OCEANEERING INTL INC

Ticker: OII CUSIP: 675232102 Class: COM

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q4 2025

Shares 93,563 Value ($000) $2,248 Avg Close $24.15 Range $22.02 - $27.71

Q3 2025

Shares 93,347 Value ($000) $2,313 Avg Close $22.93 Range $20.21 - $26.30

Q2 2025

Shares 93,342 Value ($000) $1,934 Avg Close $19.28 Range $15.46 - $22.69

Q1 2025

Shares 92,708 Value ($000) $2,022 Avg Close $23.74 Range $18.87 - $28.31

Q4 2024

Shares 94,890 Value ($000) $2,475 Avg Close $26.45 Range $22.98 - $30.98

Q3 2024

Shares 95,892 Value ($000) $2,385 Avg Close $25.76 Range $21.75 - $30.45

Q2 2024

Shares 98,367 Value ($000) $2,327 Avg Close $23.11 Range $20.75 - $25.66

Q1 2024

Shares 100,720 Value ($000) $2,357 Avg Close $20.99 Range $18.95 - $23.70

Q4 2023

Shares 106,352 Value ($000) $2,263 Avg Close $22.16 Range $18.67 - $26.29

Q3 2023

Shares 111,265 Value ($000) $2,862 Avg Close $22.84 Range $18.56 - $27.46

Q2 2023

Shares 122,122 Value ($000) $2,284 Avg Close $17.23 Range $14.99 - $19.00

Q1 2023

Shares 125,293 Value ($000) $2,209 Avg Close $19.28 Range $15.75 - $22.26

Q4 2022

Shares 127,166 Value ($000) $2,224 Avg Close $13.29 Range $8.35 - $17.55

Q3 2022

Shares 125,769 Value ($000) $1,001 Avg Close $9.40 Range $7.25 - $11.39

Q2 2022

Shares 127,630 Value ($000) $1,363 Avg Close $12.30 Range $8.56 - $16.18

Q1 2022

Shares 127,190 Value ($000) $1,928 Avg Close $14.39 Range $11.39 - $18.20

Q4 2021

Shares 138,362 Value ($000) $1,565 Avg Close $12.96 Range $10.22 - $16.36

Q3 2021

Shares 135,371 Value ($000) $1,803 Avg Close $13.04 Range $10.71 - $16.75

Q2 2021

Shares 137,205 Value ($000) $2,136 Avg Close $13.94 Range $9.41 - $18.20

Q1 2021

Shares 149,652 Value ($000) $1,709 Avg Close $11.09 Range $7.94 - $15.40

Q4 2020

Shares 153,484 Value ($000) $1,220 Avg Close $5.84 Range $3.31 - $8.90

Q3 2020

Shares 171,741 Value ($000) $605 Avg Close $5.28 Range $3.34 - $6.55

Q2 2020

Shares 168,075 Value ($000) $1,074 Avg Close $5.27 Range $2.45 - $8.95

Q1 2020

Shares 163,889 Value ($000) $482 Avg Close $10.44 Range $2.01 - $16.00

Q4 2019

Shares 164,968 Value ($000) $2,460 Avg Close $13.91 Range $12.19 - $15.41

Q3 2019

Shares 167,521 Value ($000) $2,270 Avg Close $15.15 Range $11.38 - $21.29

Q2 2019

Shares 163,706 Value ($000) $3,338 Avg Close $17.70 Range $15.22 - $20.42

Q1 2019

Shares 161,902 Value ($000) $2,553 Avg Close $15.49 Range $11.63 - $17.19

Q4 2018

Shares 165,291 Value ($000) $2,000 Avg Close $18.81 Range $10.74 - $27.85

Q3 2018

Shares 161,380 Value ($000) $4,454 Avg Close $26.65 Range $24.69 - $28.62

Q2 2018

Shares 161,200 Value ($000) $4,104 Avg Close $22.39 Range $17.72 - $25.72

Q1 2018

Shares 169,088 Value ($000) $3,135 Avg Close $20.05 Range $17.41 - $23.56

Q4 2017

Shares 173,424 Value ($000) $3,666 Avg Close $21.26 Range $17.11 - $26.04

Q3 2017

Shares 171,442 Value ($000) $4,504 Avg Close $24.21 Range $21.43 - $26.95

Q2 2017

Shares 180,917 Value ($000) $4,133 Avg Close $25.44 Range $20.74 - $28.21

Q1 2017

Shares 200,366 Value ($000) $5,426 Avg Close $27.32 Range $24.57 - $29.53

Q4 2016

Shares 209,466 Value ($000) $5,909 Avg Close $26.94 Range $22.47 - $32.12

Q3 2016

Shares 214,766 Value ($000) $5,908 Avg Close $27.68 Range $24.33 - $31.55

Q2 2016

Shares 213,066 Value ($000) $6,362 Avg Close $32.63 Range $28.36 - $36.92

Q1 2016

Shares 214,671 Value ($000) $7,136 Avg Close $31.14 Range $25.33 - $39.04

Q4 2015

Shares 187,794 Value ($000) $7,046 Avg Close $42.79 Range $36.87 - $48.11

Q3 2015

Shares 184,791 Value ($000) $7,259 Avg Close $41.47 Range $37.00 - $46.86

Q2 2015

Shares 180,343 Value ($000) $8,402 Avg Close $52.58 Range $46.05 - $59.65

Q1 2015

Shares 182,420 Value ($000) $9,838 Avg Close $53.35 Range $48.37 - $59.37

Q4 2014

Shares 201,320 Value ($000) $11,840 Avg Close $64.22 Range $56.58 - $72.19

Q3 2014

Shares 199,368 Value ($000) $12,993 Avg Close $69.09 Range $62.86 - $79.05

Q2 2014

Shares 200,476 Value ($000) $15,663 Avg Close $73.36 Range $68.96 - $78.13

Q1 2014

Shares 196,836 Value ($000) $14,145 Avg Close $71.61 Range $66.00 - $79.13

Q4 2013

Shares 195,936 Value ($000) $15,455 Avg Close $81.19 Range $75.60 - $87.64

Q3 2013

Shares 194,536 Value ($000) $15,804 Avg Close $80.37 Range $72.70 - $84.64

Q2 2013

Shares 188,542 Value ($000) $13,613 Avg Close $69.83 Range $58.08 - $76.60

Q1 2013

Shares 188,273 Value ($000) $12,503 Avg Close $61.94 Range $54.27 - $67.11

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	93,563	$2,248	$24.15	$22.02 - $27.71
Q3 2025	93,347	$2,313	$22.93	$20.21 - $26.30
Q2 2025	93,342	$1,934	$19.28	$15.46 - $22.69
Q1 2025	92,708	$2,022	$23.74	$18.87 - $28.31
Q4 2024	94,890	$2,475	$26.45	$22.98 - $30.98
Q3 2024	95,892	$2,385	$25.76	$21.75 - $30.45
Q2 2024	98,367	$2,327	$23.11	$20.75 - $25.66
Q1 2024	100,720	$2,357	$20.99	$18.95 - $23.70
Q4 2023	106,352	$2,263	$22.16	$18.67 - $26.29
Q3 2023	111,265	$2,862	$22.84	$18.56 - $27.46
Q2 2023	122,122	$2,284	$17.23	$14.99 - $19.00
Q1 2023	125,293	$2,209	$19.28	$15.75 - $22.26
Q4 2022	127,166	$2,224	$13.29	$8.35 - $17.55
Q3 2022	125,769	$1,001	$9.40	$7.25 - $11.39
Q2 2022	127,630	$1,363	$12.30	$8.56 - $16.18
Q1 2022	127,190	$1,928	$14.39	$11.39 - $18.20
Q4 2021	138,362	$1,565	$12.96	$10.22 - $16.36
Q3 2021	135,371	$1,803	$13.04	$10.71 - $16.75
Q2 2021	137,205	$2,136	$13.94	$9.41 - $18.20
Q1 2021	149,652	$1,709	$11.09	$7.94 - $15.40
Q4 2020	153,484	$1,220	$5.84	$3.31 - $8.90
Q3 2020	171,741	$605	$5.28	$3.34 - $6.55
Q2 2020	168,075	$1,074	$5.27	$2.45 - $8.95
Q1 2020	163,889	$482	$10.44	$2.01 - $16.00
Q4 2019	164,968	$2,460	$13.91	$12.19 - $15.41
Q3 2019	167,521	$2,270	$15.15	$11.38 - $21.29
Q2 2019	163,706	$3,338	$17.70	$15.22 - $20.42
Q1 2019	161,902	$2,553	$15.49	$11.63 - $17.19
Q4 2018	165,291	$2,000	$18.81	$10.74 - $27.85
Q3 2018	161,380	$4,454	$26.65	$24.69 - $28.62
Q2 2018	161,200	$4,104	$22.39	$17.72 - $25.72
Q1 2018	169,088	$3,135	$20.05	$17.41 - $23.56
Q4 2017	173,424	$3,666	$21.26	$17.11 - $26.04
Q3 2017	171,442	$4,504	$24.21	$21.43 - $26.95
Q2 2017	180,917	$4,133	$25.44	$20.74 - $28.21
Q1 2017	200,366	$5,426	$27.32	$24.57 - $29.53
Q4 2016	209,466	$5,909	$26.94	$22.47 - $32.12
Q3 2016	214,766	$5,908	$27.68	$24.33 - $31.55
Q2 2016	213,066	$6,362	$32.63	$28.36 - $36.92
Q1 2016	214,671	$7,136	$31.14	$25.33 - $39.04
Q4 2015	187,794	$7,046	$42.79	$36.87 - $48.11
Q3 2015	184,791	$7,259	$41.47	$37.00 - $46.86
Q2 2015	180,343	$8,402	$52.58	$46.05 - $59.65
Q1 2015	182,420	$9,838	$53.35	$48.37 - $59.37
Q4 2014	201,320	$11,840	$64.22	$56.58 - $72.19
Q3 2014	199,368	$12,993	$69.09	$62.86 - $79.05
Q2 2014	200,476	$15,663	$73.36	$68.96 - $78.13
Q1 2014	196,836	$14,145	$71.61	$66.00 - $79.13
Q4 2013	195,936	$15,455	$81.19	$75.60 - $87.64
Q3 2013	194,536	$15,804	$80.37	$72.70 - $84.64
Q2 2013	188,542	$13,613	$69.83	$58.08 - $76.60
Q1 2013	188,273	$12,503	$61.94	$54.27 - $67.11