Security key
98937L105
Zenas BioPharma, Inc. - Common Stock, $0.0001 par value per share (ZBIO)
CUSIP: 98937L105
Q4 2024 13F Holders as of 31 Dec 2024
- Security type / class
- Equity / Common Stock, $0.0001 par value per share
- Total 13F shares
- 31,699,756
- Total 13F value
- $259,632,936
- Share change
- +2,957,105
- SEC-reported price per share
- $8.19
- Number of holders
- 65
- Value change
- +$20,083,837
- Number of buys
- 42
- Number of sells
- 21
- Shares outstanding
- 63,278,585
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2024
Institutions
65
Top holders
10
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
Reporting periods
Holder history for CUSIP 98937L105
Recent filing periods:
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
SR ONE CAPITAL MANAGEMENT...
Disclosed value leader
SR ONE CAPITAL MANAGEMENT...
Comparable rows
15/15
Latest evidence
30 Sep 2024
13F
Lead comparable stake: 7.8%
Showing 1-6 of 15 holder rows.
Quick read
SR ONE CAPITAL MANAGEMENT, LP leads the comparable SEC ownership view at 7.8%.
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 SR ONE CAPITAL MANAGEMENT, LP's linked filing trail.
Comparable ownership
Top 5
SR ONE CAPITAL MANAGEMENT, LP
7.8%
NEA Management Company, LLC
4.1%
FMR LLC
3.2%
Fairmount Funds Management LLC
3%
NVP Associates, LLC
2.9%
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 |
|---|---|---|---|---|---|
| SR ONE CAPITAL MANAGEMENT, LP |
13F
Company
|
7.8%
|
$83,103,240
4,911,539 shares
|
— | 30 Sep 2024 |
| NEA Management Company, LLC |
13F
Company
|
4.1%
|
$44,228,000
2,613,948 shares
|
— | 30 Sep 2024 |
| FMR LLC |
13F
Company
|
3.2%
|
$33,840,000
2,000,000 shares
|
— | 30 Sep 2024 |
| Fairmount Funds Management LLC |
13F
Company
|
3%
|
$32,026,278
1,892,806 shares
|
— | 30 Sep 2024 |
| NVP Associates, LLC |
13F
Company
|
2.9%
|
$31,107,115
1,838,482 shares
|
— | 30 Sep 2024 |
| DEERFIELD MANAGEMENT COMPANY, L.P. |
13F
Company
|
2.5%
|
$26,444,979
1,562,942 shares
|
— | 30 Sep 2024 |
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 Q4 2024
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
65
Shares
31,699,756
Rows available
65
| 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 Q4 2024 vs Q3 2024 Across Filers
Q3 2024 holders
44
Q4 2024 holders
65
Holder diff
21
| Investor | Q3 2024 Shares | Q4 2024 Shares | Share Diff | Share Chg % | Q3 2024 value | Q4 2024 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend