Bank of Montreal
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Bank of Montreal’s Inspire Medical Systems INSP Stock Holding History

Bank of Montreal’s Portfolio INSP Stock Details INSP Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-2,728
Closed -$252K – 3881
2025
Q4 		$252K Sell
2,728
-39,188
-93% -$3.75M ﹤0.01% 2703
2025
Q3 		$3.11M Buy
41,916
+36,409
+661% +$3.69M ﹤0.01% 1488
2025
Q2 		$715K Sell
5,507
-34
-0.6% -$4.93K ﹤0.01% 2075
2025
Q1 		$883K Buy
5,541
+1,019
+23% +$184K ﹤0.01% 1883
2024
Q4 		$838K Buy
4,522
+1,064
+31% +$207K ﹤0.01% 1953
2024
Q3 		$700K Buy
+3,458
New +$601K ﹤0.01% 2214
2023
Q2 		– Sell
-1,463
Closed -$357K – 4136
2023
Q1 		$357K Buy
+1,463
New +$370K ﹤0.01% 2669
2022
Q4 		– Sell
-2,780
Closed -$595 – 4136
2022
Q3 		$595 Sell
2,780
-2,495
-47% -$501K ﹤0.01% 2474
2022
Q2 		$1.06K Sell
5,275
-9,419
-64% -$1.88M ﹤0.01% 2264
2022
Q1 		$3.84M Buy
14,694
+563
+4% +$129K ﹤0.01% 1602
2021
Q4 		$3.38M Sell
14,131
-19,822
-58% -$4.84M ﹤0.01% 1371
2021
Q3 		$7.71M Buy
33,953
+15,148
+81% +$3.16M ﹤0.01% 1430
2021
Q2 		$3.68M Buy
18,805
+17,900
+1,978% +$3.55M ﹤0.01% 1755
2021
Q1 		$190K Sell
905
-3,281
-78% -$697K ﹤0.01% 3138
2020
Q4 		$812K Buy
4,186
+2,806
+203% +$459K ﹤0.01% 2382
2020
Q3 		$180K Sell
1,380
-800
-37% -$88.2K ﹤0.01% 2785
2020
Q2 		$206K Sell
2,180
-34,112
-94% -$2.62M ﹤0.01% 2715
2020
Q1 		$1.89M Sell
36,292
-16,763
-32% -$1.24M ﹤0.01% 1442
2019
Q4 		$3.94M Buy
53,055
+29,301
+123% +$1.88M ﹤0.01% 1489
2019
Q3 		$1.45M Sell
23,754
-919
-4% -$60.5K ﹤0.01% 1884
2019
Q2 		$1.5M Buy
+24,673
New +$1.33M ﹤0.01% 1861
2019
Q1 		– Sell
-168
Closed -$7K – 4516
2018
Q4 		$7K Buy
168
+114
+211% +$4.85K ﹤0.01% 3986
2018
Q3 		$2K Sell
54
-2
-4% -$94 ﹤0.01% 4361
2018
Q2 		$2K Buy
+56
New +$1.81K ﹤0.01% 4361

Other funds holding INSP

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
DM
Deerfield Management New York $8.48B AUM 99.04% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return

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

Bank of Montreal sold out of Inspire Medical Systems (INSP) in Q1 2026, closing a stake of 2,728 shares — an estimated $252K sold.

Bank of Montreal first reported a position in INSP in Q2 2018 and held it in 24 quarters. The position peaked at $7.71M in Q3 2021. 301 funds tracked by Wall St. Rank hold INSP as of Q1 2026.

  • Bank of Montreal reported no remaining Inspire Medical Systems position as of Q1 2026 after selling out during the quarter.
  • Bank of Montreal sold 2,728 Inspire Medical Systems shares in Q1 2026, an estimated $252K.
  • Bank of Montreal first reported a position in Inspire Medical Systems in Q2 2018 and held it in 24 quarters.
  • Bank of Montreal's Inspire Medical Systems position peaked at $7.71M in Q3 2021.
  • 301 funds tracked by Wall St. Rank held Inspire Medical Systems as of Q1 2026.

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