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 Q2 2026?

3 institutional investors reported CTMX - CytomX Therapeutics, Inc. - Common Stock, $0.00001 par value per share ("Common Stock") for Q2 2026. Use the holders table for investor-level position and value details.

CUSIP: 23284F105

Q2 2026 13F Holders as of 30 Jun 2026

Security type / class: Equity / Common Stock, $0.00001 par value per share ("Common Stock")
Total 13F shares: 632,560
Total 13F value: $2,372,100
Share change: +40,882
SEC-reported price per share: $3.75
Number of holders: 3
Value change: +$153,307
Number of buys: 2
Shares outstanding: 217,079,600

Security key

23284F105

Report period

Q2 2026

Institutions

Top holders

CTMX full security history Ownership snapshot Full 13F holder table Previous quarter: Q1 2026 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

Previous quarter: Q1 2026

Recent filing periods:

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

Ownership snapshot

Top reported holders 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.

Comparable stake leader

FMR LLC

Disclosed value leader

FMR LLC

Comparable rows

15/15

Latest evidence

15 Apr 2026

13F 13D/G Lead comparable stake: 15% 13D/G row: FMR LLC Showing 1-6 of 15 holder rows.

Quick read

FMR LLC leads the comparable SEC ownership view at 15%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens FMR LLC's linked filing trail.

Comparable ownership Top 5

FMR LLC 15%

Longitude Capital Partners V, LLC 7%

Kynam Capital Management, LP 6.9%

Point72 Asset Management, L.P. 5%

PERCEPTIVE ADVISORS LLC 4.6%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
FMR LLC	13F 13D/G Company 13F 13D/G	15% from 13D/G	$150,191,494 31,955,637 shares	—	31 Mar 2026
Longitude Capital Partners V, LLC	13D/G Patrick G. Enright 13D/G	7%	$65,740,382 15,288,461 shares	+$16,125,000	31 Mar 2026
Kynam Capital Management, LP	13F 13D/G Company 13F 13D/G	6.9% from 13D/G	$70,561,537 15,013,093 shares	—	31 Mar 2026
Point72 Asset Management, L.P.	13D/G 13F Company 13D/G 13F	5%	$51,063,531 10,864,581 shares	+$31,941,228	15 Apr 2026
PERCEPTIVE ADVISORS LLC	13F 13D/G Company 13F 13D/G	4.6% from 13D/G	$47,464,473 10,098,824 shares	—	31 Mar 2026
Venrock Healthcare Capital Partners III, L.P.	13D/G 13D/G	4.6%	$42,923,133 9,982,124 shares	-$23,991,317	31 Mar 2026

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 Q2 2026

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

Institutions

632,560

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-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. The marker flags a reported price that did not pass the local price check.

Compare Q2 2026 vs Q1 2026 Across Filers

Q1 2026 holders

179

Q2 2026 holders

Holder diff

-176

Investor	Q1 2026 Shares	Q2 2026 Shares	Share Diff	Share Chg %	Q1 2026 value	Q2 2026 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend