ULTRA CLEAN HLDGS INC

Ticker: UCTT CUSIP: 90385V107 Class: Common Stock

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 821,088 Value ($000) $20,798 Avg Close $26.60 Range $21.49 - $31.11

Q3 2025

Shares 777,101 Value ($000) $21,176 Avg Close $24.59 Range $21.28 - $29.72

Q2 2025

Shares 737,254 Value ($000) $16,640 Avg Close $20.53 Range $16.66 - $23.22

Q1 2025

Shares 671,539 Value ($000) $14,378 Avg Close $31.93 Range $20.86 - $40.10

Q4 2024

Shares 678,223 Value ($000) $24,382 Avg Close $36.98 Range $32.08 - $41.84

Q3 2024

Shares 647,288 Value ($000) $25,846 Avg Close $41.01 Range $32.33 - $56.47

Q2 2024

Shares 629,288 Value ($000) $30,835 Avg Close $44.88 Range $38.16 - $50.51

Q1 2024

Shares 615,954 Value ($000) $28,297 Avg Close $40.62 Range $31.01 - $49.25

Q4 2023

Shares 591,891 Value ($000) $20,207 Avg Close $27.80 Range $22.15 - $35.54

Q3 2023

Shares 545,815 Value ($000) $16,194 Avg Close $33.70 Range $28.04 - $40.80

Q2 2023

Shares 521,142 Value ($000) $20,043 Avg Close $32.18 Range $26.59 - $39.15

Q1 2023

Shares 512,799 Value ($000) $17,004 Avg Close $33.07 Range $29.01 - $38.84

Q4 2022

Shares 488,179 Value ($000) $16,183 Avg Close $31.89 Range $23.32 - $39.10

Q3 2022

Shares 457,179 Value ($000) $11,773 Avg Close $30.61 Range $25.19 - $36.23

Q2 2022

Shares 426,108 Value ($000) $12,686 Avg Close $32.45 Range $27.74 - $43.13

Q1 2022

Shares 422,383 Value ($000) $17,905 Avg Close $47.86 Range $37.72 - $60.49

Q4 2021

Shares 453,943 Value ($000) $26,038 Avg Close $52.01 Range $40.97 - $60.84

Q3 2021

Shares 452,917 Value ($000) $19,295 Avg Close $47.15 Range $39.00 - $56.24

Q2 2021

Shares 416,420 Value ($000) $22,370 Avg Close $53.53 Range $44.18 - $65.33

Q1 2021

Shares 380,243 Value ($000) $22,070 Avg Close $46.05 Range $31.59 - $59.42

Q4 2020

Shares 346,343 Value ($000) $10,789 Avg Close $27.90 Range $21.08 - $37.02

Q3 2020

Shares 322,688 Value ($000) $6,925 Avg Close $24.28 Range $19.08 - $31.10

Q2 2020

Shares 315,466 Value ($000) $7,139 Avg Close $19.01 Range $12.37 - $24.86

Q1 2020

Shares 277,842 Value ($000) $3,835 Avg Close $21.23 Range $11.79 - $30.00

Q4 2019

Shares 242,815 Value ($000) $5,699 Avg Close $20.22 Range $13.94 - $24.24

Q3 2019

Shares 239,216 Value ($000) $3,501 Avg Close $13.88 Range $11.20 - $16.67

Q2 2019

Shares 230,840 Value ($000) $3,214 Avg Close $12.74 Range $10.50 - $14.82

Q1 2019

Shares 223,782 Value ($000) $2,317 Avg Close $10.73 Range $8.10 - $13.12

Q4 2018

Shares 280,832 Value ($000) $2,379 Avg Close $9.78 Range $6.94 - $13.00

Q3 2018

Shares 300,970 Value ($000) $3,778 Avg Close $14.54 Range $12.28 - $17.35

Q2 2018

Shares 307,534 Value ($000) $5,106 Avg Close $17.54 Range $15.36 - $19.59

Q1 2018

Shares 298,206 Value ($000) $5,741 Avg Close $21.09 Range $16.29 - $27.20

Q4 2017

Shares 255,210 Value ($000) $5,893 Avg Close $25.63 Range $18.86 - $34.59

Q3 2017

Shares 221,470 Value ($000) $6,782 Avg Close $23.64 Range $18.41 - $30.92

Q2 2017

Shares 109,440 Value ($000) $2,052 Avg Close $20.12 Range $14.93 - $26.21

Q1 2017

Shares 55,500 Value ($000) $937 Avg Close $13.27 Range $9.42 - $16.99

Q4 2016

Shares 43,300 Value ($000) $421 Avg Close $9.08 Range $7.06 - $10.65

Q3 2016

Shares 43,300 Value ($000) $321 Avg Close $6.56 Range $5.40 - $7.50

Q2 2016

Shares 43,300 Value ($000) $247 Avg Close $5.52 Range $4.95 - $6.07

Q1 2016

Shares 43,300 Value ($000) $233 Avg Close $5.07 Range $4.50 - $5.72

Q4 2015

Shares 43,300 Value ($000) $222 Avg Close $5.17 Range $4.60 - $5.91

Q3 2015

Shares 43,300 Value ($000) $249 Avg Close $6.60 Range $5.29 - $8.16

Q2 2015

Shares 43,300 Value ($000) $270 Avg Close $6.46 Range $5.26 - $7.51

Q1 2015

Shares 43,300 Value ($000) $310 Avg Close $8.80 Range $7.14 - $10.29

Q4 2014

Shares 77,342 Value ($000) $718 Avg Close $8.47 Range $7.32 - $9.51

Q3 2014

Shares 123,600 Value ($000) $1,107 Avg Close $9.32 Range $8.58 - $10.29

Q2 2014

Shares 123,600 Value ($000) $1,119 Avg Close $9.56 Range $7.62 - $13.89

Q1 2014

Shares 95,900 Value ($000) $1,262 Avg Close $12.49 Range $9.51 - $15.00

Q4 2013

Shares 95,900 Value ($000) $962 Avg Close $9.00 Range $6.53 - $10.66

Q3 2013

Shares 95,900 Value ($000) $653 Avg Close $6.67 Range $6.00 - $7.11

Q2 2013

Shares 95,900 Value ($000) $585 Avg Close $6.00 Range $4.52 - $6.45

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	821,088	$20,798	$26.60	$21.49 - $31.11
Q3 2025	777,101	$21,176	$24.59	$21.28 - $29.72
Q2 2025	737,254	$16,640	$20.53	$16.66 - $23.22
Q1 2025	671,539	$14,378	$31.93	$20.86 - $40.10
Q4 2024	678,223	$24,382	$36.98	$32.08 - $41.84
Q3 2024	647,288	$25,846	$41.01	$32.33 - $56.47
Q2 2024	629,288	$30,835	$44.88	$38.16 - $50.51
Q1 2024	615,954	$28,297	$40.62	$31.01 - $49.25
Q4 2023	591,891	$20,207	$27.80	$22.15 - $35.54
Q3 2023	545,815	$16,194	$33.70	$28.04 - $40.80
Q2 2023	521,142	$20,043	$32.18	$26.59 - $39.15
Q1 2023	512,799	$17,004	$33.07	$29.01 - $38.84
Q4 2022	488,179	$16,183	$31.89	$23.32 - $39.10
Q3 2022	457,179	$11,773	$30.61	$25.19 - $36.23
Q2 2022	426,108	$12,686	$32.45	$27.74 - $43.13
Q1 2022	422,383	$17,905	$47.86	$37.72 - $60.49
Q4 2021	453,943	$26,038	$52.01	$40.97 - $60.84
Q3 2021	452,917	$19,295	$47.15	$39.00 - $56.24
Q2 2021	416,420	$22,370	$53.53	$44.18 - $65.33
Q1 2021	380,243	$22,070	$46.05	$31.59 - $59.42
Q4 2020	346,343	$10,789	$27.90	$21.08 - $37.02
Q3 2020	322,688	$6,925	$24.28	$19.08 - $31.10
Q2 2020	315,466	$7,139	$19.01	$12.37 - $24.86
Q1 2020	277,842	$3,835	$21.23	$11.79 - $30.00
Q4 2019	242,815	$5,699	$20.22	$13.94 - $24.24
Q3 2019	239,216	$3,501	$13.88	$11.20 - $16.67
Q2 2019	230,840	$3,214	$12.74	$10.50 - $14.82
Q1 2019	223,782	$2,317	$10.73	$8.10 - $13.12
Q4 2018	280,832	$2,379	$9.78	$6.94 - $13.00
Q3 2018	300,970	$3,778	$14.54	$12.28 - $17.35
Q2 2018	307,534	$5,106	$17.54	$15.36 - $19.59
Q1 2018	298,206	$5,741	$21.09	$16.29 - $27.20
Q4 2017	255,210	$5,893	$25.63	$18.86 - $34.59
Q3 2017	221,470	$6,782	$23.64	$18.41 - $30.92
Q2 2017	109,440	$2,052	$20.12	$14.93 - $26.21
Q1 2017	55,500	$937	$13.27	$9.42 - $16.99
Q4 2016	43,300	$421	$9.08	$7.06 - $10.65
Q3 2016	43,300	$321	$6.56	$5.40 - $7.50
Q2 2016	43,300	$247	$5.52	$4.95 - $6.07
Q1 2016	43,300	$233	$5.07	$4.50 - $5.72
Q4 2015	43,300	$222	$5.17	$4.60 - $5.91
Q3 2015	43,300	$249	$6.60	$5.29 - $8.16
Q2 2015	43,300	$270	$6.46	$5.26 - $7.51
Q1 2015	43,300	$310	$8.80	$7.14 - $10.29
Q4 2014	77,342	$718	$8.47	$7.32 - $9.51
Q3 2014	123,600	$1,107	$9.32	$8.58 - $10.29
Q2 2014	123,600	$1,119	$9.56	$7.62 - $13.89
Q1 2014	95,900	$1,262	$12.49	$9.51 - $15.00
Q4 2013	95,900	$962	$9.00	$6.53 - $10.66
Q3 2013	95,900	$653	$6.67	$6.00 - $7.11
Q2 2013	95,900	$585	$6.00	$4.52 - $6.45