Phathom Pharmaceuticals, Inc. - Common Stock, $0.0001 par value per share (PHAT)

Q: What does CUSIP 71722W107 represent in this 13F holders report?

CUSIP 71722W107 is the security identifier for PHAT - Phathom Pharmaceuticals, Inc. - Common Stock, $0.0001 par value per share used to aggregate holder disclosures.

Q: How many institutions held PHAT - Phathom Pharmaceuticals, Inc. - Common Stock, $0.0001 par value per share in Q4 2023?

115 institutional investors reported PHAT - Phathom Pharmaceuticals, Inc. - Common Stock, $0.0001 par value per share for Q4 2023. Use the holders table for investor-level position and value details.

CUSIP: 71722W107

Q4 2023 13F Holders as of 31 Dec 2023

Security type / class: Equity / Common Stock, $0.0001 par value per share
Total 13F shares: 54,112,686
Total 13F value: $503,299,407
Share change: +1,351,847
Put/Call ratio: 28%
SEC-reported price per share: $9.13
Number of holders: 115
Value change: +$11,390,968
Number of buys: 66
Number of sells: 38
Shares outstanding: 81,261,176

Security key

71722W107

Report period

Q4 2023

Institutions

115

Top holders

PHAT full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2026 Phathom Pharmaceuticals, Inc. SEC filings Phathom Pharmaceuticals, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 71722W107

Newer quarter: Q3 2026

Recent filing periods:

Q3 2026

Ownership snapshot

Top reported holders of PHAT - Phathom Pharmaceuticals, 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

Frazier Life Sciences Man...

Disclosed value leader

Frazier Life Sciences Man...

Comparable rows

0/15

Latest evidence

30 Sep 2023

13F Highest disclosed value: $104,833,223 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

Frazier Life Sciences Management, L.P. has the largest disclosed position value at $104.83M.

0 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 Management, L.P.'s linked filing trail.

Disclosed position value Top 5

Frazier Life Sciences Management,... $104.83M

Medicxi Ventures Management (Jers... $39M

Carlyle Group Inc. $36.19M

Invesco Ltd. $35.45M

BlackRock Finance, Inc. $25.28M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Frazier Life Sciences Management, L.P.	13F Company 13F	— denominator unverified	$104,833,223 10,109,279 shares	—	30 Sep 2023
Medicxi Ventures Management (Jersey) Ltd	13F Company 13F	— denominator unverified	$39,000,212 3,760,869 shares	—	30 Sep 2023
Carlyle Group Inc.	13F Company 13F	— denominator unverified	$36,191,963 3,496,808 shares	—	30 Sep 2023
Invesco Ltd.	13F Company 13F	— denominator unverified	$35,454,604 3,418,959 shares	—	30 Sep 2023
BlackRock Finance, Inc.	13F Company 13F	— denominator unverified	$25,279,384 2,437,742 shares	—	30 Sep 2023
VANGUARD GROUP INC	13F Company 13F	— denominator unverified	$19,938,004 1,922,662 shares	—	30 Sep 2023

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 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

115

54,112,686

Rows available

115

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 2023 vs Q3 2023 Across Filers

Q3 2023 holders

109

Q4 2023 holders

115

Holder diff

Investor	Q3 2023 Shares	Q4 2023 Shares	Share Diff	Share Chg %	Q3 2023 value	Q4 2023 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend