Security key
71722W107
Phathom Pharmaceuticals, Inc. - Common Stock (PHAT)
CUSIP: 71722W107
Q4 2025 13F Holders as of 31 Dec 2025
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 61,960,214
- Total 13F value
- $1,025,500,826
- Share change
- -469,204
- Put/Call ratio
- 5.4%
- SEC-reported price per share
- $16.59
- Number of holders
- 173
- Value change
- -$3,898,620
- Number of buys
- 95
- Number of sells
- 60
- Shares outstanding
- 79,611,764
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
173
Top holders
10
PHAT full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
Phathom Pharmaceuticals, Inc. SEC filings
Phathom Pharmaceuticals, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 71722W107
Recent filing periods:
Ownership snapshot
Top reported holders of PHAT - Phathom Pharmaceuticals, Inc. - Common Stock (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
Frazier Life Sciences Pub...
Disclosed value leader
Frazier Life Sciences Man...
Comparable rows
15/15
Latest evidence
01 Nov 2025
13D/G
13F
3/4/5
Lead comparable stake: 8.6%
13D/G row: Frazier Life Sciences Public Fund, L.P.
Showing 1-6 of 15 holder rows.
Quick read
Frazier Life Sciences Public Fund, L.P. leads the comparable SEC ownership view at 8.6%.
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 Frazier Life Sciences Public Fund, L.P.'s linked filing trail.
Comparable ownership
Top 5
Frazier Life Sciences Public Fund...
8.6%
Carlyle Group Inc.
4.9%
PRUDENTIAL FINANCIAL INC
0%
Frazier Life Sciences Management,...
16%
Medicxi Ventures Management (Jers...
9.4%
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 |
|---|---|---|---|---|---|
| Frazier Life Sciences Public Fund, L.P. |
13D/G
James N. Topper
|
8.6%
|
$70,447,299
5,985,327 shares
|
$0 | 01 Nov 2025 |
| Carlyle Group Inc. |
13F
13D/G
Company
|
4.9%
from 13D/G
|
$41,052,526
3,496,808 shares
|
— | 30 Sep 2025 |
| PRUDENTIAL FINANCIAL INC |
13D/G
|
0%
|
$8,705
2,630 shares
|
-$24,547,397 | 31 May 2025 |
| Frazier Life Sciences Management, L.P. |
13F
Company
|
16%
|
$146,730,576
12,466,489 shares
|
— | 30 Sep 2025 |
| Medicxi Ventures Management (Jersey) Ltd |
13F
3/4/5
Company · 10%+ Owner
|
9.4%
|
$87,858,012
7,464,572 shares
|
— | 30 Sep 2025 |
| MILLENNIUM MANAGEMENT LLC |
13F
Company
|
6.4%
|
$59,808,678
5,081,451 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
173
Shares
61,960,214
Rows available
173
| 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
132
Q4 2025 holders
173
Holder diff
41
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend