Bank of Montreal’s Magnite MGNI Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
Sell
-276,273
Closed -$4.48M 3917
2025
Q4
$4.48M Buy
276,273
+34,941
+14% +$580K ﹤0.01% 1367
2025
Q3
$5.26M Sell
241,332
-1,014
-0.4% -$23.9K ﹤0.01% 1263
2025
Q2
$5.85M Buy
242,346
+1,401
+0.6% +$20.6K ﹤0.01% 1183
2025
Q1
$2.75M Buy
240,945
+77,640
+48% +$1.24M ﹤0.01% 1394
2024
Q4
$2.6M Buy
163,305
+24,906
+18% +$365K ﹤0.01% 1454
2024
Q3
$1.9M Buy
+138,399
New +$1.89M ﹤0.01% 1718
2023
Q4
Sell
-13,583
Closed -$110K 4185
2023
Q3
$110K Buy
+13,583
New +$146K ﹤0.01% 3253
2023
Q1
Sell
-5,454
Closed -$60.3K 4036
2022
Q4
$60.3K Sell
5,454
-25,921
-83% -$237K ﹤0.01% 3495
2022
Q3
$207 Buy
31,375
+3,066
+11% +$24.7K ﹤0.01% 3189
2022
Q2
$297 Buy
28,309
+17,746
+168% +$190K ﹤0.01% 3011
2022
Q1
$148K Buy
+10,563
New +$142K ﹤0.01% 3558
2021
Q2
Sell
-45,982
Closed -$1.82M 4432
2021
Q1
$1.82M Sell
45,982
-78,673
-63% -$3.41M ﹤0.01% 1841
2020
Q4
$3.19M Sell
124,655
-5,377
-4% -$81.4K ﹤0.01% 1597
2020
Q3
$1.04M Buy
+130,032
New +$869K ﹤0.01% 1961
2020
Q2
Sell
-749
Closed -$4K 4754
2020
Q1
$4K Sell
749
-5,435
-88% -$50K ﹤0.01% 3730
2019
Q4
$50K Buy
6,184
+1,881
+44% +$15.5K ﹤0.01% 3835
2019
Q3
$37K Buy
4,303
+303
+8% +$2.66K ﹤0.01% 3772
2019
Q2
$25K Buy
+4,000
New +$24.6K ﹤0.01% 4055
2018
Q2
Sell
-212
Closed 4811
2018
Q1
$0 Sell
212
-2,865
-93% -$5.43K ﹤0.01% 4265
2017
Q4
$6K Buy
3,077
+1,733
+129% +$4.33K ﹤0.01% 3905
2017
Q3
$5K Buy
1,344
+684
+104% +$2.91K ﹤0.01% 3863
2017
Q2
$3K Sell
660
-36,000
-98% -$198K ﹤0.01% 3962
2017
Q1
$217K Sell
36,660
-281,525
-88% -$2.19M ﹤0.01% 2427
2016
Q4
$2.4M Sell
318,185
-101,299
-24% -$789K ﹤0.01% 1451
2016
Q3
$3.47M Sell
419,484
-1,027,245
-71% -$10.9M ﹤0.01% 1249
2016
Q2
$19.7M Sell
1,446,729
-576,385
-28% -$9.28M 0.02% 551
2016
Q1
$37M Sell
2,023,114
-997,823
-33% -$15.3M 0.04% 321
2015
Q4
$49.7M Buy
3,020,937
+90,200
+3% +$1.4M 0.06% 257
2015
Q3
$42.6M Buy
2,930,737
+521,934
+22% +$7.97M 0.06% 281
2015
Q2
$36M Buy
2,408,803
+655,673
+37% +$11.3M 0.04% 351
2015
Q1
$31.4M Buy
1,753,130
+895,424
+104% +$15.1M 0.04% 382
2014
Q4
$13.8M Buy
857,706
+178,715
+26% +$2.31M 0.02% 642
2014
Q3
$7.96M Buy
678,991
+21,421
+3% +$235K 0.01% 897
2014
Q2
$8.44M Buy
+657,570
New +$9.87M 0.01% 876

Other funds holding MGNI

Bank of Montreal's MGNI Position: Q1 2026 in Review

Bank of Montreal sold out of Magnite (MGNI) in Q1 2026, closing a stake of 276,273 shares — an estimated $4.48M sold.

Bank of Montreal first reported a position in MGNI in Q2 2014 and held it in 34 quarters. The position peaked at $49.7M in Q4 2015. 296 funds tracked by Wall St. Rank hold MGNI as of Q1 2026.

  • Bank of Montreal reported no remaining Magnite position as of Q1 2026 after selling out during the quarter.
  • Bank of Montreal sold 276,273 Magnite shares in Q1 2026, an estimated $4.48M.
  • Bank of Montreal first reported a position in Magnite in Q2 2014 and held it in 34 quarters.
  • Bank of Montreal's Magnite position peaked at $49.7M in Q4 2015.
  • 296 funds tracked by Wall St. Rank held Magnite as of Q1 2026.

Based on Bank of Montreal's 13F filing for Q1 2026, filed 13 May 2026.