There is a long list of 67 institutional holders of CTMX within the last two holding periods in our database of 13F filers, so we've sorted through to present to you just the top 50 institutional holders of CTMX by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-CTMX table below, the initial column indicates the name of each top institutional holder of CTMX, with a link to that fund's top holdings. The next columns indicate the amount of CTMX stock held by each of the institutional holders of CTMX, followed by the CTMX position size held by the institution, and finally the date of the quarterly 13F filing period the holdings data represents for that institution.

Holder	Amount	Position Size ($ in 1000's)	As of
BVF Inc. IL	6,595,801	$10,223	12/31/2023
CTMX	6,595,801	$10,223	12/31/2023
Tang Capital Management LLC	6,550,000	$10,152	12/31/2023
CTMX	6,550,000	$10,152	12/31/2023
Vanguard Group Inc.	4,902,943	$7,600	12/31/2023
CTMX	4,902,943	$7,600	12/31/2023
Acadian Asset Management LLC	2,646,190	$4,100	12/31/2023
CTMX	2,646,190	$4,100	12/31/2023
Renaissance Technologies LLC	1,325,700	$2,055	12/31/2023
CTMX	1,325,700	$2,055	12/31/2023
BlackRock Inc.	1,136,135	$1,761	12/31/2023
CTMX	1,136,135	$1,761	12/31/2023
Laurion Capital Management LP	1,093,921	$1,696	12/31/2023
CTMX	1,093,921	$1,696	12/31/2023
Bronte Capital Management Pty Ltd.	919,911	$1,426	12/31/2023
CTMX	919,911	$1,426	12/31/2023
Millennium Management LLC	794,047	$1,231	12/31/2023
CTMX	794,047	$1,231	12/31/2023
Jacobs Levy Equity Management Inc.	791,421	$1,227	12/31/2023
CTMX	791,421	$1,227	12/31/2023
Geode Capital Management LLC	702,654	$1,089	12/31/2023
CTMX	702,654	$1,089	12/31/2023
FMR LLC	565,324	$876	12/31/2023
CTMX	565,324	$876	12/31/2023
Bridgeway Capital Management Inc.	434,524	$674	12/31/2023
CTMX	434,524	$674	12/31/2023
Assenagon Asset Management S.A.	404,674	$627	12/31/2023
CTMX	404,674	$627	12/31/2023
Marshall Wace LLP	363,276	$563	12/31/2023
CTMX	363,276	$563	12/31/2023
Congress Park Capital LLC	233,800	$510	03/31/2024
CTMX	233,800	$510	03/31/2024
Formidable Asset Management LLC	306,107	$474	12/31/2023
CTMX	306,107	$474	12/31/2023
Toroso Investments LLC	306,107	$474	12/31/2023
CTMX	306,107	$474	12/31/2023
Citadel Advisors LLC		$418	12/31/2023
CTMX	253,283	$393	12/31/2023
Call	19,500	$30	12/31/2023
Put	3,200	$5	12/31/2023
State Street Corp	267,476	$415	12/31/2023
CTMX	267,476	$415	12/31/2023
Bank of New York Mellon Corp	266,836	$414	12/31/2023
CTMX	266,836	$414	12/31/2023
Connor Clark & Lunn Investment Management Ltd.	196,520	$305	12/31/2023
CTMX	196,520	$305	12/31/2023
Clearline Capital LP	196,583	$305	12/31/2023
CTMX	196,583	$305	12/31/2023
Squarepoint Ops LLC	150,533	$233	12/31/2023
CTMX	150,533	$233	12/31/2023
Northern Trust Corp	135,302	$210	12/31/2023
CTMX	135,302	$210	12/31/2023
LPL Financial LLC	110,265	$171	12/31/2023
CTMX	110,265	$171	12/31/2023
GSA Capital Partners LLP	104,162	$161	12/31/2023
CTMX	104,162	$161	12/31/2023
Cornercap Investment Counsel Inc.	81,352	$126	12/31/2023
CTMX	81,352	$126	12/31/2023
Morgan Stanley	78,921	$122	12/31/2023
CTMX	78,921	$122	12/31/2023
Bank of Montreal Can	71,300	$113	12/31/2023
CTMX	71,300	$113	12/31/2023
Private Advisor Group LLC	73,179	$113	12/31/2023
CTMX	73,179	$113	12/31/2023
Commonwealth Equity Services LLC	53,243	$83	12/31/2023
CTMX	53,243	$83	12/31/2023
Tudor Investment Corp Et Al	44,730	$69	12/31/2023
CTMX	44,730	$69	12/31/2023
Russell Investments Group Ltd.	41,725	$65	12/31/2023
CTMX	41,725	$65	12/31/2023
Two Sigma Advisers LP	41,200	$64	12/31/2023
CTMX	41,200	$64	12/31/2023
Susquehanna International Group LLP	38,992	$60	12/31/2023
CTMX	38,992	$60	12/31/2023
Susquehanna Portfolio Strategies LLC	31,869	$49	12/31/2023
CTMX	31,869	$49	12/31/2023
Forefront Analytics LLC	30,846	$48	12/31/2023
CTMX	30,846	$48	12/31/2023
Jane Street Group LLC	29,239	$45	12/31/2023
CTMX	29,239	$45	12/31/2023
Franklin Resources Inc.	26,838	$42	12/31/2023
CTMX	26,838	$42	12/31/2023
Charles Schwab Investment Management Inc.	24,817	$38	12/31/2023
CTMX	24,817	$38	12/31/2023
Mackenzie Financial Corp	19,679	$31	12/31/2023
CTMX	19,679	$31	12/31/2023
UBS Group AG	20,047	$31	12/31/2023
CTMX	20,047	$31	12/31/2023
XTX Topco Ltd	20,273	$31	12/31/2023
CTMX	20,273	$31	12/31/2023
Bank of America Corp DE	17,779	$28	12/31/2023
CTMX	17,779	$28	12/31/2023
Taddei Ludwig & Associates Inc.	17,082	$26	12/31/2023
CTMX	17,082	$26	12/31/2023
Prudential Financial Inc.	16,300	$25	12/31/2023
CTMX	16,300	$25	12/31/2023
Two Sigma Investments LP	14,141	$22	12/31/2023
CTMX	14,141	$22	12/31/2023
IPG Investment Advisors LLC	12,500	$19	12/31/2023
CTMX	12,500	$19	12/31/2023
D. E. Shaw & Co. Inc.	11,577	$18	12/31/2023
CTMX	11,577	$18	12/31/2023