Security key
71722W107
Phathom Pharmaceuticals, Inc. - Common Stock, par value $0.0001 per share (PHAT)
CUSIP: 71722W107
Q4 2025 13F Holders as of 31 Dec 2025
- Type / Class
- Equity / Common Stock, par value $0.0001 per share
- Shares outstanding
- 78,837,943
- Total 13F shares
- 61,960,214
- Share change
- -469,204
- Total reported value
- $1,025,500,826
- Put/Call ratio
- 5.4%
- Price per share
- $16.59
- Number of holders
- 173
- Value change
- -$3,898,620
- Number of buys
- 95
- Number of sells
- 60
Report period
Q4 2025
Institutions
173
Top holders
10
PHAT full security history
Newer quarter: Q1 2026
Previous quarter: Q3 2025
Phathom Pharmaceuticals, Inc. SEC filings
Phathom Pharmaceuticals, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 71722W107
Recent filing periods:
Top shareholders of PHAT - Phathom Pharmaceuticals, Inc. - Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: 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.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Frazier Life Sciences Public Fund, L.P. |
13D/G
|
James N. Topper |
8.6%
|
5,985,327
|
$70,447,299 | $0 | 01 Nov 2025 | |
| Carlyle Group Inc. |
13F
13D/G
|
Company |
4.9%
from 13D/G
|
3,496,808
|
$41,052,526 | — | 30 Sep 2025 | |
| BlackRock, Inc. |
13F
13D/G
|
Company |
4.6%
from 13D/G
|
3,402,324
|
$40,045,354 | — | 30 Sep 2025 | |
| PRUDENTIAL FINANCIAL INC |
13D/G
|
— |
0%
|
2,630
|
$8,705 | -$24,547,397 | 31 May 2025 | |
| Frazier Life Sciences Management, L.P. |
13F
|
Company |
16%
|
12,466,489
|
$146,730,576 | — | 30 Sep 2025 | |
| Medicxi Ventures Management (Jersey) Ltd |
13F
3/4/5
|
Company · 10%+ Owner |
9.5%
|
7,464,572
|
$87,858,012 | — | 30 Sep 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
6.4%
|
5,081,451
|
$59,808,678 | — | 30 Sep 2025 | |
| Invesco Ltd. |
13F
|
Company |
4.9%
|
3,864,971
|
$45,490,710 | — | 30 Sep 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
4.1%
|
3,215,572
|
$37,847,282 | — | 30 Sep 2025 | |
| Ensign Peak Advisors, Inc |
13F
|
Company |
3.2%
|
2,503,344
|
$29,464,359 | — | 30 Sep 2025 | |
| NEA Management Company, LLC |
13F
|
Company |
2.5%
|
1,960,169
|
$23,071,189 | — | 30 Sep 2025 | |
| 683 Capital Management, LLC |
13F
|
Company |
2.3%
|
1,820,380
|
$21,425,873 | — | 30 Sep 2025 | |
| WASATCH ADVISORS LP |
13F
|
Company |
1.9%
|
1,537,218
|
$18,093,056 | — | 30 Sep 2025 | |
| Catalys Pacific, LLC |
13F
|
Company |
1.5%
|
1,167,114
|
$13,736,932 | — | 30 Sep 2025 | |
| GW&K Investment Management, LLC |
13F
|
Company |
1.5%
|
1,144,330
|
$13,469,000 | — | 30 Sep 2025 | |
| Catalio Capital Management, LP |
13F
|
Company |
1.4%
|
1,128,521
|
$13,282,692 | — | 30 Sep 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1.4%
|
1,088,910
|
$12,819,107 | — | 30 Sep 2025 | |
| STATE STREET CORP |
13F
|
Company |
1.3%
|
1,053,591
|
$12,400,766 | — | 30 Sep 2025 | |
| MOORE CAPITAL MANAGEMENT, LP |
13F
|
Company |
0.76%
|
600,000
|
$7,062,000 | — | 30 Sep 2025 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
0.7%
|
554,590
|
$6,527,524 | — | 30 Sep 2025 | |
| Propel Bio Management, LLC |
13F
|
Company |
0.7%
|
552,927
|
$6,507,951 | — | 30 Sep 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.65%
|
508,720
|
$5,987,634 | — | 30 Sep 2025 | |
| AIGH Capital Management LLC |
13F
|
Company |
0.54%
|
429,000
|
$5,049,330 | — | 30 Sep 2025 | |
| StepStone Group LP |
13F
|
Company |
0.54%
|
422,085
|
$4,967,940 | — | 30 Sep 2025 | |
| SummitTX Capital, L.P. |
13F
|
Company |
0.49%
|
385,968
|
$4,542,843 | — | 30 Sep 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.46%
|
365,904
|
$4,306,690 | — | 30 Sep 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.45%
|
357,578
|
$4,208,694 | — | 30 Sep 2025 | |
| UBS Group AG |
13F
|
Company |
0.43%
|
338,360
|
$3,982,497 | — | 30 Sep 2025 | |
| Simplify Asset Management Inc. |
13F
|
Company |
0.41%
|
321,935
|
$3,789,175 | — | 30 Sep 2025 | |
| Avidity Partners Management LP |
13F
|
Company |
0.39%
|
306,000
|
$3,601,620 | — | 30 Sep 2025 | |
| BALYASNY ASSET MANAGEMENT L.P. |
13F
|
Company |
0.37%
|
295,161
|
$3,474,045 | — | 30 Sep 2025 | |
| Walleye Capital LLC |
13F
|
Company |
0.37%
|
290,467
|
$3,418,797 | — | 30 Sep 2025 | |
| Susquehanna Portfolio Strategies, LLC |
13F
|
Company |
0.34%
|
267,962
|
$3,153,913 | — | 30 Sep 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.32%
|
255,573
|
$3,008,094 | — | 30 Sep 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.32%
|
249,094
|
$2,931,837 | — | 30 Sep 2025 | |
| NewEdge Advisors, LLC |
13F
|
Company |
0.26%
|
201,523
|
$2,229,526 | — | 30 Sep 2025 | |
| Woodline Partners LP |
13F
|
Company |
0.24%
|
187,291
|
$2,204,415 | — | 30 Sep 2025 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0.21%
|
162,443
|
$1,911,000 | — | 30 Sep 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.2%
|
154,277
|
$1,815,840 | — | 30 Sep 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.19%
|
152,032
|
$1,789,417 | — | 30 Sep 2025 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
0.19%
|
146,459
|
$1,723,823 | — | 30 Sep 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.17%
|
136,948
|
$1,611,877 | — | 30 Sep 2025 | |
| BARCLAYS PLC |
13F
|
Company |
0.16%
|
128,356
|
$1,510,749 | — | 30 Sep 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.16%
|
127,382
|
$1,499,291 | — | 30 Sep 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.14%
|
110,110
|
$1,295,995 | — | 30 Sep 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.14%
|
107,262
|
$1,262,474 | — | 30 Sep 2025 | |
| GILDER GAGNON HOWE & CO LLC |
13F
|
Company |
0.11%
|
88,542
|
$1,042,139 | — | 30 Sep 2025 | |
| Birchview Capital, LP |
13F
|
Company |
0.11%
|
85,000
|
$1,000,450 | — | 30 Sep 2025 | |
| Trexquant Investment LP |
13F
|
Company |
0.1%
|
78,183
|
$920,214 | — | 30 Sep 2025 | |
| Creative Planning |
13F
|
Company |
0.1%
|
78,058
|
$918,743 | — | 30 Sep 2025 |
Institutional Holders of Phathom Pharmaceuticals, Inc. - Common Stock, par value $0.0001 per share (PHAT) as of Q4 2025
As of 31 Dec 2025,
Phathom Pharmaceuticals, Inc. - Common Stock, par value $0.0001 per share (PHAT) was held by
173 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
61,960,214 shares.
The largest 10 holders included
Frazier Life Sciences Management, L.P., Medicxi Ventures Management (Jersey) Ltd, Invesco Ltd., BlackRock, Inc., Carlyle Group Inc., VANGUARD GROUP INC, Ensign Peak Advisors, Inc, MILLENNIUM MANAGEMENT LLC, NEA Management Company, LLC, and 683 Capital Management, LLC.
This page lists
173
institutional shareholders reporting positions in this security
for the Q4 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
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 Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.