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Inspire Medical Systems

356 hedge funds and large institutions have $4.39B invested in Inspire Medical Systems in 2025 Q2 according to their latest regulatory filings, with 48 funds opening new positions, 131 increasing their positions, 140 reducing their positions, and 52 closing their positions.

New
Increased
Maintained
Reduced
Closed

0.6% less ownership

Funds ownership: 115.19%114.59% (-0.6%)

6% less repeat investments, than reductions

Existing positions increased: 131 | Existing positions reduced: 140

8% less first-time investments, than exits

New positions opened: 48 | Existing positions closed: 52

8% less call options, than puts

Call options by funds: $15.4M | Put options by funds: $16.7M

2% less funds holding

Funds holding: 363356 (-7)

20% less capital invested

Capital invested by funds: $5.49B → $4.39B (-$1.1B)

67% less funds holding in top 10

Funds holding in top 10: 62 (-4)

Holders
356
Holders Change
-7
Holders Change %
-1.93%
% of All Funds
4.69%
Holding in Top 10
2
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-66.67%
% of All Funds
0.03%
New
48
Increased
131
Reduced
140
Closed
52
Calls
$15.4M
Puts
$16.7M
Net Calls
-$1.3M
Net Calls Change
-$3.13M
Name Holding Trade Value Shares
Change
Change in
Stake
IMRF
176
Illinois Municipal Retirement Fund
Illinois
$912K +$491K +3,385 +93%
XT
177
XTX Topco
Cayman Islands
$907K +$686K +4,732 +210%
OA
178
Oak Associates
Ohio
$880K
OPERF
179
Oregon Public Employees Retirement Fund
Oregon
$879K -$4.5K -31 -0.5%
MML Investors Services
180
MML Investors Services
Massachusetts
$865K -$186K -1,283 -16%
AllianceBernstein
181
AllianceBernstein
Tennessee
$834K -$652K -4,494 -41%
KK
182
KLP Kapitalforvaltning
Norway
$818K +$87K +600 +11%
Universal-Beteiligungs- und Servicegesellschaft
183
Universal-Beteiligungs- und Servicegesellschaft
Germany
$805K -$1.79M -12,328 -67%
AAB
184
ABN AMRO Bank
Netherlands
$784K -$103K -709 -11%
JAM
185
Jupiter Asset Management
United Kingdom
$775K +$657K +4,533 +315%
NEI
186
Northwest & Ethical Investments
Ontario, Canada
$771K +$31.3K +216 +4%
FHWM
187
Fox Hill Wealth Management
Massachusetts
$758K +$163K +1,122 +24%
Manulife (Manufacturers Life Insurance)
188
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$748K -$154K -1,059 -16%
CCIA
189
Campbell & Co Investment Adviser
Maryland
$725K +$556K +3,836 +219%
Bank of Montreal
190
Bank of Montreal
Ontario, Canada
$715K -$4.93K -34 -0.6%
Janney Montgomery Scott
191
Janney Montgomery Scott
Pennsylvania
$690K +$143K +984 +23%
First Trust Advisors
192
First Trust Advisors
Illinois
$676K -$8.73M -60,175 -92%
LCM
193
Landscape Capital Management
New Jersey
$647K -$388K -2,676 -35%
LCG
194
Lisanti Capital Growth
New York
$624K
Pictet Asset Management
195
Pictet Asset Management
Switzerland
$609K +$30.5K +210 +5%
DT
196
Diversified Trust
Tennessee
$606K -$725 -5 -0.1%
COI
197
Connable Office Inc
Michigan
$601K
William Blair & Company
198
William Blair & Company
Illinois
$601K
DTL
199
Dynamic Technology Lab
Singapore
$593K +$231K +1,592 +53%
SPA
200
Sherbrooke Park Advisers
New York
$590K +$660K +4,550 New

INSP Hedge Fund Activity: Q2 2025 in Review

356 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Inspire Medical Systems (INSP) for Q2 2025, worth a combined $4.39B — down 20% from $5.49B a quarter earlier.

Sellers outnumbered buyers: 52 funds closed out of INSP and 48 opened new positions — a net loss of 4 holders — while 140 trimmed existing stakes and 131 added.

The largest buyer was Dragoneer Investment Group, adding an estimated $153M. The largest seller was Invesco, cutting an estimated $76.2M.

  • 356 institutional investors held Inspire Medical Systems (INSP) as of Q2 2025, down from 363 in Q1 2025.
  • Funds reported $4.39B of Inspire Medical Systems stock for Q2 2025, down 20% quarter-over-quarter.
  • 48 funds opened new Inspire Medical Systems positions in Q2 2025 and 52 closed out, a net change of -4 holders.
  • The largest Inspire Medical Systems buyer in Q2 2025 was Dragoneer Investment Group, an estimated $153M added.
  • The largest Inspire Medical Systems seller in Q2 2025 was Invesco, an estimated $76.2M sold.

Based on aggregated 13F filings for Q2 2025.