MIRM

Mirum Pharmaceuticals Inc$117.36 3.01%
Health CareUSCUSIP 604749101· EOD Jul 16, 2026◍ Confluence graph
Tracked 13F Holders
245
+28 QoQ
13F Value (tracked)
$5.8B
Insider Net · 180d
-$10.0M
1↑ 6↓
Recent Filings
15
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)41 adding · 24 trimming
Insider net (180d)-$10.0M

Price & smart-money activity

$117.36 3.01%5Y +639.5%
$4.27$37.41$70.56$103.70$136.8420212022202320242025202663634635102321021582821
Hover for who · click for detailEnd-of-day closing prices52w $51.12 – $128.57
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Ask your agent what changed in MIRM

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/MIRM/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for MIRM.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

Top institutional holders

245 tracked 13F filers
1 source-reported value row is withheld because the reported units do not agree with same-security peers. Share counts remain visible and unchanged.
#FundPosition valueSharesLast moveAs ofHistory
1Frazier Life Sciences Management, L.P.
$709.4M
7.7M
+13%
Added · +885K sh
Q1 2026
2JANUS HENDERSON GROUP PLC
$641.8M
6.9M
+15%
Added · +881K sh
Q1 2026
3BlackRock, Inc.
$355.3M
3.8M
+5.5%
Added · +201K sh
Q1 2026
4VANGUARD CAPITAL MANAGEMENT LLC
$223.1M
2.4M
New
+2.4M sh
Q1 2026
5FMR LLC
$181.6M
2.0M
+204%
Added · +1.3M sh
Q1 2026
6STATE STREET CORP
$179.6M
1.9M
−9.3%
Reduced · −200K sh
Q1 2026
7PRICE T ROWE ASSOCIATES INC /MD/
$158.7M
1.7M
+21%
Added · +297K sh
Q1 2026
8BVF INC/IL
$146.4M
1.6M
+6.0%
Added · +89K sh
Q1 2026
9VANGUARD PORTFOLIO MANAGEMENT LLC
$132.3M
1.4M
New
+1.4M sh
Q1 2026
10EVENTIDE ASSET MANAGEMENT, LLC
$130.1M
1.4M
−33%
Reduced · −685K sh
Q1 2026
11Novo Holdings A/S
$122.4M
1.3M
+4.8%
Added · +61K sh
Q1 2026
12GEODE CAPITAL MANAGEMENT, LLC
$116.4M
1.3M
+19%
Added · +197K sh
Q1 2026
13TANG CAPITAL MANAGEMENT LLC
$114.2M
1.2M
Held
Q1 2026
14TCG Crossover Management, LLC
$98.1M
1.1M
17×
Added · +1.0M sh
Q1 2026
15CITADEL ADVISORS LLC
$97.2M
1.1M
+25%
Added · +212K sh
Q1 2026
16BNP PARIBAS FINANCIAL MARKETS
$84.2M
911K
+39%
Added · +256K sh
Q1 2026
17Rock Springs Capital Management LP
$74.9M
811K
+6.4%
Added · +49K sh
Q1 2026
18TWO SIGMA INVESTMENTS, LP
$71.6M
775K
+99%
Added · +386K sh
Q1 2026
19BANK OF AMERICA CORP /DE/
$66.7M
722K
+1.2%
Added · +9K sh
Q1 2026
20FRANKLIN RESOURCES INC
$66.0M
715K
+9.8%
Added · +64K sh
Q1 2026
21Clearbridge Investments, LLC
$62.1M
672K
−22%
Reduced · −194K sh
Q1 2026
22GOLDMAN SACHS GROUP INC
$61.2M
662K
−8.6%
Reduced · −62K sh
Q1 2026
23Paradigm Biocapital Advisors LP
$57.7M
625K
New
+625K sh
Q1 2026
24Bank of New York Mellon Corp
$54.0M
585K
+3.3%
Added · +19K sh
Q1 2026
25RENAISSANCE TECHNOLOGIES LLC
$53.8M
582K
+33%
Added · +143K sh
Q1 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Fund activity: latest quarter

Opened (NEW)
9
funds
Added
32
funds
Reduced
24
funds
Exited
0
funds

Insider activity (Form 4)

Full insider page →
Buys · 180d
$9.0M
1 insiders
Sells · 180d
$19.0M
6 insiders
Net
-$10.0M
42 P/S txns
Signal
Net Selling
open-market
DateInsiderRoleActionSharesValue
Jul 6, 2026BJERKHOLT ERICCHIEF FINANCIAL OFFICERSell (S)3K$380K
Jul 6, 2026BJERKHOLT ERICCHIEF FINANCIAL OFFICERSell (S)1K$128K
Jul 6, 2026BJERKHOLT ERICCHIEF FINANCIAL OFFICERSell (S)528$65K
Jul 6, 2026BJERKHOLT ERICCHIEF FINANCIAL OFFICERSell (S)300$37K
Jul 6, 2026Peetz ChristopherCHIEF EXECUTIVE OFFICER, DirectorOption exercise (M)20K$59K
Jul 6, 2026Peetz ChristopherCHIEF EXECUTIVE OFFICER, DirectorSell (S)12K$1.5M
Jul 6, 2026Peetz ChristopherCHIEF EXECUTIVE OFFICER, DirectorSell (S)4K$512K
Jul 6, 2026Peetz ChristopherCHIEF EXECUTIVE OFFICER, DirectorSell (S)2K$244K
Jul 6, 2026Peetz ChristopherCHIEF EXECUTIVE OFFICER, DirectorSell (S)2K$213K
Jul 6, 2026Peetz ChristopherCHIEF EXECUTIVE OFFICER, DirectorOption exercise (M)20K$0
Jul 1, 2026Howe JolandaSVP, GLOBAL CONTROLLERSell (S)3K$327K
Jun 17, 2026Howe JolandaSVP, GLOBAL CONTROLLERSell (S)3K$264K

Institutional ownership over time

241 funds+117 since Q3 2024
0121241Q3 2024Q1 2025Q3 2025Q1 2026
funds holding aggregate valuelatest $5.7B · 1 values withheld

Funds that own MIRM also own

CompanyCo-held byCombined value
ELI LILLY & COLLY103 funds$13.3B
BOSTON SCIENTIFIC CORPBSX102 funds$2.9B
NVIDIA CORPNVDA100 funds$69.8B
MICROSOFT CORPMSFT100 funds$46.9B
AMAZON.COM INCAMZN99 funds$34.9B
ALPHABET INC-CL AGOOGL99 funds$31.9B
META PLATFORMS INC-CLASS AMETA99 funds$21.8B
INTUITIVE SURGICAL INCISRG99 funds$4.3B
BROADCOM INCAVGO98 funds$27.1B
APPLE INCAAPL97 funds$52.4B
ADVANCED MICRO DEVICESAMD97 funds$7.3B
SERVICENOW INCNOW97 funds$4.4B

Ranked by how many of MIRM's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

15 shown

Browse more

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for MIRM. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.