Holocene Advisors
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Holocene Advisors’s Inspire Medical Systems INSP Stock Holding History

Holocene Advisors’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
-19,171
Closed -$1.42M – 816
2025
Q3 		$1.42M Buy
+19,171
New +$1.94M ﹤0.01% 581
2024
Q4 		– Sell
-6,374
Closed -$1.35M – 815
2024
Q3 		$1.35M Buy
+6,374
New +$1.11M 0.01% 587
2022
Q4 		– Sell
-142,528
Closed -$25.3M – 798
2022
Q3 		$25.3M Buy
142,528
+52,240
+58% +$10.5M 0.16% 165
2022
Q2 		$16.5M Buy
+90,288
New +$18M 0.1% 192

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

Holocene Advisors's INSP Position: Q4 2025 in Review

Holocene Advisors sold out of Inspire Medical Systems (INSP) in Q4 2025, closing a stake of 19,171 shares — an estimated $1.42M sold.

Holocene Advisors first reported a position in INSP in Q2 2022 and held it in 4 quarters. The position peaked at $25.3M in Q3 2022. 342 funds tracked by Wall St. Rank hold INSP as of Q4 2025.

  • Holocene Advisors reported no remaining Inspire Medical Systems position as of Q4 2025 after selling out during the quarter.
  • Holocene Advisors sold 19,171 Inspire Medical Systems shares in Q4 2025, an estimated $1.42M.
  • Holocene Advisors first reported a position in Inspire Medical Systems in Q2 2022 and held it in 4 quarters.
  • Holocene Advisors's Inspire Medical Systems position peaked at $25.3M in Q3 2022.
  • 342 funds tracked by Wall St. Rank held Inspire Medical Systems as of Q4 2025.

Based on Holocene Advisors's 13F filing for Q4 2025, filed 17 Feb 2026.