Who Owns Zenas BioPharma, Inc. (ZBIO)?Hedge Fund & Institutional Holders

$24.03-0.47 (-1.92%)HealthcareNASDAQ

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$2.3100018292414235e+218T

% of Float Held

6.503341676053471e+288%

QoQ Change in Holders

+15 / -4

Price History

$6.43$15.62$24.80$33.98$43.17Sep 24Jun 25Mar 26

ZBIO — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
FEDERATED HERMES, INC.New Position+2.7M+$98.0M
Polar Capital Holdings PlcNew Position+1.1M+$38.0M
EcoR1 Capital, LLCNew Position+790K+$28.7M
NEXTBio Capital Management LPNew Position+322K+$11.7M
Point72 Asset Management, L.P.New Position+368K+$9.0M
BALYASNY ASSET MANAGEMENT L.P.New Position+193K+$7.0M
Skandinaviska Enskilda Banken AB (publ)New Position+164K+$5.0M
VOLORIDGE INVESTMENT MANAGEMENT, LLCNew Position+133K+$4.0M
GOLDMAN SACHS GROUP INCNew Position+131K+$4.0M
ALPS ADVISORS INCNew Position+44K+$1.0M
Bank of New York Mellon CorpNew Position+52K+$1.0M
Swiss National BankNew Position+32K+$1.0M
China Universal Asset Management Co., Ltd.New Position+13K+$483K
Schonfeld Strategic Advisors LLCNew Position+9K+$331K
VARCOV Co.New Position+7K+$266K

ZBIO — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
Novo Holdings A/SDecreased-550K-$44.3B
DEERFIELD MANAGEMENT COMPANY, L.P.Closed Position-1.6M-$34.7B
Vivo Capital, LLCDecreased-330K-$26.2B
WELLINGTON MANAGEMENT GROUP LLPDecreased-2K-$19.0B
ArrowMark Colorado Holdings LLCDecreased-74K-$18.3B
Pivotal bioVenture Partners Investment Advisor LLCDecreased-187K-$17.3B
Rock Springs Capital Management LPDecreased-79K-$12.9B
Eversept Partners, LPDecreased-38K-$3.5B
SECTORAL ASSET MANAGEMENT INCClosed Position-152K-$3.4B
SCHRODER INVESTMENT MANAGEMENT GROUPDecreased-62K-$2.3B
SUPERSTRING CAPITAL MANAGEMENT LPDecreased-13K-$2.1B
MILLENNIUM MANAGEMENT LLCDecreased-23K-$1.6B
STEMPOINT CAPITAL LPClosed Position-39K-$860.1M
TWO SIGMA INVESTMENTS, LPDecreased-5K-$452.5M
Birchview Capital, LPClosed Position-17K-$366.3M

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1FMR LLC6,387,503$231.0M0.01%Share
2SR ONE CAPITAL MANAGEMENT, LP5,037,854$182.9M25.90%Share
3Enavate Sciences GP, LLC3,919,159$142.3M28.08%Share
4NEA Management Company, LLC3,523,219$127.9M6.52%Share
5FEDERATED HERMES, INC.2,715,578$98.0M0.16%Share
6Fairmount Funds Management LLC2,209,025$80.2M6.11%Share
7NVP Associates, LLC1,838,482$66.8M26.16%Share
8Novo Holdings A/S1,450,000$52.6M4.09%Share
9VANGUARD GROUP INC1,252,332$45.5M0.00%Share
10Polar Capital Holdings Plc1,057,609$38.0M0.15%Share
11BlackRock, Inc.889,976$32.0M0.00%Share
12Vivo Capital, LLC853,495$31.0M2.00%Share
13WELLINGTON MANAGEMENT GROUP LLP816,943$29.0M0.01%Share
14EcoR1 Capital, LLC789,500$28.7M1.30%Share
15FMR LLC797,002$28.0M0.00%Share
16ArrowMark Colorado Holdings LLC751,161$27.3M0.60%Share
17BlackRock, Inc.688,104$24.0M0.00%Share
18Pivotal bioVenture Partners Investment Advisor LLC591,991$21.5M8.31%Share
19Rock Springs Capital Management LP502,077$18.2M0.93%Share
20GEODE CAPITAL MANAGEMENT, LLC505,632$18.0M0.00%Share
21FMR LLC519,750$18.0M0.00%Share
22STATE STREET CORP438,294$15.0M0.00%Share
23PRICE T ROWE ASSOCIATES INC /MD/345,022$12.0M0.00%Share
24NEXTBio Capital Management LP321,983$11.7M6.86%Share
25Point72 Asset Management, L.P.368,400$9.0M0.01%Share
26BALYASNY ASSET MANAGEMENT L.P.193,153$7.0M0.01%Share
27CHARLES SCHWAB INVESTMENT MANAGEMENT INC213,193$7.0M0.00%Share
28Invesco Ltd.177,690$6.5M0.00%Share
29VANGUARD GROUP INC171,144$6.2M0.00%Share
30Skandinaviska Enskilda Banken AB (publ)163,860$5.0M0.02%Share
31NORTHERN TRUST CORP151,824$5.0M0.00%Share
32Eversept Partners, LP121,016$4.4M0.22%Share
33GOLDMAN SACHS GROUP INC119,882$4.0M0.00%Share
34VOLORIDGE INVESTMENT MANAGEMENT, LLC133,439$4.0M0.01%Share
35Caption Management, LLC85,700$3.1M0.02%Call
36SUPERSTRING CAPITAL MANAGEMENT LP83,353$3.0M1.62%Share
37GEODE CAPITAL MANAGEMENT, LLC82,761$3.0M0.00%Share
38UBS Group AG69,464$2.5M0.00%Share
39BlackRock, Inc.60,973$2.0M0.00%Share
40AQR CAPITAL MANAGEMENT LLC77,641$2.0M0.00%Share
41Ikarian Capital, LLC46,800$1.7M0.13%Put
42Ikarian Capital, LLC46,800$1.7M0.13%Call
43Squadron Capital Management LLC36,000$1.3M0.55%Call
44MILLENNIUM MANAGEMENT LLC49,160$1.0M0.00%Share
45BARCLAYS PLC34,377$1.0M0.00%Share
46BlackRock, Inc.29,544$1.0M0.00%Share
47BlackRock, Inc.47,800$1.0M0.00%Share
48ALPS ADVISORS INC44,077$1.0M0.01%Share
49JANE STREET GROUP, LLC35,800$1.0M0.00%Put
50Nuveen, LLC50,240$1.0M0.00%Share

ZBIO Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 2025117$1.5B+52
Q3 202565$720.6B+3
Q2 202562$283.7B-4
Q1 202566$252.0B+3
Q4 202463$254.4B+26
Q3 202437$252.7T—

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As of Q4 2025, 50 institutional investors hold ZBIO (Zenas BioPharma, Inc.). The largest holder is FMR LLC with $231.0M in shares. This quarter, 15 institutions opened new positions and 4 closed their positions.

Frequently Asked Questions

How many hedge funds own ZBIO?

As of Q4 2025, 50 institutional investors report holding ZBIO (Zenas BioPharma, Inc.) in their 13F filings.

Who is the largest institutional holder of ZBIO?

The largest institutional holder of ZBIO is FMR LLC with $231.0M in shares.

Is institutional ownership of ZBIO increasing or decreasing?

This quarter, 15 institutions opened new positions in ZBIO and 4 closed their positions.