BAMCO Inc
INSP icon

BAMCO Inc’s Inspire Medical Systems INSP Stock Holding History

BAMCO Inc’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 		$15.4M Sell
298,470
-39,016
-12% -$2.73M 0.05% 206
2025
Q4 		$31.1M Buy
337,486
+147,463
+78% +$14.1M 0.08% 177
2025
Q3 		$14.1M Sell
190,023
-301,729
-61% -$30.5M 0.04% 222
2025
Q2 		$63.8M Buy
491,752
+69,059
+16% +$10M 0.17% 109
2025
Q1 		$67.3M Buy
422,693
+74,893
+22% +$13.5M 0.2% 100
2024
Q4 		$64.5M Buy
347,800
+8,500
+3% +$1.65M 0.17% 113
2024
Q3 		$71.6M Sell
339,300
-8,000
-2% -$1.39M 0.19% 100
2024
Q2 		$46.5M Buy
347,300
+137,300
+65% +$26M 0.13% 136
2024
Q1 		$45.1M Sell
210,000
-1,000
-0.5% -$196K 0.12% 142
2023
Q4 		$42.9M Sell
211,000
-33,736
-14% -$5.47M 0.11% 143
2023
Q3 		$48.6M Hold
244,736
– – 0.14% 125
2023
Q2 		$79.5M Sell
244,736
-24,200
-9% -$6.91M 0.22% 83
2023
Q1 		$62.9M Sell
268,936
-24,400
-8% -$6.17M 0.19% 98
2022
Q4 		$73.9M Hold
293,336
– – 0.25% 82
2022
Q3 		$52M Buy
293,336
+4,100
+1% +$824K 0.17% 106
2022
Q2 		$52.8M Sell
289,236
-74,010
-20% -$14.8M 0.17% 112
2022
Q1 		$93.2M Sell
363,246
-23,000
-6% -$5.26M 0.23% 80
2021
Q4 		$88.9M Sell
386,246
-3,929
-1% -$959K 0.19% 97
2021
Q3 		$90.9M Buy
390,175
+8,140
+2% +$1.7M 0.21% 99
2021
Q2 		$73.8M Buy
382,035
+8,100
+2% +$1.61M 0.17% 121
2021
Q1 		$77.4M Hold
373,935
– – 0.19% 110
2020
Q4 		$70.3M Hold
373,935
– – 0.17% 119
2020
Q3 		$48.3M Hold
373,935
– – 0.15% 127
2020
Q2 		$32.5M Buy
373,935
+20,965
+6% +$1.61M 0.12% 144
2020
Q1 		$21.3M Hold
352,970
– – 0.1% 137
2019
Q4 		$26.2M Hold
352,970
– – 0.1% 148
2019
Q3 		$21.5M Buy
352,970
+13,000
+4% +$856K 0.09% 156
2019
Q2 		$20.6M Buy
339,970
+236,372
+228% +$12.7M 0.08% 169
2019
Q1 		$5.88M Buy
+103,598
New +$5.6M 0.02% 241

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

BAMCO Inc's INSP Position: Q1 2026 in Review

BAMCO Inc reduced its Inspire Medical Systems (INSP) stake by 12% in Q1 2026, selling an estimated $2.73M and leaving 298,470 shares worth $15.4M. The position accounts for 0.05% of the portfolio, ranked #206.

BAMCO Inc first reported a position in INSP in Q1 2019 and has held it in 29 quarters since. The position peaked at $93.2M in Q1 2022. 301 funds tracked by Wall St. Rank hold INSP as of Q1 2026.

  • BAMCO Inc held 298,470 shares of Inspire Medical Systems worth $15.4M as of Q1 2026.
  • BAMCO Inc sold 39,016 Inspire Medical Systems shares in Q1 2026, an estimated $2.73M.
  • Inspire Medical Systems made up 0.05% of BAMCO Inc's portfolio in Q1 2026, its #206 holding.
  • BAMCO Inc first reported a position in Inspire Medical Systems in Q1 2019 and has held it in 29 quarters since.
  • BAMCO Inc's Inspire Medical Systems position peaked at $93.2M in Q1 2022.
  • 301 funds tracked by Wall St. Rank held Inspire Medical Systems as of Q1 2026.

Based on BAMCO Inc's 13F filing for Q1 2026, filed 15 May 2026.