How many institutional investors hold PHAT?

3 tracked institutional investors disclosed a position in PHAT (PHATHOM PHARMACEUTICALS INC) in their most recent 13F filing.

Who is the largest institutional holder of PHAT?

Izzy Englander, Millennium Management, holds the largest disclosed position in PHAT, valued at $45M.

Did institutional ownership of PHAT increase or decrease?

Across recent 13F filings, tracked investors recorded 0 new positions, 0 increased, 0 reduced, and 0 fully exited PHAT.

Where does this PHAT ownership data come from?

SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.

PHAT — PHATHOM PHARMACEUTICALS INC

Name: PHATHOM PHARMACEUTICALS INC (PHAT) — Institutional Ownership
Creator: InvestorLens
License: https://www.sec.gov/about/website-policies

Public company

For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

About PHATHOM PHARMACEUTICALS INC (PHAT)

PHATHOM PHARMACEUTICALS INC (PHAT) appears in the most recent 13F filings of 3 tracked institutional investors. The largest disclosed position is held by Izzy Englander (Millennium Management), valued at $45M. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in PHAT

/100

Mixed Activity

Added / Increased0

Reduced0

Exited0

No recent activity recorded.

Crowded Trade Score™

How many top investors track PHAT

/100

Emerging Interest

3investors

A small number of top investors own this.

UndiscoveredCrowded

151015+

PHAT Ownership Composition

How PHATHOM PHARMACEUTICALS INC is held across tracked investor types, based on reported 13F positions.

Dominant Type

Other

100% of tracked value

Institutions

tracked investors

Total Reported

$55.3M

combined 13F value

Other100.0%

Other(3)

100.0%

Tracked investors reporting PHAT

Investor	Firm	Shares	Market value	% of portfolio	As of
Izzy Englander	Millennium Management	4M	$44.7M	0.02%	Mar 31, 2026
Ken Griffin	Citadel Advisors	918.2K	$10.2M	0.00%	Mar 31, 2026
Paul Tudor Jones	Tudor Investment Corp	38.2K	$424.7K	0.00%	Mar 31, 2026

Izzy EnglanderMar 31, 2026
Millennium Management
Shares
4M
Value
$44.7M
% Portfolio
0.02%
Ken GriffinMar 31, 2026
Citadel Advisors
Shares
918.2K
Value
$10.2M
% Portfolio
0.00%
Paul Tudor JonesMar 31, 2026
Tudor Investment Corp
Shares
38.2K
Value
$424.7K
% Portfolio
0.00%

Recent activity

Investor	Action	Δ %	Current value	Filing date
No recent activity.

No recent activity.

Frequently asked questions

How many institutional investors hold PHAT?: 3 tracked institutional investors disclosed a position in PHAT (PHATHOM PHARMACEUTICALS INC) in their most recent 13F filing.
Who is the largest institutional holder of PHAT?: Izzy Englander, Millennium Management, holds the largest disclosed position in PHAT, valued at $45M.
Did institutional ownership of PHAT increase or decrease?: Across recent 13F filings, tracked investors recorded 0 new positions, 0 increased, 0 reduced, and 0 fully exited PHAT.
Where does this PHAT ownership data come from?: SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.