BlackRock, Inc.

Position in CTMX — CytomX Therapeutics, Inc.

CIK 2012383 New York, NY

Position in CTMX

as of Jun 30, 2026 · filed Aug 7, 2026 Compact

Position Value

$65,849,329

+$41,276,418 QoQ

Shares Held

17,559,822

+235.9% QoQ

Ownership

8.06%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

of 178 holders

Holding Since

Sep 2024

8 quarters on record

Voting authority Sole 97% Shared 0% None 3%

Healthcare · as of Jun 30, 2026

BlackRock, Inc. holds $85,016,936,299 across 474 Biotechnology names. CTMX ranks #146 (0.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRTX	Vertex Pharmaceuticals Inc / Ma	24,109,373	$11,975,848,839
2	REGN	Regeneron Pharmaceuticals, Inc.	9,113,506	$5,682,635,520
3	ALNY	Alnylam Pharmaceuticals, Inc.	10,907,675	$3,283,537,392
4	RVMD	Revolution Medicines, Inc.	13,695,790	$2,564,947,540
5	MRNA	Moderna, Inc.	30,599,409	$2,142,876,602
6	INCY	Incyte Corp	18,032,718	$2,044,188,902
7	CYTK	Cytokinetics Inc	20,094,362	$1,711,838,691
8	ROIV	Roivant Sciences Ltd.	48,236,091	$1,707,075,250

9 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$65,849,329	17,559,822	+235.9%	Shares	Sole	2026-08-07
2026-06-30	$62,067,945	16,551,452	—	Shares	Sole	2026-07-27
2026-03-31	$24,572,911	5,228,280	+42.5%	Shares	Sole	2026-05-13
2025-12-31	$15,631,611	3,669,393	+54.1%	Shares	Sole	2026-02-12
2025-09-30	$7,598,298	2,381,912	-0.3%	Shares	Sole	2025-11-12
2025-06-30	$5,421,786	2,388,453	+104.8%	Shares	Sole	2025-08-12
2025-03-31	$741,817	1,166,384	-5.9%	Shares	Sole	2025-05-02
2024-12-31	$1,276,967	1,239,778	+6.1%	Shares	Sole	2025-02-07
2024-09-30	$1,378,905	1,168,566	—	Shares	Sole	2024-11-13
No filing history on record for this holder in this stock.