Phathom Pharmaceuticals, Inc. - Common Stock, par value $0.0001 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, par value $0.0001 per share used to aggregate holder disclosures.

Q: How many institutions held PHAT - Phathom Pharmaceuticals, Inc. - Common Stock, par value $0.0001 per share in Q1 2022?

74 institutional investors reported PHAT - Phathom Pharmaceuticals, Inc. - Common Stock, par value $0.0001 per share for Q1 2022. Use the holders table for investor-level position and value details.

CUSIP: 71722W107

Q1 2022 13F Holders as of 31 Mar 2022

Security type / class: Equity / Common Stock, par value $0.0001 per share
Shares outstanding: 78,837,943
Total 13F shares: 25,654,888
Share change: -8,749,732
Total reported value: $349,117,442
Reported price per share: $13.61
Number of holders: 74
Value change: -$176,036,740
Number of buys: 37
Number of sells: 36

Security key

71722W107

Report period

Q1 2022

Institutions

Top holders

PHAT full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2022 Previous quarter: Q4 2021 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: Q2 2022 Previous quarter: Q4 2021

Recent filing periods:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Ownership snapshot

Top reported holders 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. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Lead holder

FRAZIER MANAGEMENT LLC

13D/G signal

—

Evidence rows

Latest as of

31 Dec 2021

13F Lead comparable stake: 7.4% Showing 1-6 of 15 holder rows.

Rank 1 holder

FRAZIER MANAGEMENT LLC

13F

Ownership: 7.4%
Position: $114.62M

13F

Rank 2 holder

RA CAPITAL MANAGEMENT, L.P.

13F

Ownership: 4%
Position: $61.27M

13F

Rank 3 holder

Medicxi Ventures Management (Jersey) Ltd

13F

Ownership: 2.6%
Position: $40.68M

13F

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
FRAZIER MANAGEMENT LLC	13F Company 13F	7.4%	$114,625,000 5,827,415 shares	—	31 Dec 2021
RA CAPITAL MANAGEMENT, L.P.	13F Company 13F	4%	$61,272,000 3,115,008 shares	—	31 Dec 2021
Medicxi Ventures Management (Jersey) Ltd	13F Company 13F	2.6%	$40,675,000 2,067,861 shares	—	31 Dec 2021
Invesco Ltd.	13F Company 13F	2.6%	$40,666,000 2,067,356 shares	—	31 Dec 2021
VANGUARD GROUP INC	13F Company 13F	2.4%	$37,921,000 1,927,844 shares	—	31 Dec 2021
Avidity Partners Management LP	13F Company 13F	2.4%	$37,294,000 1,896,000 shares	—	31 Dec 2021

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 Q1 2022

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

Institutions

25,654,888

Rows available

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. The marker flags a reported price that failed the local validity check.

Compare Q1 2022 vs Q4 2021 Across Filers

Q4 2021 holders

Q1 2022 holders

Holder diff

-8

Investor	Q4 2021 Shares	Q1 2022 Shares	Share Diff	Share Chg %	Q4 2021 value	Q1 2022 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend