Security key
98943L107
Zentalis Pharmaceuticals, Inc. - Common Stock, $0.001 par value per share (ZNTL)
CUSIP: 98943L107
Q4 2025 13F Holders as of 31 Dec 2025
- Security type / class
- Equity / Common Stock, $0.001 par value per share
- Total 13F shares
- 40,517,312
- Total 13F value
- $54,747,323
- Share change
- -12,802,365
- SEC-reported price per share
- $1.35
- Number of holders
- 85
- Value change
- -$20,028,376
- Number of buys
- 32
- Number of sells
- 47
- Shares outstanding
- 94,920,069
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
85
Top holders
10
ZNTL full security history
Ownership snapshot
Full 13F holder table
Zentalis Pharmaceuticals, Inc. SEC filings
Zentalis Pharmaceuticals, Inc. company facts
Broader feeds
Ownership snapshot
Top reported holders of ZNTL - Zentalis Pharmaceuticals, Inc. - Common Stock, $0.001 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
William Thurman Walters
Disclosed value leader
Matrix Capital Management...
Comparable rows
15/15
Latest evidence
18 Dec 2025
13D/G
13F
3/4/5
Lead comparable stake: 9.9%
13D/G row: William Thurman Walters
Showing 1-6 of 15 holder rows.
Quick read
William Thurman Walters leads the comparable SEC ownership view at 9.9%.
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 William Thurman Walters's linked filing trail.
Comparable ownership
Top 5
William Thurman Walters
9.9%
5AM Opportunities II (GP), LLC
6.4%
VANGUARD GROUP INC
4.6%
MILLENNIUM MANAGEMENT LLC
1.3%
FMR LLC
0.2%
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 |
|---|---|---|---|---|---|
| William Thurman Walters |
13D/G
Walters William T
|
9.9%
|
$10,081,500
7,050,000 shares
|
+$786,500 | 29 Jan 2025 |
| 5AM Opportunities II (GP), LLC |
13D/G
Andrew J. Schwab
|
6.4%
|
$7,257,856
4,838,571 shares
|
$0 | 18 Dec 2025 |
| VANGUARD GROUP INC |
13D/G
13F
The Vanguard Group · Company
|
4.6%
|
$4,677,873
3,271,240 shares
|
$0 | 31 Dec 2024 |
| MILLENNIUM MANAGEMENT LLC |
13F
13D/G
Company
|
1.3%
from 13D/G
|
$1,362,807
902,521 shares
|
— | 30 Sep 2025 |
| FMR LLC |
13F
13D/G
Company
|
0.2%
from 13D/G
|
$306,990
203,305 shares
|
— | 30 Sep 2025 |
| Matrix Capital Management Company, LP |
13F
3/4/5
Company · 10%+ Owner
|
6.8%
from 3/4/5
|
$21,079,559
13,959,973 shares
|
— | 30 Sep 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 Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
85
Shares
40,517,312
Rows available
85
| 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 2025 vs Q3 2025 Across Filers
Q3 2025 holders
96
Q4 2025 holders
85
Holder diff
-11
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|