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ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

Position in OEC — Orion S.A.

CIK 1164508 BOSTON, MA

Position in OEC

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$303,140
-$339,267 QoQ
Shares Held
46,637
-61.7% QoQ
Ownership
0.083%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
16 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in OEC Over Time

Shares Held

Position Value (USD)

Position in Specialty Chemicals

Basic Materials · as of Jun 30, 2026

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP holds $2,726,648,353 across 32 Specialty Chemicals names.

# Ticker Company Shares Value (USD) Open

All Filings in OEC

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16 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $303,140 46,637
2025-12-31 $642,407 121,668
2025-09-30 $2,048,343 270,230
2025-06-30 $2,384,911 227,351
2025-03-31 $2,608,511 201,741
2024-09-30 $899,137 50,485
2024-06-30 $701,707 31,983
2023-06-30 $3,212,771 151,403
2021-12-31 $2,376,481 129,438
2021-09-30 $5,722,305 313,895
2021-06-30 $8,382,242 441,403
2021-03-31 $4,422,545 224,267
2020-12-31 $7,252,225 423,117
2020-09-30 $6,635,141 530,387
2020-06-30 $4,584,622 432,920
2020-03-31 $2,029,866 272,100