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 Q3	$4.57M	Sell	464,876 -7,641	-2%	-$84.1K	﹤0.01%	1516
2026 Q2	$5.88M	Sell	472,517 -465,514	-50%	-$6.31M	0.01%	1412
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

Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Allspring Global Investments Charlotte, North Carolina $64.1B AUM 28.9% 1-Year Est. Return

Connor, Clark & Lunn Investment Management (CC&L) Vancouver, British Columbia, Canada $57.2B AUM 42.49% 1-Year Est. Return

William Blair Investment Management Chicago, Illinois $30.8B AUM 33.92% 1-Year Est. Return

Legato Capital Management San Francisco, California $1.11B AUM 60.78% 1-Year Est. Return

Ballast Asset Management Dallas, Texas $230M AUM 34.36% 1-Year Est. Return

Nuveen Charlotte, North Carolina $420B AUM 34.97% 1-Year Est. Return

Edgestream Partners Princeton, New Jersey $3.73B AUM 11.34% 1-Year Est. Return

SEI Investments's ECVT Position: Q3 2026 in Review

SEI Investments reduced its Ecovyst (ECVT) stake by 1.6% in Q3 2026, selling an estimated $84.1K and leaving 464,876 shares worth $4.57M. The position accounts for ﹤0.01% of the portfolio, ranked #1516.

SEI Investments first reported a position in ECVT in Q2 2018 and has held it in 28 quarters since. The position peaked at $12.1M in Q1 2026. 98 funds tracked by Wall St. Rank hold ECVT as of Q3 2026.

SEI Investments held 464,876 shares of Ecovyst worth $4.57M as of Q3 2026.
SEI Investments sold 7,641 Ecovyst shares in Q3 2026, an estimated $84.1K.
Ecovyst made up ﹤0.01% of SEI Investments's portfolio in Q3 2026, its #1516 holding.
SEI Investments first reported a position in Ecovyst in Q2 2018 and has held it in 28 quarters since.
SEI Investments's Ecovyst position peaked at $12.1M in Q1 2026.
98 funds tracked by Wall St. Rank held Ecovyst as of Q3 2026.

Based on SEI Investments's 13F filing for Q3 2026, filed 10 Nov 2026.