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Jeff Yass’s Inspire Medical Systems INSP Stock Holding History

Jeff Yass’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
Q2 		$2.95M Buy
66,100
+37,000
+127% +$1.75M ﹤0.01% 5663
2026
Q1 		$1.5M Sell
29,100
-102,400
-78% -$7.17M ﹤0.01% 6875
2025
Q4 		$12.1M Buy
131,500
+92,100
+234% +$8.81M ﹤0.01% 2805
2025
Q3 		$2.92M Sell
39,400
-3,800
-9% -$385K ﹤0.01% 5020
2025
Q2 		$5.61M Sell
43,200
-10,700
-20% -$1.55M ﹤0.01% 3760
2025
Q1 		$8.59M Sell
53,900
-5,400
-9% -$977K ﹤0.01% 2738
2024
Q4 		$11M Sell
59,300
-49,700
-46% -$9.65M ﹤0.01% 2541
2024
Q3 		$23M Buy
109,000
+54,100
+99% +$9.4M ﹤0.01% 1690
2024
Q2 		$7.35M Sell
54,900
-56,400
-51% -$10.7M ﹤0.01% 2865
2024
Q1 		$23.9M Buy
111,300
+46,800
+73% +$9.17M ﹤0.01% 1607
2023
Q4 		$13.1M Buy
64,500
+17,300
+37% +$2.8M ﹤0.01% 2295
2023
Q3 		$9.37M Buy
47,200
+25,200
+115% +$6.36M ﹤0.01% 2647
2023
Q2 		$7.14M Sell
22,000
-25,700
-54% -$7.34M ﹤0.01% 2980
2023
Q1 		$11.2M Sell
47,700
-122,500
-72% -$31M ﹤0.01% 2313
2022
Q4 		$42.9M Sell
170,200
-67,200
-28% -$14.3M 0.01% 972
2022
Q3 		$42.1M Buy
237,400
+98,400
+71% +$19.8M 0.01% 905
2022
Q2 		$25.4M Sell
139,000
-42,300
-23% -$8.44M 0.01% 1264
2022
Q1 		$46.5M Buy
181,300
+79,400
+78% +$18.1M 0.01% 1042
2021
Q4 		$23.4M Buy
101,900
+82,800
+434% +$20.2M ﹤0.01% 1703
2021
Q3 		$4.45M Buy
19,100
+7,300
+62% +$1.52M ﹤0.01% 4174
2021
Q2 		$2.28M Sell
11,800
-10,100
-46% -$2M ﹤0.01% 5620
2021
Q1 		$4.53M Buy
21,900
+5,900
+37% +$1.25M ﹤0.01% 4096
2020
Q4 		$3.01M Sell
16,000
-114,500
-88% -$18.7M ﹤0.01% 4309
2020
Q3 		$16.8M Buy
130,500
+65,400
+100% +$7.21M ﹤0.01% 1646
2020
Q2 		$5.67M Buy
65,100
+52,800
+429% +$4.06M ﹤0.01% 2833
2020
Q1 		$741K Sell
12,300
-11,000
-47% -$814K ﹤0.01% 6060
2019
Q4 		$1.73M Sell
23,300
-52,700
-69% -$3.39M ﹤0.01% 4570
2019
Q3 		$4.64M Buy
76,000
+37,900
+99% +$2.5M ﹤0.01% 2836
2019
Q2 		$2.31M Buy
38,100
+7,400
+24% +$399K ﹤0.01% 3903
2019
Q1 		$1.74M Buy
+30,700
New +$1.66M ﹤0.01% 3973

Other funds holding INSP

BlackRock
BlackRock New York $6.73T AUM 46.02% 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
SCM
Soleus Capital Management Greenwich, Connecticut $2.9B AUM 169.69% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Nomura Holdings
Nomura Holdings Tokyo, Japan $85.4B AUM 91.09% 1-Year Est. Return
DM
Deerfield Management New York $9.59B AUM 113.36% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Jeff Yass's INSP Position: Q2 2026 in Review

Jeff Yass reduced its Inspire Medical Systems (INSP) stake by 75% in Q2 2026, selling an estimated $7.46M and leaving 53,198 shares worth $2.37M. The position accounts for ﹤0.01% of the portfolio, ranked #6090.

Jeff Yass first reported a position in INSP in Q1 2019 and has held it in 28 quarters since. The position peaked at $60.9M in Q2 2023. 275 funds tracked by Wall St. Rank hold INSP as of Q2 2026.

  • Jeff Yass held 53,198 shares of Inspire Medical Systems worth $2.37M as of Q2 2026.
  • Jeff Yass sold 157,375 Inspire Medical Systems shares in Q2 2026, an estimated $7.46M.
  • Inspire Medical Systems made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #6090 holding.
  • Jeff Yass first reported a position in Inspire Medical Systems in Q1 2019 and has held it in 28 quarters since.
  • Jeff Yass's Inspire Medical Systems position peaked at $60.9M in Q2 2023.
  • 275 funds tracked by Wall St. Rank held Inspire Medical Systems as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.