UCTT

Ultra Clean Holdings, Inc.

$102.11 -1.66 (-1.60%) At close · Jul 15

Market Cap

$4.15B

44,828,352

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

58/100

Short interest 7.2% of shares — P82 Days to cover 2.1 — P45 Price vs VWAP +6.0% — P76 Short-volume trend -5.7% — P31 Short interest change -8.0% — P28 Worst FTD 0.03% 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	3,221,999	3,502,511	-280,512	1,574,553	2.05
2026-06-15	3,502,511	3,073,344	+429,167	1,305,529	2.68
2026-05-29	3,073,344	2,921,707	+151,637	1,029,303	2.99
2026-05-15	2,921,707	2,423,873	+497,834	1,099,728	2.66
2026-04-30	2,423,873	2,616,992	-193,119	988,175	2.45
2026-04-15	2,616,992	2,871,465	-254,473	895,573	2.92
2026-03-31	2,871,465	3,032,105	-160,640	1,110,475	2.59
2026-03-13	3,032,105	2,525,785	+506,320	1,450,072	2.09
2026-02-27	2,525,785	2,114,454	+411,331	2,441,441	1.03
2026-02-13	2,114,454	2,314,795	-200,341	1,204,001	1.76
2026-01-30	2,314,795	2,543,039	-228,244	1,055,645	2.19
2026-01-15	2,543,039	2,189,838	+353,201	1,250,061	2.03
2025-12-31	2,189,838	2,136,392	+53,446	335,705	6.52
2025-12-15	2,136,392	1,900,337	+236,055	640,153	3.34
2025-11-28	1,900,337	1,590,611	+309,726	498,288	3.81
2025-11-14	1,590,611	1,427,421	+163,190	446,847	3.56
2025-10-31	1,427,421	1,551,674	-124,253	513,657	2.78
2025-10-15	1,551,674	1,594,675	-43,001	447,340	3.47
2025-09-30	1,594,675	1,530,077	+64,598	412,585	3.87
2025-09-15	1,530,077	1,494,779	+35,298	287,249	5.33
2025-08-29	1,494,779	1,540,194	-45,415	320,383	4.67
2025-08-15	1,540,194	1,414,908	+125,286	457,063	3.37
2025-07-31	1,414,908	1,447,651	-32,743	558,049	2.54

Showing 1–23 of 23 settlements

Key facts CIK 1275014 CUSIP 90385V107 13F (30d) 33 filings 32 filers Visit website Investor relations