Ken Griffin
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Ken Griffin’s Ecovyst ECVT Stock Holding History

Ken Griffin’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

RCMNY
Rubric Capital Management (New York) New York $9.44B AUM 68.42% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Hotchkis & Wiley Capital Management
Hotchkis & Wiley Capital Management Los Angeles, California $32.4B AUM 17.21% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Brown Advisory
Brown Advisory Baltimore, Maryland $60.9B AUM 15.24% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Allspring Global Investments
Allspring Global Investments Charlotte, North Carolina $65.2B AUM 39.42% 1-Year Est. Return

Ken Griffin's ECVT Position: Q1 2026 in Review

Ken Griffin increased its Ecovyst (ECVT) stake by 2,157% in Q1 2026, buying an estimated $7.01M and bringing the position to 649,778 shares worth $8.36M. The position accounts for ﹤0.01% of the portfolio, ranked #3506.

Ken Griffin first reported a position in ECVT in Q4 2018 and has held it in 25 quarters since. The position peaked at $32.7M in Q2 2021. 197 funds tracked by Wall St. Rank hold ECVT as of Q1 2026.

  • Ken Griffin held 649,778 shares of Ecovyst worth $8.36M as of Q1 2026.
  • Ken Griffin bought 620,991 Ecovyst shares in Q1 2026, an estimated $7.01M.
  • Ecovyst made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #3506 holding.
  • Ken Griffin first reported a position in Ecovyst in Q4 2018 and has held it in 25 quarters since.
  • Ken Griffin's Ecovyst position peaked at $32.7M in Q2 2021.
  • 197 funds tracked by Wall St. Rank held Ecovyst as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.