MLYSMineralys Therapeutics, Inc.

$23.36-41% 1Y

Who owns MLYS

224 institutions reported holding MLYS for 2026Q2, together 120% of the company, more than the 213 a quarter earlier.

224

Institutions reporting a position · as of 2026Q2 · up from 213 the quarter before

Shares held by institutions
99.7M

Shares held by institutions · 120% of the company · long US equity positions only, as reported on Form 13F

Reported value
$2.69B

Reported value · at Jun 30, 2026 prices, not today's

Opened vs closed
36 / 25

Opened vs closed · new positions against positions exited in the latest quarter

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
14
New positions
36
Positions exited
25
Added to
84
Reduced
62
Shares sold shortsettled Sep 15, 2026
9.2M
Short interestof shares outstanding
11%
Days to coverat the average daily volume
6.4
Change in the short positionsince the Aug 31, 2026 count
−1.6%
Institutional ownership by quarter, 2023Q1 to 2026Q2
QuarterFilersSharesReported value
2026Q222499.7M$2.69B
2026Q121390.3M$2.46B
2025Q422188.4M$3.21B
2025Q319179.3M$3.01B
2025Q216465.7M$889M
2025Q114760.8M$966M
2024Q410746.5M$572M
2024Q310444.3M$539M
2024Q29244.1M$516M
2024Q19241.9M$541M
2023Q48734.7M$299M
2023Q37726.5M$252M
2023Q26825.2M$429M
2023Q16724.6M$385M
Largest reported holders, 2026Q2
HolderShares% of companyValue
Catalys Pacific, LLC7.9Mn/a$213M
RA CAPITAL MANAGEMENT, L.P.7.7Mn/a$208M
BlackRock Inc.5.9Mn/a$159M
SAMSARA BIOCAPITAL, LLC5.9Mn/a$158M
FMR LLC4.5Mn/a$122M
STATE STREET CORP4.1Mn/a$112M
VANGUARD GROUP INC4.0Mn/a$109M
DEERFIELD MANAGEMENT CO /NY4.0Mn/a$107M
Laurion Capital Management LP2.5Mn/a$68M
PRICE T ROWE ASSOCIATES INC /MD/2.3Mn/a$61M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 20269.2M11%6.4
Aug 31, 20269.3M11%11.4
Aug 14, 20269.6M12%12.9
Jul 31, 20269.3M11%15.1
Jul 15, 20269.6M12%9.8
Jun 30, 202611.1M13%5.2
Jun 15, 20268.7M11%3.5
May 29, 20269.5M11%6.8
May 15, 20269.0M11%8.2
Apr 30, 20268.5M10%9.8
Apr 15, 20268.8M11%6.5
Mar 31, 20268.4M10%5.7

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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