CastleKnight Management’s Ecovyst ECVT Stock Holding History

CastleKnight Management’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	$5.9M	Buy	473,548 +106,400	+29%	+$1.44M	0.08%	174
2026 Q1	$4.72M	Hold	367,148	–	–	0.08%	174
2025 Q4	$3.57M	Hold	367,148	–	–	0.08%	145
2025 Q3	$3.22M	Sell	367,148 -601,000	-62%	-$5.3M	0.06%	184
2025 Q2	$7.97M	Buy	968,148 +273,177	+39%	+$1.92M	0.23%	76
2025 Q1	$4.31M	Buy	694,971 +607,647	+696%	+$4.5M	0.17%	90
2024 Q4	$667K	Hold	87,324	–	–	0.02%	288
2024 Q3	$598K	Buy	87,324 +33,000	+61%	+$251K	0.02%	269
2024 Q2	$487K	Hold	54,324	–	–	0.02%	284
2024 Q1	$606K	Hold	54,324	–	–	0.04%	241
2023 Q4	$531K	Hold	54,324	–	–	0.03%	225
2023 Q3	$535K	Hold	54,324	–	–	0.04%	231
2023 Q2	$623K	Sell	54,324 -22,400	-29%	-$244K	0.07%	195
2023 Q1	$848K	Hold	76,724	–	–	0.09%	145
2022 Q4	$680K	Sell	76,724 -75,500	-50%	-$696K	0.09%	117
2022 Q3	$1.28M	Sell	152,224 -4,900	-3%	-$46.6K	0.18%	70
2022 Q2	$1.55M	Buy	157,124 +21,100	+16%	+$219K	0.26%	68
2022 Q1	$1.57M	Buy	136,024 +57,311	+73%	+$601K	0.22%	84
2021 Q4	$806K	Buy	+78,713	New	+$861K	0.17%	107

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

CastleKnight Management's ECVT Position: Q2 2026 in Review

CastleKnight Management increased its Ecovyst (ECVT) stake by 29% in Q2 2026, buying an estimated $1.44M and bringing the position to 473,548 shares worth $5.9M. The position accounts for 0.08% of the portfolio, ranked #174.

CastleKnight Management first reported a position in ECVT in Q4 2021 and has held it in 19 quarters since. The position peaked at $7.97M in Q2 2025. 209 funds tracked by Wall St. Rank hold ECVT as of Q2 2026.

CastleKnight Management held 473,548 shares of Ecovyst worth $5.9M as of Q2 2026.
CastleKnight Management bought 106,400 Ecovyst shares in Q2 2026, an estimated $1.44M.
Ecovyst made up 0.08% of CastleKnight Management's portfolio in Q2 2026, its #174 holding.
CastleKnight Management first reported a position in Ecovyst in Q4 2021 and has held it in 19 quarters since.
CastleKnight Management's Ecovyst position peaked at $7.97M in Q2 2025.
209 funds tracked by Wall St. Rank held Ecovyst as of Q2 2026.

Based on CastleKnight Management's 13F filing for Q2 2026, filed 14 Aug 2026.