RTW INVESTMENTS, LP

Position in WAY — Waystar Holding Corp.

CIK 1493215 NEW YORK, NY

Position in WAY

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$39,299,300

New position

Shares Held

1,630,000

first reported quarter

Ownership

0.850%

of shares outstanding

% of Portfolio

0.39%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2026

1 quarter on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

RTW INVESTMENTS, LP holds $128,277,450 across 4 Health Information Services names. WAY ranks #2 (30.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	HNGE	Hinge Health, Inc.	1,930,000	$74,420,800
2	WAY	Waystar Holding Corp. This page	1,630,000	$39,299,300
3	HTFL	Heartflow, Inc.	495,000	$12,043,350
4	OMDA	Omada Health, Inc.	200,000	$2,514,000

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$39,299,300	1,630,000	—	Shares	Sole	2026-05-15
No filing history on record for this holder in this stock.