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ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

Position in ECVT — Ecovyst Inc.

CIK 1164508 BOSTON, MA

Position in ECVT

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$63,905,190
+$1,803,813 QoQ
Shares Held
5,132,947
+6.3% QoQ
Ownership
4.69%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#6
of 206 holders
Holding Since
Sep 2021
11 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ECVT 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. ECVT ranks #6 (2.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 ECVT
Ecovyst Inc.
This page
5,132,947 $63,905,190

All Filings in ECVT

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11 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $63,905,190 5,132,947
2026-03-31 $62,101,377 4,829,034
2025-12-31 $13,554,785 1,393,092
2025-09-30 $6,031,408 688,517
2025-06-30 $128,832 15,654
2022-12-31 $824,352 93,042
2022-09-30 $5,663,408 671,020
2022-06-30 $6,714,085 681,633
2022-03-31 $9,388,107 812,120
2021-12-31 $9,040,332 882,845
2021-09-30 $9,822,908 842,445