ORION ENGINEERED CARBONS S A

Ticker: OEC CUSIP: L72967109 Class: Common Stock

Portolan Capital Management, LLC's Holding History (CIK: 0001350290)

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

Q3 2020
Shares 432,911 Value ($000) $5,416 Avg Close $11.98 Range $9.82 - $15.27
Q2 2020
Shares 263,965 Value ($000) $2,795 Avg Close $9.24 Range $6.17 - $13.55
Q2 2018
Shares 89,740 Value ($000) $2,768 Avg Close $29.09 Range $26.10 - $33.95
Q1 2018
Shares 225,499 Value ($000) $6,111 Avg Close $27.91 Range $25.40 - $30.25
Q4 2017
Shares 189,520 Value ($000) $4,852 Avg Close $23.63 Range $22.25 - $25.70
Q2 2017
Shares 135,903 Value ($000) $2,711 Avg Close $18.95 Range $17.15 - $20.85
Q1 2017
Shares 420,360 Value ($000) $8,618 Avg Close $20.55 Range $18.50 - $22.20
Q4 2016
Shares 168,778 Value ($000) $3,181 Avg Close $19.08 Range $17.70 - $20.85
Q3 2016
Shares 300,328 Value ($000) $5,628 Avg Close $17.48 Range $15.13 - $19.41
Q2 2016
Shares 335,728 Value ($000) $5,335 Avg Close $15.01 Range $13.52 - $17.03
Q1 2016
Shares 132,887 Value ($000) $1,876 Avg Close $12.58 Range $10.33 - $14.95