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Inspire Medical Systems

250 hedge funds and large institutions have $5.2B invested in Inspire Medical Systems in 2021 Q1 according to their latest regulatory filings, with 41 funds opening new positions, 75 increasing their positions, 102 reducing their positions, and 26 closing their positions.

New
Increased
Maintained
Reduced
Closed

58% more first-time investments, than exits

New positions opened: 41 | Existing positions closed: 26

10% more capital invested

Capital invested by funds: $4.73B → $5.2B (+$477M)

5% more funds holding

Funds holding: 239250 (+11)

0.74% less ownership

Funds ownership: 93.38%92.63% (-0.74%)

26% less repeat investments, than reductions

Existing positions increased: 75 | Existing positions reduced: 102

40% less funds holding in top 10

Funds holding in top 10: 53 (-2)

51% less call options, than puts

Call options by funds: $17.5M | Put options by funds: $35.3M

Holders
250
Holders Change
+11
Holders Change %
+4.6%
% of All Funds
4.39%
Holding in Top 10
3
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-40%
% of All Funds
0.05%
New
41
Increased
75
Reduced
102
Closed
26
Calls
$17.5M
Puts
$35.3M
Net Calls
-$17.9M
Net Calls Change
-$17.8M
Name Holding Trade Value Shares
Change
Change in
Stake
Renaissance Technologies
251
Renaissance Technologies
New York
-$20.6M -109,700 Closed
NCGI
252
Next Century Growth Investors
Minnesota
-$3.75M -19,913 Closed
Susquehanna International Group
253
Susquehanna International Group
Pennsylvania
-$3.13M -14,715 Closed
ACMH
254
Andar Capital Management (HK)
Hong Kong
-$2.26M -12,000 Closed
QC
255
Quadrature Capital
United Kingdom
-$2.02M -10,721 Closed
CM
256
Castleark Management
Illinois
-$1.74M -9,238 Closed
DTL
257
Dynamic Technology Lab
Singapore
-$1.53M -8,148 Closed
CCFM
258
Clear Creek Financial Management
Washington
-$1.33M -7,054 Closed
Walleye Capital
259
Walleye Capital
New York
-$1.19K -6,332 Closed
TC
260
TwinBeech Capital
New York
-$1.12M -5,950 Closed
ECM
261
EMC Capital Management
Texas
-$1.04M -5,538 Closed
Parallax Volatility Advisers
262
Parallax Volatility Advisers
California
-$799K -4,250 Closed
AR
263
Advisory Research
Illinois
-$700K -3,719 Closed
FC
264
FORA Capital
Florida
-$649K -3,452 Closed
PP
265
Paloma Partners
Connecticut
-$591K -3,140 Closed
JF
266
Jump Financial
Illinois
-$507K -2,698 Closed
TI
267
Trexquant Investment
Connecticut
-$453K -2,411 Closed
VF
268
Virtu Financial
New York
-$416K -2,211 Closed
GG
269
Golden Green
South Carolina
-$237K -1,262 Closed
TSS
270
Two Sigma Securities
New York
-$225K -1,196 Closed
FRM
271
Fox Run Management
Connecticut
-$211K -1,120 Closed
GAM
272
Gotham Asset Management
New York
-$201K -1,071 Closed
JCM
273
Jacobi Capital Management
Pennsylvania
-$24K -130 Closed
PWPS
274
Pinnacle Wealth Planning Services
Ohio
-$16K -85 Closed
VAIA
275
Virtus Alternative Investment Advisers
Connecticut
-$8K -44 Closed

INSP Hedge Fund Activity: Q1 2021 in Review

250 of the 5,695 institutional investors tracked by Wall St. Rank reported a position in Inspire Medical Systems (INSP) for Q1 2021, worth a combined $5.2B — up 10% from $4.73B a quarter earlier.

Buyers outnumbered sellers: 41 funds opened new INSP positions and 26 closed out — a net gain of 15 holders — while 75 added to existing stakes and 102 trimmed.

The largest buyer was Lord, Abbett & Co, adding an estimated $83.5M. The largest seller was Fidelity Investments, cutting an estimated $57.8M.

  • 250 institutional investors held Inspire Medical Systems (INSP) as of Q1 2021, up from 239 in Q4 2020.
  • Funds reported $5.2B of Inspire Medical Systems stock for Q1 2021, up 10% quarter-over-quarter.
  • 41 funds opened new Inspire Medical Systems positions in Q1 2021 and 26 closed out, a net change of +15 holders.
  • The largest Inspire Medical Systems buyer in Q1 2021 was Lord, Abbett & Co, an estimated $83.5M added.
  • The largest Inspire Medical Systems seller in Q1 2021 was Fidelity Investments, an estimated $57.8M sold.

Based on aggregated 13F filings for Q1 2021.