Free Trial
→ Trump’s biggest move, misreported (From Porter & Company) (Ad) Free CTMX Stock Alerts

CytomX Therapeutics (CTMX) Institutional Ownership

CytomX Therapeutics logo
$2.37 -0.13 (-5.20%)
Closing price 07/7/2025 04:00 PM Eastern
Extended Trading
$2.35 -0.02 (-1.05%)
As of 08:31 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
Compare

Institutional Ownership Changes (13F Filings) for CytomX Therapeutics (NASDAQ:CTMX)

Current
Institutional Ownership
Percentage
67.77%
Number of
Institutional Buyers
(last 12 months)
34
Total
Institutional Inflows
(last 12 months)
$12.66M
Number of
Institutional Sellers
(last 12 months)
18
Total
Institutional Outflows
(last 12 months)
$6.17M
Get CTMX Insider Trade Alerts

Want to know when executives and insiders are buying or selling CytomX Therapeutics stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily.

Skip Chart & View Institutional Buying and Selling Data

CTMX Institutional Buying and Selling by Quarter

CytomX Therapeutics Major Shareholders & Ownership History

Export to Excel
Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
6/27/2025Goldman Sachs Group Inc.61,719$39K0.0%N/A0.077%
5/21/2025Acadian Asset Management LLC3,234,035$2.05M0.0%+3.1%4.011%
5/16/2025Woodline Partners LP1,657,306$1.05M0.0%N/A2.056%
5/16/2025Goldman Sachs Group Inc.61,719$39K0.0%N/A0.077%
5/16/2025Jacobs Levy Equity Management Inc.686,208$436K0.0%-55.6%0.851%
5/16/2025ADAR1 Capital Management LLC47,036$30K0.0%-67.6%0.058%
5/15/2025RA Capital Management L.P.1,000,000$636K0.0%N/A1.240%
5/15/2025Velan Capital Investment Management LP75,000$48K0.0%+114.3%0.093%
5/14/2025Aspire Growth Partners LLC92,254$59K0.1%+126.2%0.114%
5/14/2025Forefront Analytics LLC100,070$63K0.1%+55.7%0.124%
5/6/2025Universal Beteiligungs und Servicegesellschaft mbH97,123$62K0.0%N/A0.120%
5/5/2025Miller Financial Services LLC51,000$32K0.0%+104.0%0.063%
5/5/2025Formidable Asset Management LLC353,840$225K0.0%-7.5%0.439%
4/22/2025Congress Park Capital LLC673,686$428K0.2%-30.2%0.841%
4/15/2025Assenagon Asset Management S.A.711,454$452K0.0%+18.6%0.888%
2/19/2025Formidable Asset Management LLC382,529$394K0.1%+55.5%0.489%
2/17/2025Velan Capital Investment Management LP35,000$36K0.0%N/A0.045%
2/17/2025Two Sigma Investments LP320,767$330K0.0%-32.0%0.410%
2/17/2025Tidal Investments LLC382,529$394K0.0%+55.5%0.489%
2/17/2025Tang Capital Management LLC7,311,760$7.53M0.5%-6.4%9.343%
2/17/2025Point72 Asset Management L.P.2,650,000$2.73M0.0%N/A3.386%
2/17/2025Prosight Management LP3,905,000$4.02M1.1%+29.2%4.990%
2/17/2025Millennium Management LLC3,221,012$3.32M0.0%+25.8%4.116%
2/17/2025Jacobs Levy Equity Management Inc.1,547,215$1.59M0.0%+1.5%1.977%
2/17/2025Cubist Systematic Strategies LLC98,383$101K0.0%+302.2%0.126%
2/17/2025Bridgeway Capital Management LLC331,624$342K0.0%-7.0%0.424%
2/17/2025Algert Global LLC33,570$35K0.0%N/A0.043%
2/17/2025Aspire Growth Partners LLC40,780$42K0.0%N/A0.052%
2/14/2025Schonfeld Strategic Advisors LLC1,380,800$1.42M0.0%+13.9%1.764%
2/14/2025Northern Trust Corp150,632$155K0.0%+16.0%0.192%
2/14/2025Altium Capital Management LLC467,491$482K0.1%-48.9%0.597%
2/13/2025Renaissance Technologies LLC1,346,800$1.39M0.0%+32.7%1.721%
2/13/2025ADAR1 Capital Management LLC145,036$149K0.0%-84.0%0.185%
2/13/2025Russell Investments Group Ltd.34,054$35K0.0%-28.5%0.044%
2/12/2025JPMorgan Chase & Co.811,630$836K0.0%+288,736.3%1.037%
2/11/2025Prudential Financial Inc.64,300$66K0.0%+76.2%0.082%
2/11/2025Virtu Financial LLC57,012$59K0.0%-35.6%0.073%
2/10/2025Monimus Capital Management LP364,306$375K0.4%N/A0.466%
2/7/2025Miller Financial Services LLC25,000$26K0.0%N/A0.032%
1/17/2025Traphagen Investment Advisors LLC30,500$31K0.0%N/A0.039%
A grave, grave error. (Ad)

I thought what happened 25 years ago was a once- in-a-lifetime event… but how wrong I was. Because here we are, a quarter of a century later, almost to the exact day, and it’s happening again.

Here’s the full story for you.
1/15/2025Congress Park Capital LLC964,590$994K0.4%-20.7%1.233%
1/14/2025Assenagon Asset Management S.A.599,850$618K0.0%-63.5%0.766%
11/25/2024Tidal Investments LLC246,001$290K0.0%-4.7%0.314%
11/20/2024Virtu Financial LLC88,518$104K0.0%N/A0.113%
11/16/2024Geode Capital Management LLC803,531$948K0.0%+4.4%1.027%
11/15/2024XTX Topco Ltd43,664$52K0.0%-27.9%0.056%
11/15/2024Jane Street Group LLC27,231$32K0.0%-65.8%0.035%
11/15/2024Jacobs Levy Equity Management Inc.1,524,076$1.80M0.0%+1.1%1.947%
11/15/2024Janus Henderson Group PLC4,809,518$5.70M0.0%-23.7%6.146%
11/13/2024FMR LLC284,307$335K0.0%+17.3%0.363%
11/8/2024Connor Clark & Lunn Investment Management Ltd.280,593$331K0.0%+10.4%0.359%
11/6/2024Cornercap Investment Counsel Inc.41,458$49K0.0%-48.6%0.053%
10/28/2024US Bancorp DE33,792$40K0.0%N/A0.043%
10/23/2024Assenagon Asset Management S.A.1,644,168$1.94M0.0%+32.8%2.110%
10/9/2024Congress Park Capital LLC1,216,008$1.44M0.5%+5.4%1.561%
9/16/2024Cubist Systematic Strategies LLC82,054$100K0.0%+96.6%0.105%
8/16/2024Forefront Analytics LLC64,065$78K0.0%+206.7%0.082%
8/14/2024Squarepoint Ops LLC198,840$243K0.0%-22.7%0.255%
8/14/2024Cubist Systematic Strategies LLC82,054$100K0.0%+96.6%0.105%
8/13/2024Sei Investments Co.382,723$467K0.0%N/A0.491%
8/12/2024XTX Topco Ltd60,586$74K0.0%+382.6%0.078%
8/9/2024Renaissance Technologies LLC1,183,022$1.44M0.0%-4.0%1.518%
8/6/2024Acadian Asset Management LLC2,728,569$3.32M0.0%+1.4%3.502%
8/6/2024Candriam S.C.A.210,027$256K0.0%N/A0.270%
7/18/2024Assenagon Asset Management S.A.1,238,499$1.51M0.0%+206.0%1.589%
7/12/2024Congress Park Capital LLC1,153,220$1.41M0.6%+393.3%1.480%
5/17/2024Tidal Investments LLC288,101$631K0.0%-5.9%0.370%
5/16/2024Jacobs Levy Equity Management Inc.529,935$1.16M0.0%-33.0%0.680%
5/10/2024Acadian Asset Management LLC2,690,830$5.86M0.0%+1.7%3.949%
5/10/2024Vanguard Group Inc.4,857,374$10.59M0.0%-0.9%7.129%
5/7/2024Susquehanna Fundamental Investments LLC56,745$124K0.0%N/A0.083%
5/7/2024SG Americas Securities LLC26,114$57K0.0%N/A0.038%
4/16/2024Congress Park Capital LLC233,800$510K0.2%-2.3%0.345%
2/15/2024Forefront Analytics LLC30,846$48K0.0%-37.6%0.046%
2/7/2024Formidable Asset Management LLC306,107$474K0.1%-3.8%0.457%
1/19/2024Congress Park Capital LLC239,300$371K0.2%+112.8%0.357%
1/19/2024AlphaMark Advisors LLC23,183$36K0.0%+119.8%0.035%
1/17/2024Assenagon Asset Management S.A.404,674$627K0.0%-5.0%0.604%
11/13/2023Connor Clark & Lunn Investment Management Ltd.145,934$188K0.0%-6.5%0.218%
11/6/2023Assenagon Asset Management S.A.425,921$549K0.0%-36.2%0.638%
10/24/2023Bank of New York Mellon Corp266,836$344K0.0%+737.4%0.400%
8/8/2023Bronte Capital Management Pty Ltd.925,245$1.59M0.2%+0.8%1.395%
7/14/2023Congress Park Capital LLC106,150$183K0.1%+5.9%0.160%
5/12/2023Tejara Capital Ltd157,928$238K0.1%-33.1%0.238%
5/11/2023Cornercap Investment Counsel Inc.82,415$124K0.0%-44.4%0.124%
5/10/2023Connor Clark & Lunn Investment Management Ltd.134,309$203K0.0%-11.1%0.202%
5/1/2023Virtu Financial LLC24,136$36K0.0%N/A0.036%
4/20/2023Congress Park Capital LLC100,200$151K0.1%N/A0.151%
4/18/2023Assenagon Asset Management S.A.668,032$1.01M0.0%-27.0%1.009%
2/15/2023Tang Capital Management LLC3,510,445$5.62M0.8%+0.3%5.312%
A grave, grave error. (Ad)

I thought what happened 25 years ago was a once- in-a-lifetime event… but how wrong I was. Because here we are, a quarter of a century later, almost to the exact day, and it’s happening again.

Here’s the full story for you.
2/13/2023Platinum Investment Management Ltd.635,798$1.02M0.0%-48.3%0.962%
2/13/2023Forefront Analytics LLC24,787$40K0.0%-48.2%0.038%
2/10/2023Connor Clark & Lunn Investment Management Ltd.151,020$242K0.0%-28.3%0.229%
2/9/2023CM Management LLC75,000$120K0.1%N/A0.113%
2/7/2023Commonwealth Equity Services LLC53,243$85K0.0%N/A0.081%
2/7/2023Formidable Asset Management LLC318,233$509K0.1%+2.2%0.482%
2/1/2023Bank of Montreal Can69,600$120K0.0%N/A0.105%
1/12/2023Assenagon Asset Management S.A.914,900$1.46M0.0%-14.1%1.384%
1/10/2023FNY Investment Advisers LLC65,000$104K0.1%N/A0.098%
11/23/2022Toroso Investments LLC311,315$451K0.0%+49.8%0.471%
(Data available from 1/1/2016 forward)

CTMX Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of CTMX shares?

During the previous two years, 50 institutional investors and hedge funds held shares of CytomX Therapeutics. The most heavily invested institutionals were Vanguard Group Inc. ($10.59M), Tang Capital Management LLC ($7.53M), Janus Henderson Group PLC ($5.70M), Prosight Management LP ($4.02M), Millennium Management LLC ($3.32M), Point72 Asset Management L.P. ($2.73M), and Acadian Asset Management LLC ($2.05M).Learn more on CytomX Therapeutics' institutional investors.

What percentage of CytomX Therapeutics' stock is owned by institutional investors?

67.77% of CytomX Therapeutics' stock is owned by institutional investors. Learn more on CTMX's institutional investor holdings.

Which institutional investors have been buying CytomX Therapeutics' stock?

Of the 39 institutional investors that purchased CytomX Therapeutics' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Point72 Asset Management L.P. ($2.65M), Woodline Partners LP ($1.66M), Assenagon Asset Management S.A. ($1.35M), Congress Park Capital LLC ($1.12M), RA Capital Management L.P. ($1M), Prosight Management LP ($882.89K), and JPMorgan Chase & Co. ($811.35K).

How much institutional buying is happening at CytomX Therapeutics?

Institutional investors have bought a total of 12,958,402 shares in the last 24 months. This purchase volume represents approximately $12.66M in transactions.

Which of CytomX Therapeutics' major shareholders have been selling company stock?

Of the 18 institutional investors that sold CytomX Therapeutics' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Janus Henderson Group PLC ($1.49M), Assenagon Asset Management S.A. ($1.04M), Jacobs Levy Equity Management Inc. ($861.01K), ADAR1 Capital Management LLC ($856.92K), Congress Park Capital LLC ($542.32K), Tang Capital Management LLC ($500K), and Altium Capital Management LLC ($447.51K).

How much institutional selling is happening at CytomX Therapeutics?

Institutional investors have sold a total of 6,222,649 shares in the last 24 months. This volume of shares sold represents approximately $6.17M in transactions.


Related Companies

This page (NASDAQ:CTMX) was last updated on 7/8/2025 by MarketBeat.com Staff
From Our Partners
Everyone’s watching Nvidia right now. Here’s why I’m excited.
So, unless you’ve been living under a rock, you probably saw the news… Nvidia just signed a $7 BILLION deal...
Timothy Sykes | Sponsored
Your Bank Account Is No Longer Safe
What If Washington Declared That: YOUR Money ISN'T Actually Yours? Sounds insane, but that's exactly what ...
Priority Gold | Sponsored
F1 Engineering Powers This Electric Marine Motor
The future of marine propulsion has arrived - powered by F-1 grade engineering. In collaboration with McLar...
The Tomorrow Investor | Sponsored
Elon’s NEXT Big IPO?
Cancel your internet TODAY!? Take your latest internet bill and light it on fire… then count the seconds it...
Banyan Hill Publishing | Sponsored
The Trump Dump is starting; Get out of stocks now?
The first 365 days of the Trump presidency… Will be the best time to get rich in American history.
Paradigm Press | Sponsored
Market Panic: Trump Just Dropped a Bomb on Your Stocks
tock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tarif...
American Alternative | Sponsored
INVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting Off
Right now, we’re witnessing a monumental shift in the world.
Traders Agency | Sponsored
White House to reset Social Security?
Elon Musk's parting DOGE gift looks set to shock America... A single announcement by July 22nd could soon b...
Altimetry | Sponsored