Tang Capital Management 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: 11.1M shares
Security Ownership: 7%

Shares, Excluding Options vs Price

Value, Excluding Options

TANG CAPITAL MANAGEMENT, LLC ownership in CytomX Therapeutics, Inc. Common Stock, $0.00001 par value per share (CTMX)

2025-08-14 - TANG CAPITAL MANAGEMENT, LLC has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 11.1M shares of CytomX Therapeutics, Inc. Common Stock, $0.00001 par value per share (CTMX). This represents 7% percent ownership of the company. In their previous filing dated 2025-05-15, TANG CAPITAL MANAGEMENT LLC had reported owning 6.72M shares, indicating an increase of 64.7% percent.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filed at
TANG CAPITAL MANAGEMENT, LLC	7%	-17.5%	$22.1M	11.1M	+4,347,837	+64.7%	$2.00	13G/A	6/30/2025	14 Aug 2025 16:15:07
TANG CAPITAL MANAGEMENT, LLC	8.4%		$3.56M	6.72M			$0.53	13G/A	3/31/2025	15 May 2025 16:15:24

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
6/30/2025	1.27%	+0.5%	$25.1M	11.1M	+4,347,837	+64.7%	$2.27	Q2 2025
3/31/2025	0.24%	-0.02%	$4.27M	6.72M	-593,935		$0.64	Q1 2025
12/31/2024	0.5%	-0.03%	$7.53M	7.31M	-500,000	-6.4%	$1.03	Q4 2024
9/30/2024	0.66%	+0%	$9.22M	7.81M	+19,824	+0.25%	$1.18	Q3 2024
6/30/2024	0.97%	+0.17%	$9.51M	7.79M	+1,341,936	+20.8%	$1.22	Q2 2024
3/31/2024	1.46%	-0.02%	$14.1M	6.45M	-100,000	-1.53%	$2.18	Q1 2024
12/31/2023	0.94%	+0.02%	$10.2M	6.55M	+100,000	+1.55%	$1.55	Q4 2023
9/30/2023	1.17%	-0.03%	$8.32M	6.45M	-150,000	-2.27%	$1.29	Q3 2023
6/30/2023	1.67%	+0.13%	$11.4M	6.6M	+506,968	+8.32%	$1.72	Q2 2023
3/31/2023	1.37%	+0.58%	$9.2M	6.09M	+2,582,587	+73.6%	$1.51	Q1 2023
12/31/2022	0.82%	+0%	$5.62M	3.51M	+10,445	+0.3%	$1.60	Q4 2022
9/30/2022	0.62%	+0.43%	$5.08M	3.5M	+2,445,327	+232%	$1.45	Q3 2022
6/30/2022	0.29%	+0.29%	$1.93M	1.05M	+1,054,673	NEW	$1.83	Q2 2022
3/31/2022		-0.13%	$0	0	-152,345	-100%		Q1 2022
12/31/2021	0.13%	+0.13%	$660K	152K	+152,345	NEW	$4.33	Q4 2021
12/31/2020		-0.14%	$0	0	-112,880	-100%		Q4 2020
9/30/2020	0.14%	-0.23%	$751K	113K	-187,120	-62.4%	$6.65	Q3 2020
6/30/2020	0.24%		$2.5M	300K			$8.33	Q2 2020
3/31/2020	0.32%	+0.32%	$2.3M	300K	+300,000	NEW	$7.67	Q1 2020

* 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.