Perceptive Advisors Llc

13F Holdings History for CytomX Therapeutics, Inc. - Common Stock, $0.00001 par value per share (CTMX)

Symbol: CTMX on Nasdaq
Investment type: Equity / Common Stock, $0.00001 par value per share
Latest Disclosed Ownership: 9.68M shares
Security Ownership: 5.9%

Shares, Excluding Options vs Price

Value, Excluding Options

Perceptive Advisors LLC ownership in CytomX Therapeutics, Inc. Common Stock, $0.00001 par value per share (CTMX)

2025-08-21 - Perceptive Advisors LLC has filed an SCHEDULE 13G form with the Securities and Exchange Commission (SEC) disclosing ownership of 9.68M shares of CytomX Therapeutics, Inc. Common Stock, $0.00001 par value per share (CTMX). This represents 5.9% percent ownership of the company.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filed at
Perceptive Advisors LLC	5.9%		$19.4M	9.68M			$2.00	13G	8/14/2025	21 Aug 2025 16:00:03

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
6/30/2025	0.6%	+0.6%	$15.9M	6.99M	+6,993,646	NEW	$2.27	Q2 2025
9/30/2021		-0.14%	$0	0	-1,640,957	-100%		Q3 2021
6/30/2021	0.14%	-0.04%	$10.4M	1.64M	-513,017	-23.8%	$6.33	Q2 2021
3/31/2021	0.22%	-0.04%	$16.7M	2.15M	-423,069	-16.4%	$7.73	Q1 2021
12/31/2020	0.18%		$16.9M	2.58M			$6.55	Q4 2020
9/30/2020	0.25%		$17.1M	2.58M			$6.65	Q3 2020
6/30/2020	0.35%	-0.09%	$21.5M	2.58M	-676,880	-20.8%	$8.33	Q2 2020
3/31/2020	0.65%		$25M	3.25M			$7.67	Q1 2020
12/31/2019	0.54%		$27M	3.25M			$8.31	Q4 2019
9/30/2019	0.65%	+0.02%	$24M	3.25M	+100,000	+3.17%	$7.38	Q3 2019
6/30/2019	0.81%	-0.01%	$35.4M	3.15M	-20,000	-0.63%	$11.22	Q2 2019
3/31/2019	0.96%	+0.08%	$34.1M	3.17M	+262,208	+9.01%	$10.75	Q1 2019
12/31/2018	1.66%	+0.14%	$43.6M	2.91M	+250,000	+9.39%	$14.97	Q4 2018
9/30/2018	1.32%	+0.37%	$49.2M	2.66M	+740,000	+38.5%	$18.50	Q3 2018
6/30/2018	1.15%	-0.17%	$43.9M	1.92M	-287,097	-13%	$22.86	Q2 2018
3/31/2018	1.76%	-0.22%	$62.8M	2.21M	-281,569	-11.3%	$28.45	Q1 2018
12/31/2017	1.74%	+0.77%	$52.6M	2.49M	+1,100,000	+79.1%	$21.11	Q4 2017
9/30/2017	0.97%		$25.3M	1.39M			$18.17	Q3 2017
6/30/2017	1.08%	-0.11%	$21.6M	1.39M	-140,278	-9.16%	$15.50	Q2 2017
3/31/2017	1.51%	+0.6%	$26.4M	1.53M	+606,896	+65.7%	$17.27	Q1 2017
12/31/2016	0.72%	+0.72%	$10.2M	924K	+923,763	NEW	$10.99	Q4 2016
9/30/2016		-0.53%	$0	0	-742,021	-100%		Q3 2016
6/30/2016	0.53%		$7.58M	742K			$10.21	Q2 2016
3/31/2016	0.84%	+0.11%	$9.57M	742K	+99,974	+15.6%	$12.90	Q1 2016
12/31/2015	0.99%	+0.99%	$13.4M	642K	+642,047	NEW	$20.87	Q4 2015

* 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.