Security key
23284F105
CytomX Therapeutics, Inc. - Common Stock (CTMX)
CUSIP: 23284F105
Q1 2025 13F Holders as of 31 Mar 2025
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 45,180,958
- Total 13F value
- $28,723,084
- Share change
- -1,493,006
- Put/Call ratio
- 538%
- SEC-reported price per share
- $0.64
- Number of holders
- 63
- Value change
- -$1,507,772
- Number of buys
- 25
- Number of sells
- 35
- Shares outstanding
- 216,209,843
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2025
Institutions
63
Top holders
10
CTMX full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
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
TANG CAPITAL MANAGEMENT LLC
Disclosed value leader
TANG CAPITAL MANAGEMENT LLC
Comparable rows
15/15
Latest evidence
31 Dec 2024
13F
Lead comparable stake: 3.4%
Showing 1-6 of 15 holder rows.
Quick read
TANG CAPITAL MANAGEMENT LLC leads the comparable SEC ownership view at 3.4%.
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 TANG CAPITAL MANAGEMENT LLC's linked filing trail.
Comparable ownership
Top 5
TANG CAPITAL MANAGEMENT LLC
3.4%
BVF INC/IL
2.4%
VANGUARD GROUP INC
2.4%
Prosight Management, LP
1.8%
MILLENNIUM MANAGEMENT LLC
1.5%
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 |
|---|---|---|---|---|---|
| TANG CAPITAL MANAGEMENT LLC |
13F
Company
|
3.4%
|
$7,531,113
7,311,760 shares
|
— | 31 Dec 2024 |
| BVF INC/IL |
13F
Company
|
2.4%
|
$5,385,315
5,228,461 shares
|
— | 31 Dec 2024 |
| VANGUARD GROUP INC |
13F
Company
|
2.4%
|
$5,317,171
5,162,302 shares
|
— | 31 Dec 2024 |
| Prosight Management, LP |
13F
Company
|
1.8%
|
$4,022,150
3,905,000 shares
|
— | 31 Dec 2024 |
| MILLENNIUM MANAGEMENT LLC |
13F
Company
|
1.5%
|
$3,317,642
3,221,012 shares
|
— | 31 Dec 2024 |
| ACADIAN ASSET MANAGEMENT LLC |
13F
Company
|
1.5%
|
$3,227,000
3,137,046 shares
|
— | 31 Dec 2024 |
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 Q1 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
63
Shares
45,180,958
Rows available
63
| 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 Q1 2025 vs Q1 2025 Across Filers
Q1 2025 holders
63
Q1 2025 holders
63
Holder diff
0
| Investor | Q1 2025 Shares | Q1 2025 Shares | Share Diff | Share Chg % | Q1 2025 value | Q1 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend