Bank of Montreal
MLAB icon

Bank of Montreal’s Mesa Laboratories MLAB Stock Holding History

Bank of Montreal’s Portfolio MLAB Stock Details MLAB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		– Sell
-900
Closed -$84.8K – 3712
2025
Q2 		$84.8K Sell
900
-69
-7% -$7.57K ﹤0.01% 3029
2025
Q1 		$115K Buy
969
+350
+57% +$47.7K ﹤0.01% 2886
2024
Q4 		$81.6K Buy
619
+16
+3% +$1.96K ﹤0.01% 2998
2024
Q3 		$77K Buy
603
+138
+30% +$16.2K ﹤0.01% 3320
2024
Q2 		$51.3K Buy
465
+10
+2% +$1.05K ﹤0.01% 3418
2024
Q1 		$50.7K Hold
455
– – ﹤0.01% 3450
2023
Q4 		$48.8K Sell
455
-13
-3% -$1.27K ﹤0.01% 3569
2023
Q3 		$59.9K Buy
+468
New +$60K ﹤0.01% 3395
2023
Q2 		– Sell
-1,373
Closed -$241K – 4178
2023
Q1 		$241K Buy
1,373
+225
+20% +$40.3K ﹤0.01% 2903
2022
Q4 		$201K Buy
+1,148
New +$180K ﹤0.01% 3156
2022
Q3 		– Sell
-1,280
Closed -$260 – 4282
2022
Q2 		$260 Sell
1,280
-684
-35% -$150K ﹤0.01% 3100
2022
Q1 		$523K Sell
1,964
-19
-1% -$5.16K ﹤0.01% 2799
2021
Q4 		$661K Sell
1,983
-7,686
-79% -$2.41M ﹤0.01% 2199
2021
Q3 		$3.14M Sell
9,669
-189
-2% -$53.7K ﹤0.01% 1858
2021
Q2 		$2.69M Buy
9,858
+2,716
+38% +$689K ﹤0.01% 1905
2021
Q1 		$1.68M Buy
7,142
+5,357
+300% +$1.47M ﹤0.01% 1873
2020
Q4 		$518K Buy
1,785
+933
+110% +$257K ﹤0.01% 2685
2020
Q3 		$227K Buy
852
+62
+8% +$14.7K ﹤0.01% 2689
2020
Q2 		$173K Buy
790
+682
+631% +$157K ﹤0.01% 2806
2020
Q1 		$24K Sell
108
-602
-85% -$148K ﹤0.01% 3179
2019
Q4 		$177K Buy
710
+235
+49% +$55K ﹤0.01% 3225
2019
Q3 		$113K Buy
475
+121
+34% +$28K ﹤0.01% 3233
2019
Q2 		$86K Buy
354
+337
+1,982% +$78.5K ﹤0.01% 3434
2019
Q1 		$4K Sell
17
-47
-73% -$10.6K ﹤0.01% 4068
2018
Q4 		$14K Buy
64
+24
+60% +$4.68K ﹤0.01% 3771
2018
Q3 		$7K Sell
40
-1
-2% -$201 ﹤0.01% 4033
2018
Q2 		$9K Buy
41
+24
+141% +$4.2K ﹤0.01% 3984
2018
Q1 		$3K Hold
17
– – ﹤0.01% 3997
2017
Q4 		$2K Hold
17
– – ﹤0.01% 4054
2017
Q3 		$3K Hold
17
– – ﹤0.01% 3967
2017
Q2 		$2K Hold
17
– – ﹤0.01% 4032
2017
Q1 		$2K Hold
17
– – ﹤0.01% 3836
2016
Q4 		$2K Sell
17
-890
-98% -$111K ﹤0.01% 3893
2016
Q3 		$104K Sell
907
-344
-27% -$39.2K ﹤0.01% 2757
2016
Q2 		$154K Sell
1,251
-347
-22% -$37.4K ﹤0.01% 2598
2016
Q1 		$154K Hold
1,598
– – ﹤0.01% 2603
2015
Q4 		$159K Buy
1,598
+223
+16% +$23.8K ﹤0.01% 2548
2015
Q3 		$153K Hold
1,375
– – ﹤0.01% 2395
2015
Q2 		$122K Buy
1,375
+540
+65% +$45.6K ﹤0.01% 2644
2015
Q1 		$60K Sell
835
-257
-24% -$19.1K ﹤0.01% 2852
2014
Q4 		$85K Buy
1,092
+28
+3% +$2.05K ﹤0.01% 2845
2014
Q3 		$61K Sell
1,064
-86
-7% -$6.24K ﹤0.01% 3058
2014
Q2 		$97K Buy
1,150
+93
+9% +$7.69K ﹤0.01% 2859
2014
Q1 		$95K Sell
1,057
-13
-1% -$1.1K ﹤0.01% 2821
2013
Q4 		$84K Buy
1,070
+215
+25% +$15.7K ﹤0.01% 2622
2013
Q3 		$58K Hold
855
– – ﹤0.01% 2749
2013
Q2 		$46K Buy
+855
New +$44.4K ﹤0.01% 2755

Other funds holding MLAB

CCA
Conestoga Capital Advisors Wayne, Pennsylvania $5.01B AUM 6.26% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
RIM
Ranger Investment Management Dallas, Texas $1.38B AUM 24.55% 1-Year Est. Return
GCM
Geneva Capital Management Milwaukee, Wisconsin $4.71B AUM 6.32% 1-Year Est. Return
SCM
Simcoe Capital Management New York $576M AUM 36.22% 1-Year Est. Return
RA
Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
KLP
Kent Lake PR Anasco, Puerto Rico $198M AUM 5.21% 1-Year Est. Return

Bank of Montreal's MLAB Position: Q3 2025 in Review

Bank of Montreal sold out of Mesa Laboratories (MLAB) in Q3 2025, closing a stake of 900 shares — an estimated $84.8K sold.

Bank of Montreal first reported a position in MLAB in Q2 2013 and held it in 47 quarters. The position peaked at $3.14M in Q3 2021. 141 funds tracked by Wall St. Rank hold MLAB as of Q3 2025.

  • Bank of Montreal reported no remaining Mesa Laboratories position as of Q3 2025 after selling out during the quarter.
  • Bank of Montreal sold 900 Mesa Laboratories shares in Q3 2025, an estimated $84.8K.
  • Bank of Montreal first reported a position in Mesa Laboratories in Q2 2013 and held it in 47 quarters.
  • Bank of Montreal's Mesa Laboratories position peaked at $3.14M in Q3 2021.
  • 141 funds tracked by Wall St. Rank held Mesa Laboratories as of Q3 2025.

Based on Bank of Montreal's 13F filing for Q3 2025, filed 13 Nov 2025.