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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
AAMU
151
Amundi Asset Management US
Massachusetts
$347K
FP
152
Financial Perspectives
Minnesota
$335K +$8.35M +46,574 New
AIP
153
Ameritas Investment Partners
Nebraska
$326K -$12.5K -70 -3%
Prudential Financial
154
Prudential Financial
New Jersey
$324K -$12.5K -70 -3%
Assenagon Asset Management
155
Assenagon Asset Management
Luxembourg
$318K +$410K +2,289 New
D.E. Shaw & Co
156
D.E. Shaw & Co
New York
$282K -$1.63M -9,090 -82%
PAMU
157
Pictet Asset Management (UK)
United Kingdom
$278K -$108K -600 -23%
American Century Companies
158
American Century Companies
Missouri
$277K +$14.7K +82 +4%
IMRF
159
Illinois Municipal Retirement Fund
Illinois
$276K
SCA
160
Spearhead Capital Advisors
Florida
$275K -$113K -631 -24%
Canada Life
161
Canada Life
Manitoba, Canada
$271K
XT
162
XTX Topco
Cayman Islands
$271K +$349K +1,949 New
TRCT
163
Tower Research Capital (TRC)
New York
$270K +$168K +939 +93%
Cerity Partners
164
Cerity Partners
New York
$267K +$344K +1,921 New
OSAM
165
O'Shaughnessy Asset Management
Connecticut
$263K -$3.94K -22 -1%
SO
166
STRS Ohio
Ohio
$249K -$753K -4,200 -70%
FC
167
FORA Capital
Florida
$228K +$295K +1,645 New
PCH
168
Polar Capital Holdings
United Kingdom
$224K -$691K -3,856 -70%
GF
169
Gabelli Funds
New York
$222K +$287K +1,600 New
RHBC
170
R.H. Bluestein & Co
Michigan
$208K -$520K -2,900 -66%
US Bancorp
171
US Bancorp
Minnesota
$193K -$24.2K -135 -9%
1C
172
1623 Capital
Virginia
$193K +$249K +1,391 New
IA
173
IFP Advisors
Florida
$138K +$48.7K +272 +37%
FPS
174
Fieldpoint Private Securities
Connecticut
$115K -$43.4K -242 -23%
EVM
175
Eaton Vance Management
Massachusetts
$76K +$98K +547 New

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.