Companies / Ultra Clean Holdings Inc

Ultra Clean Holdings Inc

Nasdaq: UCTTCIK 1275014HAYWARD, CA
Insider flow · last 90 daysNet sells $5.06M

Financials · FY2024

Revenue$2.10B
Net income$-181.20M
Total debt$599.40M
Cash$255.90M
Diluted EPS$-4.00
Shares outstanding45.3M

Ownership

45.3M shares outstanding · as of Jul 29, 2026
1.7%Insiders
Ownership
Insiders1.70%767,737
10%+ / strategic16.80%7,608,728
Institutions91.31%41,344,398
Public float0.00%0

Reported holdings exceed shares outstanding — public float shown as 0; some positions may overlap or lag.

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 16

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Insider% of sharesShares
Xiao JinsongCEOChief Executive Officer
0.33%149,123
Cook Christopher SPresident, Products Division
0.24%110,623
Granger Clarence LDirector
0.19%84,392
Savage SheriCFO
0.15%66,476
Edman Thomas TDirector
0.11%48,616
Ibnale David TDirector
0.11%47,816
Maddock Ernest EDirector
0.11%47,816
Liggett Emily MDirector
0.08%38,152
Harding Brian EChief Accounting Officer
0.08%37,418
Seto Jacqueline A.Director
0.07%31,525

Institutional holders 267

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HolderValue% of shares
BlackRock, Inc.$986.72M15.28%
State Street Corporation$256.98M3.98%
Vanguard Group Inc$126.42M11.02%
Boston Partners$91.40M3.24%
Frontier Capital Management CO.,LLC$88.90M7.75%
Invesco Ltd.$86.12M7.51%
D. E. Shaw & Co., Inc.$73.57M2.61%
Geode Capital Management, LLC$70.95M2.52%
Millennium Management LLC$42.62M1.51%
Dimensional Fund Advisors LP$38.63M3.37%

Activity

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InsidersInstitutions
What insiders are doing in this stock (Form 4).
DateActorActionSecurityValueShares ΔPosition afterImpact
May 1, 2026Granger Clarence L
Director
SellCommon Stock$931.8K-13K
-11.20%
99,294
0.22% of shares
medium
Apr 30, 2026Cook Christopher S
Executive
SellCommon Stock$896.4K-12K
-9.85%
108,905
0.24% of shares
medium
May 1, 2026Granger Clarence L
Director
SellCommon Stock$852.8K-11K
-11.38%
87,992
0.19% of shares
medium
May 4, 2026Cook Christopher S
Executive
SellCommon Stock$757.2K-10K
-9.41%
98,658
0.22% of shares
medium
May 27, 2026Liggett Emily M
Director
SellCommon Stock$755.7K-8K
-17.69%
38,152
0.08% of shares
medium
May 5, 2026Palfrey Jamie J.
Executive
SellCommon Stock$692.9K-9K
-34.57%
16,446
0.04% of shares
medium
Apr 30, 2026Savage Sheri
Executive
OtherCommon Stock$391.1K-5K
-8.41%
54,505
0.12% of shares
low
May 14, 2026McKibben Jeffrey L.
Executive
SellCommon Stock$365.8K-4K
-27.03%
11,349
0.03% of shares
medium

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
Vanguard Group IncPassive13G/A—0—
Shapiro Capital Management LLCPassive13G/A—1,276,967—
Invesco Ltd.Passive13G———
Frontier Capital Management CO.,LLCPassive13G—3,509,839—
Invesco Ltd.Passive13G/A———
Frontier Capital Management CO.,LLCPassive13G/A—1,787,451—
Vanguard Portfolio ManagementPassive13G—2,821,922—

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
UCTT——90385V107—