Companies / Mirum Pharmaceuticals, Inc.

Mirum Pharmaceuticals, Inc.

Nasdaq: MIRMCIK 1759425FOSTER CITY, CAmirumpharma.com ↗
Insider flow · last 90 daysNet sells $469.1K

Financials · FY2025

Revenue$521.31M
Net income$-23.36M
Total debt—
Cash$330.73M
Diluted EPS$-0.47
Shares outstanding64.9M

Ownership

64.9M shares outstanding · as of Jul 31, 2026
1.5%Insiders
Ownership
Insiders1.50%975,972
Institutions97.83%63,521,393
Public float0.67%434,838

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 11

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Insider% of sharesShares
Heron Patrick JDirector
0.71%459,010
Peetz ChristopherCEOCHIEF EXECUTIVE OFFICER · Director
0.59%381,809
Bjerkholt EricCHIEF FINANCIAL OFFICER
0.07%47,181
Radovich PeterPRESIDENT AND COO
0.06%40,272
Quan JoanneCHIEF MEDICAL OFFICER
0.03%18,864
Fischer LaurentDirector
0.02%10,727
Walbert Timothy PDirector
0.01%9,680
Howe JolandaSVP, GLOBAL CONTROLLER
0.01%8,429
Ramasastry SairaDirector
0.00%0
Brege LauraDirector
——

Institutional holders 293

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HolderValue% of shares
Janus Henderson Group PLC$641.76M10.70%
Frazier Life Sciences Management, L.P.$536.75M10.46%
BlackRock, Inc.$513.94M6.76%
State Street Corporation$254.12M3.34%
Vanguard Group Inc$205.07M4.00%
Eventide Asset Management, LLC$165.37M3.22%
Bvf INC/IL$146.40M2.44%
Novo Holdings A/S$122.40M2.04%
Geode Capital Management, LLC$116.42M1.94%
Tang Capital Management, LLC$114.18M1.90%

Activity

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InsidersInstitutions
What insiders are doing in this stock (Form 4).
DateActorActionSecurityValueShares ΔPosition afterImpact
Jan 23, 2026Heron Patrick J
Director
BuyCommon Stock$9.00M+131K
+40.12%
459,010
0.71% of shares
high
Mar 16, 2026Peetz Christopher
CEO
SellCommon Stock$3.77M-41K
-17.42%
194,309
0.30% of shares
medium
Mar 16, 2026Radovich Peter
Executive
SellCommon Stock$1.52M-17K
-29.08%
40,272
0.06% of shares
medium
Feb 2, 2026Peetz Christopher
CEO
SellCommon Stock$940.9K-9K
-5.38%
160,294
0.25% of shares
medium
Mar 16, 2026Quan Joanne
Executive
SellCommon Stock$670.2K-7K
-27.87%
18,864
0.03% of shares
medium
Mar 16, 2026Bjerkholt Eric
Executive
SellCommon Stock$670.2K-7K
-12.77%
49,788
0.08% of shares
medium
Jan 22, 2026Peetz Christopher
CEO
SellCommon Stock$662.4K-7K
-4.15%
163,733
0.25% of shares
medium
Jan 26, 2026Peetz Christopher
CEO
SellCommon Stock$657.1K-7K
-3.88%
169,402
0.26% of shares
medium

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
Vanguard Group IncPassive13G/A—0—
Janus Henderson Group PLCPassive13G/A———
Eventide Asset Management, LLCPassive13G/A———

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
MIRM——604749101—