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Zenas BioPharma (ZBIO) Institutional Ownership

Zenas BioPharma logo
$19.64 +0.37 (+1.92%)
Closing price 05/8/2026 04:00 PM Eastern
Extended Trading
$19.62 -0.02 (-0.10%)
As of 05/8/2026 05:52 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 Zenas BioPharma (NASDAQ:ZBIO)

Number of
Institutional Buyers
(last 12 months)
57
Total
Institutional Inflows
(last 12 months)
$227.57M
Number of
Institutional Sellers
(last 12 months)
17
Total
Institutional Outflows
(last 12 months)
$39.69M
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Skip Chart & View Institutional Buying and Selling Data

ZBIO Institutional Buying and Selling by Quarter

Zenas BioPharma Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/8/2026PNC Financial Services Group Inc.4,767$93K0.0%-18.1%0.008%
5/7/2026 SEB Asset Management AB163,860$3.20M0.0%N/A0.286%
5/6/2026 Jennison Associates LLC250,000$4.89M0.0%N/A0.436%
5/5/2026 Bank of New York Mellon Corp60,864$1.19M0.0%+17.5%0.106%
4/24/2026 iA Global Asset Management Inc.215,830$4.22M0.1%N/A0.376%
2/19/2026Invesco Ltd.187,968$6.83M0.0%+28.9%0.350%
2/18/2026XTX Topco Ltd12,183$442K0.0%N/A0.023%
2/18/2026VARCOV Co.7,335$266K0.1%N/A0.014%
2/18/2026Voloridge Investment Management LLC133,439$4.85M0.0%N/A0.249%
2/18/2026Virtus Investment Advisers LLC6,554$238K0.1%N/A0.012%
2/18/2026Superstring Capital Management LP83,353$3.03M1.6%-13.8%0.155%
2/18/2026Millennium Management LLC49,160$1.79M0.0%-31.6%0.092%
2/18/2026Janus Henderson Group PLC7,900$287K0.0%N/A0.015%
2/18/2026EcoR1 Capital LLC789,500$28.67M1.3%N/A1.471%
2/18/2026Eversept Partners LP121,016$4.39M0.2%-23.8%0.225%
2/18/2026Balyasny Asset Management L.P.193,153$7.01M0.0%N/A0.360%
2/17/2026Schonfeld Strategic Advisors LLC9,127$331K0.0%N/A0.017%
2/17/2026AQR Capital Management LLC78,220$2.84M0.0%+218.2%0.146%
2/17/2026NEA Management Company LLC3,523,219$127.93M6.5%+28.9%6.563%
2/17/2026ArrowMark Colorado Holdings LLC751,161$27.28M0.6%-8.9%1.399%
2/17/2026Price T Rowe Associates Inc. MD369,248$13.41M0.0%-1.3%0.688%
2/17/2026Rock Springs Capital Management LP502,077$18.23M0.9%-13.5%0.935%
2/17/2026California State Teachers Retirement System15,701$570K0.0%+1,271.3%0.029%
2/17/2026State of Wisconsin Investment Board10,221$371K0.0%N/A0.019%
2/17/2026Polar Capital Holdings Plc1,057,609$38.40M0.1%N/A1.970%
2/16/2026Squarepoint Ops LLC15,541$564K0.0%N/A0.029%
2/16/2026Mariner LLC7,676$279K0.0%N/A0.014%
2/16/2026NEXTBio Capital Management LP321,983$11.69M6.9%N/A0.600%
2/16/2026Barclays PLC34,377$1.25M0.0%+50.3%0.064%
2/13/2026Marshall Wace LLP7,100$258K0.0%N/A0.013%
2/13/2026The Manufacturers Life Insurance Company 6,256$227K0.0%N/A0.012%
2/13/2026Pivotal bioVenture Partners Investment Advisor LLC591,991$21.50M8.3%-24.0%1.103%
2/13/2026Vivo Capital LLC853,495$30.99M2.0%-27.9%1.590%
2/13/2026Schroder Investment Management Group50,636$1.85M0.0%-55.0%0.094%
2/13/2026Charles Schwab Investment Management Inc.213,193$7.74M0.0%+19.5%0.397%
2/13/2026State Street Corp438,294$15.91M0.0%+16.1%0.816%
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC8,400$305K0.0%N/A0.016%
2/13/2026Wells Fargo & Company MN21,151$768K0.0%+69.8%0.039%
2/12/2026SR One Capital Management LP5,037,854$182.92M25.9%+2.6%9.385%
2/12/2026Federated Hermes Inc.2,715,578$98.60M0.2%+45.9%5.059%
2/12/2026Skandinaviska Enskilda Banken AB publ 163,860$5.95M0.0%N/A0.305%
2/12/2026Alps Advisors Inc.44,077$1.60M0.0%+119.9%0.082%
2/12/2026 Swiss National Bank31,600$1.15M0.0%N/A0.059%
2/12/2026 Nuveen LLC50,850$1.85M0.0%+147.8%0.095%
2/11/2026 Deutsche Bank AG12,781$464K0.0%+4.5%0.024%
2/11/2026Los Angeles Capital Management LLC14,447$525K0.0%N/A0.027%
2/10/2026Goldman Sachs Group Inc.130,698$4.75M0.0%N/A0.243%
2/10/2026Intech Investment Management LLC8,863$322K0.0%N/A0.017%
2/9/2026Geode Capital Management LLC588,393$21.37M0.0%+25.2%1.096%
2/6/2026 ProShare Advisors LLC5,820$211K0.0%N/A0.011%
1/29/2026 UBS Group AG69,495$2.52M0.0%+95.8%0.129%
1/29/2026Vanguard Group Inc.1,453,065$52.76M0.0%+25.0%2.707%
1/29/2026 China Universal Asset Management Co. Ltd.13,314$483K0.0%N/A0.025%
1/27/2026 GF Fund Management CO. LTD.1,054$38K0.0%N/A0.002%
1/26/2026 Mirae Asset Global Investments Co. Ltd.2,608$95K0.0%N/A0.005%
1/26/2026CWM LLC2,178$79K0.0%+48.3%0.004%
1/1/2026JPMorgan Chase & Co.6,548$145K0.0%-14.7%0.012%
11/17/2025Quarry LP1,134$25K0.0%+34.5%0.002%
11/17/2025Millennium Management LLC71,850$1.60M0.0%N/A0.134%
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.7,461$166K0.0%-16.0%0.014%
11/17/2025Bank of America Corp DE14,809$329K0.0%+5.8%0.028%
11/17/2025ArrowMark Colorado Holdings LLC824,668$18.31M0.3%-24.6%1.536%
11/17/2025Alliancebernstein L.P.18,350$407K0.0%+12.2%0.034%
11/14/2025Creative Planning11,882$264K0.0%N/A0.022%
11/14/2025Two Sigma Investments LP20,382$452K0.0%+3.9%0.048%
11/14/2025Wellington Management Group LLP857,524$19.04M0.0%-2.4%2.036%
11/13/2025Invesco Ltd.145,796$3.24M0.0%N/A0.346%
11/13/2025 UBS Group AG35,492$788K0.0%+46.3%0.084%
11/13/2025BNP Paribas Financial Markets3,146$70K0.0%+120.0%0.007%
11/13/2025Russell Investments Group Ltd.1,345$30K0.0%N/A0.003%
11/13/2025Schroder Investment Management Group112,612$2.32M0.0%-27.3%0.267%
11/7/2025Vanguard Group Inc.1,162,758$25.81M0.0%+17.2%2.761%
11/7/2025JPMorgan Chase & Co.6,548$145K0.0%-14.7%0.016%
11/7/2025PNC Financial Services Group Inc.5,843$130K0.0%-36.3%0.014%
11/6/2025Rhumbline Advisers21,214$471K0.0%+7.6%0.050%
11/5/2025Alps Advisors Inc.20,042$445K0.0%-11.1%0.048%
8/15/2025Bank of America Corp DE13,991$136K0.0%+32.3%0.033%
8/14/2025Sei Investments Co.12,142$118K0.0%N/A0.029%
8/14/2025Federated Hermes Inc.1,861,838$18.04M0.0%+60.8%4.451%
8/13/2025Schroder Investment Management Group154,916$1.48M0.0%-5.6%0.370%
8/12/2025Rhumbline Advisers19,721$191K0.0%+71.3%0.047%
8/8/2025Intech Investment Management LLC13,206$128K0.0%+13.9%0.032%
8/8/2025Geode Capital Management LLC373,617$3.62M0.0%+4.6%0.893%
8/8/2025PNC Financial Services Group Inc.9,179$89K0.0%+41.2%0.022%
6/27/2025Goldman Sachs Group Inc.23,957$189K0.0%-43.2%0.057%
5/29/2025Rhumbline Advisers11,514$91K0.0%-70.4%0.028%
5/16/2025Goldman Sachs Group Inc.23,957$189K0.0%-43.2%0.057%
5/14/2025Wellington Management Group LLP873,623$6.90M0.0%-23.0%2.088%
5/12/2025Nuveen LLC31,626$250K0.0%N/A0.076%
5/9/2025Charles Schwab Investment Management Inc.116,140$918K0.0%-2.1%0.278%
5/8/2025Jefferies Financial Group Inc.44,067$348K0.0%N/A0.105%
5/1/2025New York State Common Retirement Fund6,200$49K0.0%N/A0.015%
4/30/2025Alps Advisors Inc.28,132$222K0.0%-16.7%0.067%
4/8/2025Rhumbline Advisers11,514$91K0.0%-70.4%0.028%
3/24/2025Wellington Management Group LLP1,135,289$9.17M0.0%-24.4%2.716%


ZBIO Institutional Ownership - Frequently Asked Questions

During the previous two years, 70 institutional investors and hedge funds held shares of Zenas BioPharma. The most heavily invested institutionals were SR One Capital Management LP ($182.92M), NEA Management Company LLC ($127.93M), Federated Hermes Inc. ($98.60M), Vanguard Group Inc. ($52.76M), Polar Capital Holdings Plc ($38.40M), Vivo Capital LLC ($30.99M), and EcoR1 Capital LLC ($28.67M).Learn more on Zenas BioPharma's institutional investors.

Of the 59 institutional investors that purchased Zenas BioPharma's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Federated Hermes Inc. ($1.56M), Polar Capital Holdings Plc ($1.06M), EcoR1 Capital LLC ($789.50K), NEA Management Company LLC ($789.50K), Vanguard Group Inc. ($460.85K), NEXTBio Capital Management LP ($321.98K), and Jennison Associates LLC ($250K).

Institutional investors have bought a total of 7,298,705 shares in the last 24 months. This purchase volume represents approximately $227.57M in transactions.

Of the 16 institutional investors that sold Zenas BioPharma's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: ArrowMark Colorado Holdings LLC ($343.18K), Vivo Capital LLC ($329.77K), Wellington Management Group LLP ($283.06K), Pivotal bioVenture Partners Investment Advisor LLC ($187.05K), Schroder Investment Management Group ($113.40K), Rock Springs Capital Management LP ($78.60K), and Eversept Partners LP ($37.73K).

Institutional investors have sold a total of 1,488,280 shares in the last 24 months. This volume of shares sold represents approximately $39.69M in transactions.


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This page (NASDAQ:ZBIO) was last updated on 5/9/2026 by MarketBeat.com Staff.
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