UCTT
Ultra Clean Hldg (UCTT)
NASDAQ
$44.38-$7.84 (-15.01%)
Price as of Oct 22, 2026 7:10 PM EDT
  • $2.4B
    Market Cap
  • 87.37%
    1-Year Change
  • Semiconductor Equipment & Materials
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK FUNDING, INC. /DE
15.93%
7.2M
+174,004 (+2.41%)
Dec 31, 2024
BLACKROCK INC.
15.30%
6.9M
-218,526 (-3.16%)
Jun 30, 2024
BLACKROCK, INC.
15.28%
6.9M
+87,373 (+1.26%)
Jun 30, 2026
VANGUARD GROUP INC
11.02%
5.0M
+293,048 (+5.87%)
Dec 31, 2025
SWEDBANK
7.29%
3.3M
+3.3M (+100.00%)
Dec 31, 2020
INVESCO LTD.
6.90%
3.1M
+1.5M (+46.88%)
Jun 30, 2026
N/A
6.09%
2.8M
-44,812 (-1.63%)
Jun 30, 2026

Current Ownership Distribution

  • Mutual Funds813.1M (50.67%)
  • Institutions779.7M (48.60%)
  • Insiders11.7M (0.73%)
  • Other0 (0.00%)

Insider Transactions

  • 0.73% (11.7M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 1
    Number of InsiderSelling (last 12 months)
  • $13.0M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Cook Christopher S
President, Products Division
In Kind
Aug 31, 2026
$847,671.51
12,497
$67.83
98,126
HARDING BRIAN E
Chief Accounting Officer
Sell
Jul 02, 2026
$55,843.08
440
$126.92
36,978
HARDING BRIAN E
Chief Accounting Officer
Sell
Jul 02, 2026
$281,637.86
2,194
$128.37
34,784
HARDING BRIAN E
Chief Accounting Officer
Sell
Jul 02, 2026
$156,538.57
1,203
$130.12
33,581
Johnson Samuel Williams
SVP, Services Business
In Kind
Mar 31, 2026
$91,777.68
1,476
$62.18
10,869
Xiao Jinsong
Chief Executive Officer
Award
Sep 26, 2025
$0.00
117,948
$0.00
117,948
GRANGER CLARENCE L
In Kind
Sep 12, 2025
$250,735.74
9,938
$25.23
121,817
Cook Christopher S
President, Products Division
Award
Aug 29, 2025
$0.00
73,686
$0.00
130,015
Bajwa Harjinder
Chief Operating Officer
In Kind
Jun 30, 2025
$102,332.38
4,534
$22.57
76,693
McKibben Jeffrey L.
Chief Information Officer
Sell
Jun 04, 2025
$131,355.78
6,294
$20.87
21,996
MADDOCK ERNEST E
Award
May 21, 2025
$0.00
8,198
$0.00
45,241
Seto Jacqueline A.
Award
May 21, 2025
$0.00
8,198
$0.00
28,950
Solomon Joanne
Award
May 21, 2025
$0.00
8,198
$0.00
9,508
EDMAN THOMAS T
Award
May 21, 2025
$0.00
8,198
$0.00
46,041
Palfrey Jamie J.
SVP, Global Human Resources
Sell
May 06, 2025
$182,371.50
9,500
$19.20
30,465
HARDING BRIAN E
Chief Accounting Officer
In Kind
Apr 30, 2025
$36,596.76
1,956
$18.71
54,346
Palfrey Jamie J.
SVP, Global Human Resources
In Kind
Apr 30, 2025
$18,129.99
969
$18.71
41,492
Brumm Sheri
CFO
In Kind
Apr 30, 2025
$55,905.48
2,988
$18.71
73,017
McKibben Jeffrey L.
Chief Information Officer
In Kind
Apr 30, 2025
$17,999.02
962
$18.71
30,579
HARDING BRIAN E
Chief Accounting Officer
In Kind
Apr 30, 2025
$49,394.40
2,640
$18.71
51,706
Cho Paul Yoonku
General Counsel and Secretary
In Kind
Apr 30, 2025
$29,543.09
1,579
$18.71
29,886
Cook Christopher S
President, Products Division
In Kind
Apr 30, 2025
$34,707.05
1,855
$18.71
61,104
Bentinck Bill
President, Services Business
In Kind
Apr 30, 2025
$17,886.76
956
$18.71
73,924
Brumm Sheri
CFO
In Kind
Apr 30, 2025
$70,387.02
3,762
$18.71
69,255
Palfrey Jamie J.
SVP, Global Human Resources
In Kind
Apr 30, 2025
$16,109.31
861
$18.71
40,631
Cook Christopher S
President, Products Division
In Kind
Apr 30, 2025
$41,629.75
2,225
$18.71
58,879
McKibben Jeffrey L.
Chief Information Officer
In Kind
Apr 30, 2025
$18,541.61
991
$18.71
29,588
Brumm Sheri
CFO
In Kind
Apr 30, 2025
$53,772.54
2,874
$18.71
66,381
Cho Paul Yoonku
General Counsel and Secretary
In Kind
Apr 30, 2025
$27,354.02
1,462
$18.71
28,424
Cook Christopher S
President, Products Division
In Kind
Apr 30, 2025
$47,710.50
2,550
$18.71
56,329