UCTTUltra Clean Holdings, Inc.

$68.65+148% 1Y
Latest close: back above its 200-day averageOct 9, 2026what changed →

Who owns UCTT

431 institutions reported holding UCTT for 2026Q2, together 102% of the company, more than the 324 a quarter earlier.

431

Institutions reporting a position · as of 2026Q2 · up from 324 the quarter before

Shares held by institutions
46.0M

Shares held by institutions · 102% of the company · long US equity positions only, as reported on Form 13F

Reported value
$6.48B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
43%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
53
New positions
145
Positions exited
39
Added to
87
Reduced
153
Top 10 holdersof the company
56%
Shares sold shortsettled Sep 15, 2026
3.6M
Short interestof shares outstanding
8.0%
Days to coverat the average daily volume
4.4
Change in the short positionsince the Aug 31, 2026 count
+0.20%
Institutional ownership by quarter, 2013Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q243146.0M$6.48B
2026Q132445.0M$2.79B
2025Q423542.5M$1.08B
2025Q324042.1M$1.15B
2025Q222942.0M$949M
2025Q122641.7M$893M
2024Q423341.6M$1.49B
2024Q324940.4M$1.61B
2024Q221741.1M$2.01B
2024Q120340.9M$1.88B
2023Q419440.3M$1.38B
2023Q320440.1M$1.19B
2023Q219940.1M$1.54B
2023Q120340.0M$1.33B
2022Q421940.0M$1.33B
2022Q321239.1M$1.01B
Largest reported holders, 2026Q2
HolderShares% of companyValue
BlackRock Inc.6.9M15%$987M
VANGUARD GROUP INC5.1M11%$722M
Invesco Ltd.3.1M6.9%$446M
Capital World Investors2.6M5.7%$368M
STATE STREET CORP1.8M4.0%$257M
Robeco Investment Management, Inc.1.4M3.0%$192M
GEODE CAPITAL MANAGEMENT LLC1.3M2.9%$188M
Driehaus Capital Management LLC1.3M2.9%$187M
DIMENSIONAL FUND ADVISORS LP0.9M2.1%$135M
ALLIANCEBERNSTEIN L.P.0.8M1.8%$113M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 20263.6M8.0%4.4
Aug 31, 20263.6M8.0%4.2
Aug 14, 20263.2M7.0%2.3
Jul 31, 20263.3M7.4%2.4
Jul 15, 20263.6M7.8%2.2
Jun 30, 20263.2M7.1%2.0
Jun 15, 20263.5M7.7%2.7
May 29, 20263.1M6.8%3.0
May 15, 20262.9M6.5%2.7
Apr 30, 20262.4M5.4%2.5
Apr 15, 20262.6M5.8%2.9
Mar 31, 20262.9M6.3%2.6

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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