BMRN
BioMarin Pharmaceuticals Inc
stockNASDAQ
At CloseOct 29, 2026 3:59:59 PM EDT
57.42USD+2.536%(+1.42)2,616,555
Pre-marketOct 29, 2026 8:20:30 AM EDT
56.40USD+0.714%(+0.40)
After-hoursOct 29, 2026 4:31:30 PM EDT
57.72USD+0.519%(+0.30)
As of 2026-10-15, there were 12,050,657 shares short with a short interest of 6.26%.
BMRN Short Interest - Official
BMRN Short Position Change - Official
BMRN Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-10-15 | 6.26 | 12,050,657 | 4.90 | +527,822 | +4.58 | 193,573,759 | 192,631,055 |
| 2026-09-30 | 6.00 | 11,522,835 | 5.51 | +1,447,180 | +14.36 | 193,573,759 | 192,093,806 |
| 2026-09-15 | 5.25 | 10,075,655 | 5.53 | +198,102 | +2.01 | 193,573,759 | 192,093,806 |
| 2026-08-31 | 5.14 | 9,877,553 | 5.76 | -325,397 | -3.19 | 193,573,759 | 192,093,806 |
| 2026-08-14 | 5.31 | 10,202,950 | 3.69 | -2,301,181 | -18.40 | 193,573,759 | 192,093,806 |
| 2026-07-31 | 6.51 | 12,504,131 | 7.42 | -1,811,853 | -12.66 | 193,284,438 | 192,093,806 |
| 2026-07-15 | 7.45 | 14,315,984 | 10.16 | +407,137 | +2.93 | 193,284,438 | 192,093,806 |
| 2026-06-30 | 7.24 | 13,908,847 | 6.04 | +1,392,399 | +11.12 | 193,284,438 | 192,093,806 |
| 2026-06-15 | 6.52 | 12,516,448 | 6.06 | +1,157,219 | +10.19 | 193,284,438 | 192,093,806 |
| 2026-05-15 | 5.91 | 11,359,229 | 5.42 | +566,370 | +5.25 | 193,284,438 | 192,151,776 |
| 2026-04-30 | 5.67 | 10,792,859 | 7.28 | +641,643 | +6.32 | 193,270,028 | 190,498,662 |
| 2026-04-15 | 5.33 | 10,151,216 | 6.42 | +1,318,723 | +14.93 | 192,323,359 | 190,498,662 |
| 2026-03-31 | 4.64 | 8,832,493 | 4.20 | +331,383 | +3.90 | 192,323,359 | 190,498,662 |
| 2026-03-13 | 4.46 | 8,501,110 | 4.56 | +240,840 | +2.92 | 192,323,359 | 190,498,662 |
| 2026-02-27 | 4.34 | 8,260,270 | 3.53 | -356,466 | -4.14 | 192,114,344 | 190,498,662 |
| 2026-02-13 | 4.52 | 8,616,736 | 3.91 | +706,676 | +8.93 | 192,114,344 | 190,498,662 |
| 2026-01-30 | 4.15 | 7,910,060 | 3.92 | +516,441 | +6.98 | 192,114,344 | 190,498,662 |
| 2026-01-15 | 3.88 | 7,393,619 | 3.49 | -659,292 | -8.19 | 192,114,344 | 190,498,662 |
| 2025-12-31 | 4.23 | 8,052,911 | 2.22 | -46,092 | -0.57 | 192,114,344 | 190,498,662 |
| 2025-12-15 | 4.25 | 8,099,003 | 3.77 | -131,584 | -1.60 | 192,114,344 | 190,431,422 |
| 2025-11-28 | 4.35 | 8,230,587 | 2.07 | -718,563 | -8.03 | 192,114,344 | 189,221,531 |
| 2025-11-14 | 5.02 | 8,949,150 | 3.85 | -912,222 | -9.25 | 192,114,344 | 178,157,237 |
| 2025-10-31 | 5.54 | 9,861,372 | 3.20 | +1,347,961 | +15.83 | 192,114,344 | 178,155,316 |
Historical data is split-adjusted.
1 Data from Finra. Finra publishes an updated file every two weeks.
2 Days to Cover (DTC) is also called Short Ratio. This is the Short Position / Average Daily Trading Volume.