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RHUMBLINE ADVISERS

Position in ECVT — Ecovyst Inc.

CIK 1115418 BOSTON, MA

Position in ECVT

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$1,843,832
-$106,618 QoQ
Shares Held
148,099
-2.4% QoQ
Ownership
0.135%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#73
of 208 holders
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 23% Shared 0% None 77%

Common Shares in ECVT Over Time

Shares Held

Position Value (USD)

Position in Specialty Chemicals

Basic Materials · as of Jun 30, 2026

RHUMBLINE ADVISERS holds $1,281,123,997 across 50 Specialty Chemicals names. ECVT ranks #35 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ECVT

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25 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,843,832 148,099
2026-03-31 $1,950,450 151,668
2025-12-31 $1,482,754 152,390
2025-09-30 $1,557,449 177,791
2025-06-30 $1,415,979 172,051
2025-03-31 $1,090,022 175,810
2024-12-31 $1,881,823 246,312
2024-09-30 $1,257,495 183,576
2024-06-30 $1,636,199 182,408
2024-03-31 $1,661,383 149,003
2023-12-31 $1,507,442 154,293
2023-09-30 $1,512,880 153,748
2023-06-30 $1,715,332 149,680
2023-03-31 $1,358,940 122,981
2022-12-31 $1,025,403 115,734
2022-09-30 $969,393 114,857
2022-06-30 $909,913 92,377
2022-03-31 $797,085 68,952
2021-12-31 $715,571 69,880
2021-09-30 $825,201 70,772
2021-06-30 PQG 68,372
2020-12-31 PQG 63,368
2020-09-30 PQG 56,246
2020-06-30 PQG 64,061
2020-03-31 PQG 61,761