We are live on ! Find out more
IRTC icon

iRhythm Holdings
IRTC

213 hedge funds and large institutions have $3.43B invested in iRhythm Holdings in 2021 Q4 according to their latest regulatory filings, with 54 funds opening new positions, 60 increasing their positions, 70 reducing their positions, and 26 closing their positions.

New
Increased
Maintained
Reduced
Closed

300% more funds holding in top 10

Funds holding in top 10: 1 → 4 (+3)

214% more call options, than puts

Call options by funds: $54.6M | Put options by funds: $17.4M

109% more capital invested

Capital invested by funds: $1.64B → $3.43B (+$1.78B)

108% more first-time investments, than exits

New positions opened: 54 | Existing positions closed: 26

15% more funds holding

Funds holding: 186 → 213 (+27)

3.56% more ownership

Funds ownership: 95.43% → 98.98% (+3.6%)

14% less repeat investments, than reductions

Existing positions increased: 60 | Existing positions reduced: 70

Holders
213
Holders Change
+27
Holders Change %
+14.52%
% of All Funds
3.28%
Holding in Top 10
4
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+300%
% of All Funds
0.06%
New
54
Increased
60
Reduced
70
Closed
26
Calls
$54.6M
Puts
$17.4M
Net Calls
+$37.2M
Net Calls Change
+$21.4M

Top Buyers

1
Capital Research Global Investors
Capital Research Global Investors
California
+$71.3M
2
PHS
PFM Health Sciences
California
+$48.1M
3
Janus Henderson Group
Janus Henderson Group
United Kingdom
+$45.3M
4
Invesco
Invesco
Georgia
+$28.4M
5
BM
Bridger Management
New York
+$28.4M

Top Sellers

1
Wellington Management Group
Wellington Management Group
Massachusetts
-$74M
2
CCM
Camber Capital Management
Massachusetts
-$27.8M
3
VIA
Vident Investment Advisory
Georgia
-$27.4M
4
Sands Capital Management
Sands Capital Management
Virginia
-$23.1M
5
Millennium Management
Millennium Management
New York
-$22.1M
Name Holding Trade Value Shares
Change 		Change in
Stake
State of New Jersey Common Pension Fund D
76
State of New Jersey Common Pension Fund D
New Jersey
$3.3M +$2.57M +28,016 New
ETC
77
Exchange Traded Concepts
Oklahoma
$3.3M -$4.11M -44,770 -62%
MOACM
78
Mutual of America Capital Management
New York
$3.27M -$23.8K -259 -0.9%
Susquehanna International Group
79
Susquehanna International Group
Pennsylvania
$3.02M -$4.85M -52,819 -67%
BCI
80
Brinker Capital Investments
Pennsylvania
$2.86M +$491K +5,348 +28%
PCM
81
Prelude Capital Management
New York
$2.74M +$2.13M +23,268 New
MJB
82
Mark J. Bradley
$2.58M +$1.34M +14,625 +200%
LCG
83
Lisanti Capital Growth
New York
$2.55M +$1.99M +21,640 New
WSL
84
Western Standard LLC
California
$2.54M +$1.98M +21,600 New
Envestnet Asset Management
85
Envestnet Asset Management
Illinois
$2.5M +$592K +6,451 +44%
Deutsche Bank
86
Deutsche Bank
Germany
$2.48M +$49.8K +543 +3%
EAM
87
EULAV Asset Management
Florida
$2.45M – – –
SLG
88
Stanley-Laman Group
Pennsylvania
$2.44M +$1.9M +20,726 New
CM
89
Crestline Management
Texas
$2.12M -$883K -9,630 -35%
GGHC
90
Gilder Gagnon Howe & Co
New York
$2.1M -$10K -109 -0.6%
GH
91
GAM Holding
Switzerland
$2.1M +$230K +2,505 +16%
Tudor Investment Corp
92
Tudor Investment Corp
Connecticut
$2.09M +$1.63M +17,734 New
Walleye Trading
93
Walleye Trading
New York
$2.06M +$1.07M +11,703 +201%
AIG
94
American International Group
New York
$1.84M -$43K -469 -3%
Stifel Financial
95
Stifel Financial
Missouri
$1.78M +$319K +3,474 +30%
Mitsubishi UFJ Asset Management
96
Mitsubishi UFJ Asset Management
Japan
$1.75M -$790K -8,617 -37%
PAM
97
Panagora Asset Management
Massachusetts
$1.68M -$374K -4,075 -22%
CCM
98
Cinctive Capital Management
New York
$1.65M -$183K -2,000 -13%
Wolverine Trading
99
Wolverine Trading
Illinois
$1.57M +$630K +6,866 +106%
Citigroup
100
Citigroup
New York
$1.56M -$9.17K -100 -0.8%
2 3
4
5 6

IRTC Hedge Fund Activity: Q4 2021 in Review

213 of the 6,498 institutional investors tracked by Wall St. Rank reported a position in iRhythm Holdings (IRTC) for Q4 2021, worth a combined $3.43B — up 109% from $1.64B a quarter earlier.

Buyers outnumbered sellers: 54 funds opened new IRTC positions and 26 closed out — a net gain of 28 holders — while 60 added to existing stakes and 70 trimmed.

The largest buyer was Capital Research Global Investors, adding an estimated $71.3M. The largest seller was Wellington Management Group, cutting an estimated $74M.

  • 213 institutional investors held iRhythm Holdings (IRTC) as of Q4 2021, up from 186 in Q3 2021.
  • Funds reported $3.43B of iRhythm Holdings stock for Q4 2021, up 109% quarter-over-quarter.
  • 54 funds opened new iRhythm Holdings positions in Q4 2021 and 26 closed out, a net change of +28 holders.
  • The largest iRhythm Holdings buyer in Q4 2021 was Capital Research Global Investors, an estimated $71.3M added.
  • The largest iRhythm Holdings seller in Q4 2021 was Wellington Management Group, an estimated $74M sold.

Based on aggregated 13F filings for Q4 2021.