Who Owns ZBIO?

Zenas BioPharma, Inc. — Institutional Ownership & 13F Holdings

$18.53

+0.37 (+2.03%)

Market Cap

$825.4M

Shares Outstanding

44,642,857

Institutional Holders

66

Total Inst. Value

$580.0M

% of Float Held

760.3%

QoQ Holder Change

Institutional data as of Q1 2025

Top 10 Institutional Holders(Q1 2025)

#FundValueShares
1DEERFIELD MANAGEMENT COMPANY, L.P.$345.7M43,762,376
2SR ONE CAPITAL MANAGEMENT, LP$38.8M4,911,539
3Enavate Sciences GP, LLC$29.7M3,761,359
4FMR LLC$22.5M2,852,371
5NEA Management Company, LLC$20.7M2,613,948
6Novo Holdings A/S$17.5M2,214,967
7Fairmount Funds Management LLC$15.0M1,892,806
8NVP Associates, LLC$14.5M1,838,482
9Vivo Capital, LLC$9.3M1,183,260
10FEDERATED HERMES, INC.$9.1M1,158,000

Biggest Buyers & Sellers This Quarter

Top Buyers

FundShares AddedValue
DEERFIELD MANAGEMENT COMPANY, L.P.+42.2M$345.7M
FMR LLC+1.1M$22.5M
Novo Holdings A/S+615K$17.5M
BlackRock, Inc.+8K$8.0M
PRICE T ROWE ASSOCIATES INC /MD/+6K$4.1M

Top Sellers

FundShares RemovedValue
MORGAN STANLEY-280K$613K
WELLINGTON MANAGEMENT GROUP LLP-262K$6.9M
UBS Group AG-111K$164K
RHUMBLINE ADVISERS-27K$91K
GSA CAPITAL PARTNERS LLP-24K$251K

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Frequently Asked Questions

How many institutional investors hold ZBIO?

As of Q1 2025, 66 institutional investors report holding ZBIO (Zenas BioPharma, Inc.) in their 13F filings.

What percentage of Zenas BioPharma, Inc. is owned by institutions?

Institutional investors hold approximately 760.3% of Zenas BioPharma, Inc.'s float as reported in SEC 13F filings.

Which hedge fund owns the most ZBIO?

The largest institutional holder of ZBIO is DEERFIELD MANAGEMENT COMPANY, L.P. with $345.7M in shares.

Are institutions buying or selling ZBIO?

This quarter, 14 institutions opened new positions in ZBIO and 11 closed their positions.

What is 13F institutional ownership?

SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.

How often is institutional ownership data updated?

13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.