CYTOMX THERAPEUTICS INC.

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CTMX·23284F105·US·equity·Healthcare - Biotechnology-13D/G

CTMX (CYTOMX THERAPEUTICS INC.) is held by 93 institutional investors as of Q1 2026. Largest holders: FMR LLC ($150.2M), BANK OF AMERICA CORP /DE/ ($48M), Point72 Asset Management, L.P. ($37M). Net institutional sentiment: Bullish.

93

Holders

Avg rating(5 Elite)

$548.7M

Total Value

80% (99)

Fund Consensus

76 buying - 19 selling

Smart Money Verdict

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49Weak MomentumSplit Signals

Institutional (13F)68

Insider (Form 4)19

Activist (13D/13G)50

Congressional (STOCK Act)

No data

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See how CTMX's score breaks down across 4 SEC sources

Holder Quality

5

★★★★★

Elite

29

★★★★

Strong

30

★★★

Solid

25

★★

Below

10

★

Weak

Held by 93 funds

5 elite

Who's Trading

ActivistPGPatrick G. Enright7.0%May 15, 2026

ActivistKYKynam Capital Management, LP6.9%May 15, 2026

InsiderMAMcCarthy Sean A.Sell $764KMar 17, 2026

InsiderBMBELVIN MARCIASell $202KMar 17, 2026

InsiderOCOgden ChristopherSell $124KMar 17, 2026

InsiderCYChu Yu-WayeSell $137KMar 17, 2026

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13F: Mar 31, 2026Insider & Congress: Updated regularly

Positions (93)History

AllNewIncreasedHeldDecreasedExited

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
FMR LLC	Increased	32M(+29.4%)	$150.2M	0.0%	+1.06%	38
BANK OF AMERICA CORP /DE/	Increased	10.2M(+1064.3%)	$48M	0.0%	-22.75%	47
Point72 Asset Management, L.P.	Increased	7.9M(+51.8%)	$37M	0.0%	+13.29%	40
STATE STREET CORP	Increased	5.7M(+10.2%)	$26.6M	0.0%	-8.81%	32
CITADEL ADVISORS LLC	Increased	5.4M(+1479.3%)	$25.4M	0.0%	-23.31%	46
BlackRock, Inc.	Increased	5.2M(+42.5%)	$24.6M	0.0%	+12.46%	38
BAKER BROS. ADVISORS LP	Increased	5M(+17.1%)	$23.4M	0.1%	+30.14%	40
MWMARSHALL WACE, LLP	Increased	4.1M(+257.7%)	$19.4M	0.0%	-12.00%	46
MILLENNIUM MANAGEMENT LLC	Increased	3.7M(+1163.7%)	$17.2M	0.0%	-22.54%	46
WELLINGTON MANAGEMENT GROUP LLP	New	3.6M	$16.8M	0.0%	-24.95%	39
UBS Group AG	Increased	3.1M(+741.6%)	$14.7M	0.0%	-23.22%	45
Jefferies Financial Group Inc.	Increased	3.1M(+128x)	$14.4M	0.1%	-24.76%	45
TWO SIGMA INVESTMENTS, LP	Increased	2.7M(+73.6%)	$12.7M	0.0%	-11.96%	42
Qube Research & Technologies Ltd	Increased	2.2M(+112.0%)	$10.6M	0.0%	-18.93%	45
GEODE CAPITAL MANAGEMENT, LLC	Increased	2.1M(+35.5%)	$9.7M	0.0%	-26.93%	36
Woodline Partners LP	Decreased	2M(-14.4%)	$9.4M	0.0%	+227.82%	0
DIMENSIONAL FUND ADVISORS LP	Increased	1.9M(+49.7%)	$9.1M	0.0%	-11.21%	38
SUSQUEHANNA INTERNATIONAL GROUP, LLP	Increased	1.9M(+90.5%)	$8.8M	0.0%	-13.65%	43
GOLDMAN SACHS GROUP INC	Decreased	1.5M(-40.7%)	$6.9M	0.0%	-9.19%	0
GGGILDER GAGNON HOWE & CO LLC	New	1.1M	$5.3M	0.1%	-24.95%	37

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High Conviction Moves-Signal Convergence-Fund Consensus-Double-Down Signals

Data sourced from four SEC data sources: 13F, Form 4, 13D/13G, and STOCK Act. Not financial advice. Full disclaimer