Rock Springs Capital Management LP

Position in MLYS — Mineralys Therapeutics, Inc.

CIK 1595725 Baltimore, MD

Position in MLYS

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$13,083,977

+$1,171,123 QoQ

Shares Held

484,951

+10.3% QoQ

Ownership

0.549%

of shares outstanding

% of Portfolio

0.64%

of 13F equity value

Holder Rank

#45

of 224 holders

Holding Since

Mar 2023

12 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

Rock Springs Capital Management LP holds $1,502,002,537 across 70 Biotechnology names. MLYS ranks #35 (0.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	RVMD	Revolution Medicines, Inc.	1,105,210	$206,983,728
2	TVTX	Travere Therapeutics, Inc.	2,179,069	$123,792,909
3	MDGL	Madrigal Pharmaceuticals, Inc.	174,999	$93,965,713
4	MIRM	Mirum Pharmaceuticals, Inc.	798,145	$93,438,835
5	RYTM	Rhythm Pharmaceuticals, Inc.	692,598	$76,899,155
6	KYMR	Kymera Therapeutics, Inc.	453,156	$51,963,398
7	ARGX	Argenx SE	52,750	$48,939,867
8	ASND	Ascendis Pharma A/S	168,750	$45,009,000

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$13,083,977	484,951	+10.3%	Shares	Sole	2026-08-14
2026-03-31	$11,912,854	439,751	+2.8%	Shares	Sole	2026-05-15
2025-12-31	$15,517,458	427,596	+4.7%	Shares	Sole	2026-02-17
2025-09-30	$15,483,228	408,313	+25.8%	Shares	Sole	2025-11-14
2025-06-30	$4,390,660	324,513	+1.2%	Shares	Sole	2025-08-14
2025-03-31	$5,094,510	320,813	-15.3%	Shares	Sole	2025-05-15
2024-06-30	$4,433,504	378,932	-52.2%	Shares	Sole	2024-08-14
2024-03-31	$10,232,659	792,615	-32.1%	Shares	Sole	2024-05-15
2023-12-31	$10,040,431	1,167,492	0.0%	Shares	Sole	2024-02-14
2023-09-30	$11,102,848	1,167,492	0.0%	Shares	Sole	2023-11-14
2023-06-30	$19,905,738	1,167,492	0.0%	Shares	Sole	2023-08-14
2023-03-31	$18,282,924	1,167,492	—	Shares	Sole	2023-05-15
No filing history on record for this holder in this stock.