Ticker · CUSIP 09061G101
Holders (tracked)
23
Combined shares
44,000,004
Combined value
$2.61B
Last close
$54.10
Quarter
2025Q4
Tracked holders · last 8 quarters
+6 vs previous quarter over the last 8.
Price is -8.9% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
30 events
- Izzy Englander (Millennium Mgmt) added2026-02-17+410,406 shares · 2025Q4Position
- +105,523 shares · 2025Q4Position
- Ken Griffin (Citadel Advisors) added2026-02-17+966,844 shares · 2025Q4Position
- D.E. Shaw & Co. added2026-02-17+728,791 shares · 2025Q4Position
- AQR Capital Management added2026-02-17+754,807 shares · 2025Q4Position
- −2,285,243 shares · 2025Q4Position
- Two Sigma Investments trimmed2026-02-17−87,822 shares · 2025Q4Position
- Wellington Management opened position2026-02-17+785,095 shares · 2025Q4Position
- Steve Cohen (Point72) opened position2026-02-17+438,817 shares · 2025Q4Position
- T. Rowe Price added2026-02-17+9,553 shares · 2025Q4Position
- −145,722 shares · 2025Q4Position
- Dodge & Cox trimmed2026-02-13−114,417 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−568,600 shares · 2025Q4Position
- Norges Bank (Norway SWF) opened position2026-02-10+7,531,080 shares · 2025Q4Position
- Ken Fisher (Fisher Asset Mgmt) added2026-02-09+3,564 shares · 2025Q4Position
- −57,750 shares · 2025Q3Position
- AQR Capital Management added2025-11-14+351,536 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−207,145 shares · 2025Q3Position
- Two Sigma Investments added2025-11-14+9,992 shares · 2025Q3Position
- D.E. Shaw & Co. trimmed2025-11-14−840,190 shares · 2025Q3Position
- −3,966,432 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+10,100 shares · 2025Q3Position
- Paul Singer (Elliott Mgmt) exited2025-11-14−3,500,338 shares · 2025Q2Position
- Norges Bank (Norway SWF) exited2025-11-13−2,043,879 shares · 2025Q3Position
- Renaissance Technologies added2025-11-13+86,800 shares · 2025Q3Position
- Dodge & Cox trimmed2025-11-13−421,509 shares · 2025Q3Position
- Ray Dalio (Bridgewater Associates) added2025-11-13+147,937 shares · 2025Q3Position
- Mario Gabelli (GAMCO) added2025-11-12+5,150 shares · 2025Q3Position
- Ken Fisher (Fisher Asset Mgmt) added2025-11-12+18,181 shares · 2025Q3Position
- Norges Bank (Norway SWF) trimmed2025-11-12−85,960 shares · 2024Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of BMRN…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions4
- Norges Bank (Norway SWF)+7,531,080$447.6M
- Wellington Management+785,095$46.7M
- Steve Cohen (Point72)+438,817$26.1M
- Paul Tudor Jones (Tudor Investment)+105,523$6.3M
Added to6
- Ken Griffin (Citadel Advisors)+966,844$57.5M
- AQR Capital Management+754,807$44.6M
- D.E. Shaw & Co.+728,791$43.3M
- Izzy Englander (Millennium Mgmt)+410,406$24.4M
- Ken Fisher (Fisher Asset Mgmt)+3,564$212K
- T. Rowe Price+9,553$568
Trimmed5
- Andreas Halvorsen (Viking Global)−2,285,243$135.8M
- Renaissance Technologies−568,600$33.8M
- Ray Dalio (Bridgewater Associates)−145,722$8.7M
- Dodge & Cox−114,417$6.8M
- Two Sigma Investments−87,822$5.2M
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 20 | $200.32B |
| 2022Q2 | 18 | $215.77B |
| 2022Q3 | 18 | $3.69B |
| 2022Q4 | 19 | $4.43B |
| 2023Q1 | 19 | $3.86B |
| 2023Q2 | 18 | $3.54B |
| 2023Q3 | 19 | $3.56B |
| 2023Q4 | 22 | $4.39B |
| 2024Q1 | 22 | $4.43B |
| 2024Q2 | 22 | $4.54B |
| 2024Q3 | 25 | $2.53B |
| 2024Q4 | 24 | $2.46B |
| 2025Q1 | 22 | $2.68B |
| 2025Q2 | 20 | $2.32B |
| 2025Q3 | 17 | $1.91B |
| 2025Q4 | 23 | $2.61B |
Who owns BMRN
23 super-investors · 2025Q4
Tracked stake
44.00M
shares
Combined value
$2.61B
% of shares outstanding
—
shares-out unknown
Quarter action mix
New6Added11Trim5Held1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Dodge & Cox | 14.57M | $866M |
| 2 | Norges Bank Norway SWF | 7.53M | $448M |
| 3 | AQR Capital Management | 6.69M | $395M |
| 4 | Andreas Halvorsen Viking Global | 6.04M | $359M |
| 5 | Izzy Englander Millennium Mgmt | 3.04M | $181M |
| 6 | Ken Griffin Citadel Advisors | 1.36M | $81M |
| 7 | Renaissance Technologies | 1.32M | $79M |
| 8 | D.E. Shaw & Co. | 1.00M | $60M |
| 9 | Wellington Management | 785.1K | $47M |
| 10 | Steve Cohen Point72 | 438.8K | $26M |
| 11 | Ray Dalio Bridgewater Associates | 230.0K | $14M |
| 12 | Ken Griffin Citadel Advisors | 209.0K | $12M |
| 13 | Izzy Englander Millennium Mgmt | 158.0K | $9M |
| 14 | T. Rowe Price | 157.6K | $9M |
| 15 | Paul Tudor Jones Tudor Investment | 105.5K | $6M |
| 16 | Ken Griffin Citadel Advisors | 102.5K | $6M |
| 17 | Two Sigma Investments | 69.8K | $4M |
| 18 | D.E. Shaw & Co. | 60.0K | $4M |
| 19 | Ken Fisher Fisher Asset Mgmt | 35.3K | $2M |
| 20 | Paul Tudor Jones Tudor Investment | 30.0K | $2M |
| 21 | Paul Tudor Jones Tudor Investment | 26.7K | $2M |
| 22 | Izzy Englander Millennium Mgmt | 20.0K | $1M |
| 23 | Mario Gabelli GAMCO | 13.2K | $782K |
Recent moves
20 transactions
- +105,523 · 2025Q4
- −2,285,243 · 2025Q4
- +410,406 · 2025Q4
- +728,791 · 2025Q4
- +785,095 · 2025Q4
- −87,822 · 2025Q4
- +754,807 · 2025Q4
- +438,817 · 2025Q4
- +966,844 · 2025Q4
- +9,553 · 2025Q4
- TRIMDodge & Cox−114,417 · 2025Q4
- −145,722 · 2025Q4
- −568,600 · 2025Q4
- +7,531,080 · 2025Q4
- +3,564 · 2025Q4
- −57,750 · 2025Q3
- TRIMD.E. Shaw & Co.−840,190 · 2025Q3
- −207,145 · 2025Q3
- +9,992 · 2025Q3
- −3,966,432 · 2025Q3
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