Who Owns CytomX Therapeutics, Inc. (CTMX)?Hedge Fund & Institutional Holders

$4.70-0.17 (-3.59%)HealthcareNASDAQ

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$8.600066291412373e+208T

% of Float Held

Infinity%

QoQ Change in Holders

+14 / -5

Price History

$0.43$1.85$3.26$4.68$6.09Sep 24Jun 25Mar 26

CTMX — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
Eversept Partners, LPNew Position+2.5M+$10.7M
STEMPOINT CAPITAL LPNew Position+1.0M+$4.4M
Elmind Capital, LPNew Position+700K+$3.0M
SILVERARC CAPITAL MANAGEMENT, LLCNew Position+386K+$1.6M
SCHULHOFF & CO INCNew Position+375K+$1.6M
Rafferty Asset Management, LLCNew Position+274K+$1.0M
Bank of New York Mellon CorpNew Position+328K+$1.0M
ACADIAN ASSET MANAGEMENT LLCIncreased+202K+$916K
Informed Momentum Co LLCNew Position+204K+$868K
Aspire Growth Partners LLCNew Position+102K+$435K
Virtus Investment Advisers, LLCNew Position+63K+$270K
SG Americas Securities, LLCNew Position+53K+$226K
Merit Financial Group, LLCNew Position+53K+$226K
Formidable Asset Management, LLCNew Position+46K+$194K
Baader Bank AktiengesellschaftNew Position+45K+$191K

CTMX — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
TANG CAPITAL MANAGEMENT LLCClosed Position-11.1M-$35.3B
VANGUARD GROUP INCDecreased-472K-$28.5B
ORBIMED ADVISORS LLCDecreased-4.9M-$27.0B
BALYASNY ASSET MANAGEMENT L.P.Decreased-41K-$12.5B
RTW INVESTMENTS, LPClosed Position-3.5M-$11.0B
Ikarian Capital, LLCDecreased-200K-$10.7B
RA CAPITAL MANAGEMENT, L.P.Closed Position-2.7M-$8.5B
RENAISSANCE TECHNOLOGIES LLCClosed Position-2.5M-$8.1B
CITADEL ADVISORS LLCDecreased-1.5M-$5.7B
GEODE CAPITAL MANAGEMENT, LLCDecreased-44K-$5.0B
MILLENNIUM MANAGEMENT LLCDecreased-1.1M-$4.4B
BOOTHBAY FUND MANAGEMENT, LLCDecreased-342K-$3.9B
BANK OF AMERICA CORP /DE/Decreased-129K-$3.2B
Assenagon Asset Management S.A.Decreased-137K-$2.3B
Prosight Management, LPClosed Position-565K-$1.8B

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1FMR LLC20,190,724$86.0M0.00%Share
2VR Adviser, LLC15,561,500$66.3M3.27%Share
3PERCEPTIVE ADVISORS LLC9,680,185$41.2M0.74%Share
4Kynam Capital Management, LP8,966,077$38.2M2.44%Share
5Commodore Capital LP7,692,300$32.8M2.18%Share
6VANGUARD GROUP INC7,607,183$32.4M0.00%Share
7Point72 Asset Management, L.P.5,189,538$22.0M0.02%Share
8STATE STREET CORP5,140,931$21.0M0.00%Share
9BAKER BROS. ADVISORS LP4,250,826$18.1M0.11%Share
10ADAR1 Capital Management, LLC4,182,769$17.8M1.29%Share
11Financial Engines Advisors L.L.C.3,828,717$16.3M0.03%Share
12BALYASNY ASSET MANAGEMENT L.P.3,872,202$16.0M0.02%Share
13ORBIMED ADVISORS LLC3,525,650$15.0M0.31%Share
14FMR LLC3,374,623$14.0M0.00%Share
15Ikarian Capital, LLC3,172,616$13.5M1.06%Share
16Vivo Capital, LLC2,884,615$12.3M0.79%Share
17Eversept Partners, LP2,507,090$10.7M0.54%Share
18GOLDMAN SACHS GROUP INC2,426,030$10.0M0.00%Share
19Woodline Partners LP2,337,005$9.0M0.03%Share
20BlackRock, Inc.2,109,056$8.0M0.00%Share
21TWO SIGMA INVESTMENTS, LP1,560,755$6.0M0.01%Share
22DIMENSIONAL FUND ADVISORS LP1,180,195$5.0M0.00%Share
23BlackRock, Inc.1,355,987$5.0M0.00%Share
24GEODE CAPITAL MANAGEMENT, LLC1,248,362$5.0M0.00%Share
25STEMPOINT CAPITAL LP1,036,311$4.4M0.76%Share
26FMR LLC1,122,762$4.0M0.00%Share
27Qube Research & Technologies Ltd1,061,128$4.0M0.00%Share
28SUSQUEHANNA INTERNATIONAL GROUP, LLP981,598$4.0M0.00%Share
29VANGUARD GROUP INC813,830$3.5M0.00%Share
30Exome Asset Management LLC745,305$3.2M1.52%Share
31BANK OF AMERICA CORP /DE/731,678$3.0M0.00%Share
32ACADIAN ASSET MANAGEMENT LLC856,056$3.0M0.00%Share
33BALYASNY ASSET MANAGEMENT L.P.900,000$3.0M0.00%Call
34BOOTHBAY FUND MANAGEMENT, LLC894,663$3.0M0.04%Share
35MARSHALL WACE, LLP771,262$3.0M0.00%Share
36Elmind Capital, LP700,000$3.0M0.88%Share
37Assenagon Asset Management S.A.592,696$2.5M0.00%Share
38JANE STREET GROUP, LLC492,004$2.0M0.00%Share
39SILVERARC CAPITAL MANAGEMENT, LLC385,974$1.6M0.23%Share
40SCHULHOFF & CO INC374,850$1.6M0.67%Share
41UBS Group AG352,101$1.5M0.00%Share
42TWO SIGMA ADVISERS, LP335,524$1.0M0.00%Share
43NORTHERN TRUST CORP415,178$1.0M0.00%Share
44MARSHALL WACE, LLP385,674$1.0M0.00%Share
45MILLENNIUM MANAGEMENT LLC289,653$1.0M0.00%Share
46CITADEL ADVISORS LLC342,304$1.0M0.00%Share
47FIRST TRUST ADVISORS LP423,168$1.0M0.00%Share
48GEODE CAPITAL MANAGEMENT, LLC277,304$1.0M0.00%Share
49BARCLAYS PLC322,811$1.0M0.00%Share
50Bank of New York Mellon Corp234,970$1.0M0.00%Share

CTMX Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 2025120$584.9M+32
Q3 202588$431.9B+17
Q2 202571$288.3B+5
Q1 202566$26.4B-3
Q4 202469$43.5B+13
Q3 202456$27.6T-8
Q2 202464$19.6T-9
Q1 202473$45.9T—

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As of Q4 2025, 50 institutional investors hold CTMX (CytomX Therapeutics, Inc.). The largest holder is FMR LLC with $86.0M in shares. This quarter, 14 institutions opened new positions and 5 closed their positions.

Frequently Asked Questions

How many hedge funds own CTMX?

As of Q4 2025, 50 institutional investors report holding CTMX (CytomX Therapeutics, Inc.) in their 13F filings.

Who is the largest institutional holder of CTMX?

The largest institutional holder of CTMX is FMR LLC with $86.0M in shares.

Is institutional ownership of CTMX increasing or decreasing?

This quarter, 14 institutions opened new positions in CTMX and 5 closed their positions.