State of Wisconsin Investment Board’s Ecovyst ECVT Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $4.35M | Sell |
338,599
-196,813
| -37% | -$2.22M | 0.01% | 1046 |
|
|
2025
Q4 | $5.21M | Sell |
535,412
-7,053
| -1% | -$61.5K | 0.01% | 988 |
|
|
2025
Q3 | $4.75M | Sell |
542,465
-15,307
| -3% | -$135K | 0.01% | 986 |
|
|
2025
Q2 | $4.59M | Sell |
557,772
-2,705
| -0.5% | -$19K | 0.01% | 969 |
|
|
2025
Q1 | $3.47M | Buy |
560,477
+14,098
| +3% | +$104K | 0.01% | 1049 |
|
|
2024
Q4 | $4.17M | Buy |
546,379
+442,001
| +423% | +$3.27M | 0.01% | 1021 |
|
|
2024
Q3 | $715K | Buy |
104,378
+39,966
| +62% | +$305K | ﹤0.01% | 1700 |
|
|
2024
Q2 | $578K | Buy |
+64,412
| New | +$623K | ﹤0.01% | 1755 |
|
|
2023
Q4 | – | Sell |
-12,745
| Closed | -$125K | – | 2427 |
|
|
2023
Q3 | $125K | Buy |
+12,745
| New | +$136K | ﹤0.01% | 2337 |
|
|
2023
Q2 | – | Sell |
-10,010
| Closed | -$111K | – | 2390 |
|
|
2023
Q1 | $111K | Buy |
+10,010
| New | +$104K | ﹤0.01% | 2378 |
|
|
2022
Q4 | – | Sell |
-11,638
| Closed | -$98K | – | 2547 |
|
|
2022
Q3 | $98K | Sell |
11,638
-3,240
| -22% | -$30.8K | ﹤0.01% | 2529 |
|
|
2022
Q2 | $147K | Sell |
14,878
-835,822
| -98% | -$8.68M | ﹤0.01% | 2570 |
|
|
2022
Q1 | $9.83M | Hold |
850,700
| – | – | 0.02% | 787 |
|
|
2021
Q4 | $8.71M | Buy |
850,700
+300,000
| +54% | +$3.28M | 0.02% | 840 |
|
|
2021
Q3 | $6.42M | Hold |
550,700
| – | – | 0.01% | 945 |
|
|
2021
Q2 | $8.46M | Hold |
550,700
| – | – | 0.02% | 847 |
|
|
2021
Q1 | $9.2M | Hold |
550,700
| – | – | 0.02% | 772 |
|
|
2020
Q4 | $7.85M | Sell |
550,700
-68,500
| -11% | -$869K | 0.02% | 792 |
|
|
2020
Q3 | $6.35M | Hold |
619,200
| – | – | 0.02% | 848 |
|
|
2020
Q2 | $8.2M | Buy |
619,200
+221,500
| +56% | +$2.6M | 0.02% | 682 |
|
|
2020
Q1 | $4.33M | Hold |
397,700
| – | – | 0.01% | 838 |
|
|
2019
Q4 | $6.83M | Hold |
397,700
| – | – | 0.02% | 833 |
|
|
2019
Q3 | $6.34M | Hold |
397,700
| – | – | 0.02% | 770 |
|
|
2019
Q2 | $6.3M | Buy |
397,700
+8,700
| +2% | +$137K | 0.02% | 764 |
|
|
2019
Q1 | $5.9M | Buy |
389,000
+89,000
| +30% | +$1.36M | 0.02% | 782 |
|
|
2018
Q4 | $4.44M | Hold |
300,000
| – | – | 0.01% | 807 |
|
|
2018
Q3 | $5.24M | Hold |
300,000
| – | – | 0.01% | 871 |
|
|
2018
Q2 | $5.4M | Hold |
300,000
| – | – | 0.02% | 858 |
|
|
2018
Q1 | $4.19M | Hold |
300,000
| – | – | 0.01% | 882 |
|
|
2017
Q4 | $4.93M | Hold |
300,000
| – | – | 0.01% | 863 |
|
|
2017
Q3 | $5.17M | Buy |
+300,000
| New | +$5.17M | 0.02% | 838 |
|
Other funds holding ECVT
RCMNY
VPM
VCM
State of Wisconsin Investment Board's ECVT Position: Q1 2026 in Review
State of Wisconsin Investment Board reduced its Ecovyst (ECVT) stake by 37% in Q1 2026, selling an estimated $2.22M and leaving 338,599 shares worth $4.35M. The position accounts for 0.01% of the portfolio, ranked #1046.
State of Wisconsin Investment Board first reported a position in ECVT in Q3 2017 and has held it in 31 quarters since. The position peaked at $9.83M in Q1 2022. 197 funds tracked by Wall St. Rank hold ECVT as of Q1 2026.
- State of Wisconsin Investment Board held 338,599 shares of Ecovyst worth $4.35M as of Q1 2026.
- State of Wisconsin Investment Board sold 196,813 Ecovyst shares in Q1 2026, an estimated $2.22M.
- Ecovyst made up 0.01% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #1046 holding.
- State of Wisconsin Investment Board first reported a position in Ecovyst in Q3 2017 and has held it in 31 quarters since.
- State of Wisconsin Investment Board's Ecovyst position peaked at $9.83M in Q1 2022.
- 197 funds tracked by Wall St. Rank held Ecovyst as of Q1 2026.
Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.