As of the latest SEC filings, CytomX Therapeutics, Inc. (CTMX) is held by 81 institutional funds. The largest fund shareholder is VANGUARD TOTAL STOCK MARKET INDEX FUND (VTI), holding an estimated $30,699,398.90 in market value, representing a significant portion of its portfolio.
Funds holding CytomX Therapeutics, Inc. (CTMX)
Source: SEC Form N-PORT institutional portfolio disclosures
- Ticker:
- CTMX
- CIK:
- 0001501989
| Fund | Type | Manager | Weight | Market Value | Shares |
Report Date
|
Filing Date
|
|---|---|---|---|---|---|---|---|
|
VTI
VANGUARD TOTAL STOCK MARKET INDEX FUND
|
ETF | Vanguard | 0.00% | $30,699,398.90 | 6,531,787 | Mar 31, 2026 | May 28, 2026 |
|
XBI
State Street(R) SPDR(R) S&P(R) Biotech ETF
|
ETF | State Street (SPDR) | 0.29% | $21,201,869.20 | 4,511,036 | Mar 31, 2026 | May 28, 2026 |
|
FSPHX
Select Health Care Portfolio
|
MF | Fidelity | 0.29% | $18,258,000.00 | 3,400,000 | Feb 28, 2026 | Apr 24, 2026 |
|
FIDGX
Fidelity Small Cap Growth Fund
|
MF | Fidelity | 0.20% | $16,754,623.80 | 3,970,290 | Apr 30, 2026 | Jun 26, 2026 |
|
FACTX
Fidelity Advisor Health Care Fund
|
MF | Fidelity | 0.37% | $10,550,000.00 | 2,500,000 | Apr 30, 2026 | Jun 26, 2026 |
|
FCDTX
Fidelity Stock Selector Small Cap Fund
|
MF | Fidelity | 0.15% | $10,341,152.20 | 2,450,510 | Apr 30, 2026 | Jun 26, 2026 |
|
FBTIX
Fidelity Advisor Biotechnology Fund
|
MF | Fidelity | 0.49% | $9,406,595.22 | 2,229,051 | Apr 30, 2026 | Jun 26, 2026 |
|
VEMPX
VANGUARD EXTENDED MARKET INDEX FUND
|
ETF | Vanguard | 0.01% | $9,366,648.80 | 1,992,904 | Mar 31, 2026 | May 28, 2026 |
|
FOCSX
Fidelity Small Cap Growth K6 Fund
|
MF | Fidelity | 0.20% | $8,389,486.60 | 1,988,030 | Apr 30, 2026 | Jun 26, 2026 |
|
FSOPX
Fidelity Series Small Cap Opportunities Fund
|
MF | Fidelity | 0.15% | $7,328,008.90 | 1,736,495 | Apr 30, 2026 | Jun 26, 2026 |
|
FBIOX
Select Biotechnology Portfolio
|
MF | Fidelity | 0.12% | $6,565,039.80 | 1,222,540 | Feb 28, 2026 | Apr 24, 2026 |
|
-
Fidelity U.S. Equity Central Fund
|
ETF | Fidelity | 0.02% | $4,700,000.00 | 1,000,000 | Mar 31, 2026 | May 26, 2026 |
|
IBB
iShares Biotechnology ETF
|
ETF | BlackRock / iShares | 0.06% | $4,640,765.90 | 987,397 | Mar 31, 2026 | May 28, 2026 |
|
ETAHX
Eventide Healthcare & Life Sciences Fund
|
MF | Independent / Boutique | 0.27% | $4,230,000.00 | 900,000 | Mar 31, 2026 | May 29, 2026 |
|
-
VIP Health Care Portfolio
|
ETF | Independent / Boutique | 0.40% | $4,042,000.00 | 860,000 | Mar 31, 2026 | May 26, 2026 |
|
FSMAX
Fidelity Extended Market Index Fund
|
MF | Fidelity | 0.01% | $3,760,879.50 | 700,350 | Feb 28, 2026 | Apr 24, 2026 |
|
FSSLX
Fidelity Series Small Cap Core Fund
|
MF | Fidelity | 0.20% | $3,286,536.00 | 778,800 | Apr 30, 2026 | Jun 26, 2026 |
|
FDM
First Trust Dow Jones Select MicroCap Index Fund
|
ETF | First Trust | 1.18% | $2,672,241.40 | 568,562 | Mar 31, 2026 | May 28, 2026 |
|
FCTDX
Strategic Advisers Fidelity U.S. Total Stock Fund
|
MF | Fidelity | 0.00% | $2,433,147.00 | 453,100 | Feb 28, 2026 | Apr 24, 2026 |
|
VHCIX
VANGUARD HEALTH CARE INDEX FUND
|
ETF | Vanguard | 0.01% | $1,995,771.24 | 371,652 | Feb 28, 2026 | Apr 28, 2026 |
|
DFSTX
U.S. SMALL CAP PORTFOLIO
|
MF | Dimensional Fund Advisors | 0.01% | $1,832,340.88 | 434,204 | Apr 30, 2026 | Jun 24, 2026 |
|
FSKAX
Fidelity Total Market Index Fund
|
MF | Fidelity | 0.00% | $1,328,999.82 | 247,486 | Feb 28, 2026 | Apr 24, 2026 |
|
DFAS
Dimensional U.S. Small Cap ETF
|
ETF | Dimensional Fund Advisors | 0.01% | $1,254,694.62 | 297,321 | Apr 30, 2026 | Jun 29, 2026 |
|
FFSM
Fidelity Fundamental Small-Mid Cap ETF
|
ETF | Fidelity | 0.09% | $1,225,601.94 | 290,427 | Apr 30, 2026 | Jun 26, 2026 |
|
LABU
Direxion Daily S&P Biotech Bull 3X Shares
|
ETF | Direxion | 0.21% | $1,089,308.60 | 258,130 | Apr 30, 2026 | Jun 29, 2026 |
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