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iRhythm Holdings

141 hedge funds and large institutions have $1.52B invested in iRhythm Holdings in 2018 Q1 according to their latest regulatory filings, with 34 funds opening new positions, 43 increasing their positions, 47 reducing their positions, and 10 closing their positions.

New
Increased
Maintained
Reduced
Closed

240% more first-time investments, than exits

New positions opened: 34 | Existing positions closed: 10

147% more call options, than puts

Call options by funds: $4.21M | Put options by funds: $1.7M

19% more funds holding

Funds holding: 118141 (+23)

17% more capital invested

Capital invested by funds: $1.3B → $1.52B (+$221M)

2.11% more ownership

Funds ownership: 100.73%102.84% (+2.1%)

9% less repeat investments, than reductions

Existing positions increased: 43 | Existing positions reduced: 47

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

Holders
141
Holders Change
+23
Holders Change %
+19.49%
% of All Funds
3.23%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.05%
New
34
Increased
43
Reduced
47
Closed
10
Calls
$4.21M
Puts
$1.7M
Net Calls
+$2.5M
Net Calls Change
+$3.85M
Name Holding Trade Value Shares
Change
Change in
Stake
Marshall Wace
101
Marshall Wace
United Kingdom
$453K +$446K +7,200 New
Bank of America
102
Bank of America
North Carolina
$416K +$46.8K +756 +13%
State Board of Administration of Florida Retirement System
103
State Board of Administration of Florida Retirement System
Florida
$409K +$45.7K +739 +13%
VOYA Investment Management
104
VOYA Investment Management
Georgia
$406K
FMT
105
First Mercantile Trust
Tennessee
$371K -$14.2K -229 -4%
PG
106
PEAK6 Group
Illinois
$305K +$300K +4,842 New
AQR Capital Management
107
AQR Capital Management
Connecticut
$305K +$300K +4,844 New
RHBC
108
R.H. Bluestein & Co
Michigan
$283K +$279K +4,500 New
Principal Financial Group
109
Principal Financial Group
Iowa
$257K +$22.7K +366 +10%
QSS
110
Quantitative Systematic Strategies
Florida
$223K -$3.16K -51 -1%
UBS AM
111
UBS AM
Illinois
$220K +$217K +3,500 New
TAM
112
Tocqueville Asset Management
New York
$220K +$217K +3,500 New
BA
113
Boston Advisors
Massachusetts
$213K +$210K +3,387 New
AIM
114
Alambic Investment Management
California
$208K +$204K +3,300 New
BM
115
Brandywine Managers
Delaware
$202K +$199K +3,212 New
BNP Paribas Financial Markets
116
BNP Paribas Financial Markets
France
$185K -$6.87K -111 -4%
Legal & General Group
117
Legal & General Group
United Kingdom
$159K -$53.4K -863 -25%
CIBC Private Wealth Group
118
CIBC Private Wealth Group
Georgia
$157K
PCM
119
Prelude Capital Management
New York
$134K +$132K +2,129 New
SG Americas Securities
120
SG Americas Securities
New York
$112K +$110K +1,782 New
Zurich Cantonal Bank
121
Zurich Cantonal Bank
Switzerland
$87K +$56.5K +913 +196%
NIT
122
NumerixS Investment Technologies
British Columbia, Canada
$85K +$86.7K +1,400 New
AIP
123
Ameritas Investment Partners
Nebraska
$74K
TRCT
124
Tower Research Capital (TRC)
New York
$71K +$69.5K +1,122 New
SEI Investments
125
SEI Investments
Pennsylvania
$71K +$70.6K +1,140 New

IRTC Hedge Fund Activity: Q1 2018 in Review

141 of the 4,363 institutional investors tracked by Wall St. Rank reported a position in iRhythm Holdings (IRTC) for Q1 2018, worth a combined $1.52B — up 17% from $1.3B a quarter earlier.

Buyers outnumbered sellers: 34 funds opened new IRTC positions and 10 closed out — a net gain of 24 holders — while 43 added to existing stakes and 47 trimmed.

The largest buyer was Ameriprise, adding an estimated $38.8M. The largest seller was Citadel Advisors, cutting an estimated $26.4M.

  • 141 institutional investors held iRhythm Holdings (IRTC) as of Q1 2018, up from 118 in Q4 2017.
  • Funds reported $1.52B of iRhythm Holdings stock for Q1 2018, up 17% quarter-over-quarter.
  • 34 funds opened new iRhythm Holdings positions in Q1 2018 and 10 closed out, a net change of +24 holders.
  • The largest iRhythm Holdings buyer in Q1 2018 was Ameriprise, an estimated $38.8M added.
  • The largest iRhythm Holdings seller in Q1 2018 was Citadel Advisors, an estimated $26.4M sold.

Based on aggregated 13F filings for Q1 2018.