CYTOMX THERAPEUTICS INC.

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

CTMX (CYTOMX THERAPEUTICS INC.) is held by 104 institutional investors as of Q2 2026. Largest holders: FMR LLC ($122.7M), BlackRock, Inc. ($65.8M), BANK OF AMERICA CORP /DE/ ($56.6M). Net institutional sentiment: Mixed.

104

Holders

(4 Elite)

$556M

Total Value

63% (117)

Consensus

74 buying - 43 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)52

Insider (Form 4)57

Activist (13D/13G)68

Congressional (STOCK Act)35

Holder Quality

45

★★★★★

Elite

81

★★★★

Strong

53

★★★

Solid

11

★★

Below

18

★

Weak

Held by 104 funds

4 elite

Who's Trading

Source dates: Price Aug 27, 2026 · Insiders Mar 19, 2026 · Activists Aug 14, 2026 · Congress none

ActivistPoint72 Asset Management, L.P.3.6%Aug 14, 2026

ActivistKYKynam Capital Management, LP10.0%Aug 14, 2026

ActivistSTATE STREET CORPORATION5.4%Aug 7, 2026

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Top Holders

Top Holders (104)History

AllNewIncreasedHeldDecreasedExited

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
FMR LLC	Increased	32.7M(+2.4%)	$122.7M	0.0%	-7.17%	31
BlackRock, Inc.	Increased	17.6M(+235.9%)	$65.8M	0.0%	-7.50%	48
BANK OF AMERICA CORP /DE/	Increased	15.1M(+47.8%)	$56.6M	0.0%	-24.11%	40
STATE STREET CORP	Increased	11.7M(+107.4%)	$44.1M	0.0%	-13.78%	47
VAVANGUARD CAPITAL MANAGEMENT LLC	Decreased	8.5M(-2.4%)	$32M	0.0%	-30.98%	0
Point72 Asset Management, L.P.	Decreased	7.8M(-0.8%)	$29.3M	0.0%	+4.19%	0
WELLINGTON MANAGEMENT GROUP LLP	Increased	5.2M(+44.3%)	$19.4M	0.0%	-25.97%	38
BAKER BROS. ADVISORS LP	Unchanged	5M	$18.7M	0.1%	+19.68%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	4.7M(+126.4%)	$17.5M	0.0%	-19.57%	46
TWO SIGMA INVESTMENTS, LP	Increased	4.1M(+52.5%)	$15.5M	0.0%	-16.57%	39
UBS Group AG	Increased	3.5M(+11.2%)	$13M	0.0%	-27.92%	31
CITADEL ADVISORS LLC	Decreased	3.1M(-42.5%)	$11.7M	0.0%	-29.47%	0
MWMARSHALL WACE, LLP	Decreased	3M(-26.9%)	$11.3M	0.0%	-19.07%	0
Woodline Partners LP	Increased	2M(+2.0%)	$7.7M	0.0%	+188.12%	28
GOLDMAN SACHS GROUP INC	Increased	2M(+37.3%)	$7.5M	0.0%	-15.18%	36
DIMENSIONAL FUND ADVISORS LP	Decreased	1.9M(-3.7%)	$7M	0.0%	-18.34%	0
Qube Research & Technologies Ltd	Decreased	1.8M(-18.9%)	$6.8M	0.0%	-25.44%	0
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Increased	1.8M(+120.3%)	$6.6M	0.0%	-21.53%	44
MILLENNIUM MANAGEMENT LLC	Decreased	1.7M(-53.9%)	$6.3M	0.0%	-28.76%	0
NORTHERN TRUST CORP	Increased	1.7M(+173.7%)	$6.3M	0.0%	-15.56%	44

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer