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Aigen Investment Management’s Inspire Medical Systems INSP Stock Holding History

Aigen Investment Management’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
Q3 		– Sell
-3,534
Closed -$459K – 928
2025
Q2 		$459K Buy
+3,534
New +$512K 0.06% 420
2025
Q1 		– Sell
-2,645
Closed -$490K – 880
2024
Q4 		$490K Sell
2,645
-432
-14% -$83.9K 0.09% 338
2024
Q3 		$649K Buy
+3,077
New +$535K 0.13% 236
2024
Q1 		– Sell
-3,122
Closed -$635K – 845
2023
Q4 		$635K Sell
3,122
-11,071
-78% -$1.79M 0.11% 260
2023
Q3 		$2.82M Buy
14,193
+13,073
+1,167% +$3.3M 0.53% 12
2023
Q2 		$364K Sell
1,120
-1,589
-59% -$454K 0.05% 428
2023
Q1 		$634K Buy
2,709
+1,753
+183% +$443K 0.09% 271
2022
Q4 		$241K Buy
+956
New +$204K 0.03% 411
2021
Q2 		– Sell
-3,688
Closed -$763K – 596
2021
Q1 		$763K Buy
3,688
+229
+7% +$48.7K 0.1% 216
2020
Q4 		$651K Sell
3,459
-7,296
-68% -$1.19M 0.08% 306
2020
Q3 		$1.39M Sell
10,755
-3,772
-26% -$416K 0.18% 179
2020
Q2 		$1.26M Buy
14,527
+11,752
+423% +$903K 0.16% 191
2020
Q1 		$167K Sell
2,775
-1,483
-35% -$110K 0.02% 754
2019
Q4 		$316K Buy
+4,258
New +$274K 0.05% 426

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
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return
DM
Deerfield Management New York $8.48B AUM 99.04% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
B
Braidwell Stamford, Connecticut $3B AUM 46.72% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Aigen Investment Management's INSP Position: Q3 2025 in Review

Aigen Investment Management sold out of Inspire Medical Systems (INSP) in Q3 2025, closing a stake of 3,534 shares — an estimated $459K sold.

Aigen Investment Management first reported a position in INSP in Q4 2019 and held it in 14 quarters. The position peaked at $2.82M in Q3 2023. 325 funds tracked by Wall St. Rank hold INSP as of Q3 2025.

  • Aigen Investment Management reported no remaining Inspire Medical Systems position as of Q3 2025 after selling out during the quarter.
  • Aigen Investment Management sold 3,534 Inspire Medical Systems shares in Q3 2025, an estimated $459K.
  • Aigen Investment Management first reported a position in Inspire Medical Systems in Q4 2019 and held it in 14 quarters.
  • Aigen Investment Management's Inspire Medical Systems position peaked at $2.82M in Q3 2023.
  • 325 funds tracked by Wall St. Rank held Inspire Medical Systems as of Q3 2025.

Based on Aigen Investment Management's 13F filing for Q3 2025, filed 14 Nov 2025.