Inspire Medical Systems INSP Institutional Ownership

NYSE INSP
$70.46 +1.10 (+1.59%)
As of: Oct 1, 2026 · 10:14 AM EDT

Institutions by Trading Activity

274 Institutions
Increased 165 60.2%
Unchanged 33 12.0%
Reduced 76 27.7%

Ownership Statistics

13F · as of 30 Jun, 2026
Institutional Ownership
129.24%
▲+7.75 pp QoQ
Shares Held by Institutions
37.27Mn
of 28.84Mn outstanding
▲+23.51% QoQ
Shares Outstanding
28.84Mn
-8.43Mn held outside 13F filers
Institutional Investors
274
filed 13F for Jun 2026
▼-24 vs prior quarter
Net Shares Added (QoQ)
+7.09Mn
accumulated since last quarter
Value of Holdings
$2.59Bn
reported market value

Shares Owned by Institutions

Shares held % of outstanding
Latest —
Average ownership —
Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed
Latest quarter —
Net over range —
Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Inspire Medical Systems, Inc. (NYSE:INSP) showed up in the 13F filings of 274 institutional investors as of June 2026.

Form 13F Holdings

274 Institutional Holders

Report period 30 Jun, 2026
Total shares held 37.27Mn
Of outstanding 129.24%
Download Data
# Institution CIK Shares Held % of Outstanding Change (QoQ) Change (%) Value (USD)
1 BlackRock, Inc. 0002012383 4,737,519 16.43% ▲1,187,965 +33.47% $211.34Mn
2 WELLINGTON MANAGEMENT GROUP LLP 0000902219 2,382,660 8.26% ▼153,294 -6.04% $106.29Mn
3 VANGUARD PORTFOLIO MANAGEMENT LLC 0002100121 2,088,961 7.24% ▲451,788 +27.60% $93.19Mn
4 Soleus Capital Management, L.P. 0001802630 1,931,436 6.70% ▲1,355,137 +235.14% $86.16Mn
5 AQR CAPITAL MANAGEMENT LLC 0001167557 1,856,800 6.44% ▲1,548,138 +501.56% $80.94Mn
6 UBS Group AG 0001610520 1,645,511 5.71% ▲1,006,583 +157.54% $73.41Mn
7 D. E. Shaw & Co., Inc. 0001009207 1,470,462 5.10% ▲281,925 +23.72% $65.60Mn
8 Nomura Holdings Inc 0001163653 1,369,410 4.75% ▲1,369,410 0.00% $61.09Mn
9 DEERFIELD MANAGEMENT COMPANY, L.P. 0001009258 1,296,862 4.50% ▼1,406,376 -52.03% $57.85Mn
10 VANGUARD CAPITAL MANAGEMENT LLC 0002100119 1,270,928 4.41% ▲4,190 +0.33% $56.70Mn
11 State Street Corp 0000093751 1,206,494 4.18% ▲250,483 +26.20% $53.82Mn
12 Assenagon Asset Management S.A. 0001546007 864,395 3.00% ▲344,221 +66.17% $38.56Mn
13 Morgan Stanley 0000895421 791,222 2.74% ▼659,412 -45.46% $35.30Mn
14 Artisan Partners Limited Partnership 0001466153 732,323 2.54% ▼48,252 -6.18% $32.67Mn
15 GEODE CAPITAL MANAGEMENT, LLC 0001214717 700,836 2.43% ▲190,602 +37.36% $31.27Mn
16 BRAIDWELL LP 0001920938 677,570 2.35% 0 0.00% $30.23Mn
17 Goldman Sachs Group Inc 0000886982 645,858 2.24% ▼18,145 -2.73% $28.81Mn
18 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0000861177 546,020 1.89% ▲97,233 +21.67% $24.36Mn
19 CITADEL ADVISORS LLC 0001423053 506,334 1.76% ▲112,258 +28.49% $22.59Mn
20 SG Americas Securities, LLC 0001313360 491,703 1.71% ▲386,556 +367.63% $21.94K