Bank of Montreal’s CoStar Group CSGP Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$62.6M Sell
2,209,141
-278,574
-11% -$9.58M 0.02% 529
2026
Q1
$100M Buy
2,487,715
+2,033,747
+448% +$106M 0.04% 361
2025
Q4
$30.5M Sell
453,968
-15,712
-3% -$1.11M 0.01% 716
2025
Q3
$39.6M Buy
469,680
+49,554
+12% +$4.38M 0.02% 572
2025
Q2
$33.8M Sell
420,126
-22,790
-5% -$1.78M 0.02% 557
2025
Q1
$35.1M Sell
442,916
-101,468
-19% -$7.72M 0.02% 530
2024
Q4
$39M Sell
544,384
-77,516
-12% -$5.85M 0.02% 530
2024
Q3
$46.6M Sell
621,900
-6,509
-1% -$494K 0.02% 493
2024
Q2
$46.6M Buy
628,409
+184,682
+42% +$15.7M 0.01% 495
2024
Q1
$43M Sell
443,727
-59,193
-12% -$5.1M 0.01% 489
2023
Q4
$44.3M Buy
502,920
+185,880
+59% +$15M 0.01% 522
2023
Q3
$25.1M Buy
317,040
+55,182
+21% +$4.57M 0.01% 645
2023
Q2
$23.5M Sell
261,858
-98,063
-27% -$7.57M 0.01% 682
2023
Q1
$24.8M Sell
359,921
-77,590
-18% -$5.73M 0.01% 606
2022
Q4
$34M Buy
437,511
+136,865
+46% +$10.7M 0.01% 506
2022
Q3
$21.6M Buy
300,646
+229,394
+322% +$15.9M 0.01% 661
2022
Q2
$4.4M Buy
71,252
+476
+0.7% +$28.8K ﹤0.01% 1494
2022
Q1
$4.82M Sell
70,776
-28,044
-28% -$1.86M ﹤0.01% 1516
2021
Q4
$7.92M Buy
98,820
+41,923
+74% +$3.52M ﹤0.01% 1043
2021
Q3
$4.9M Sell
56,897
-152,395
-73% -$13.2M ﹤0.01% 1644
2021
Q2
$17.5M Sell
209,292
-11,068
-5% -$957K 0.01% 969
2021
Q1
$19.3M Sell
220,360
-52,290
-19% -$4.51M 0.01% 709
2020
Q4
$24.7M Buy
272,650
+8,520
+3% +$747K 0.02% 630
2020
Q3
$22.8M Sell
264,130
-24,390
-8% -$1.94M 0.02% 545
2020
Q2
$21M Buy
288,520
+53,130
+23% +$3.43M 0.02% 575
2020
Q1
$12.7M Sell
235,390
-50,900
-18% -$3.32M 0.01% 630
2019
Q4
$17.1M Buy
286,290
+70,300
+33% +$4.1M 0.01% 740
2019
Q3
$12.8M Buy
215,990
+37,150
+21% +$2.22M 0.01% 780
2019
Q2
$9.91M Buy
178,840
+55,950
+46% +$2.86M 0.01% 907
2019
Q1
$5.73M Sell
122,890
-69,980
-36% -$2.89M ﹤0.01% 1078
2018
Q4
$6.5M Sell
192,870
-27,790
-13% -$1.02M 0.01% 964
2018
Q3
$9.29M Buy
220,660
+34,790
+19% +$1.49M 0.01% 929
2018
Q2
$7.67M Buy
185,870
+89,600
+93% +$3.45M 0.01% 990
2018
Q1
$3.49M Buy
96,270
+25,920
+37% +$894K ﹤0.01% 1322
2017
Q4
$2.09M Buy
70,350
+55,260
+366% +$1.62M ﹤0.01% 1558
2017
Q3
$404K Buy
15,090
+540
+4% +$15K ﹤0.01% 2369
2017
Q2
$383K Sell
14,550
-196,030
-93% -$4.77M ﹤0.01% 2383
2017
Q1
$4.37M Buy
210,580
+99,890
+90% +$2.03M ﹤0.01% 1133
2016
Q4
$2.12M Buy
110,690
+84,110
+316% +$1.65M ﹤0.01% 1517
2016
Q3
$576K Buy
26,580
+470
+2% +$10K ﹤0.01% 2037
2016
Q2
$571K Sell
26,110
-2,670
-9% -$52.8K ﹤0.01% 2069
2016
Q1
$541K Buy
28,780
+18,030
+168% +$319K ﹤0.01% 2011
2015
Q4
$223K Sell
10,750
-6,630
-38% -$132K ﹤0.01% 2364
2015
Q3
$300K Sell
17,380
-310
-2% -$5.94K ﹤0.01% 2074
2015
Q2
$357K Buy
17,690
+16,650
+1,601% +$340K ﹤0.01% 2144
2015
Q1
$21K Sell
1,040
-21,900
-95% -$414K ﹤0.01% 3251
2014
Q4
$421K Hold
22,940
– – ﹤0.01% 2147
2014
Q3
$357K Buy
22,940
+3,680
+19% +$54.8K ﹤0.01% 2254
2014
Q2
$304K Buy
19,260
+7,300
+61% +$118K ﹤0.01% 2333
2014
Q1
$223K Buy
11,960
+660
+6% +$12.5K ﹤0.01% 2455
2013
Q4
$208K Buy
11,300
+980
+9% +$17.3K ﹤0.01% 2224
2013
Q3
$174K Buy
10,320
+5,160
+100% +$79.1K ﹤0.01% 2299
2013
Q2
$67K Buy
+5,160
New +$58.4K ﹤0.01% 2585

Other funds holding CSGP

Bank of Montreal's CSGP Position: Q2 2026 in Review

Bank of Montreal reduced its CoStar Group (CSGP) stake by 11% in Q2 2026, selling an estimated $9.58M and leaving 2,209,141 shares worth $62.6M. The position accounts for 0.02% of the portfolio, ranked #529.

Bank of Montreal first reported a position in CSGP in Q2 2013 and has held it in 53 quarters since. The position peaked at $100M in Q1 2026. 760 funds tracked by Wall St. Rank hold CSGP as of Q2 2026.

  • Bank of Montreal held 2,209,141 shares of CoStar Group worth $62.6M as of Q2 2026.
  • Bank of Montreal sold 278,574 CoStar Group shares in Q2 2026, an estimated $9.58M.
  • CoStar Group made up 0.02% of Bank of Montreal's portfolio in Q2 2026, its #529 holding.
  • Bank of Montreal first reported a position in CoStar Group in Q2 2013 and has held it in 53 quarters since.
  • Bank of Montreal's CoStar Group position peaked at $100M in Q1 2026.
  • 760 funds tracked by Wall St. Rank held CoStar Group as of Q2 2026.

Based on Bank of Montreal's 13F filing for Q2 2026, filed 12 Aug 2026.