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UBS O'Connor’s Ecovyst ECVT Stock Holding History

UBS O'Connor’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
Q3 		– Sell
-450,000
Closed -$3.7M – 337
2025
Q2 		$3.7M Buy
+450,000
New +$3.16M 0.1% 95
2018
Q1 		– Sell
-73,900
Closed -$1.22M – 323
2017
Q4 		$1.22M Sell
73,900
-226,100
-75% -$3.71M 0.02% 230
2017
Q3 		$5.17M Buy
+300,000
New +$5.17M 0.08% 189

Other funds holding ECVT

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
RCMNY
Rubric Capital Management (New York) New York $10.9B AUM 70.31% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Hotchkis & Wiley Capital Management
Hotchkis & Wiley Capital Management Los Angeles, California $34.3B AUM 22.63% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Brown Advisory
Brown Advisory Baltimore, Maryland $64.6B AUM 18.98% 1-Year Est. Return
MP
Mangrove Partners Greenwich, Connecticut $1.52B AUM 36.54% 1-Year Est. Return
Allspring Global Investments
Allspring Global Investments Charlotte, North Carolina $65.2B AUM 39.42% 1-Year Est. Return
SCM
Shapiro Capital Management Atlanta, Georgia $1.65B AUM 26.74% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

UBS O'Connor's ECVT Position: Q3 2025 in Review

UBS O'Connor sold out of Ecovyst (ECVT) in Q3 2025, closing a stake of 450,000 shares — an estimated $3.7M sold.

UBS O'Connor first reported a position in ECVT in Q3 2017 and held it in 3 quarters. The position peaked at $5.17M in Q3 2017. 169 funds tracked by Wall St. Rank hold ECVT as of Q3 2025.

  • UBS O'Connor reported no remaining Ecovyst position as of Q3 2025 after selling out during the quarter.
  • UBS O'Connor sold 450,000 Ecovyst shares in Q3 2025, an estimated $3.7M.
  • UBS O'Connor first reported a position in Ecovyst in Q3 2017 and held it in 3 quarters.
  • UBS O'Connor's Ecovyst position peaked at $5.17M in Q3 2017.
  • 169 funds tracked by Wall St. Rank held Ecovyst as of Q3 2025.

Based on UBS O'Connor's 13F filing for Q3 2025, filed 14 Nov 2025.