What does CUSIP 14888U101 represent in this 13F holders report?

CUSIP 14888U101 is the security identifier for CPRX - CATALYST PHARMACEUTICALS, INC. - Common Stock used to aggregate holder disclosures.

How many institutions held CPRX - CATALYST PHARMACEUTICALS, INC. - Common Stock in Q4 2017?

105 institutional investors reported CPRX - CATALYST PHARMACEUTICALS, INC. - Common Stock for Q4 2017. Use the holders table for investor-level position and value details.

CATALYST PHARMACEUTICALS, INC. - Common Stock (CPRX)

CUSIP: 14888U101

Q4 2017 13F Holders as of 31 Dec 2017

Type / Class: Equity / Common Stock
Shares outstanding: 123,180,519
Total 13F shares: 56,055,280
Share change: +20,114,662
Total reported value: $219,183,091
Put/Call ratio: 100%
Price per share: $3.91
Number of holders: 105
Value change: +$80,363,139
Number of buys: 63
Number of sells: 32

Quarterly Holders Quick Answers

What is CUSIP 14888U101?
CUSIP 14888U101 identifies CPRX - CATALYST PHARMACEUTICALS, 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 2018
Previous quarter: Q3 2017

Recent filing periods for CUSIP 14888U101:

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

Top shareholders of CPRX - CATALYST PHARMACEUTICALS, 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
Broadfin Capital, LLC	13F	Company	5.6%	6,892,500	$17,369,000	—	30 Sep 2017	13F
BAKER BROS. ADVISORS LP	13F	Company	4.1%	5,102,153	$12,857,000	—	30 Sep 2017	13F
Avoro Capital Advisors LLC	13F	Company	3.8%	4,635,745	$11,682,000	—	30 Sep 2017	13F
BlackRock Finance, Inc.	13F	Company	3%	3,721,537	$9,379,000	—	30 Sep 2017	13F
VANGUARD GROUP INC	13F	Company	2.5%	3,038,423	$7,657,000	—	30 Sep 2017	13F
JPMORGAN CHASE & CO	13F	Company	1.2%	1,509,500	$3,759,000	—	30 Sep 2017	13F
STATE STREET CORP	13F	Company	0.77%	944,295	$2,382,000	—	30 Sep 2017	13F
KENNEDY CAPITAL MANAGEMENT LLC	13F	Company	0.73%	900,618	$2,270,000	—	30 Sep 2017	13F
NORTHERN TRUST CORP	13F	Company	0.66%	811,513	$2,045,000	—	30 Sep 2017	13F
AJO, LP	13F	Company	0.62%	766,233	$1,931,000	—	30 Sep 2017	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.51%	627,212	$1,580,000	—	30 Sep 2017	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.47%	581,600	$1,466,000	—	30 Sep 2017	13F
S.c.a. Candriam	13F	Individual	0.45%	560,000	$1,411,000	—	30 Sep 2017	13F
GSA CAPITAL PARTNERS LLP	13F	Company	0.39%	479,196	$1,208,000	—	30 Sep 2017	13F
DEUTSCHE BANK AG\	13F	Company	0.36%	446,065	$1,124,000	—	30 Sep 2017	13F
Consonance Capital Management LP	13F	Company	0.3%	369,298	$931,000	—	30 Sep 2017	13F
David M. Knott	13F	Individual	0.3%	365,110	$920,000	—	30 Sep 2017	13F
MORGAN STANLEY	13F	Company	0.3%	365,038	$920,000	—	30 Sep 2017	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	0.29%	352,626	$889,000	—	30 Sep 2017	13F
FMR LLC	13F	Company	0.24%	300,000	$756,000	—	30 Sep 2017	13F
TANAKA CAPITAL MANAGEMENT INC	13F	Company	0.2%	241,078	$608,000	—	30 Sep 2017	13F
Crestline Management, LP	13F	Company	0.18%	223,019	$562,000	—	30 Sep 2017	13F
Bank of New York Mellon Corp	13F	Company	0.17%	213,836	$539,000	—	30 Sep 2017	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.16%	191,273	$482,000	—	30 Sep 2017	13F
ROYAL BANK OF CANADA	13F	Company	0.14%	171,487	$432,000	—	30 Sep 2017	13F
OXFORD ASSET MANAGEMENT LLP	13F	Company	0.11%	138,329	$344,000	—	30 Sep 2017	13F
TEACHERS ADVISORS, LLC	13F	Company	0.1%	126,696	$319,000	—	30 Sep 2017	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.1%	120,500	$304,000	—	30 Sep 2017	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.1%	117,600	$296,000	—	30 Sep 2017	13F
CORRADO ADVISORS, LLC	13F	Company	0.08%	95,100	$240,000	—	30 Sep 2017	13F
A.R.T. Advisors, LLC	13F	Company	0.06%	77,407	$195,000	—	30 Sep 2017	13F
Squarepoint Ops LLC	13F	Company	0.06%	76,900	$194,000	—	30 Sep 2017	13F
RHUMBLINE ADVISERS	13F	Company	0.06%	76,796	$194,000	—	30 Sep 2017	13F
MANUFACTURERS LIFE INSURANCE COMPANY, THE	13F	Company	0.05%	60,682	$153,000	—	30 Sep 2017	13F
SG Americas Securities, LLC	13F	Company	0.05%	57,050	$144,000	—	30 Sep 2017	13F
STATE OF WISCONSIN INVESTMENT BOARD	13F	Company	0.04%	54,000	$136,000	—	30 Sep 2017	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.04%	50,794	$128,000	—	30 Sep 2017	13F
AMERICAN INTERNATIONAL GROUP, INC.	13F	Company	0.04%	47,965	$121,000	—	30 Sep 2017	13F
CREDIT SUISSE AG/	13F	Company	0.04%	47,704	$120,000	—	30 Sep 2017	13F
BARCLAYS PLC	13F	Company	0.04%	46,080	$116,000	—	30 Sep 2017	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.04%	45,568	$115,000	—	30 Sep 2017	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.03%	41,332	$104,000	—	30 Sep 2017	13F
Nationwide Fund Advisors	13F	Company	0.03%	40,137	$101,000	—	30 Sep 2017	13F
VOYA INVESTMENT MANAGEMENT LLC	13F	Company	0.03%	32,973	$83,000	—	30 Sep 2017	13F
Virtu Financial LLC	13F	Company	0.02%	30,372	$77,000	—	30 Sep 2017	13F
Weiss Multi-Strategy Advisers LLC	13F	Company	0.02%	30,000	$76,000	—	30 Sep 2017	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.02%	29,128	$74,000	—	30 Sep 2017	13F
GUGGENHEIM CAPITAL LLC	13F	Company	0.02%	27,244	$68,000	—	30 Sep 2017	13F
First Allied Advisory Services, Inc.	13F	Company	0.02%	26,000	$66,000	—	30 Sep 2017	13F
JANE STREET GROUP, LLC	13F	Company	0.02%	23,999	$60,000	—	30 Sep 2017	13F

Institutional Holders of CATALYST PHARMACEUTICALS, INC. - Common Stock (CPRX) as of Q4 2017

As of 31 Dec 2017, CATALYST PHARMACEUTICALS, INC. - Common Stock (CPRX) was held by 105 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 56,055,280 shares. The largest 10 holders included Broadfin Capital, LLC, BAKER BROS. ADVISORS LP, Consonance Capital Management LP, BlackRock Inc., venBio Select Advisor LLC, GREAT POINT PARTNERS LLC, Vanguard Group Inc, MILLENNIUM MANAGEMENT LLC, JPMORGAN CHASE & CO, and EMERALD ADVISERS INC/PA. This page lists 105 institutional shareholders reporting positions in this security for the Q4 2017 filing period.

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

Compare Q4 2017 vs Q3 2017 Across Filers

Q3 2017 holders

Q4 2017 holders

105

Holder diff

Investor	Q3 2017 Shares	Q4 2017 Shares	Share Diff	Share Chg %	Q3 2017 Value $	Q4 2017 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.