ORION ENGINEERED CARBONS S A

Ticker: OEC CUSIP: L72967109 Class: Common Stock

ACADIAN ASSET MANAGEMENT LLC's Holding History (CIK: 0000916542)

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

Q4 2025

Shares 257,259 Value ($000) $1 Avg Close $5.42 Range $4.34 - $7.58

Q3 2025

Shares 75,778 Value ($000) $1 Avg Close $10.11 Range $7.32 - $11.62

Q2 2025

Shares 3,252 Value ($000) $0 Avg Close $11.31 Range $9.59 - $12.97

Q3 2024

Shares 2,496 Value ($000) $0 Avg Close $19.27 Range $15.54 - $24.85

Q3 2023

Shares 4,529 Value ($000) $0 Avg Close $21.83 Range $19.55 - $23.57

Q2 2023

Shares 90,980 Value ($000) $2 Avg Close $24.10 Range $20.60 - $26.57

Q1 2023

Shares 77,992 Value ($000) $2 Avg Close $22.61 Range $17.43 - $26.91

Q2 2022

Shares 5,424 Value ($000) $84 Avg Close $16.75 Range $13.84 - $20.63

Q3 2021

Shares 16,995 Value ($000) $309 Avg Close $17.89 Range $16.30 - $19.39

Q2 2021

Shares 12,966 Value ($000) $245 Avg Close $19.79 Range $17.88 - $22.45

Q1 2021

Shares 38,647 Value ($000) $762 Avg Close $18.01 Range $15.23 - $21.05

Q4 2020

Shares 41,967 Value ($000) $720 Avg Close $15.25 Range $12.37 - $17.46

Q3 2020

Shares 45,615 Value ($000) $570 Avg Close $11.98 Range $9.82 - $15.27

Q2 2020

Shares 20,183 Value ($000) $214 Avg Close $9.24 Range $6.17 - $13.55

Q2 2019

Shares 112,962 Value ($000) $2,418 Avg Close $19.78 Range $17.52 - $21.71

Q1 2019

Shares 335,389 Value ($000) $6,370 Avg Close $25.12 Range $18.09 - $28.51

Q4 2018

Shares 576,338 Value ($000) $14,570 Avg Close $26.08 Range $23.12 - $33.36

Q3 2018

Shares 661,047 Value ($000) $21,220 Avg Close $33.17 Range $30.20 - $36.55

Q2 2018

Shares 461,700 Value ($000) $14,244 Avg Close $29.09 Range $26.10 - $33.95

Q1 2018

Shares 361,577 Value ($000) $9,798 Avg Close $27.91 Range $25.40 - $30.25

Q4 2017

Shares 62,677 Value ($000) $1,604 Avg Close $23.63 Range $22.25 - $25.70

Q2 2017

Shares 143,579 Value ($000) $2,865 Avg Close $18.95 Range $17.15 - $20.85

Q1 2017

Shares 218,699 Value ($000) $4,482 Avg Close $20.55 Range $18.50 - $22.20

Q4 2016

Shares 170,531 Value ($000) $3,216 Avg Close $19.08 Range $17.70 - $20.85

Q3 2016

Shares 106,085 Value ($000) $1,987 Avg Close $17.48 Range $15.13 - $19.41

Q2 2016

Shares 64,025 Value ($000) $1,018 Avg Close $15.01 Range $13.52 - $17.03

Q1 2016

Shares 34,757 Value ($000) $491 Avg Close $12.58 Range $10.33 - $14.95

Q2 2015

Shares 47,693 Value ($000) $882 Avg Close $19.61 Range $17.66 - $21.06

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	257,259	$1	$5.42	$4.34 - $7.58
Q3 2025	75,778	$1	$10.11	$7.32 - $11.62
Q2 2025	3,252	$0	$11.31	$9.59 - $12.97
Q3 2024	2,496	$0	$19.27	$15.54 - $24.85
Q3 2023	4,529	$0	$21.83	$19.55 - $23.57
Q2 2023	90,980	$2	$24.10	$20.60 - $26.57
Q1 2023	77,992	$2	$22.61	$17.43 - $26.91
Q2 2022	5,424	$84	$16.75	$13.84 - $20.63
Q3 2021	16,995	$309	$17.89	$16.30 - $19.39
Q2 2021	12,966	$245	$19.79	$17.88 - $22.45
Q1 2021	38,647	$762	$18.01	$15.23 - $21.05
Q4 2020	41,967	$720	$15.25	$12.37 - $17.46
Q3 2020	45,615	$570	$11.98	$9.82 - $15.27
Q2 2020	20,183	$214	$9.24	$6.17 - $13.55
Q2 2019	112,962	$2,418	$19.78	$17.52 - $21.71
Q1 2019	335,389	$6,370	$25.12	$18.09 - $28.51
Q4 2018	576,338	$14,570	$26.08	$23.12 - $33.36
Q3 2018	661,047	$21,220	$33.17	$30.20 - $36.55
Q2 2018	461,700	$14,244	$29.09	$26.10 - $33.95
Q1 2018	361,577	$9,798	$27.91	$25.40 - $30.25
Q4 2017	62,677	$1,604	$23.63	$22.25 - $25.70
Q2 2017	143,579	$2,865	$18.95	$17.15 - $20.85
Q1 2017	218,699	$4,482	$20.55	$18.50 - $22.20
Q4 2016	170,531	$3,216	$19.08	$17.70 - $20.85
Q3 2016	106,085	$1,987	$17.48	$15.13 - $19.41
Q2 2016	64,025	$1,018	$15.01	$13.52 - $17.03
Q1 2016	34,757	$491	$12.58	$10.33 - $14.95
Q2 2015	47,693	$882	$19.61	$17.66 - $21.06