Simplex Trading’s Ecovyst ECVT Stock Holding History

Simplex 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 Q2	–	Sell	-300	Closed	-$3.86K	–	9527
2026 Q1	$3.86K	Buy	+300	New	+$3.39K	﹤0.01%	8050
2023 Q3	–	Sell	-200	Closed	-$2K	–	8912
2023 Q2	$2K	Buy	+200	New	+$2.18K	﹤0.01%	8396
2022 Q4	–	Sell	-3,900	Closed	-$32K	–	9448
2022 Q3	$32K	Sell	3,900 -4,100	-51%	-$39K	﹤0.01%	6984
2022 Q2	$78K	Buy	8,000 +6,600	+471%	+$68.6K	﹤0.01%	5902
2022 Q1	$16K	Buy	1,400 +1,300	+1,300%	+$13.6K	﹤0.01%	8448
2021 Q4	$1K	Buy	+100	New	+$1.09K	﹤0.01%	10168
2019 Q1	–	Sell	-5	Closed	-$7K	–	7274
2018 Q4	$7K	Hold	5	–	–	﹤0.01%	6045
2018 Q3	$8K	Buy	+5	New	+$89	﹤0.01%	6520
2018 Q2	–	Sell	-5	Closed	-$1K	–	7465
2018 Q1	$1K	Buy	+5	New	+$75	﹤0.01%	5591

Other funds holding ECVT

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

RCMNY

Rubric Capital Management (New York) New York $10.9B AUM 70.31% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Brown Advisory Baltimore, Maryland $64.6B AUM 18.98% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Simplex Trading's ECVT Position: Q2 2026 in Review

Simplex Trading reduced its Ecovyst (ECVT) stake by 62% in Q2 2026, selling an estimated $241K and leaving 10,694 shares worth $133K. The position accounts for ﹤0.01% of the portfolio, ranked #5214.

Simplex Trading first reported a position in ECVT in Q3 2018 and has held it in 15 quarters since. The position peaked at $524K in Q2 2021. 209 funds tracked by Wall St. Rank hold ECVT as of Q2 2026.

Simplex Trading held 10,694 shares of Ecovyst worth $133K as of Q2 2026.
Simplex Trading sold 17,767 Ecovyst shares in Q2 2026, an estimated $241K.
Ecovyst made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #5214 holding.
Simplex Trading first reported a position in Ecovyst in Q3 2018 and has held it in 15 quarters since.
Simplex Trading's Ecovyst position peaked at $524K in Q2 2021.
209 funds tracked by Wall St. Rank held Ecovyst as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.