CYTOMX THERAPEUTICS INC CTMX

US Healthcare Pharmaceutical Preparations
$3.82
+6.1%
52w: $1.76 – $6.75

Latest 13F among current holders filed 30 days ago (Jun 4, 2026)

Price — last 12 months

research preview data
1.764.256.75
Jun 20, 2025 Jul 2, 2026
Institutional holders
179
+58 QoQ
13F value
$911.2M
+48.5% QoQ
Smart-money holders
22
signal tier ≥ 2
New smart buyers
12
Q1 2026
Options barometer
1.0×
$13.3M calls / $12.7M puts

Institutional value by quarter

$100.9M
Q1 2024
$61.9M
Q2 2024
$60.4M
Q3 2024
$48.1M
Q4 2024
$28.8M
Q1 2025
$303.2M
Q2 2025
$438.4M
Q3 2025
$613.7M
Q4 2025
$911.2M
Q1 2026

Number of holders

89
Q1 2024
75
Q2 2024
70
Q3 2024
71
Q4 2024
67
Q1 2025
84
Q2 2025
103
Q3 2025
121
Q4 2025
179
Q1 2026

Who owns CTMX?

Q1 2026 filings
FundTypeSharesValue% of fundChange
FMR LLC Long only active32.0M$150.2M0.0%+29.4%
Kynam Capital Management, LP ★3Fundamental concentrated15.0M$70.6M4.5%+67.4%
BANK OF AMERICA CORP /DE/ Bank broker10.2M$48.0M0.0%+1064.3%
PERCEPTIVE ADVISORS LLC ★2Fundamental diversified10.1M$47.5M0.9%+4.3%
Venrock Adviser, LLC ★3Fundamental concentrated10.0M$46.9M1.8%-35.9%
VANGUARD CAPITAL MANAGEMENT LLC Diversified mechanical8.7M$41.0M0.0%
Point72 Asset Management, L.P. Multistrat pod7.9M$37.0M0.1%+51.8%
STATE STREET CORP Index provider5.7M$26.6M0.0%+10.2%
CITADEL ADVISORS LLC Multistrat pod5.4M$25.4M0.0%+1479.4%
BlackRock, Inc. Index provider5.2M$24.6M0.0%+42.5%
BAKER BROS. ADVISORS LP ★2Fundamental diversified5.0M$23.4M0.1%+17.1%
Elmind Capital, LP ★3Fundamental concentrated4.5M$21.4M6.1%+550.0%
Nextech Invest, Ltd. ★3Fundamental concentrated4.4M$20.9M1.5%New
MARSHALL WACE, LLP Quant stat arb4.1M$19.4M0.0%+257.7%
MILLENNIUM MANAGEMENT LLC Multistrat pod3.7M$17.2M0.0%+1163.6%
WELLINGTON MANAGEMENT GROUP LLP Long only active3.6M$16.8M0.0%New
Siren, L.L.C. ★2Fundamental diversified3.5M$16.3M0.5%New
ADAR1 Capital Management, LLC Other3.4M$16.0M1.0%-18.5%
Eversept Partners, LP ★2Fundamental diversified3.2M$15.0M1.0%+27.2%
UBS Group AG Bank broker3.1M$14.7M0.0%+741.6%
Jefferies Financial Group Inc. Diversified mechanical3.1M$14.4M0.2%+12809.7%
TWO SIGMA INVESTMENTS, LP Quant stat arb2.7M$12.7M0.0%+73.6%
Qube Research & Technologies Ltd Quant stat arb2.2M$10.6M0.0%+112.0%
GEODE CAPITAL MANAGEMENT, LLC Index provider2.1M$9.7M0.0%+35.5%
Woodline Partners LP Other2.0M$9.4M0.0%-14.4%
DIMENSIONAL FUND ADVISORS LP Quant stat arb1.9M$9.1M0.0%+49.7%
SUSQUEHANNA INTERNATIONAL GROUP, LLP Market maker1.9M$8.8M0.0%+90.5%
GOLDMAN SACHS GROUP INC Bank broker1.5M$6.9M0.0%-40.7%
GILDER GAGNON HOWE & CO LLC Other1.1M$5.3M0.1%New
VANGUARD FIDUCIARY TRUST CO Diversified mechanical1.1M$5.2M0.0%
Patient Square Capital LP ★2Fundamental concentrated1.1M$5.1M0.9%New
JANE STREET GROUP, LLC Market maker997.5K$4.7M0.0%+64.3%
Ally Bridge Group (NY) LLC ★2Fundamental concentrated900.0K$4.2M4.2%New
EVENTIDE ASSET MANAGEMENT, LLC Other900.0K$4.2M0.1%New
Trexquant Investment LP Diversified mechanical898.8K$4.2M0.0%New
VANGUARD PORTFOLIO MANAGEMENT LLC Diversified mechanical794.8K$3.7M0.0%
Balyasny Asset Management L.P. Multistrat pod730.8K$3.4M0.0%-81.1%
Seven Fleet Capital Management LP Quant stat arb714.0K$3.4M1.1%New
DV Trading LLC Wealth advisor714.0K$3.4M0.3%New
NORTHERN TRUST CORP Index provider612.1K$2.9M0.0%+47.4%
BNP PARIBAS FINANCIAL MARKETS Bank broker606.3K$2.8M0.0%+21361.1%
Ensign Peak Advisors, Inc Diversified mechanical592.5K$2.8M0.0%New
Caption Management, LLC Quant stat arb573.2K$2.7M0.1%New
FIRST TRUST ADVISORS LP Index provider568.6K$2.7M0.0%+34.4%
Informed Momentum Co LLC Quant stat arb565.1K$2.7M0.3%+177.3%
Longaeva Partners L.P. ★2Fundamental diversified550.0K$2.6M0.1%New
Velan Capital Investment Management LP ★2Fundamental concentrated540.0K$2.5M1.6%+575.0%
Exome Asset Management LLC ★2Fundamental diversified521.5K$2.5M1.4%-30.0%
MORGAN STANLEY Bank broker520.5K$2.4M0.0%+29.7%
SCHULHOFF & CO INC ★2Fundamental diversified477.6K$2.2M0.9%+27.4%

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