Zenas BioPharma (ZBIO) Institutional Ownership

$19.80 +2.04 (+11.49%)

Closing price 06/12/2026 04:00 PM Eastern

Extended Trading

$19.82 +0.02 (+0.10%)

As of 06/12/2026 07:26 PM Eastern

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Number of Institutional Buyers (last 12 months): 60
Total Institutional Inflows (last 12 months): $238.67M

Number of Institutional Sellers (last 12 months): 15
Total Institutional Outflows (last 12 months): $37.26M

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ZBIO Institutional Buying and Selling by Quarter

Zenas BioPharma Major Shareholders & Ownership History

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Reporting Date	Major Shareholder Name	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
5/19/2026	Bank of America Corp DE	388,347	$7.59M	0.0%	+723.5%	0.615%
5/18/2026	Exome Asset Management LLC	80,730	$1.58M	0.8%	N/A	0.128%
5/16/2026	Quantinno Capital Management LP	21,126	$413K	0.0%	N/A	0.033%
5/14/2026	Sei Investments Co.	12,386	$242K	0.0%	N/A	0.022%
5/14/2026	Walleye Capital LLC	125,232	$2.45M	0.0%	N/A	0.218%
5/8/2026	PNC Financial Services Group Inc.	4,767	$93K	0.0%	-18.1%	0.008%
5/7/2026	SEB Asset Management AB	163,860	$3.20M	0.0%	N/A	0.286%
5/6/2026	Jennison Associates LLC	250,000	$4.89M	0.0%	N/A	0.436%
5/5/2026	Bank of New York Mellon Corp	60,864	$1.19M	0.0%	+17.5%	0.106%
4/24/2026	iA Global Asset Management Inc.	215,830	$4.22M	0.1%	N/A	0.376%
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2/19/2026	Invesco Ltd.	187,968	$6.83M	0.0%	+28.9%	0.350%
2/18/2026	XTX Topco Ltd	12,183	$442K	0.0%	N/A	0.023%
2/18/2026	VARCOV Co.	7,335	$266K	0.1%	N/A	0.014%
2/18/2026	Voloridge Investment Management LLC	133,439	$4.85M	0.0%	N/A	0.249%
2/18/2026	Virtus Investment Advisers LLC	6,554	$238K	0.1%	N/A	0.012%
2/18/2026	Superstring Capital Management LP	83,353	$3.03M	1.6%	-13.8%	0.155%
2/18/2026	Millennium Management LLC	49,160	$1.79M	0.0%	-31.6%	0.092%
2/18/2026	Janus Henderson Group PLC	7,900	$287K	0.0%	N/A	0.015%
2/18/2026	EcoR1 Capital LLC	789,500	$28.67M	1.3%	N/A	1.471%
2/18/2026	Eversept Partners LP	121,016	$4.39M	0.2%	-23.8%	0.225%
2/18/2026	Balyasny Asset Management L.P.	193,153	$7.01M	0.0%	N/A	0.360%
2/17/2026	Schonfeld Strategic Advisors LLC	9,127	$331K	0.0%	N/A	0.017%
2/17/2026	AQR Capital Management LLC	78,220	$2.84M	0.0%	+218.2%	0.146%
2/17/2026	NEA Management Company LLC	3,523,219	$127.93M	6.5%	+28.9%	6.563%
2/17/2026	ArrowMark Colorado Holdings LLC	751,161	$27.28M	0.6%	-8.9%	1.399%
2/17/2026	Price T Rowe Associates Inc. MD	369,248	$13.41M	0.0%	-1.3%	0.688%
2/17/2026	Rock Springs Capital Management LP	502,077	$18.23M	0.9%	-13.5%	0.935%
2/17/2026	California State Teachers Retirement System	15,701	$570K	0.0%	+1,271.3%	0.029%
2/17/2026	State of Wisconsin Investment Board	10,221	$371K	0.0%	N/A	0.019%
2/17/2026	Polar Capital Holdings Plc	1,057,609	$38.40M	0.1%	N/A	1.970%
2/16/2026	Squarepoint Ops LLC	15,541	$564K	0.0%	N/A	0.029%
2/16/2026	Mariner LLC	7,676	$279K	0.0%	N/A	0.014%
2/16/2026	NEXTBio Capital Management LP	321,983	$11.69M	6.9%	N/A	0.600%
2/16/2026	Barclays PLC	34,377	$1.25M	0.0%	+50.3%	0.064%
2/13/2026	Marshall Wace LLP	7,100	$258K	0.0%	N/A	0.013%
2/13/2026	The Manufacturers Life Insurance Company	6,256	$227K	0.0%	N/A	0.012%
2/13/2026	Pivotal bioVenture Partners Investment Advisor LLC	591,991	$21.50M	8.3%	-24.0%	1.103%
2/13/2026	Vivo Capital LLC	853,495	$30.99M	2.0%	-27.9%	1.590%
2/13/2026	Schroder Investment Management Group	50,636	$1.85M	0.0%	-55.0%	0.094%
2/13/2026	Charles Schwab Investment Management Inc.	213,193	$7.74M	0.0%	+19.5%	0.397%
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2/13/2026	State Street Corp	438,294	$15.91M	0.0%	+16.1%	0.816%
2/13/2026	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	8,400	$305K	0.0%	N/A	0.016%
2/13/2026	Wells Fargo & Company MN	21,151	$768K	0.0%	+69.8%	0.039%
2/12/2026	SR One Capital Management LP	5,037,854	$182.92M	25.9%	+2.6%	9.385%
2/12/2026	Federated Hermes Inc.	2,715,578	$98.60M	0.2%	+45.9%	5.059%
2/12/2026	Skandinaviska Enskilda Banken AB publ	163,860	$5.95M	0.0%	N/A	0.305%
2/12/2026	Alps Advisors Inc.	44,077	$1.60M	0.0%	+119.9%	0.082%
2/12/2026	Swiss National Bank	31,600	$1.15M	0.0%	N/A	0.059%
2/12/2026	Nuveen LLC	50,850	$1.85M	0.0%	+147.8%	0.095%
2/11/2026	Deutsche Bank AG	12,781	$464K	0.0%	+4.5%	0.024%
2/11/2026	Los Angeles Capital Management LLC	14,447	$525K	0.0%	N/A	0.027%
2/10/2026	Goldman Sachs Group Inc.	130,698	$4.75M	0.0%	N/A	0.243%
2/10/2026	Intech Investment Management LLC	8,863	$322K	0.0%	N/A	0.017%
2/9/2026	Geode Capital Management LLC	588,393	$21.37M	0.0%	+25.2%	1.096%
2/6/2026	ProShare Advisors LLC	5,820	$211K	0.0%	N/A	0.011%
1/29/2026	UBS Group AG	69,495	$2.52M	0.0%	+95.8%	0.129%
1/29/2026	Vanguard Group Inc.	1,453,065	$52.76M	0.0%	+25.0%	2.707%
1/29/2026	China Universal Asset Management Co. Ltd.	13,314	$483K	0.0%	N/A	0.025%
1/27/2026	GF Fund Management CO. LTD.	1,054	$38K	0.0%	N/A	0.002%
1/26/2026	Mirae Asset Global Investments Co. Ltd.	2,608	$95K	0.0%	N/A	0.005%
1/26/2026	CWM LLC	2,178	$79K	0.0%	+48.3%	0.004%
1/1/2026	JPMorgan Chase & Co.	6,548	$145K	0.0%	-14.7%	0.012%
11/17/2025	Quarry LP	1,134	$25K	0.0%	+34.5%	0.002%
11/17/2025	Millennium Management LLC	71,850	$1.60M	0.0%	N/A	0.134%
11/17/2025	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	7,461	$166K	0.0%	-16.0%	0.014%
11/17/2025	Bank of America Corp DE	14,809	$329K	0.0%	+5.8%	0.028%
11/17/2025	ArrowMark Colorado Holdings LLC	824,668	$18.31M	0.3%	-24.6%	1.536%
11/17/2025	Alliancebernstein L.P.	18,350	$407K	0.0%	+12.2%	0.034%
11/14/2025	Creative Planning	11,882	$264K	0.0%	N/A	0.022%
11/14/2025	Two Sigma Investments LP	20,382	$452K	0.0%	+3.9%	0.048%
11/14/2025	Wellington Management Group LLP	857,524	$19.04M	0.0%	-2.4%	2.036%
11/13/2025	Invesco Ltd.	145,796	$3.24M	0.0%	N/A	0.346%
11/13/2025	UBS Group AG	35,492	$788K	0.0%	+46.3%	0.084%
11/13/2025	BNP Paribas Financial Markets	3,146	$70K	0.0%	+120.0%	0.007%
11/13/2025	Russell Investments Group Ltd.	1,345	$30K	0.0%	N/A	0.003%
11/13/2025	Schroder Investment Management Group	112,612	$2.32M	0.0%	-27.3%	0.267%
11/7/2025	Vanguard Group Inc.	1,162,758	$25.81M	0.0%	+17.2%	2.761%
11/7/2025	JPMorgan Chase & Co.	6,548	$145K	0.0%	-14.7%	0.016%
11/7/2025	PNC Financial Services Group Inc.	5,843	$130K	0.0%	-36.3%	0.014%
11/6/2025	Rhumbline Advisers	21,214	$471K	0.0%	+7.6%	0.050%
11/5/2025	Alps Advisors Inc.	20,042	$445K	0.0%	-11.1%	0.048%
8/15/2025	Bank of America Corp DE	13,991	$136K	0.0%	+32.3%	0.033%
8/14/2025	Sei Investments Co.	12,142	$118K	0.0%	N/A	0.029%
8/14/2025	Federated Hermes Inc.	1,861,838	$18.04M	0.0%	+60.8%	4.451%
8/13/2025	Schroder Investment Management Group	154,916	$1.48M	0.0%	-5.6%	0.370%
8/12/2025	Rhumbline Advisers	19,721	$191K	0.0%	+71.3%	0.047%
8/8/2025	Intech Investment Management LLC	13,206	$128K	0.0%	+13.9%	0.032%
8/8/2025	Geode Capital Management LLC	373,617	$3.62M	0.0%	+4.6%	0.893%
8/8/2025	PNC Financial Services Group Inc.	9,179	$89K	0.0%	+41.2%	0.022%
6/27/2025	Goldman Sachs Group Inc.	23,957	$189K	0.0%	-43.2%	0.057%
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5/29/2025	Rhumbline Advisers	11,514	$91K	0.0%	-70.4%	0.028%
5/16/2025	Goldman Sachs Group Inc.	23,957	$189K	0.0%	-43.2%	0.057%
5/14/2025	Wellington Management Group LLP	873,623	$6.90M	0.0%	-23.0%	2.088%
5/12/2025	Nuveen LLC	31,626	$250K	0.0%	N/A	0.076%
5/9/2025	Charles Schwab Investment Management Inc.	116,140	$918K	0.0%	-2.1%	0.278%
5/8/2025	Jefferies Financial Group Inc.	44,067	$348K	0.0%	N/A	0.105%
5/1/2025	New York State Common Retirement Fund	6,200	$49K	0.0%	N/A	0.015%
4/30/2025	Alps Advisors Inc.	28,132	$222K	0.0%	-16.7%	0.067%
4/8/2025	Rhumbline Advisers	11,514	$91K	0.0%	-70.4%	0.028%
3/24/2025	Wellington Management Group LLP	1,135,289	$9.17M	0.0%	-24.4%	2.716%

ZBIO Institutional Ownership - Frequently Asked Questions

During the previous two years, 73 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 62 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), Bank of America Corp DE ($345.42K), and NEXTBio Capital Management LP ($321.98K).

Institutional investors have bought a total of 7,847,740 shares in the last 24 months. This purchase volume represents approximately $238.67M in transactions.

Of the 15 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), Pivotal bioVenture Partners Investment Advisor LLC ($187.05K), Schroder Investment Management Group ($113.40K), Rock Springs Capital Management LP ($78.60K), Eversept Partners LP ($37.73K), and Millennium Management LLC ($22.69K).

Institutional investors have sold a total of 1,180,969 shares in the last 24 months. This volume of shares sold represents approximately $37.26M in transactions.

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This page (NASDAQ:ZBIO) was last updated on 6/13/2026 by MarketBeat.com Staff.

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Zenas BioPharma (ZBIO) Institutional Ownership

ZBIO Institutional Buying and Selling by Quarter

Zenas BioPharma Major Shareholders & Ownership History

ZBIO Institutional Ownership - Frequently Asked Questions

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Zenas BioPharma (ZBIO) Institutional Ownership

Institutional Ownership Changes (13F Filings) for Zenas BioPharma (NASDAQ:ZBIO)

ZBIO Institutional Buying and Selling by Quarter

Zenas BioPharma Major Shareholders & Ownership History

ZBIO Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of ZBIO shares?

Which institutional investors have been buying Zenas BioPharma's stock?

How much institutional buying is happening at Zenas BioPharma?

Which of Zenas BioPharma's major shareholders have been selling company stock?

How much institutional selling is happening at Zenas BioPharma?

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