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Driehaus Capital Management’s Inspire Medical Systems INSP Stock Holding History

Driehaus Capital 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
2026
Q1 		– Sell
-348,500
Closed -$32.1M – 407
2025
Q4 		$32.1M Buy
+348,500
New +$33.3M 0.22% 150
2025
Q2 		– Sell
-71,745
Closed -$11.4M – 457
2025
Q1 		$11.4M Buy
+71,745
New +$13M 0.11% 224
2024
Q2 		– Sell
-142,881
Closed -$30.7M – 407
2024
Q1 		$30.7M Sell
142,881
-59,069
-29% -$11.6M 0.31% 101
2023
Q4 		$41.1M Buy
201,950
+42,817
+27% +$6.94M 0.49% 53
2023
Q3 		$31.6M Sell
159,133
-194,316
-55% -$49M 0.41% 71
2023
Q2 		$115M Buy
353,449
+14,296
+4% +$4.08M 1.45% 7
2023
Q1 		$79.4M Buy
339,153
+41,683
+14% +$10.5M 1.11% 11
2022
Q4 		$74.9M Buy
297,470
+29,324
+11% +$6.25M 1.12% 11
2022
Q3 		$47.6M Sell
268,146
-59,653
-18% -$12M 0.72% 26
2022
Q2 		$59.9M Buy
327,799
+12,412
+4% +$2.48M 0.97% 13
2022
Q1 		$81M Buy
315,387
+43,307
+16% +$9.9M 0.99% 13
2021
Q4 		$62.6M Buy
272,080
+72,736
+36% +$17.8M 0.64% 43
2021
Q3 		$46.4M Buy
199,344
+69,360
+53% +$14.5M 0.55% 52
2021
Q2 		$25.1M Sell
129,984
-91,200
-41% -$18.1M 0.33% 98
2021
Q1 		$45.8M Sell
221,184
-38,495
-15% -$8.18M 0.68% 30
2020
Q4 		$48.8M Sell
259,679
-56,689
-18% -$9.27M 0.79% 25
2020
Q3 		$40.8M Sell
316,368
-17,643
-5% -$1.94M 0.84% 22
2020
Q2 		$29.1M Sell
334,011
-118,855
-26% -$9.14M 0.71% 31
2020
Q1 		$27.3M Sell
452,866
-60,039
-12% -$4.44M 0.91% 21
2019
Q4 		$38.1M Sell
512,905
-89,614
-15% -$5.76M 1.01% 13
2019
Q3 		$36.8M Buy
602,519
+29,915
+5% +$1.97M 1.2% 8
2019
Q2 		$34.7M Buy
572,604
+53,015
+10% +$2.86M 1.09% 12
2019
Q1 		$29.5M Buy
519,589
+51,232
+11% +$2.77M 1.11% 16
2018
Q4 		$19.8M Buy
468,357
+108,525
+30% +$4.61M 0.85% 23
2018
Q3 		$15.1M Buy
359,832
+3,180
+0.9% +$149K 0.47% 60
2018
Q2 		$12.7M Buy
+356,652
New +$11.5M 0.43% 59

Other funds holding INSP

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
DM
Deerfield Management New York $9.59B AUM 113.36% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $63.1B AUM 35.51% 1-Year Est. Return

Driehaus Capital Management's INSP Position: Q1 2026 in Review

Driehaus Capital Management sold out of Inspire Medical Systems (INSP) in Q1 2026, closing a stake of 348,500 shares — an estimated $32.1M sold.

Driehaus Capital Management first reported a position in INSP in Q2 2018 and held it in 26 quarters. The position peaked at $115M in Q2 2023. 301 funds tracked by Wall St. Rank hold INSP as of Q1 2026.

  • Driehaus Capital Management reported no remaining Inspire Medical Systems position as of Q1 2026 after selling out during the quarter.
  • Driehaus Capital Management sold 348,500 Inspire Medical Systems shares in Q1 2026, an estimated $32.1M.
  • Driehaus Capital Management first reported a position in Inspire Medical Systems in Q2 2018 and held it in 26 quarters.
  • Driehaus Capital Management's Inspire Medical Systems position peaked at $115M in Q2 2023.
  • 301 funds tracked by Wall St. Rank held Inspire Medical Systems as of Q1 2026.

Based on Driehaus Capital Management's 13F filing for Q1 2026, filed 15 May 2026.