SEI Investments’s Ecovyst ECVT Stock Holding History

SEI Investments’s Portfolio ECVT Stock Details ECVT Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$12.1M	Buy	938,031 +417,862	+80%	+$4.72M	0.01%	1030
2025 Q4	$5.06M	Buy	520,169 +336,877	+184%	+$2.94M	0.01%	1368
2025 Q3	$1.61M	Sell	183,292 -235	-0.1%	-$2.07K	﹤0.01%	1784
2025 Q2	$1.51M	Sell	183,527 -2,952	-2%	-$20.7K	﹤0.01%	1756
2025 Q1	$1.16M	Sell	186,479 -26,956	-13%	-$200K	﹤0.01%	1852
2024 Q4	$1.63M	Sell	213,435 -9,841	-4%	-$72.7K	﹤0.01%	1745
2024 Q3	$1.53M	Sell	223,276 -595,494	-73%	-$4.54M	﹤0.01%	1795
2024 Q2	$7.34M	Buy	818,770 +297,594	+57%	+$2.88M	0.01%	1053
2024 Q1	$5.81M	Buy	521,176 +191,839	+58%	+$1.82M	0.01%	1141
2023 Q4	$3.22M	Sell	329,337 -43,748	-12%	-$416K	0.01%	1386
2023 Q3	$3.67M	Sell	373,085 -146,504	-28%	-$1.57M	0.01%	1310
2023 Q2	$5.95M	Buy	519,589 +78,050	+18%	+$850K	0.01%	1117
2023 Q1	$4.88M	Buy	441,539 +298,255	+208%	+$3.08M	0.01%	1193
2022 Q4	$1.27M	Buy	143,284 +31,035	+28%	+$286K	﹤0.01%	1672
2022 Q3	$947K	Buy	112,249 +43,308	+63%	+$412K	﹤0.01%	1824
2022 Q2	$679K	Buy	68,941 +32,341	+88%	+$336K	﹤0.01%	1974
2022 Q1	$423K	Sell	36,600 -16,600	-31%	-$174K	﹤0.01%	2158
2021 Q4	$545K	Buy	53,200 +13,700	+35%	+$150K	﹤0.01%	2063
2021 Q3	$461K	Buy	39,500 +22,200	+128%	+$303K	﹤0.01%	2113
2021 Q2	$266K	Hold	17,300	–	–	﹤0.01%	2358
2021 Q1	$289K	Hold	17,300	–	–	﹤0.01%	2265
2020 Q4	$247K	Buy	+17,300	New	+$219K	﹤0.01%	2289
2020 Q3	–	Sell	-30,362	Closed	-$402K	–	2431
2020 Q2	$402K	Sell	30,362 -200	-0.7%	-$2.35K	﹤0.01%	1948
2020 Q1	$334K	Buy	+30,562	New	+$425K	﹤0.01%	1878
2019 Q2	–	Sell	-33,800	Closed	-$513K	–	2489
2019 Q1	$513K	Buy	+33,800	New	+$518K	﹤0.01%	1870
2018 Q3	–	Sell	-23	Closed	–	–	2705
2018 Q2	$0	Buy	+23	New	+$359	﹤0.01%	3651

Other funds holding ECVT

RCMNY

Rubric Capital Management (New York) New York $9.44B AUM 68.42% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Hotchkis & Wiley Capital Management Los Angeles, California $32.4B AUM 17.21% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Brown Advisory Baltimore, Maryland $60.9B AUM 15.24% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Allspring Global Investments Charlotte, North Carolina $59.7B AUM 29.08% 1-Year Est. Return

SEI Investments's ECVT Position: Q1 2026 in Review

SEI Investments increased its Ecovyst (ECVT) stake by 80% in Q1 2026, buying an estimated $4.72M and bringing the position to 938,031 shares worth $12.1M. The position accounts for 0.01% of the portfolio, ranked #1030.

SEI Investments first reported a position in ECVT in Q2 2018 and has held it in 26 quarters since. 197 funds tracked by Wall St. Rank hold ECVT as of Q1 2026.

SEI Investments held 938,031 shares of Ecovyst worth $12.1M as of Q1 2026.
SEI Investments bought 417,862 Ecovyst shares in Q1 2026, an estimated $4.72M.
Ecovyst made up 0.01% of SEI Investments's portfolio in Q1 2026, its #1030 holding.
SEI Investments first reported a position in Ecovyst in Q2 2018 and has held it in 26 quarters since.
197 funds tracked by Wall St. Rank held Ecovyst as of Q1 2026.

Based on SEI Investments's 13F filing for Q1 2026, filed 13 May 2026.