CytomX Therapeutics, Inc. - Common Stock, $0.00001 par value per share ("Common Stock") (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, $0.00001 par value per share ("Common Stock") used to aggregate holder disclosures.

Q: How many institutions held CTMX - CytomX Therapeutics, Inc. - Common Stock, $0.00001 par value per share ("Common Stock") in Q1 2019?

110 institutional investors reported CTMX - CytomX Therapeutics, Inc. - Common Stock, $0.00001 par value per share ("Common Stock") for Q1 2019. Use the holders table for investor-level position and value details.

CUSIP: 23284F105

Q1 2019 13F Holders as of 31 Mar 2019

Type / Class: Equity / Common Stock, $0.00001 par value per share ("Common Stock")
Shares outstanding: 217,079,600
Total 13F shares: 36,897,584
Share change: -706,954
Total reported value: $396,629,592
Price per share: $10.75
Number of holders: 110
Value change: -$12,805,896
Number of buys: 59
Number of sells: 47

Security key

23284F105

Report period

Q1 2019

Institutions

110

Top holders

CTMX full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2019 Previous quarter: Q4 2018 CytomX Therapeutics, Inc. SEC filings CytomX Therapeutics, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 23284F105

Newer quarter: Q2 2019 Previous quarter: Q4 2018

Recent filing periods:

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

Ownership snapshot

Top shareholders of CTMX - CytomX Therapeutics, Inc. - Common Stock, $0.00001 par value per share ("Common Stock") (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Lead holder

FMR LLC

13D/G signal

—

Evidence rows

Latest as of

31 Dec 2018

13F Lead comparable stake: 2.7% Showing first 8 of 50 holder rows. Open remaining rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
FMR LLC	13F Company 13F	2.7%	$89,458,000 5,924,431 shares	—	31 Dec 2018
PRICE T ROWE ASSOCIATES INC /MD/	13F Company 13F	1.9%	$61,782,000 4,091,526 shares	—	31 Dec 2018
BlackRock Finance, Inc.	13F Company 13F	1.8%	$58,298,000 3,860,928 shares	—	31 Dec 2018
PERCEPTIVE ADVISORS LLC	13F Company 13F	1.3%	$43,588,000 2,911,715 shares	—	31 Dec 2018
WELLINGTON MANAGEMENT GROUP LLP	13F Company 13F	1.2%	$40,433,000 2,677,658 shares	—	31 Dec 2018
STATE STREET CORP	13F Company 13F	0.71%	$23,253,000 1,539,950 shares	—	31 Dec 2018
Point72 Asset Management, L.P.	13F Company 13F	0.67%	$22,103,000 1,463,796 shares	—	31 Dec 2018
VANGUARD GROUP INC	13F Company 13F	0.67%	$21,985,000 1,455,924 shares	—	31 Dec 2018

Show 42 additional holder rows in the full holder list

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
RENAISSANCE TECHNOLOGIES LLC	13F Company 13F	0.61%	$19,899,000 1,317,800 shares	—	31 Dec 2018
VICTORY CAPITAL MANAGEMENT INC	13F Company 13F	0.42%	$13,895,000 920,210 shares	—	31 Dec 2018
RTW INVESTMENTS, LP	13F Company 13F	0.42%	$13,720,000 908,586 shares	—	31 Dec 2018
DEERFIELD MANAGEMENT COMPANY, L.P.	13F Company 13F	0.29%	$9,400,000 622,548 shares	—	31 Dec 2018
PICTET ASSET MANAGEMENT LTD	13F Company 13F	0.28%	$9,146,000 605,686 shares	—	31 Dec 2018
FIL Ltd	13F Company 13F	0.26%	$8,561,000 566,992 shares	—	31 Dec 2018
GEODE CAPITAL MANAGEMENT, LLC	13F Company 13F	0.26%	$8,560,000 566,901 shares	—	31 Dec 2018
NORTHERN TRUST CORP	13F Company 13F	0.25%	$8,154,000 539,989 shares	—	31 Dec 2018
Aquilo Capital Management, LLC	13F Company 13F	0.24%	$7,924,000 524,763 shares	—	31 Dec 2018
GOLDMAN SACHS GROUP INC	13F Company 13F	0.23%	$7,521,000 498,092 shares	—	31 Dec 2018
S.c.a. Candriam	13F Individual 13F	0.23%	$7,414,000 490,988 shares	—	31 Dec 2018
Allianz Asset Management GmbH	13F Company 13F	0.14%	$4,542,000 301,126 shares	—	31 Dec 2018
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F Company 13F	0.14%	$4,485,000 296,965 shares	—	31 Dec 2018
Cormorant Asset Management, LP	13F Company 13F	0.14%	$4,480,000 296,712 shares	—	31 Dec 2018
SPHERA FUNDS MANAGEMENT LTD.	13F Company 13F	0.13%	$4,125,000 273,151 shares	—	31 Dec 2018
TWO SIGMA ADVISERS, LP	13F Company 13F	0.12%	$3,837,000 254,100 shares	—	31 Dec 2018
Spark Investment Management LLC	13F Company 13F	0.1%	$3,180,000 210,600 shares	—	31 Dec 2018
TEACHERS ADVISORS, LLC	13F Company 13F	0.09%	$2,866,000 189,824 shares	—	31 Dec 2018
TWO SIGMA INVESTMENTS, LP	13F Company 13F	0.09%	$2,813,000 186,322 shares	—	31 Dec 2018
Bank of New York Mellon Corp	13F Company 13F	0.09%	$2,802,000 185,552 shares	—	31 Dec 2018
TIAA CREF INVESTMENT MANAGEMENT LLC	13F Company 13F	0.08%	$2,496,000 165,302 shares	—	31 Dec 2018
Granahan Investment Management, LLC	13F Company 13F	0.08%	$2,470,000 163,547 shares	—	31 Dec 2018
Private Advisor Group, LLC	13F Company 13F	0.08%	$2,465,000 163,260 shares	—	31 Dec 2018
MILLENNIUM MANAGEMENT LLC	13F Company 13F	0.07%	$2,392,000 158,438 shares	—	31 Dec 2018
Artal Group S.A.	13F Company 13F	0.07%	$2,265,000 150,000 shares	—	31 Dec 2018
JPMORGAN CHASE & CO	13F Company 13F	0.07%	$2,161,000 143,070 shares	—	31 Dec 2018
Man Group plc	13F Company 13F	0.06%	$2,073,000 137,261 shares	—	31 Dec 2018
D. E. Shaw & Co., Inc.	13F Company 13F	0.06%	$2,019,000 133,682 shares	—	31 Dec 2018
UNITED SERVICES AUTOMOBILE ASSOCIATION	13F Company 13F	0.06%	$1,976,000 130,849 shares	—	31 Dec 2018
CITIGROUP INC	13F Company 13F	0.06%	$1,971,000 130,508 shares	—	31 Dec 2018
MOORE CAPITAL MANAGEMENT, LP	13F Company 13F	0.06%	$1,888,000 125,000 shares	—	31 Dec 2018
Congress Park Capital LLC	13F Company 13F	0.06%	$1,862,000 123,311 shares	—	31 Dec 2018
WELLS FARGO & COMPANY/MN	13F Company 13F	0.05%	$1,634,000 108,225 shares	—	31 Dec 2018
Vident Investment Advisory, LLC	13F Company 13F	0.05%	$1,611,000 106,720 shares	—	31 Dec 2018
ALLIANCEBERNSTEIN L.P.	13F Company 13F	0.05%	$1,481,000 98,070 shares	—	31 Dec 2018
PANAGORA ASSET MANAGEMENT INC	13F Company 13F	0.04%	$1,337,000 88,530 shares	—	31 Dec 2018
UBS Group AG	13F Company 13F	0.04%	$1,315,000 87,111 shares	—	31 Dec 2018
MORGAN STANLEY	13F Company 13F	0.04%	$1,275,000 84,379 shares	—	31 Dec 2018
Squarepoint Ops LLC	13F Company 13F	0.04%	$1,205,000 79,784 shares	—	31 Dec 2018
HARBOURVEST PARTNERS LLC	13F Company 13F	0.04%	$1,196,000 79,193 shares	—	31 Dec 2018
ALGERT GLOBAL LLC	13F Company 13F	0.03%	$1,141,000 75,586 shares	—	31 Dec 2018
Swiss National Bank	13F Company 13F	0.03%	$1,140,000 75,500 shares	—	31 Dec 2018

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2019

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

110

36,897,584

Rows loaded

110

Investor	Option	Weight %	Change %	Reported value	* Price	Shares	Share Change	Activity	Report Period

* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. An asterisk next to the price means the price is likely invalid.

Compare Q1 2019 vs Q4 2018 Across Filers

Q4 2018 holders

108

Q1 2019 holders

110

Holder diff

Investor	Q4 2018 Shares	Q1 2019 Shares	Share Diff	Share Chg %	Q4 2018 value	Q1 2019 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend