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John Overdeck’s Ecovyst ECVT Stock Holding History

John Overdeck’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 		$4.11M Buy
329,773
+91,770
+39% +$1.24M ﹤0.01% 2320
2026
Q1 		$3.06M Buy
+238,003
New +$2.69M ﹤0.01% 2425
2025
Q3 		– Sell
-115,998
Closed -$955K – 3707
2025
Q2 		$955K Sell
115,998
-180,087
-61% -$1.26M ﹤0.01% 2281
2025
Q1 		$1.84M Sell
296,085
-170,622
-37% -$1.26M ﹤0.01% 1788
2024
Q4 		$3.57M Sell
466,707
-26,285
-5% -$194K 0.01% 1322
2024
Q3 		$3.38M Buy
492,992
+109,436
+29% +$834K 0.01% 1314
2024
Q2 		$3.44M Sell
383,556
-82,040
-18% -$793K 0.01% 1195
2024
Q1 		$5.19M Buy
465,596
+86,963
+23% +$823K 0.01% 947
2023
Q4 		$3.7M Buy
378,633
+201,811
+114% +$1.92M 0.01% 1144
2023
Q3 		$1.74M Sell
176,822
-100,626
-36% -$1.08M ﹤0.01% 1503
2023
Q2 		$3.18M Sell
277,448
-678,345
-71% -$7.38M 0.01% 1155
2023
Q1 		$10.6M Buy
955,793
+390,599
+69% +$4.04M 0.03% 572
2022
Q4 		$5.01M Buy
565,194
+137,472
+32% +$1.27M 0.02% 862
2022
Q3 		$3.61M Buy
427,722
+185,546
+77% +$1.76M 0.01% 882
2022
Q2 		$2.38M Sell
242,176
-22,958
-9% -$238K 0.01% 1101
2022
Q1 		$3.06M Buy
265,134
+123,951
+88% +$1.3M 0.01% 1154
2021
Q4 		$1.45M Buy
141,183
+109,783
+350% +$1.2M ﹤0.01% 2226
2021
Q3 		$366K Buy
+31,400
New +$429K ﹤0.01% 3514
2020
Q4 		– Sell
-51,818
Closed -$532K – 3429
2020
Q3 		$532K Buy
+51,818
New +$632K ﹤0.01% 2199
2018
Q1 		– Sell
-21,238
Closed -$349K – 3225
2017
Q4 		$349K Buy
+21,238
New +$348K ﹤0.01% 2655

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

John Overdeck's ECVT Position: Q2 2026 in Review

John Overdeck increased its Ecovyst (ECVT) stake by 39% in Q2 2026, buying an estimated $1.24M and bringing the position to 329,773 shares worth $4.11M. The position accounts for ﹤0.01% of the portfolio, ranked #2320.

John Overdeck first reported a position in ECVT in Q4 2017 and has held it in 20 quarters since. The position peaked at $10.6M in Q1 2023. 207 funds tracked by Wall St. Rank hold ECVT as of Q2 2026.

  • John Overdeck held 329,773 shares of Ecovyst worth $4.11M as of Q2 2026.
  • John Overdeck bought 91,770 Ecovyst shares in Q2 2026, an estimated $1.24M.
  • Ecovyst made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #2320 holding.
  • John Overdeck first reported a position in Ecovyst in Q4 2017 and has held it in 20 quarters since.
  • John Overdeck's Ecovyst position peaked at $10.6M in Q1 2023.
  • 207 funds tracked by Wall St. Rank held Ecovyst as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.