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iRhythm Holdings

217 hedge funds and large institutions have $4.32B invested in iRhythm Holdings in 2021 Q1 according to their latest regulatory filings, with 52 funds opening new positions, 64 increasing their positions, 79 reducing their positions, and 68 closing their positions.

New
Increased
Maintained
Reduced
Closed

105% more call options, than puts

Call options by funds: $35.9M | Put options by funds: $17.5M

8% less funds holding

Funds holding: 235217 (-18)

8.49% less ownership

Funds ownership: 115.68%107.19% (-8.5%)

19% less repeat investments, than reductions

Existing positions increased: 64 | Existing positions reduced: 79

24% less first-time investments, than exits

New positions opened: 52 | Existing positions closed: 68

45% less capital invested

Capital invested by funds: $7.9B → $4.32B (-$3.57B)

100% less funds holding in top 10

Funds holding in top 10: 20 (-2)

Holders
217
Holders Change
-18
Holders Change %
-7.66%
% of All Funds
3.81%
Holding in Top 10
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-100%
% of All Funds
New
52
Increased
64
Reduced
79
Closed
68
Calls
$35.9M
Puts
$17.5M
Net Calls
+$18.3M
Net Calls Change
+$56.8M
Name Holding Trade Value Shares
Change
Change in
Stake
GIM
226
Granahan Investment Management
Massachusetts
-$2.91M -12,274 Closed
N
227
Natixis
France
-$1.77M -7,452 Closed
SSA
228
Schonfeld Strategic Advisors
New York
-$1.61M -6,800 Closed
Aviva
229
Aviva
United Kingdom
-$1.34M -5,668 Closed
PP
230
PDT Partners
New York
-$1.26M -5,300 Closed
KJHP
231
K.J. Harrison & Partners
Ontario, Canada
-$1.19M -5,000 Closed
ZIM
232
Zacks Investment Management
Illinois
-$1.11M -4,695 Closed
AR
233
Advisory Research
Illinois
-$887K -3,738 Closed
JMPWA
234
JP Morgan Private Wealth Advisors
California
-$849K -3,579 Closed
AP
235
AtonRa Partners
Switzerland
-$833K -3,513 Closed
CAM
236
ClariVest Asset Management
California
-$806K -3,397 Closed
QI
237
QS Investors
New York
-$783K -3,300 Closed
HSBC Holdings
238
HSBC Holdings
United Kingdom
-$678K -2,899 Closed
SFI
239
Susquehanna Fundamental Investments
Pennsylvania
-$686K -2,893 Closed
CI Investments Inc
240
CI Investments Inc
Ontario, Canada
-$659K -2,779 Closed
Parallax Volatility Advisers
241
Parallax Volatility Advisers
California
-$555K -2,340 Closed
LPL Financial
242
LPL Financial
California
-$501K -2,112 Closed
II
243
Inspire Investing
Idaho
-$478K -2,016 Closed
RG
244
Rathbones Group
United Kingdom
-$370K -1,560 Closed
EA
245
Ellsworth Advisors
Ohio
-$338K -1,427 Closed
ZCM
246
Zebra Capital Management
Connecticut
-$324K -1,365 Closed
BC
247
Bridgefront Capital
Texas
-$303K -1,276 Closed
AWM
248
Altium Wealth Management
New York
-$298K -1,255 Closed
PRC
249
Pearl River Capital
Michigan
-$286K -1,207 Closed
PWPS
250
Pinnacle Wealth Planning Services
Ohio
-$272K -1,146 Closed

IRTC Hedge Fund Activity: Q1 2021 in Review

217 of the 5,695 institutional investors tracked by Wall St. Rank reported a position in iRhythm Holdings (IRTC) for Q1 2021, worth a combined $4.32B — down 45% from $7.9B a quarter earlier.

Sellers outnumbered buyers: 68 funds closed out of IRTC and 52 opened new positions — a net loss of 16 holders — while 79 trimmed existing stakes and 64 added.

The largest buyer was Credit Suisse, adding an estimated $65.4M. The largest seller was Jackson Square Partners, exiting entirely with an estimated $176M sold.

  • 217 institutional investors held iRhythm Holdings (IRTC) as of Q1 2021, down from 235 in Q4 2020.
  • Funds reported $4.32B of iRhythm Holdings stock for Q1 2021, down 45% quarter-over-quarter.
  • 52 funds opened new iRhythm Holdings positions in Q1 2021 and 68 closed out, a net change of -16 holders.
  • The largest iRhythm Holdings buyer in Q1 2021 was Credit Suisse, an estimated $65.4M added.
  • The largest iRhythm Holdings seller in Q1 2021 was Jackson Square Partners, an estimated $176M sold.

Based on aggregated 13F filings for Q1 2021.