BMRN · Biomarin Pharmaceutical Inc

$67.36 -1.17 (-1.71%) At close · Aug 14

Market Cap

$13.04B

193.57M

Shares sold short and not yet covered, reported twice monthly. Days to cover is the reported short position divided by average daily volume.

Model estimate

Expected Aug 14 short interest

as of Aug 14

12,760,017 +2.0% vs reported

The latest estimate appears in the chart below. Official release expected Aug 25. Methodology

Short Squeeze Score

64/100

Short interest 6.5% of shares — P80 Days to cover 7.4 — P82 Price vs VWAP +15.6% — P88 Short-volume trend -3.8% — P35 Short interest change -12.7% — P24 Worst FTD 0.00% of shares — P22

Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-07-31). Weighted mean of the available factors (short interest 30%, days to cover 20%, price vs VWAP 15%, short-volume trend 15%, short-interest change 10%, fails-to-deliver 10%) plus catalyst boosts (price spike, volume surge, earnings within days), capped at +20 and clamped to 100.

1M 3M 6M 1Y 5Y All

Short Interest History

Settlement Date	Current Position	Previous Position	Change	Avg Daily Volume	Days to Cover
2026-08-31 Scheduled FINRA publishes Sep 10	—	—	—	—	—
2026-08-14 Scheduled FINRA publishes Aug 25	—	—	—	—	—
2026-07-31	12,504,131	14,315,984	-1,811,853	1,684,263	7.42
2026-07-15	14,315,984	13,908,847	+407,137	1,409,304	10.16
2026-06-30	13,908,847	12,516,448	+1,392,399	2,301,848	6.04
2026-06-15	12,516,448	11,605,279	+911,169	2,066,601	6.06
2026-05-29	11,605,279	11,359,229	+246,050	2,921,395	3.97
2026-05-15	11,359,229	10,792,859	+566,370	2,096,087	5.42
2026-04-30	10,792,859	10,151,216	+641,643	1,482,676	7.28
2026-04-15	10,151,216	8,832,493	+1,318,723	1,581,415	6.42
2026-03-31	8,832,493	8,501,110	+331,383	2,100,926	4.20
2026-03-13	8,501,110	8,260,270	+240,840	1,866,101	4.56
2026-02-27	8,260,270	8,616,736	-356,466	2,342,335	3.53
2026-02-13	8,616,736	7,910,060	+706,676	2,203,278	3.91
2026-01-30	7,910,060	7,393,619	+516,441	2,017,072	3.92
2026-01-15	7,393,619	8,052,911	-659,292	2,116,537	3.49
2025-12-31	8,052,911	8,099,003	-46,092	3,630,837	2.22
2025-12-15	8,099,003	8,230,587	-131,584	2,147,151	3.77
2025-11-28	8,230,587	8,949,150	-718,563	3,980,917	2.07
2025-11-14	8,949,150	9,861,372	-912,222	2,324,608	3.85
2025-10-31	9,861,372	8,513,411	+1,347,961	3,085,793	3.20
2025-10-15	8,513,411	7,155,141	+1,358,270	2,260,014	3.77
2025-09-30	7,155,141	7,307,716	-152,575	2,244,228	3.19
2025-09-15	7,307,716	5,956,363	+1,351,353	1,816,459	4.02
2025-08-29	5,956,363	4,956,158	+1,000,205	1,591,817	3.74

Showing 1–23 of 23 settlements

Key facts CIK 1048477 CUSIP 09061G101 13F (30d) 543 filings 511 filers Visit website Investor relations