Group One Trading’s Ecovyst ECVT Stock Holding History

Group One Trading’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	$57.8K	Sell	5,885 -16,112	-73%	-$177K	﹤0.01%	5129
2026 Q2	$274K	Buy	+21,997	New	+$298K	﹤0.01%	4032
2025 Q3	–	Sell	-14,538	Closed	-$128K	–	8562
2025 Q2	$120K	Buy	+14,538	New	+$102K	﹤0.01%	4812
2024 Q1	–	Sell	-3,100	Closed	-$29.3K	–	7248
2023 Q4	$30.3K	Buy	+3,100	New	+$29.5K	﹤0.01%	5432
2023 Q1	–	Sell	-2,536	Closed	-$26.2K	–	7377
2022 Q4	$22.5K	Sell	2,536 -3,704	-59%	-$34.1K	﹤0.01%	5528
2022 Q3	$53K	Sell	6,240 -2,400	-28%	-$22.8K	﹤0.01%	5359
2022 Q2	$85K	Buy	8,640 +1,333	+18%	+$13.8K	﹤0.01%	5130
2022 Q1	$84K	Sell	7,307 -40	-0.5%	-$420	﹤0.01%	5662
2021 Q4	$75K	Buy	7,347 +6,633	+929%	+$72.6K	﹤0.01%	5982
2021 Q3	$8K	Buy	+714	New	+$9.7K	﹤0.01%	7589

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

SEI Investments Oaks, Pennsylvania $113B AUM 26.61% 1-Year Est. Return

Group One Trading's ECVT Position: Q3 2026 in Review

Group One Trading reduced its Ecovyst (ECVT) stake by 73% in Q3 2026, selling an estimated $177K and leaving 5,885 shares worth $57.8K. The position accounts for ﹤0.01% of the portfolio, ranked #5129.

Group One Trading first reported a position in ECVT in Q3 2021 and has held it in 10 quarters since. The position peaked at $274K in Q2 2026. 98 funds tracked by Wall St. Rank hold ECVT as of Q3 2026.

Group One Trading held 5,885 shares of Ecovyst worth $57.8K as of Q3 2026.
Group One Trading sold 16,112 Ecovyst shares in Q3 2026, an estimated $177K.
Ecovyst made up ﹤0.01% of Group One Trading's portfolio in Q3 2026, its #5129 holding.
Group One Trading first reported a position in Ecovyst in Q3 2021 and has held it in 10 quarters since.
Group One Trading's Ecovyst position peaked at $274K in Q2 2026.
98 funds tracked by Wall St. Rank held Ecovyst as of Q3 2026.

Based on Group One Trading's 13F filing for Q3 2026, filed 10 Nov 2026.