Security key
23284F105
CytomX Therapeutics, Inc. - Common Stock (CTMX)
CUSIP: 23284F105
Q3 2026 13F Holders as of 30 Sep 2026
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 2,698,075
- Total 13F value
- $7,340,723
- Share change
- +1,466,829
- SEC-reported price per share
- $2.72
- Number of holders
- 23
- Value change
- +$3,989,553
- Number of buys
- 16
- Number of sells
- 4
- Shares outstanding
- 219,759,481
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2026
Institutions
23
Top holders
10
CTMX full security history
Ownership snapshot
Full 13F holder table
CytomX Therapeutics, Inc. SEC filings
CytomX Therapeutics, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 23284F105
Recent filing periods:
Ownership snapshot
Top reported holders of CTMX - CytomX Therapeutics, Inc. - 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
13/15
Latest evidence
30 Jun 2026
13F
13D/G
Lead comparable stake: 15%
2 rows are not safely comparable across share classes.
13D/G row: FMR LLC
Showing 1-6 of 15 holder rows.
Quick read
FMR LLC leads the comparable SEC ownership view at 15%.
13 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%
Kynam Capital Management, LP
10%
BlackRock, Inc.
7.6%
Longitude Capital Partners V, LLC
7%
BANK OF AMERICA CORP /DE/
5.4%
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
|
15%
Reported 13D/G
· 31 Dec 2025
|
$122,681,014
32,714,937 shares
|
— | 30 Jun 2026 |
| Kynam Capital Management, LP |
13F
13D/G
Company
|
10%
Reported 13D/G
· 30 Jun 2026
|
$81,386,599
21,703,093 shares
|
— | 30 Jun 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
7.6%
Reported 13D/G
· 30 Jun 2026
|
$65,849,333
17,559,822 shares
|
— | 30 Jun 2026 |
| Longitude Capital Partners V, LLC |
13D/G
Patrick G. Enright
|
7%
Reported 13D/G
· 31 Mar 2026
|
$65,740,382
15,288,461 shares
|
+$16,125,000 | 31 Mar 2026 |
| BANK OF AMERICA CORP /DE/ |
13F
13D/G
Company
|
5.4%
Reported 13D/G
· 30 Sep 2026
|
$56,559,813
15,082,617 shares
|
— | 30 Jun 2026 |
| STATE STREET CORP |
13F
13D/G
Company · STATE STREET CORPORATION
|
5.4%
Reported 13D/G
· 30 Jun 2026
|
$44,052,135
11,747,236 shares
|
— | 30 Jun 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 Q3 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
23
Shares
2,698,075
Rows available
23
| 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 Q3 2026 vs Q2 2026 Across Filers
Q2 2026 holders
178
Q3 2026 holders
23
Holder diff
-155
| Investor | Q2 2026 Shares | Q3 2026 Shares | Share Diff | Share Chg % | Q2 2026 value | Q3 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend