Go Pro
→ Iran War Shock: What I Was Told In That Private Meeting (From Banyan Hill Publishing) (Ad)tc pixel Free CTMX Stock Alerts

CytomX Therapeutics (CTMX) Institutional Ownership

CytomX Therapeutics logo
$3.71 0.00 (0.00%)
As of 09/4/2026 04:00 PM Eastern
Compare

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

Current
Institutional Ownership
Percentage
67.77%
Number of
Institutional Buyers
(last 12 months)
104
Total
Institutional Inflows
(last 12 months)
$373.92M
Number of
Institutional Sellers
(last 12 months)
23
Total
Institutional Outflows
(last 12 months)
$58.93M
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.

Subscribe Now
SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
Skip Chart & View Institutional Buying and Selling Data

CTMX Institutional Buying and Selling by Quarter

CytomX Therapeutics Major Shareholders & Ownership History

Export
Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/24/2026 California State Teachers Retirement System781,789$2.93M0.0%+784.6%0.359%
8/21/2026 Pale Fire Capital SE22,900$86K0.0%N/A0.011%
8/21/2026 Velan Capital Investment Management LP120,000$450K0.3%-77.8%0.055%
8/19/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC219,779$824K0.0%+16.0%0.101%
8/19/2026 Hsbc Holdings PLC26,636$103K0.0%N/A0.012%
8/19/2026 Wellington Management Group LLP5,168,961$19.38M0.0%+44.3%2.372%
8/18/2026 Stonepine Capital Management LLC205,000$768.75K0.0%N/A0.094%
8/17/2026 Seven Fleet Capital Management LP1,085,398$4.07M0.0%N/A0.498%
8/17/2026 Bank of America Corp DE15,082,617$56.56M0.0%N/A6.922%
8/15/2026 Freestone Grove Partners LP18,972$71K0.0%N/A0.009%
8/15/2026 Jupiter Topco LLC46,700$175K0.0%N/A0.021%
8/15/2026 Elmind Capital LP4,550,000$17.06M0.0%N/A2.088%
8/15/2026 AWM Investment Company Inc.150,000$562K0.0%N/A0.069%
8/14/2026 ADAR1 Capital Management LLC3,365,118$12.62M0.6%N/A1.544%
8/14/2026 Hsbc Holdings PLC26,636$103K0.0%N/A0.012%
8/14/2026 Canada Pension Plan Investment Board141,500$531K0.0%N/A0.065%
8/14/2026 Legal & General Group Plc123,313$462K0.0%N/A0.057%
8/14/2026 The Manufacturers Life Insurance Company 47,795$179K0.0%N/A0.022%
8/14/2026 Algert Global LLC90,900$341K0.0%N/A0.042%
8/13/2026 DLD Asset Management LP15,000$56K0.0%N/A0.009%
8/13/2026 Forefront Analytics LLC25,033$94K0.1%N/A0.015%
8/12/2026 TRB Wealth Management LLC13,435$50K0.0%N/A0.008%
8/12/2026 Landscape Capital Management L.L.C.94,240$353K0.0%N/A0.055%
8/11/2026 E Fund Management Co. Ltd.31,214$117K0.0%N/A0.018%
8/11/2026 Nierenberg Investment Management Company LLC12,555$47.08K0.0%N/A0.007%
8/7/2026 BlackRock Inc.17,559,822$65.85M0.0%N/A10.318%
8/7/2026 Deutsche Bank AG663,038$2.49M0.0%N/A0.390%
8/7/2026 Pursue Wealth Partners LLC14,492$54K0.0%N/A0.009%
8/6/2026 Bank of New York Mellon Corp684,539$2.57M0.0%N/A0.402%
8/6/2026 State of Wyoming54,987$206K0.0%N/A0.032%
8/3/2026 Walleye Capital LLC126,526$474K0.0%N/A0.074%
6/4/2026 Seven Fleet Capital Management LP1,085,398$5.10M1.6%+2,119.7%0.638%
6/3/2026 DV Trading LLC714,000$3.36M0.1%N/A0.420%
5/29/2026 Perceptive Advisors LLC10,098,824$47.46M0.9%+4.3%5.934%
5/19/2026 Bank of America Corp DE10,202,785$47.95M0.0%+1,064.3%5.995%
5/19/2026Janus Henderson Group PLC46,700$220K0.0%N/A0.027%
5/19/2026 Ally Bridge Group NY LLC900,000$4.23M3.4%N/A0.529%
5/18/2026 ADAR1 Capital Management LLC3,410,190$16.03M0.9%-20.4%2.004%
5/18/2026 California State Teachers Retirement System88,379$415K0.0%N/A0.052%
5/18/2026 Elmind Capital LP4,550,000$21.39M6.1%+550.0%2.673%
Ticker Revealed: Pre-IPO Access to "Next Elon Musk" Company (Ad)

We’ve found The Next Elon Musk… and what we believe to be the next Tesla. It’s already racked up $26 billion in government contracts. Peter Thiel just bet $1 Billion on it.tc pixel

👉 Unlock the ticker now and get it completely free.
5/18/2026 Eversept Partners LP3,188,514$14.99M0.8%+27.2%1.874%
5/18/2026 Exome Asset Management LLC521,468$2.45M1.3%-30.0%0.306%
5/15/2026 OMERS ADMINISTRATION Corp62,400$293K0.0%-28.9%0.037%
5/14/2026 Gabelli Funds LLC33,000$155K0.0%N/A0.019%
5/14/2026 GABELLI & Co INVESTMENT ADVISERS INC.11,000$52K0.0%N/A0.006%
5/14/2026 Siren L.L.C.3,457,711$16.25M0.5%N/A2.032%
5/14/2026 Sei Investments Co.248,248$1.17M0.0%+100.0%0.146%
5/14/2026 Lido Advisors LLC10,425$49K0.0%N/A0.006%
5/14/2026 Forefront Analytics LLC12,476$59K0.1%-33.3%0.007%
5/14/2026 State of Wyoming52,692$248K0.0%+145.0%0.031%
5/13/2026 First Trust Advisors LP568,562$2.67M0.0%+34.4%0.334%
5/7/2026 Dimensional Fund Advisors LP1,930,920$9.07M0.0%+49.7%1.135%
5/7/2026 Swiss National Bank319,600$1.50M0.0%N/A0.188%
5/5/2026 Bank of New York Mellon Corp289,868$1.36M0.0%-11.7%0.170%
4/27/2026 HB Wealth Management LLC50,000$235K0.0%+100.0%0.029%
4/27/2026 Y Intercept Hong Kong Ltd167,514$787K0.0%N/A0.098%
4/23/2026 Formidable Asset Management LLC18,263$86K0.0%-60.1%0.011%
4/22/2026 Pictet Asset Management Holding SA16,606$78K0.0%N/A0.010%
4/21/2026 Cannon Global Investment Management LLC96,100$452K0.9%N/A0.056%
4/20/2026 Assenagon Asset Management S.A.364,173$1.71M0.0%-38.6%0.214%
3/20/2026 Hsbc Holdings PLC12,230$52K0.0%N/A0.007%
2/26/2026 Seven Fleet Capital Management LP48,898$208K0.2%N/A0.029%
2/18/2026 Empowered Funds LLC31,332$133K0.0%N/A0.018%
2/18/2026 XTX Topco Ltd47,991$204K0.0%+63.9%0.028%
2/18/2026 Ikarian Capital LLC3,172,616$13.52M1.0%-5.9%1.872%
2/18/2026 Virtus Investment Advisers LLC63,491$270K0.1%N/A0.037%
2/18/2026 Twinbeech Capital LP17,600$75K0.0%N/A0.010%
2/18/2026 Orbimed Advisors LLC3,525,650$15.02M0.3%-58.3%2.081%
2/18/2026 Millennium Management LLC289,653$1.23M0.0%-79.1%0.171%
2/18/2026 Evolve Private Wealth LLC14,834$63K0.0%N/A0.009%
2/18/2026 Elmind Capital LP700,000$2.98M0.9%N/A0.413%
2/18/2026 Engineers Gate Manager LP26,539$113K0.0%N/A0.016%
2/18/2026 Eversept Partners LP2,507,090$10.68M0.5%N/A1.480%
2/18/2026 Boothbay Fund Management LLC894,663$3.81M0.1%-27.7%0.528%
2/17/2026 Jain Global LLC21,212$90K0.0%-37.0%0.013%
2/17/2026 Mangrove Partners IM LLC26,265$112K0.0%N/A0.016%
2/16/2026 Squarepoint Ops LLC49,897$213K0.0%+4.5%0.029%
2/16/2026 OMERS ADMINISTRATION Corp87,800$374K0.0%N/A0.052%
2/16/2026 Truvestments Capital LLC27,428$117K0.0%+60.4%0.016%
2/16/2026 Mariner LLC22,180$94K0.0%+116.4%0.013%
2/16/2026 Barclays PLC336,525$1.43M0.0%+22,485.6%0.199%
2/13/2026 Marshall Wace LLP1,156,936$4.93M0.0%+4.7%0.683%
2/13/2026 Hudson Bay Capital Management LP50,990$217K0.0%N/A0.030%
2/13/2026 Bank of Nova Scotia13,661$58K0.0%N/A0.008%
2/13/2026 Rafferty Asset Management LLC273,584$1.17M0.0%N/A0.161%
2/13/2026 First Trust Advisors LP423,168$1.80M0.0%+5.3%0.250%
2/13/2026 Charles Schwab Investment Management Inc.68,687$293K0.0%-22.4%0.041%
2/13/2026 State Street Corp5,140,931$21.90M0.0%+697.1%3.034%
2/13/2026 Wells Fargo & Company MN6,605$28K0.0%+83.2%0.004%
2/12/2026 HRT Financial LP71,867$306K0.0%N/A0.042%
ALERT: Drop these 5 stocks before the market opens tomorrow! (Ad)

The Wall Street Journal is already raising the alarm about a potential market crash, and Weiss Ratings research points to the first half of 2026 as a particularly rough stretch for certain holdings. Some of America's most popular stocks could take serious damage as a radical market shift plays out. Analysts at Weiss Ratings have identified five names you may want to remove from your portfolio before this unfolds. If any of these are in your portfolio, now is the time to review your positions.tc pixel

See the 5 stocks to avoid
2/12/2026Brooklyn Investment Group61,474$258K0.0%-29.5%0.036%
2/12/2026 Financial Engines Advisors L.L.C.3,828,717$16.31M0.0%+177.2%2.260%
2/12/2026 Dimensional Fund Advisors LP1,289,656$5.49M0.0%+185.9%0.761%
2/12/2026 Informed Momentum Co LLC203,823$868K0.1%N/A0.120%
2/11/2026 Paces Ferry Wealth Advisors LLC14,822$63K0.0%N/A0.009%
2/11/2026 Empowered Funds LLC31,332$133K0.0%N/A0.018%
2/11/2026 LPL Financial LLC113,440$483K0.0%+30.9%0.067%
2/11/2026 Schulhoff & Co. Inc.374,850$1.60M0.7%N/A0.221%
2/11/2026 State of Wyoming21,511$92K0.0%N/A0.013%
2/10/2026 Goldman Sachs Group Inc.2,460,944$10.48M0.0%+449.6%1.452%


CTMX Institutional Ownership - Frequently Asked Questions

During the previous two years, 149 institutional investors and hedge funds held shares of CytomX Therapeutics. The most heavily invested institutionals were BlackRock Inc. ($65.85M), Bank of America Corp DE ($56.56M), Perceptive Advisors LLC ($47.46M), Vanguard Group Inc. ($28.54M), State Street Corp ($21.90M), Wellington Management Group LLP ($19.38M), and Commodore Capital LP ($17.46M).Learn more on CytomX Therapeutics' institutional investors.

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

Of the 137 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: Bank of America Corp DE ($25.41M), BlackRock Inc. ($17.56M), Elmind Capital LP ($9.10M), Orbimed Advisors LLC ($8.46M), Commodore Capital LP ($7.69M), Perceptive Advisors LLC ($7.41M), and Vivo Capital LLC ($5.77M).

Institutional investors have bought a total of 93,514,514 shares in the last 24 months. This purchase volume represents approximately $373.92M in transactions.

Of the 23 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: Orbimed Advisors LLC ($4.94M), Prosight Management LP ($2.95M), Vivo Capital LLC ($2.88M), Millennium Management LLC ($1.10M), ADAR1 Capital Management LLC ($872.58K), Vanguard Group Inc. ($431.99K), and Velan Capital Investment Management LP ($420K).

Institutional investors have sold a total of 15,386,878 shares in the last 24 months. This volume of shares sold represents approximately $58.93M in transactions.


Related Companies

Institutional ownership data for NASDAQ:CTMX is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/24/2026. New 13F filings are added each quarter as they're published.
From Our Partners
ALERT: Drop these 5 stocks before the market opens tomorrow!
The Wall Street Journal is already raising the alarm about a potential market crash, and Weiss Ratings researc...
Weiss Ratings | Sponsoredtc pixel
Small Colorado Company (Backed by Sam Altman) Could Save U.S. Power Grid
A small Colorado company has secured rights to technology that could prevent the U.S. public power grid from c...
Altimetry | Sponsoredtc pixel
Louis Navellier: My #1 AI stock for 2026 (name & ticker inside)
Louis Navellier's Stock Grader system helped him flag Nvidia before its 82,000% run and has identified the top...
InvestorPlace | Sponsoredtc pixel
Ready to give options a try? Your first trade (Ticker included) -INSIDE
Tired of trying tactic after tactic when it comes to options trades... only to be met with market noise and st...
Base Camp Trading | Sponsoredtc pixel
The $15 Gold Fund That Pays Up to $1,152/Month
Gold is hitting record highs, but most investors are leaving income on the table. A $15 fund is quietly paying...
Investors Alley | Sponsoredtc pixel
Iran War Shock: What I Was Told In That Private Meeting
You’re Being LIED To About The Iran War Forget EVERYTHING you’ve heard about the Iran war. Especially th...
Banyan Hill Publishing | Sponsoredtc pixel
My top 3 AI picks for the next decade
Alexander Green bought Apple in 1996, recommended Nvidia at a split-adjusted 66 cents in 2004, and picked up A...
The Oxford Club | Sponsoredtc pixel
Here’s the stock symbol I’ve promised
Whitney Tilson of Stansberry Research has long recommended Berkshire Hathaway as a core retirement holding - b...
Stansberry Research | Sponsoredtc pixel