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 2025?

173 institutional investors reported PHAT - Phathom Pharmaceuticals, Inc. - Common Stock, $0.0001 par value per share for Q4 2025. Use the holders table for investor-level position and value details.

CUSIP: 71722W107

Q4 2025 13F Holders as of 31 Dec 2025

Security type / class: Equity / Common Stock, $0.0001 par value per share
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: 81,261,176

Security key

71722W107

Report period

Q4 2025

Institutions

173

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

Carlyle Group Inc.

Disclosed value leader

Frazier Life Sciences Man...

Comparable rows

1/15

Latest evidence

30 Sep 2025

13F 13D/G 3/4/5 Lead comparable stake: 4.9% 14 rows are not safely comparable across share classes. 13D/G row: Carlyle Group Inc. Showing 1-6 of 15 holder rows.

Quick read

Carlyle Group Inc. leads the comparable SEC ownership view at 4.9%.

1 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 Carlyle Group Inc.'s linked filing trail.

Comparable ownership Top 1

Carlyle Group Inc. 4.9%

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
Carlyle Group Inc.	13F 13D/G Company 13F 13D/G	4.9% Reported 13D/G · 28 Aug 2025	$41,052,526 3,496,808 shares	—	30 Sep 2025
Medicxi Ventures Management (Jersey) Ltd	13F 3/4/5 Company · 10%+ Owner 13F 3/4/5	— denominator unverified	$87,858,012 7,464,572 shares	—	30 Sep 2025
TAKEDA PHARMACEUTICAL CO LTD	3/4/5 10%+ Owner 3/4/5	— denominator unverified	$30,420,222 3,755,583 shares	—	24 Jan 2024
Frazier Life Sciences Management, L.P.	13F Company 13F	— denominator unverified	$146,730,576 12,466,489 shares	—	30 Sep 2025
MILLENNIUM MANAGEMENT LLC	13F Company 13F	— denominator unverified	$59,808,678 5,081,451 shares	—	30 Sep 2025
Invesco Ltd.	13F Company 13F	— denominator unverified	$45,490,710 3,864,971 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

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

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