RTW INVESTMENTS, LP

Position in MDGL — Madrigal Pharmaceuticals, Inc.

CIK 1493215 NEW YORK, NY

Position in MDGL

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

Position Value

$1,043,635,333

-$117,368,354 QoQ

Shares Held

1,993,687

0.0% QoQ

Ownership

8.65%

of shares outstanding

% of Portfolio

10.38%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2023

12 quarters 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 $8,256,157,304 across 64 Biotechnology names. MDGL ranks #1 (12.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MDGL	Madrigal Pharmaceuticals, Inc. This page	1,993,687	$1,043,635,333
2	INSM	INSMED Inc	4,842,880	$791,907,737
3	PTGX	Protagonist Therapeutics, Inc	5,059,053	$533,224,186
4	PTCT	Ptc Therapeutics, Inc.	7,746,415	$527,763,253
5	ARGX	Argenx SE	709,446	$518,072,941
6	CGON	CG Oncology, Inc.	6,984,808	$472,731,805
7	CELC	Celcuity Inc.	3,039,621	$346,942,340
8	TNGX	Tango Therapeutics, Inc.	13,300,620	$278,248,970

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,043,635,333	1,993,687	0.0%	Shares	Sole	2026-05-15
2025-12-31	$1,161,003,687	1,993,687	0.0%	Shares	Sole	2026-02-17
2025-09-30	$914,424,479	1,993,687	0.0%	Shares	Sole	2025-11-14
2025-06-30	$603,369,433	1,993,687	0.0%	Shares	Sole	2025-08-14
2025-03-31	$660,368,945	1,993,687	0.0%	Shares	Sole	2025-05-15
2024-12-31	$615,191,997	1,993,687	0.0%	Shares	Sole	2025-02-14
2024-09-30	$423,100,255	1,993,687	+4.1%	Shares	Sole	2024-11-14
2024-06-30	$536,747,897	1,915,862	+382.5%	Shares	Sole	2024-08-14
2024-03-31	$106,027,430	397,047	-51.3%	Shares	Sole	2024-05-15
2023-12-31	$188,618,893	815,191	+163.4%	Shares	Sole	2024-02-14
2023-09-30	$45,197,189	309,485	+39.7%	Shares	Sole	2023-11-14
2023-06-30	$51,180,822	221,562	—	Shares	Sole	2023-08-14
No filing history on record for this holder in this stock.