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Quantbot Technologies’s Inspire Medical Systems INSP Stock Holding History

Quantbot Technologies’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
2025
Q4 		– Sell
-41,063
Closed -$3.05M – 1916
2025
Q3 		$3.05M Buy
+41,063
New +$4.16M 0.08% 380
2023
Q4 		– Sell
-35,626
Closed -$7.07M – 1778
2023
Q3 		$7.07M Buy
+35,626
New +$8.98M 0.48% 28
2023
Q2 		– Sell
-14,384
Closed -$3.37M – 1746
2023
Q1 		$3.37M Buy
14,384
+6,084
+73% +$1.54M 0.24% 107
2022
Q4 		$2.09M Sell
8,300
-5,443
-40% -$1.16M 0.15% 202
2022
Q3 		$2.44M Buy
+13,743
New +$2.76M 0.18% 164
2022
Q1 		– Sell
-4,115
Closed -$946K – 1830
2021
Q4 		$946K Buy
+4,115
New +$1M 0.08% 359
2021
Q3 		– Sell
-6,374
Closed -$1.23M – 1693
2021
Q2 		$1.23M Buy
6,374
+2,501
+65% +$496K 0.1% 299
2021
Q1 		$801K Sell
3,873
-1,093
-22% -$232K 0.08% 342
2020
Q4 		$934K Buy
+4,966
New +$812K 0.1% 269
2020
Q2 		– Sell
-710
Closed -$42K – 1264
2020
Q1 		$42K Sell
710
-1,690
-70% -$125K 0.03% 472
2019
Q4 		$178K Sell
2,400
-715
-23% -$46K 0.02% 691
2019
Q3 		$190K Sell
3,115
-10,241
-77% -$674K 0.02% 699
2019
Q2 		$810K Buy
13,356
+10,256
+331% +$553K 0.08% 284
2019
Q1 		$176K Buy
+3,100
New +$168K 0.02% 680
2018
Q4 		– Sell
-914
Closed -$38K – 1203
2018
Q3 		$38K Buy
+914
New +$42.9K ﹤0.01% 1077

Other funds holding INSP

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
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
DM
Deerfield Management New York $8.48B AUM 99.04% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
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
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return

Quantbot Technologies's INSP Position: Q4 2025 in Review

Quantbot Technologies sold out of Inspire Medical Systems (INSP) in Q4 2025, closing a stake of 41,063 shares — an estimated $3.05M sold.

Quantbot Technologies first reported a position in INSP in Q3 2018 and held it in 15 quarters. The position peaked at $7.07M in Q3 2023. 342 funds tracked by Wall St. Rank hold INSP as of Q4 2025.

  • Quantbot Technologies reported no remaining Inspire Medical Systems position as of Q4 2025 after selling out during the quarter.
  • Quantbot Technologies sold 41,063 Inspire Medical Systems shares in Q4 2025, an estimated $3.05M.
  • Quantbot Technologies first reported a position in Inspire Medical Systems in Q3 2018 and held it in 15 quarters.
  • Quantbot Technologies's Inspire Medical Systems position peaked at $7.07M in Q3 2023.
  • 342 funds tracked by Wall St. Rank held Inspire Medical Systems as of Q4 2025.

Based on Quantbot Technologies's 13F filing for Q4 2025, filed 10 Feb 2026.