Skip to main content

SEI INVESTMENTS CO

Position in ECVT — Ecovyst Inc.

CIK 350894 OAKS, PA

Position in ECVT

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$5,882,836
-$6,180,242 QoQ
Shares Held
472,517
-49.6% QoQ
Ownership
0.432%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#41
of 208 holders
Holding Since
Mar 2020
24 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

SEI INVESTMENTS CO holds $1,278,530,176 across 42 Specialty Chemicals names. ECVT ranks #24 (0.5% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ECVT

Export CSV
24 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $5,882,836 472,517
2026-03-31 $12,063,078 938,031
2025-12-31 $5,061,244 520,169
2025-09-30 $1,605,637 183,292
2025-06-30 $1,510,427 183,527
2025-03-31 $1,156,169 186,479
2024-12-31 $1,630,642 213,435
2024-09-30 $1,529,439 223,276
2024-06-30 $7,344,366 818,770
2024-03-31 $5,811,112 521,176
2023-12-31 $3,217,622 329,337
2023-09-30 $3,671,156 373,085
2023-06-30 $5,954,489 519,589
2023-03-31 $4,879,005 441,539
2022-12-31 $1,269,496 143,284
2022-09-30 $947,381 112,249
2022-06-30 $679,068 68,941
2022-03-31 $423,096 36,600
2021-12-31 $544,768 53,200
2021-09-30 $460,570 39,500
2021-06-30 PQG 17,300
2020-12-31 PQG 17,300
2020-06-30 PQG 30,362
2020-03-31 PQG 30,562