How many institutions held ZBIO - Zenas BioPharma, Inc. - Common Stock, $0.0001 par value per share in Q1 2026?

137 institutional investors reported ZBIO - Zenas BioPharma, Inc. - Common Stock, $0.0001 par value per share for Q1 2026. Use the holders table for investor-level position and value details.

Zenas BioPharma, Inc. - Common Stock, $0.0001 par value per share (ZBIO)

Q: What does CUSIP 98937L105 represent in this 13F holders report?

CUSIP 98937L105 is the security identifier for ZBIO - Zenas BioPharma, Inc. - Common Stock, $0.0001 par value per share used to aggregate holder disclosures.

CUSIP: 98937L105

Q1 2026 13F Holders as of 31 Mar 2026

Security type / class: Equity / Common Stock, $0.0001 par value per share
Total 13F shares: 54,499,375
Total 13F value: $1,065,366,720
Share change: +12,530,847
Put/Call ratio: 77%
SEC-reported price per share: $19.55
Number of holders: 137
Value change: +$196,744,530
Number of buys: 98
Number of sells: 44
Shares outstanding: 63,278,585

Security key

98937L105

Report period

Q1 2026

Institutions

137

Top holders

ZBIO full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2026 Zenas BioPharma, Inc. SEC filings Zenas BioPharma, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 98937L105

Newer quarter: Q2 2026

Recent filing periods:

Q2 2026

Ownership snapshot

Top reported holders of ZBIO - Zenas BioPharma, Inc. - Common Stock, $0.0001 par value per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

FMR LLC

Disclosed value leader

FMR LLC

Comparable rows

15/15

Latest evidence

31 Mar 2026

13F 13D/G 3/4/5 Lead comparable stake: 14% 13D/G row: FMR LLC Showing 1-6 of 15 holder rows.

Quick read

FMR LLC leads the comparable SEC ownership view at 14%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens FMR LLC's linked filing trail.

Comparable ownership Top 5

FMR LLC 14%

SR ONE CAPITAL MANAGEMENT, LLC 9.4%

InnoCare Pharma Inc. 9.4%

Enavate Sciences GP, LLC 7.3%

Longitude Capital Partners IV, LLC 4.9%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
FMR LLC	13F 13D/G Company 13F 13D/G	14% from 13D/G	$279,741,500 7,704,255 shares	—	31 Dec 2025
SR ONE CAPITAL MANAGEMENT, LLC	13D/G 3/4/5 10%+ Owner 13D/G 3/4/5	9.4%	$111,851,442 5,037,854 shares	$0	09 Oct 2025
InnoCare Pharma Inc.	3/4/5 13D/G 10%+ Owner 3/4/5 13D/G	9.4% from 13D/G	$111,026,500 5,000,000 shares	—	07 Oct 2025
Enavate Sciences GP, LLC	13F 13D/G 3/4/5 Company · 10%+ Owner 13F 13D/G 3/4/5	7.3% from 13D/G	$142,304,663 3,919,159 shares	—	31 Dec 2025
Longitude Capital Partners IV, LLC	13D/G Patrick G. Enright 13D/G	4.9%	$58,425,578 2,631,522 shares	$0	09 Oct 2025
Novo Holdings A/S	13F 13D/G Company 13F 13D/G	4.7% from 13D/G	$52,649,500 1,450,000 shares	—	31 Dec 2025

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

137

54,499,375

Rows available

137

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2026 vs Q1 2026 Across Filers

Q1 2026 holders

137

Q1 2026 holders

137

Holder diff

Investor	Q1 2026 Shares	Q1 2026 Shares	Share Diff	Share Chg %	Q1 2026 value	Q1 2026 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend