HALO

Halozyme Therapeutics, Inc.

$77.54 +1.72 (+2.27%) At close · Jul 16

Market Cap

$9.20B

118,613,000

Total shares sold short and not yet covered, reported to FINRA by broker-dealers and published twice a month (bi-monthly). Days to cover divides the short position by average daily volume; a high value (above 5) can signal short-squeeze potential.

Short Squeeze Score

78/100

Short interest 11.2% of shares — P91 Days to cover 6.3 — P88 Price vs VWAP +9.5% — P83 Short-volume trend +4.1% — P67 Short interest change +2.1% — P53 Worst FTD 0.02% of shares — P55

Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-06-30). 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
2026-06-30	13,226,223	12,948,289	+277,934	2,108,787	6.27
2026-06-15	12,948,289	13,644,245	-695,956	1,652,526	7.84
2026-05-29	13,644,245	13,389,887	+254,358	1,680,327	8.12
2026-05-15	13,389,887	14,381,741	-991,854	1,991,771	6.72
2026-04-30	14,381,741	14,257,845	+123,896	1,407,549	10.22
2026-04-15	14,257,845	14,046,350	+211,495	1,348,999	10.57
2026-03-31	14,046,350	13,701,015	+345,335	1,493,288	9.41
2026-03-13	13,701,015	13,498,344	+202,671	1,630,424	8.40
2026-02-27	13,498,344	13,795,570	-297,226	2,199,321	6.14
2026-02-13	13,795,570	13,515,827	+279,743	2,134,102	6.46
2026-01-30	13,515,827	13,593,503	-77,676	1,490,869	9.07
2026-01-15	13,593,503	13,800,472	-206,969	2,227,816	6.10
2025-12-31	13,800,472	12,500,858	+1,299,614	1,395,958	9.89
2025-12-15	12,500,858	12,372,896	+127,962	2,816,317	4.44
2025-11-28	12,372,896	12,479,411	-106,515	2,042,714	6.06
2025-11-14	12,479,411	11,305,141	+1,174,270	3,188,411	3.91
2025-10-31	11,305,141	11,510,110	-204,969	1,477,599	7.65
2025-10-15	11,510,110	10,797,290	+712,820	2,398,287	4.80
2025-09-30	10,797,290	11,779,854	-982,564	2,208,182	4.89
2025-09-15	11,779,854	11,883,269	-103,415	1,836,341	6.41
2025-08-29	11,883,269	10,571,710	+1,311,559	2,069,526	5.74
2025-08-15	10,571,710	9,932,500	+639,210	2,285,628	4.63
2025-07-31	9,932,500	9,602,474	+330,026	1,249,951	7.95

Showing 1–23 of 23 settlements

Key facts CIK 1159036 CUSIP 40637H109 13F (30d) 78 filings 73 filers Visit website Investor relations