AI summary pending
View Full Filing (SEC EDGAR)Mirum Pharmaceuticals Inc
$81.35+0.9%
+$1.3B
Net Activity
+13.27% total shares
Institutions Holding
332
Popularity Rank
#1903
Avg Weight
0.38%
Total Value
$8.5B
Market Cap
$4.1B
332 institutions currently hold MIRM, with 194 net buyers and 144 net sellers this quarter.
Institutional Moves (Q2 2026)
Neutral
Based on recent trading activity
Net Selling Institutions
144
Net Buying Institutions
194
Top 5 by Value
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Across its top 20 institutional holders, MIRM's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 11/100, avg. turnover score 34/100).
MIRM ranks #1903 out of 37696 tracked stocks by institutional interest — one of the most closely watched names in our coverage.
MIRM is a top-conviction position for Frazier Life Sciences Management, L.P. — at 19.6% of their entire disclosed 13F portfolio, it's one of their largest single bets, not just a passing allocation.
Versant Capital Management, Inc has added to its MIRM position for two straight quarters, increasing it by $7.0K to reach $12.3K today.
Farther Finance Advisors, LLC has trimmed its MIRM position for two straight quarters, cutting it by $6.6K while still holding $3.8K.
MIRM is up 0.9% today, and institutions have been net buyers of $1.3B this quarter — today's price move and the underlying institutional flow are pointing the same direction.
MIRM reported a net loss of $860.2M over the trailing twelve months.
+$1.5B
Total Buy Value
$964.4M
Total Sell Value
194
Net Buyers
144
Net Sellers
MIRM
Q2 2026
Top 5 Institutional Movers
MIRM does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.
13F data as of 2026-09-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.
7
Filings (90d)
$10.78M
Total Est. Value
108K shares
Planned Shares
| Filer | Filing Date | Est. Value |
|---|---|---|
| ERIC BJERKHOLT | 2026-09-15 | $978K |
| JOLANDA MARIE HOWE | 2026-09-02 | $66K |
| CHRISTOPHER PEETZ | 2026-09-01 | $2.96M |
| JOLANDA MARIE HOWE | 2026-08-18 | $4.00M |
| ERIC BJERKHOLT | 2026-08-11 | $600K |
| CHRISTOPHER PEETZ | 2026-08-10 | $1.98M |
| JOLANDA MARIE HOWE | 2026-08-03 | $194K |
Form 144 is a planned sale notice, not an executed transaction. Form 144 Tracker。
1
Active 5%+ Holders
| Reporting Person | Type | Filing Date | % of Class |
|---|---|---|---|
| JANUS HENDERSON GROUP Ltd. | 13G/A | 2026-08-13 | 9.7% |
4
Filings (14d)
AI summary pending
View Full Filing (SEC EDGAR)AI summary pending
View Full Filing (SEC EDGAR)AI summary pending
View Full Filing (SEC EDGAR)Mirum Pharmaceuticals issued a press release on August 5, 2026, announcing its financial results and corporate update for the quarter ended June 30, 2026. The release is attached as Exhibit 99.1 to this 8-K, but the excerpt doesn't include any specific numbers.
View Full Filing (SEC EDGAR)604749101
The most-added stocks by 13F institutions this quarter
Institutions Holding
6,278
Total reported value
$2.2T
3254 13F institutions increased their position this quarter
Institutions Holding
6,025
Total reported value
$3.6T
3054 13F institutions increased their position this quarter
Institutions Holding
6,188
Total reported value
$1.8T
2995 13F institutions increased their position this quarter
The most widely held stocks tracked across all 13F institutions
Institutions Holding
6,178
Total reported value
$2.9T
Held by 6178 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
5,841
Total reported value
$1.8T
Held by 5841 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
5,283
Total reported value
$1.3T
Held by 5283 institutions — one of the most-tracked stocks on AlphaSMO
Access MIRM's institutional ownership data programmatically:
REST API
curl https://alphasmo.com/api/v1/market/stock/MIRMCLI
npx alphasmo stocks get MIRMFull API & MCP documentation →