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HARBOR CAPITAL ADVISORS, INC.

Position in ECVT — Ecovyst Inc.

CIK 1039128 CHICAGO, IL

Position in ECVT

as of Mar 31, 2026 · filed Apr 28, 2026
Position Value
$3,010,988
-$2,677,627 QoQ
Shares Held
234,136
-60.0% QoQ
Ownership
0.214%
of shares outstanding
% of Portfolio
0.28%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2024
9 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 Mar 31, 2026

HARBOR CAPITAL ADVISORS, INC. holds $13,898,332 across 19 Specialty Chemicals names. ECVT ranks #1 (21.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 ECVT
Ecovyst Inc.
This page
234,136 $3,010,988

All Filings in ECVT

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9 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $3,010,988 234,136
2025-12-31 $5,688,615 584,647
2025-09-30 $4,195,610 478,951
2025-06-30 $16,444,930 1,998,169
2025-03-31 $13,411,430 2,163,134
2024-12-31 $15,283,392 2,000,444
2024-09-30 $12,031,086 1,756,363
2024-06-30 $8,532,577 951,235
2024-03-31 $2,664,214 238,943