Security key
98937L105
Zenas BioPharma, Inc. - Common Stock, $0.0001 par value per share (ZBIO)
CUSIP: 98937L105
Q3 2025 13F Holders as of 30 Sep 2025
- Type / Class
- Equity / Common Stock, $0.0001 par value per share
- Shares outstanding
- 63,278,585
- Total 13F shares
- 34,774,383
- Share change
- +717,476
- Total reported value
- $771,813,059
- Price per share
- $22.20
- Number of holders
- 78
- Value change
- +$23,276,708
- Number of buys
- 35
- Number of sells
- 28
Report period
Q3 2025
Institutions
78
Top holders
10
ZBIO full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2025
Previous quarter: Q2 2025
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 shareholders 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.
Lead holder
Novo Holdings A/S
13D/G signal
Novo Holdings A/S
Evidence rows
50
Latest as of
30 Sep 2025
13D/G
13F
3/4/5
Lead comparable stake: 4.7%
13D/G row: Novo Holdings A/S
Showing first 8 of 50 holder rows.
Open remaining rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Novo Holdings A/S |
13D/G
13F
Company
|
4.7%
|
$44,400,000
2,000,000 shares
|
-$4,772,267 | 30 Sep 2025 |
| SR ONE CAPITAL MANAGEMENT, LP |
13F
Company
|
7.8%
|
$47,592,813
4,911,539 shares
|
— | 30 Jun 2025 |
| Enavate Sciences GP, LLC |
3/4/5
13F
10%+ Owner · Company
|
5.9%
from 13F
|
$63,943,103
3,761,359 shares
|
— | 16 Sep 2024 |
| FMR LLC |
13F
Company
|
5.3%
|
$32,205,045
3,323,534 shares
|
— | 30 Jun 2025 |
| NEA Management Company, LLC |
13F
Company
|
4.3%
|
$26,489,737
2,733,719 shares
|
— | 30 Jun 2025 |
| Fairmount Funds Management LLC |
13F
Company
|
3%
|
$18,341,290
1,892,806 shares
|
— | 30 Jun 2025 |
| FEDERATED HERMES, INC. |
13F
Company
|
2.9%
|
$18,041,210
1,861,838 shares
|
— | 30 Jun 2025 |
| NVP Associates, LLC |
13F
Company
|
2.9%
|
$17,814,891
1,838,482 shares
|
— | 30 Jun 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 Q3 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
78
Shares
34,774,383
Rows loaded
79
| Investor | Option | Weight % | Change % | Reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* 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. An asterisk next to the price means the price is likely invalid.
Compare Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
72
Q3 2025 holders
78
Holder diff
6
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 value | Q3 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend