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CytomX Therapeutics (CTMX) Institutional Ownership

CytomX Therapeutics logo
$2.04 -0.09 (-4.23%)
Closing price 04:00 PM Eastern
Extended Trading
$2.03 -0.01 (-0.44%)
As of 07:56 PM 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 Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for CytomX Therapeutics (NASDAQ:CTMX)

Current
Institutional Ownership
Percentage
67.77%
Number of
Institutional Buyers
(last 12 months)
99
Total
Institutional Inflows
(last 12 months)
$372.26M
Number of
Institutional Sellers
(last 12 months)
24
Total
Institutional Outflows
(last 12 months)
$96.56M
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CTMX Institutional Buying and Selling by Quarter

CytomX Therapeutics Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/12/2026State Street Corp9,025,855$24.55M0.0%-61.6%4.140%
11/11/2026 Private Advisor Group LLC138,468$377K0.0%+154.1%0.064%
11/9/2026 IFG Advisory LLC209,243$569K0.0%N/A0.096%
11/4/2026 Almanack Investment Partners LLC.11,000$30K0.0%N/A0.005%
10/29/2026 Mirae Asset Global Investments Co. Ltd.11,135$30K0.0%N/A0.005%
10/29/2026 Profund Advisors LLC78,381$213K0.0%-29.6%0.036%
10/28/2026 Peak Financial Advisors LLC462,061$1.26M0.5%N/A0.212%
10/28/2026 VIRGINIA RETIREMENT SYSTEMS ET Al24,500$67K0.0%N/A0.011%
10/17/2026 Robertson Stephens Wealth Management LLC220,000$598K0.0%+129.2%0.101%
10/15/2026 Assenagon Asset Management S.A.1,181,259$3.21M0.0%+224.4%0.542%
9/9/2026Engineers Gate Manager LP83,130$312K0.0%+182.0%0.038%
9/9/2026Integrated Wealth Concepts LLC12,600$47K0.0%N/A0.006%
9/9/2026 Squarepoint Ops LLC112,152$421K0.0%-53.5%0.051%
8/21/2026Pale Fire Capital SE22,900$86K0.0%N/A0.011%
8/21/2026Velan Capital Investment Management LP120,000$450K0.3%-77.8%0.055%
8/19/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC219,779$824K0.0%+16.0%0.101%
8/19/2026Hsbc Holdings PLC26,636$103K0.0%N/A0.012%
8/19/2026Wellington Management Group LLP5,168,961$19.38M0.0%+44.3%2.372%
8/18/2026Stonepine Capital Management LLC205,000$768.75K0.0%N/A0.094%
8/17/2026Seven Fleet Capital Management LP1,085,398$4.07M0.0%N/A0.498%
8/17/2026Bank of America Corp DE15,082,617$56.56M0.0%N/A6.922%
8/15/2026Freestone Grove Partners LP18,972$71K0.0%N/A0.009%
8/15/2026Jupiter Topco LLC46,700$175K0.0%N/A0.021%
8/15/2026Elmind Capital LP4,550,000$17.06M0.0%N/A2.088%
8/15/2026AWM Investment Company Inc.150,000$562K0.0%N/A0.069%
8/14/2026ADAR1 Capital Management LLC3,365,118$12.62M0.6%N/A1.544%
8/14/2026Hsbc Holdings PLC26,636$103K0.0%N/A0.012%
8/14/2026Canada Pension Plan Investment Board141,500$531K0.0%N/A0.065%
8/14/2026Legal & General Group Plc123,313$462K0.0%N/A0.057%
8/14/2026The Manufacturers Life Insurance Company47,795$179K0.0%N/A0.022%
8/14/2026Algert Global LLC90,900$341K0.0%N/A0.042%
8/13/2026DLD Asset Management LP15,000$56K0.0%N/A0.009%
8/13/2026Forefront Analytics LLC25,033$94K0.1%N/A0.015%
8/12/2026TRB 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%
8/11/2026E Fund Management Co. Ltd.31,214$117K0.0%N/A0.018%
8/11/2026Nierenberg Investment Management Company LLC12,555$47.08K0.0%N/A0.007%
8/7/2026BlackRock Inc.17,559,822$65.85M0.0%N/A10.318%
8/7/2026 Deutsche Bank AG663,038$2.49M0.0%N/A0.390%
8/7/2026Pursue Wealth Partners LLC14,492$54K0.0%N/A0.009%
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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%
8/3/2026Walleye Capital LLC126,526$474K0.0%N/A0.074%
6/4/2026Seven Fleet Capital Management LP1,085,398$5.10M1.6%+2,119.7%0.638%
6/3/2026DV Trading LLC714,000$3.36M0.1%N/A0.420%
5/29/2026Perceptive Advisors LLC10,098,824$47.46M0.9%+4.3%5.934%
5/19/2026Bank 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%
5/19/2026Ally Bridge Group NY LLC900,000$4.23M3.4%N/A0.529%
5/18/2026ADAR1 Capital Management LLC3,410,190$16.03M0.9%-20.4%2.004%
5/18/2026California State Teachers Retirement System88,379$415K0.0%N/A0.052%
5/18/2026Elmind Capital LP4,550,000$21.39M6.1%+550.0%2.673%
5/18/2026Eversept Partners LP3,188,514$14.99M0.8%+27.2%1.874%
5/18/2026Exome Asset Management LLC521,468$2.45M1.3%-30.0%0.306%
5/15/2026OMERS ADMINISTRATION Corp62,400$293K0.0%-28.9%0.037%
5/14/2026Gabelli Funds LLC33,000$155K0.0%N/A0.019%
5/14/2026GABELLI & Co INVESTMENT ADVISERS INC.11,000$52K0.0%N/A0.006%
5/14/2026Siren 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%
5/14/2026Forefront Analytics LLC12,476$59K0.1%-33.3%0.007%
5/14/2026 State of Wyoming52,692$248K0.0%+145.0%0.031%
5/13/2026First 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%
5/7/2026Swiss 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%
3/20/2026Hsbc Holdings PLC12,230$52K0.0%N/A0.007%
2/26/2026Seven Fleet Capital Management LP48,898$208K0.2%N/A0.029%
2/18/2026Empowered Funds LLC31,332$133K0.0%N/A0.018%
2/18/2026XTX Topco Ltd47,991$204K0.0%+63.9%0.028%
2/18/2026Ikarian Capital LLC3,172,616$13.52M1.0%-5.9%1.872%
2/18/2026Virtus Investment Advisers LLC63,491$270K0.1%N/A0.037%
2/18/2026Twinbeech Capital LP17,600$75K0.0%N/A0.010%
2/18/2026Orbimed Advisors LLC3,525,650$15.02M0.3%-58.3%2.081%
2/18/2026Millennium Management LLC289,653$1.23M0.0%-79.1%0.171%
2/18/2026Evolve Private Wealth LLC14,834$63K0.0%N/A0.009%
2/18/2026Elmind Capital LP700,000$2.98M0.9%N/A0.413%
2/18/2026Engineers Gate Manager LP26,539$113K0.0%N/A0.016%
2/18/2026Eversept Partners LP2,507,090$10.68M0.5%N/A1.480%
2/18/2026Boothbay Fund Management LLC894,663$3.81M0.1%-27.7%0.528%
2/17/2026Jain Global LLC21,212$90K0.0%-37.0%0.013%
2/17/2026Mangrove Partners IM LLC26,265$112K0.0%N/A0.016%
2/16/2026 Squarepoint Ops LLC49,897$213K0.0%+4.5%0.029%
2/16/2026OMERS ADMINISTRATION Corp87,800$374K0.0%N/A0.052%
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2/16/2026Truvestments Capital LLC27,428$117K0.0%+60.4%0.016%
2/16/2026Mariner LLC22,180$94K0.0%+116.4%0.013%
2/16/2026 Barclays PLC336,525$1.43M0.0%+22,485.6%0.199%
2/13/2026Marshall Wace LLP1,156,936$4.93M0.0%+4.7%0.683%
2/13/2026Hudson Bay Capital Management LP50,990$217K0.0%N/A0.030%
2/13/2026Bank of Nova Scotia13,661$58K0.0%N/A0.008%
2/13/2026Rafferty Asset Management LLC273,584$1.17M0.0%N/A0.161%
2/13/2026First Trust Advisors LP423,168$1.80M0.0%+5.3%0.250%
2/13/2026Charles Schwab Investment Management Inc.68,687$293K0.0%-22.4%0.041%
2/13/2026State Street Corp5,140,931$21.90M0.0%+697.1%3.034%


CTMX Institutional Ownership - Frequently Asked Questions

During the previous two years, 154 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 ($24.55M), 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 142 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 93,360,309 shares in the last 24 months. This purchase volume represents approximately $372.26M in transactions.

Of the 24 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: State Street Corp ($14.47M), 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), and Velan Capital Investment Management LP ($420K).

Institutional investors have sold a total of 29,296,220 shares in the last 24 months. This volume of shares sold represents approximately $96.56M in transactions.


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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 11/12/2026. New 13F filings are added each quarter as they're published.
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