT PARTNERS LLC	13F	Company	1.6%	982,449	$10,109,000	—	30 Sep 2018	13F
Pharmstandard International S.A.	13F	Company	1.2%	750,632	$7,724,000	—	30 Sep 2018	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.86%	537,200	$5,528,000	—	30 Sep 2018	13F
VANGUARD GROUP INC	13F	Company	0.85%	530,495	$5,458,000	—	30 Sep 2018	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.59%	368,017	$3,787,000	—	30 Sep 2018	13F
JENNISON ASSOCIATES LLC	13F	Company	0.56%	349,697	$3,598,000	—	30 Sep 2018	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	0.4%	249,704	$2,570,000	—	30 Sep 2018	13F
JPMORGAN CHASE & CO	13F	Company	0.39%	240,638	$2,476,000	—	30 Sep 2018	13F
BlackRock Finance, Inc.	13F	Company	0.38%	239,422	$2,464,000	—	30 Sep 2018	13F
Tekla Capital Management LLC	13F	Company	0.35%	219,042	$2,254,000	—	30 Sep 2018	13F
DEUTSCHE BANK AG\	13F	Company	0.32%	202,210	$2,081,000	—	30 Sep 2018	13F
WEDGE CAPITAL MANAGEMENT L L P/NC	13F	Company	0.3%	187,851	$1,933,000	—	30 Sep 2018	13F
OXFORD ASSET MANAGEMENT LLP	13F	Company	0.3%	187,653	$1,904,000	—	30 Sep 2018	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	0.24%	148,076	$1,524,000	—	30 Sep 2018	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.23%	144,519	$1,487,000	—	30 Sep 2018	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.23%	143,100	$1,472,000	—	30 Sep 2018	13F
Spark Investment Management LLC	13F	Company	0.22%	138,800	$1,428,000	—	30 Sep 2018	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.19%	117,825	$1,212,000	—	30 Sep 2018	13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	13F	Company	0.15%	92,041	$947,000	—	30 Sep 2018	13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	0.14%	85,600	$881,000	—	30 Sep 2018	13F
Laurion Capital Management LP	13F	Company	0.1%	65,442	$673,000	—	30 Sep 2018	13F
Alambic Investment Management, L.P.	13F	Company	0.1%	65,128	$670,000	—	30 Sep 2018	13F
Bank of New York Mellon Corp	13F	Company	0.1%	63,269	$651,000	—	30 Sep 2018	13F
ALGERT GLOBAL LLC	13F	Company	0.07%	44,477	$458,000	—	30 Sep 2018	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.06%	39,369	$405,000	—	30 Sep 2018	13F
Squarepoint Ops LLC	13F	Company	0.06%	36,110	$372,000	—	30 Sep 2018	13F
CITADEL ADVISORS LLC	13F	Company	0.06%	35,757	$368,000	—	30 Sep 2018	13F
Freedom Investment Management, Inc.	13F	Company	0.06%	37,299	$355,000	—	30 Sep 2018	13F
Trexquant Investment LP	13F	Company	0.05%	29,580	$304,000	—	30 Sep 2018	13F
NORTHERN TRUST CORP	13F	Company	0.05%	29,540	$304,000	—	30 Sep 2018	13F
Walleye Trading LLC	13F	Company	0.04%	27,608	$284,000	—	30 Sep 2018	13F
FRANKLIN STREET ADVISORS INC /NC	13F	Company	0.04%	27,000	$278,000	—	30 Sep 2018	13F
JACOBS LEVY EQUITY MANAGEMENT, INC	13F	Company	0.04%	26,500	$273,000	—	30 Sep 2018	13F
MORGAN STANLEY	13F	Company	0.04%	22,637	$233,000	—	30 Sep 2018	13F
ELEMENT CAPITAL MANAGEMENT LLC	13F	Company	0.03%	19,663	$202,000	—	30 Sep 2018	13F
BlueCrest Capital Management Ltd	13F	Company	0.03%	19,501	$201,000	—	30 Sep 2018	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.03%	19,382	$199,000	—	30 Sep 2018	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	0.03%	16,500	$170,000	—	30 Sep 2018	13F
STATE STREET CORP	13F	Company	0.02%	14,640	$151,000	—	30 Sep 2018	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.02%	13,600	$140,000	—	30 Sep 2018	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.02%	12,601	$130,000	—	30 Sep 2018	13F
A.R.T. Advisors, LLC	13F	Company	0.02%	11,809	$121,000	—	30 Sep 2018	13F
D. E. Shaw & Co., Inc.	13F	Company	0.02%	11,195	$115,000	—	30 Sep 2018	13F
UBS Group AG	13F	Company	0.01%	7,055	$73,000	—	30 Sep 2018	13F
MACQUARIE GROUP LTD	13F	Company	0.01%	6,426	$66,000	—	30 Sep 2018	13F
Russell Investments Group, Ltd.	13F	Company	0.01%	5,900	$61,000	—	30 Sep 2018	13F

Institutional Holders of Protagonist Therapeutics, Inc - Common Stock (PTGX) as of Q4 2018

As of 31 Dec 2018, Protagonist Therapeutics, Inc - Common Stock (PTGX) was held by 62 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 13,856,660 shares. The largest 10 holders included FMR LLC, FARALLON CAPITAL MANAGEMENT LLC, BVF INC/IL, GREAT POINT PARTNERS LLC, MILLENNIUM MANAGEMENT LLC, Vanguard Group Inc, DIMENSIONAL FUND ADVISORS LP, VHCP Management III, LLC, RENAISSANCE TECHNOLOGIES LLC, and BlackRock Inc.. This page lists 62 institutional shareholders reporting positions in this security for the Q4 2018 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q4 2018 vs Q3 2018 Across Filers

Q3 2018 holders

Q4 2018 holders

Holder diff

Investor	Q3 2018 Shares	Q4 2018 Shares	Share Diff	Share Chg %	Q3 2018 Value $	Q4 2018 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.