Citadel Advisors
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Citadel Advisors’s Ecovyst ECVT Stock Holding History

Citadel Advisors’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
2025
Q2 		– Sell
-100
Closed -$620 – 13116
2025
Q1 		$620 Buy
+100
New +$740 ﹤0.01% 14234
2024
Q4 		– Sell
-400
Closed -$2.74K – 14703
2024
Q3 		$2.74K Buy
+400
New +$3.05K ﹤0.01% 13720
2023
Q2 		– Sell
-500
Closed -$5.53K – 14521
2023
Q1 		$5.53K Buy
500
+100
+25% +$1.03K ﹤0.01% 13860
2022
Q4 		$3.54K Buy
+400
New +$3.69K ﹤0.01% 14201

Other funds holding ECVT

BlackRock
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
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Brown Advisory
Brown Advisory Baltimore, Maryland $64.6B AUM 18.98% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Citadel Advisors's ECVT Position: Q2 2026 in Review

Citadel Advisors reduced its Ecovyst (ECVT) stake by 32% in Q2 2026, selling an estimated $2.85M and leaving 439,630 shares worth $5.47M. The position accounts for ﹤0.01% of the portfolio, ranked #4562.

Citadel Advisors first reported a position in ECVT in Q4 2018 and has held it in 26 quarters since. The position peaked at $32.7M in Q2 2021. 208 funds tracked by Wall St. Rank hold ECVT as of Q2 2026.

  • Citadel Advisors held 439,630 shares of Ecovyst worth $5.47M as of Q2 2026.
  • Citadel Advisors sold 210,148 Ecovyst shares in Q2 2026, an estimated $2.85M.
  • Ecovyst made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #4562 holding.
  • Citadel Advisors first reported a position in Ecovyst in Q4 2018 and has held it in 26 quarters since.
  • Citadel Advisors's Ecovyst position peaked at $32.7M in Q2 2021.
  • 208 funds tracked by Wall St. Rank held Ecovyst as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.