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 Q3 2017?

97 institutional investors reported CTMX - CytomX Therapeutics, Inc. - Common Stock, par value $0.00001 per share for Q3 2017. Use the holders table for investor-level position and value details.

CUSIP: 23284F105

Q3 2017 13F Holders as of 30 Sep 2017

Type / Class: Equity / Common Stock, par value $0.00001 per share
Shares outstanding: 217,291,620
Total 13F shares: 24,242,512
Share change: +2,154,656
Total reported value: $440,733,363
Price per share: $18.17
Number of holders: 97
Value change: +$42,038,227
Number of buys: 60
Number of sells: 31

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.

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: Q4 2017
Previous quarter: Q2 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%	5,512,459	$85,444,000	—	30 Jun 2017	13F
BVF INC/IL	13F	Company	0.93%	2,026,998	$31,418,000	—	30 Jun 2017	13F
BlackRock Finance, Inc.	13F	Company	0.83%	1,812,512	$28,093,000	—	30 Jun 2017	13F
PERCEPTIVE ADVISORS LLC	13F	Company	0.64%	1,390,381	$21,550,000	—	30 Jun 2017	13F
VANGUARD GROUP INC	13F	Company	0.43%	924,138	$14,323,000	—	30 Jun 2017	13F
EcoR1 Capital, LLC	13F	Company	0.37%	794,969	$12,322,000	—	30 Jun 2017	13F
DEERFIELD MANAGEMENT COMPANY, L.P.	13F	Company	0.35%	756,822	$11,731,000	—	30 Jun 2017	13F
Redmile Group, LLC	13F	Company	0.32%	698,392	$10,825,000	—	30 Jun 2017	13F
Numeric Investors LLC	13F	Company	0.29%	627,770	$9,730,000	—	30 Jun 2017	13F
Tekla Capital Management LLC	13F	Company	0.24%	530,092	$8,216,000	—	30 Jun 2017	13F
Opaleye Management Inc.	13F	Company	0.21%	460,000	$7,130,000	—	30 Jun 2017	13F
STATE STREET CORP	13F	Company	0.21%	446,315	$6,914,000	—	30 Jun 2017	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.19%	410,900	$6,369,000	—	30 Jun 2017	13F
FRANKLIN RESOURCES INC	13F	Company	0.15%	333,500	$5,169,000	—	30 Jun 2017	13F
NORTHERN TRUST CORP	13F	Company	0.15%	316,586	$4,907,000	—	30 Jun 2017	13F
DRIEHAUS CAPITAL MANAGEMENT LLC	13F	Company	0.13%	290,415	$4,501,000	—	30 Jun 2017	13F
VHCP Management II, LLC	13F	Company	0.13%	288,915	$4,478,000	—	30 Jun 2017	13F
JPMORGAN CHASE & CO	13F	Company	0.11%	242,750	$3,763,000	—	30 Jun 2017	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	0.11%	242,690	$3,762,000	—	30 Jun 2017	13F
Spark Investment Management LLC	13F	Company	0.11%	236,900	$3,671,000	—	30 Jun 2017	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.11%	234,763	$3,638,000	—	30 Jun 2017	13F
Cormorant Asset Management, LP	13F	Company	0.11%	230,000	$3,565,000	—	30 Jun 2017	13F
SPHERA FUNDS MANAGEMENT LTD.	13F	Company	0.09%	200,000	$3,100,000	—	30 Jun 2017	13F
S.c.a. Candriam	13F	Individual	0.09%	195,000	$3,023,000	—	30 Jun 2017	13F
Casdin Capital, LLC	13F	Company	0.08%	177,500	$2,751,000	—	30 Jun 2017	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.08%	169,552	$2,628,000	—	30 Jun 2017	13F
EVENTIDE ASSET MANAGEMENT, LLC	13F	Company	0.07%	150,000	$2,325,000	—	30 Jun 2017	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.06%	127,776	$1,980,000	—	30 Jun 2017	13F
PANAGORA ASSET MANAGEMENT INC	13F	Company	0.06%	125,890	$1,951,000	—	30 Jun 2017	13F
Invesco Ltd.	13F	Company	0.06%	121,683	$1,886,000	—	30 Jun 2017	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.05%	117,642	$1,824,000	—	30 Jun 2017	13F
Bank of New York Mellon Corp	13F	Company	0.05%	115,777	$1,794,000	—	30 Jun 2017	13F
Private Advisor Group, LLC	13F	Company	0.05%	100,000	$1,640,000	—	30 Jun 2017	13F
DEUTSCHE BANK AG\	13F	Company	0.05%	105,283	$1,631,000	—	30 Jun 2017	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.05%	104,804	$1,625,000	—	30 Jun 2017	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.05%	102,497	$1,589,000	—	30 Jun 2017	13F
NORDEA INVESTMENT MANAGEMENT AB	13F	Company	0.04%	93,613	$1,451,000	—	30 Jun 2017	13F
Vident Investment Advisory, LLC	13F	Company	0.04%	83,392	$1,293,000	—	30 Jun 2017	13F
Foundry Partners, LLC	13F	Company	0.04%	76,498	$1,186,000	—	30 Jun 2017	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	0.03%	73,690	$1,142,000	—	30 Jun 2017	13F
MORGAN STANLEY	13F	Company	0.03%	73,350	$1,137,000	—	30 Jun 2017	13F
TFS CAPITAL LLC	13F	Company	0.03%	61,010	$946,000	—	30 Jun 2017	13F
Iguana Healthcare Management, LLC	13F	Company	0.03%	60,000	$930,000	—	30 Jun 2017	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	0.03%	59,516	$922,000	—	30 Jun 2017	13F
TEACHERS ADVISORS, LLC	13F	Company	0.02%	52,211	$809,000	—	30 Jun 2017	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.02%	51,430	$797,000	—	30 Jun 2017	13F
STRS OHIO	13F	Company	0.02%	47,600	$737,000	—	30 Jun 2017	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.02%	41,233	$639,000	—	30 Jun 2017	13F
HARBOURVEST PARTNERS LLC	13F	Company	0.02%	39,199	$608,000	—	30 Jun 2017	13F
Of The University Of California Regents	13F	Individual	0.02%	36,499	$566,000	—	30 Jun 2017	13F

Institutional Holders of CytomX Therapeutics, Inc. - Common Stock, par value $0.00001 per share (CTMX) as of Q3 2017

As of 30 Sep 2017, CytomX Therapeutics, Inc. - Common Stock, par value $0.00001 per share (CTMX) was held by 97 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 24,242,512 shares. The largest 10 holders included FMR LLC, BVF INC/IL, BlackRock Inc., PERCEPTIVE ADVISORS LLC, VANGUARD GROUP INC, STATE STREET CORP, EcoR1 Capital, LLC, DEERFIELD MANAGEMENT CO, MILLENNIUM MANAGEMENT LLC, and RENAISSANCE TECHNOLOGIES LLC. This page lists 97 institutional shareholders reporting positions in this security for the Q3 2017 filing period.

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

Compare Q3 2017 vs Q2 2017 Across Filers

Q2 2017 holders

Q3 2017 holders

Holder diff

Investor	Q2 2017 Shares	Q3 2017 Shares	Share Diff	Share Chg %	Q2 2017 Value $	Q3 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.