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Inspire Medical Systems
INSP

Overview Fund Activity

360 hedge funds and large institutions have $5.46B invested in Inspire Medical Systems in 2025 Q1 according to their latest regulatory filings, with 60 funds opening new positions, 137 increasing their positions, 112 reducing their positions, and 51 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
360
Holders Change
+7
Holders Change %
+1.98%
% of All Funds
4.89%
Holding in Top 10
6
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-25%
% of All Funds
0.08%
New
60
Increased
137
Reduced
112
Closed
51
Calls
$36.7M
Puts
$34.9M
Net Calls
+$1.83M
Net Calls Change
+$20.9M

Top Buyers

1
UBS AM
1
UBS AM
Illinois
$177M
2
DIG
2
Dragoneer Investment Group
California
$207M
3
CAM
3
Congress Asset Management
Massachusetts
$49M
4
WA
4
Wasatch Advisors
Utah
$243M
5
EAM
5
Eventide Asset Management
Massachusetts
$48.8M

Top Sellers

1
Fuller & Thaler Asset Management
1
Fuller & Thaler Asset Management
California
$0
2
Marshall Wace
2
Marshall Wace
United Kingdom
$2.44M
3
William Blair Investment Management
3
William Blair Investment Management
Illinois
$110M
4
Bank of New York Mellon
4
Bank of New York Mellon
New York
$60.6M
5
AQR Capital Management
5
AQR Capital Management
Connecticut
$37.1M
Name Holding Trade Value Shares
Change 		Shares
Change %
TPCW
351
TD Private Client Wealth
New York
$796 – – –
TIM
352
Tortoise Investment Management
New York
$796 – – –
SWM
353
Spire Wealth Management
Virginia
$637 -$319 -2 -33%
CFO
354
CVA Family Office
Colorado
$478 – – –
HFS
355
Hughes Financial Services
Virginia
$474 +$474 +3 New
TWD
356
True Wealth Design
Ohio
$319 -$30.9K -194 -99%
TCM
357
TD Capital Management
Tennessee
$319 +$319 +2 New
CA
358
CoreCap Advisors
Michigan
$159 – – –
AWM
359
Activest Wealth Management
Florida
$159 +$159 +1 New
Fuller & Thaler Asset Management
360
Fuller & Thaler Asset Management
California
– -$43.1M -232,388 Closed
Norges Bank
361
Norges Bank
Norway
– -$10.7M -57,617 Closed
Arrowstreet Capital
362
Arrowstreet Capital
Massachusetts
– -$6.54M -35,294 Closed
IC
363
IEQ Capital
California
– -$3.91M -21,095 Closed
ACM
364
Aquatic Capital Management
Illinois
– -$2.44M -13,152 Closed
ETCM
365
Evolutionary Tree Capital Management
Virginia
– -$1.72M -9,259 Closed
SIA
366
Sit Investment Associates
Minnesota
– -$1.27M -6,830 Closed
LAM
367
LECAP Asset Management
United Kingdom
– -$974K -5,254 Closed
PAMP
368
Polar Asset Management Partners
Ontario, Canada
– -$945K -5,100 Closed
Jane Street
369
Jane Street
New York
– -$791K -4,267 Closed
TCM
370
Twin Capital Management
Pennsylvania
– -$605K -3,264 Closed
Simplex Trading
371
Simplex Trading
Illinois
– -$563K -3,039 Closed
VI
372
Versor Investments
New York
– -$518K -2,796 Closed
AIM
373
Aigen Investment Management
New York
– -$490K -2,645 Closed
AC
374
Armistice Capital
New York
– -$463K -2,500 Closed
YIH
375
Y-Intercept (HK)
Hong Kong
– -$461K -2,488 Closed
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15
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