CytomX Therapeutics, Inc. - Common Stock, par value $0.00001 per share (CTMX)

Q: What does CUSIP 23284F105 represent in this 13F holders report?

CUSIP 23284F105 is the security identifier for CTMX - CytomX Therapeutics, Inc. - Common Stock, par value $0.00001 per share used to aggregate holder disclosures.

Q: How many institutions held CTMX - CytomX Therapeutics, Inc. - Common Stock, par value $0.00001 per share in Q4 2017?

119 institutional investors reported CTMX - CytomX Therapeutics, Inc. - Common Stock, par value $0.00001 per share for Q4 2017. Use the holders table for investor-level position and value details.

CUSIP: 23284F105

Q4 2017 13F Holders as of 31 Dec 2017

Type / Class: Equity / Common Stock, par value $0.00001 per share
Shares outstanding: 217,291,620
Total 13F shares: 30,146,848
Share change: +2,443,750
Total reported value: $636,945,631
Price per share: $21.11
Number of holders: 119
Value change: +$56,049,834
Number of buys: 75
Number of sells: 36

Quarterly Holders Quick Answers

What is CUSIP 23284F105?
CUSIP 23284F105 identifies CTMX - CytomX Therapeutics, Inc. - Common Stock, par value $0.00001 per share in SEC institutional holdings data.

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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 23284F105:

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

Top shareholders of CTMX - CytomX Therapeutics, Inc. - Common Stock, par value $0.00001 per share (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	2.5%	5,530,105	$100,482,000	—	30 Sep 2017	13F
BVF INC/IL	13F	Company	1%	2,230,898	$40,535,000	—	30 Sep 2017	13F
BlackRock Finance, Inc.	13F	Company	0.95%	2,059,901	$37,430,000	—	30 Sep 2017	13F
PERCEPTIVE ADVISORS LLC	13F	Company	0.64%	1,390,381	$25,263,000	—	30 Sep 2017	13F
VANGUARD GROUP INC	13F	Company	0.53%	1,148,206	$20,864,000	—	30 Sep 2017	13F
STATE STREET CORP	13F	Company	0.39%	854,018	$15,521,000	—	30 Sep 2017	13F
EcoR1 Capital, LLC	13F	Company	0.38%	829,771	$15,077,000	—	30 Sep 2017	13F
DEERFIELD MANAGEMENT COMPANY, L.P.	13F	Company	0.35%	756,822	$13,751,000	—	30 Sep 2017	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.29%	624,992	$11,356,000	—	30 Sep 2017	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.25%	537,900	$9,774,000	—	30 Sep 2017	13F
Numeric Investors LLC	13F	Company	0.25%	534,865	$9,718,000	—	30 Sep 2017	13F
Tekla Capital Management LLC	13F	Company	0.24%	530,092	$9,632,000	—	30 Sep 2017	13F
Opaleye Management Inc.	13F	Company	0.21%	450,000	$8,176,000	—	30 Sep 2017	13F
Redmile Group, LLC	13F	Company	0.18%	382,271	$6,946,000	—	30 Sep 2017	13F
FRANKLIN RESOURCES INC	13F	Company	0.15%	333,500	$6,060,000	—	30 Sep 2017	13F
NORTHERN TRUST CORP	13F	Company	0.15%	329,511	$5,987,000	—	30 Sep 2017	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.15%	325,925	$5,921,000	—	30 Sep 2017	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.15%	325,165	$5,909,000	—	30 Sep 2017	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	0.14%	310,083	$5,634,000	—	30 Sep 2017	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.11%	237,699	$4,319,000	—	30 Sep 2017	13F
JPMORGAN CHASE & CO	13F	Company	0.11%	238,550	$4,310,000	—	30 Sep 2017	13F
Spark Investment Management LLC	13F	Company	0.11%	236,900	$4,304,000	—	30 Sep 2017	13F
SPHERA FUNDS MANAGEMENT LTD.	13F	Company	0.1%	210,000	$3,816,000	—	30 Sep 2017	13F
Private Advisor Group, LLC	13F	Company	0.09%	185,187	$3,661,000	—	30 Sep 2017	13F
DEUTSCHE BANK AG\	13F	Company	0.09%	198,330	$3,602,000	—	30 Sep 2017	13F
MORGAN STANLEY	13F	Company	0.09%	195,869	$3,558,000	—	30 Sep 2017	13F
Casdin Capital, LLC	13F	Company	0.08%	177,500	$3,225,000	—	30 Sep 2017	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	0.08%	169,799	$3,085,000	—	30 Sep 2017	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.08%	168,223	$3,057,000	—	30 Sep 2017	13F
OXFORD ASSET MANAGEMENT LLP	13F	Company	0.08%	166,079	$3,001,000	—	30 Sep 2017	13F
S.c.a. Candriam	13F	Individual	0.08%	165,000	$2,998,000	—	30 Sep 2017	13F
BOGLE INVESTMENT MANAGEMENT L P /DE/	13F	Company	0.08%	163,852	$2,977,000	—	30 Sep 2017	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.06%	136,861	$2,487,000	—	30 Sep 2017	13F
Invesco Ltd.	13F	Company	0.06%	133,916	$2,433,000	—	30 Sep 2017	13F
Bank of New York Mellon Corp	13F	Company	0.06%	129,182	$2,347,000	—	30 Sep 2017	13F
PANAGORA ASSET MANAGEMENT INC	13F	Company	0.06%	125,890	$2,287,000	—	30 Sep 2017	13F
FIL Ltd	13F	Company	0.05%	114,905	$2,088,000	—	30 Sep 2017	13F
Cormorant Asset Management, LP	13F	Company	0.05%	100,000	$1,817,000	—	30 Sep 2017	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.04%	96,232	$1,749,000	—	30 Sep 2017	13F
Vident Investment Advisory, LLC	13F	Company	0.04%	85,539	$1,554,000	—	30 Sep 2017	13F
Foundry Partners, LLC	13F	Company	0.04%	76,275	$1,386,000	—	30 Sep 2017	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	0.03%	73,690	$1,339,000	—	30 Sep 2017	13F
Iguana Healthcare Management, LLC	13F	Company	0.03%	70,000	$1,272,000	—	30 Sep 2017	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.03%	60,739	$1,104,000	—	30 Sep 2017	13F
Allianz Asset Management GmbH	13F	Company	0.03%	54,788	$995,000	—	30 Sep 2017	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.02%	52,900	$961,000	—	30 Sep 2017	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	0.02%	52,636	$956,000	—	30 Sep 2017	13F
TEACHERS ADVISORS, LLC	13F	Company	0.02%	52,211	$949,000	—	30 Sep 2017	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.02%	46,446	$844,000	—	30 Sep 2017	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	0.02%	46,376	$842,000	—	30 Sep 2017	13F

Institutional Holders of CytomX Therapeutics, Inc. - Common Stock, par value $0.00001 per share (CTMX) as of Q4 2017

As of 31 Dec 2017, CytomX Therapeutics, Inc. - Common Stock, par value $0.00001 per share (CTMX) was held by 119 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 30,146,848 shares. The largest 10 holders included FMR LLC, TRV GP, LLC, BlackRock Inc., PERCEPTIVE ADVISORS LLC, Vanguard Group Inc, BVF INC/IL, STATE STREET CORP, MILLENNIUM MANAGEMENT LLC, DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C), and Numeric Investors LLC. This page lists 119 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

119

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.