Bank of Montreal’s Westlake Corp WLK Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $2.6M | Sell |
35,590
-3,448
| -9% | -$337K | ﹤0.01% | 1632 |
|
|
2026
Q1 | $4.56M | Buy |
39,038
+12,115
| +45% | +$1.17M | ﹤0.01% | 1344 |
|
|
2025
Q4 | $1.99M | Sell |
26,923
-18,242
| -40% | -$1.3M | ﹤0.01% | 1650 |
|
|
2025
Q3 | $3.48M | Sell |
45,165
-185,857
| -80% | -$15.5M | ﹤0.01% | 1450 |
|
|
2025
Q2 | $17.5M | Buy |
231,022
+20,798
| +10% | +$1.7M | 0.01% | 778 |
|
|
2025
Q1 | $21M | Buy |
210,224
+60,650
| +41% | +$6.72M | 0.01% | 687 |
|
|
2024
Q4 | $17.1M | Buy |
149,574
+12,587
| +9% | +$1.64M | 0.01% | 800 |
|
|
2024
Q3 | $20.6M | Sell |
136,987
-13,060
| -9% | -$1.88M | 0.01% | 770 |
|
|
2024
Q2 | $23.8M | Buy |
150,047
+145,673
| +3,330% | +$22.4M | 0.01% | 699 |
|
|
2024
Q1 | $669K | Sell |
4,374
-106,959
| -96% | -$15.1M | ﹤0.01% | 2243 |
|
|
2023
Q4 | $15.9M | Buy |
111,333
+107,856
| +3,102% | +$13.7M | ﹤0.01% | 865 |
|
|
2023
Q3 | $467K | Sell |
3,477
-228
| -6% | -$29.3K | ﹤0.01% | 2508 |
|
|
2023
Q2 | $444K | Sell |
3,705
-831
| -18% | -$95.1K | ﹤0.01% | 2670 |
|
|
2023
Q1 | $527K | Sell |
4,536
-374
| -8% | -$43.2K | ﹤0.01% | 2427 |
|
|
2022
Q4 | $505K | Buy |
+4,910
| New | +$495K | ﹤0.01% | 2604 |
|
|
2022
Q2 | – | Sell |
-4,357
| Closed | -$544K | – | 4493 |
|
|
2022
Q1 | $544K | Sell |
4,357
-404
| -8% | -$44.1K | ﹤0.01% | 2770 |
|
|
2021
Q4 | $467K | Sell |
4,761
-57,882
| -92% | -$5.64M | ﹤0.01% | 2442 |
|
|
2021
Q3 | $5.78M | Buy |
62,643
+31,888
| +104% | +$2.73M | ﹤0.01% | 1563 |
|
|
2021
Q2 | $2.76M | Buy |
30,755
+30,271
| +6,254% | +$2.94M | ﹤0.01% | 1892 |
|
|
2021
Q1 | $42K | Buy |
484
+103
| +27% | +$8.94K | ﹤0.01% | 3782 |
|
|
2020
Q4 | $34K | Sell |
381
-84
| -18% | -$6.28K | ﹤0.01% | 4150 |
|
|
2020
Q3 | $31K | Buy |
465
+38
| +9% | +$2.24K | ﹤0.01% | 3631 |
|
|
2020
Q2 | $22K | Sell |
427
-910
| -68% | -$41.9K | ﹤0.01% | 3819 |
|
|
2020
Q1 | $47K | Sell |
1,337
-4,543
| -77% | -$255K | ﹤0.01% | 2916 |
|
|
2019
Q4 | $413K | Sell |
5,880
-16,179
| -73% | -$1.09M | ﹤0.01% | 2777 |
|
|
2019
Q3 | $1.45M | Sell |
22,059
-9,397
| -30% | -$605K | ﹤0.01% | 1886 |
|
|
2019
Q2 | $2.19M | Sell |
31,456
-60,669
| -66% | -$4.04M | ﹤0.01% | 1636 |
|
|
2019
Q1 | $6.25M | Buy |
92,125
+668
| +0.7% | +$48.4K | 0.01% | 1038 |
|
|
2018
Q4 | $6.05M | Buy |
91,457
+35,941
| +65% | +$2.6M | 0.01% | 994 |
|
|
2018
Q3 | $4.61M | Buy |
55,516
+21,591
| +64% | +$2.11M | ﹤0.01% | 1235 |
|
|
2018
Q2 | $3.65M | Buy |
33,925
+1,509
| +5% | +$169K | ﹤0.01% | 1329 |
|
|
2018
Q1 | $3.6M | Buy |
32,416
+20,724
| +177% | +$2.31M | ﹤0.01% | 1308 |
|
|
2017
Q4 | $1.25M | Sell |
11,692
-24,175
| -67% | -$2.24M | ﹤0.01% | 1855 |
|
|
2017
Q3 | $2.98M | Buy |
35,867
+25,510
| +246% | +$1.87M | ﹤0.01% | 1412 |
|
|
2017
Q2 | $686K | Buy |
10,357
+2,634
| +34% | +$167K | ﹤0.01% | 2144 |
|
|
2017
Q1 | $511K | Sell |
7,723
-57,508
| -88% | -$3.64M | ﹤0.01% | 2100 |
|
|
2016
Q4 | $3.86M | Sell |
65,231
-177,365
| -73% | -$9.69M | ﹤0.01% | 1194 |
|
|
2016
Q3 | $13M | Sell |
242,596
-599,757
| -71% | -$28.9M | 0.01% | 707 |
|
|
2016
Q2 | $36.2M | Buy |
842,353
+377,548
| +81% | +$17.2M | 0.04% | 366 |
|
|
2016
Q1 | $21.5M | Buy |
464,805
+464,002
| +57,784% | +$21.1M | 0.02% | 467 |
|
|
2015
Q4 | $44K | Sell |
803
-8,825
| -92% | -$511K | ﹤0.01% | 3083 |
|
|
2015
Q3 | $500K | Buy |
9,628
+197
| +2% | +$11.5K | ﹤0.01% | 1852 |
|
|
2015
Q2 | $646K | Sell |
9,431
-220,196
| -96% | -$16M | ﹤0.01% | 1844 |
|
|
2015
Q1 | $16.5M | Buy |
229,627
+69,248
| +43% | +$4.44M | 0.02% | 581 |
|
|
2014
Q4 | $9.8M | Sell |
160,379
-45,932
| -22% | -$3.13M | 0.01% | 787 |
|
|
2014
Q3 | $17.9M | Buy |
206,311
+17,229
| +9% | +$1.56M | 0.02% | 548 |
|
|
2014
Q2 | $15.8M | Buy |
189,082
+20,653
| +12% | +$1.55M | 0.02% | 584 |
|
|
2014
Q1 | $11.1M | Buy |
168,429
+31,251
| +23% | +$1.99M | 0.01% | 617 |
|
|
2013
Q4 | $8.37M | Buy |
137,178
+136,502
| +20,193% | +$7.67M | 0.01% | 644 |
|
|
2013
Q3 | $35K | Hold |
676
| – | – | ﹤0.01% | 2990 |
|
|
2013
Q2 | $33K | Buy |
+676
| New | +$30.4K | ﹤0.01% | 2882 |
|
Other funds holding WLK
OAG
BIP
Bank of Montreal's WLK Position: Q2 2026 in Review
Bank of Montreal reduced its Westlake Corp (WLK) stake by 8.8% in Q2 2026, selling an estimated $337K and leaving 35,590 shares worth $2.6M. The position accounts for ﹤0.01% of the portfolio, ranked #1632.
Bank of Montreal first reported a position in WLK in Q2 2013 and has held it in 51 quarters since. The position peaked at $36.2M in Q2 2016. 331 funds tracked by Wall St. Rank hold WLK as of Q2 2026.
- Bank of Montreal held 35,590 shares of Westlake Corp worth $2.6M as of Q2 2026.
- Bank of Montreal sold 3,448 Westlake Corp shares in Q2 2026, an estimated $337K.
- Westlake Corp made up ﹤0.01% of Bank of Montreal's portfolio in Q2 2026, its #1632 holding.
- Bank of Montreal first reported a position in Westlake Corp in Q2 2013 and has held it in 51 quarters since.
- Bank of Montreal's Westlake Corp position peaked at $36.2M in Q2 2016.
- 331 funds tracked by Wall St. Rank held Westlake Corp as of Q2 2026.
Based on Bank of Montreal's 13F filing for Q2 2026, filed 12 Aug 2026.