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iRhythm Holdings
IRTC

208 hedge funds and large institutions have $2.92B invested in iRhythm Holdings in 2022 Q4 according to their latest regulatory filings, with 31 funds opening new positions, 71 increasing their positions, 75 reducing their positions, and 51 closing their positions.

New
Increased
Maintained
Reduced
Closed

23% more call options, than puts

Call options by funds: $27.3M | Put options by funds: $22.2M

0.5% more ownership

Funds ownership: 102.94% → 103.43% (+0.5%)

5% less repeat investments, than reductions

Existing positions increased: 71 | Existing positions reduced: 75

11% less funds holding

Funds holding: 233 → 208 (-25)

24% less capital invested

Capital invested by funds: $3.86B → $2.92B (-$943M)

39% less first-time investments, than exits

New positions opened: 31 | Existing positions closed: 51

80% less funds holding in top 10

Funds holding in top 10: 5 → 1 (-4)

Holders
208
Holders Change
-25
Holders Change %
-10.73%
% of All Funds
3.34%
Holding in Top 10
1
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-80%
% of All Funds
0.02%
New
31
Increased
71
Reduced
75
Closed
51
Calls
$27.3M
Puts
$22.2M
Net Calls
+$5.12M
Net Calls Change
-$7.85M

Top Buyers

1
Artisan Partners
Artisan Partners
Wisconsin
+$106M
2
SPC
Slate Path Capital
New York
+$38.1M
3
Balyasny Asset Management
Balyasny Asset Management
Illinois
+$25.1M
4
ETC
Exchange Traded Concepts
Oklahoma
+$18.2M
5
Capital Research Global Investors
Capital Research Global Investors
California
+$16.3M

Top Sellers

1
Janus Henderson Group
Janus Henderson Group
United Kingdom
-$51.9M
2
Lord, Abbett & Co
Lord, Abbett & Co
New Jersey
-$36.5M
3
Holocene Advisors
Holocene Advisors
New York
-$23.5M
4
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$20.4M
5
SI
Sofinnova Investments
California
-$17.6M
Name Holding Trade Value Shares
Change 		Change in
Stake
MJB
76
Mark J. Bradley
$2.02M +$12K +110 +0.5%
BCI
77
Brinker Capital Investments
Pennsylvania
$1.98M +$5.77K +53 +0.3%
EAM
78
EULAV Asset Management
Florida
$1.9M – – –
Truist Financial
79
Truist Financial
North Carolina
$1.88M -$65.1K -598 -3%
IHAM
80
Integral Health Asset Management
New York
$1.87M -$3.27M -30,000 -60%
GGHC
81
Gilder Gagnon Howe & Co
New York
$1.86M +$871 +8 +0%
DA
82
Duality Advisers
Florida
$1.83M +$573K +5,262 +37%
JF
83
Jump Financial
Illinois
$1.82M +$2.11M +19,402 New
Prudential Financial
84
Prudential Financial
New Jersey
$1.82M -$3.96M -36,412 -65%
AG
85
Algert Global
California
$1.74M +$40.3K +370 +2%
Baird Financial Group
86
Baird Financial Group
Wisconsin
$1.65M +$21.4K +197 +1%
Macquarie Group
87
Macquarie Group
Australia
$1.58M -$1.2K -11 -0.1%
MIM
88
MetLife Investment Management
New Jersey
$1.51M – – –
TD Asset Management
89
TD Asset Management
Ontario, Canada
$1.49M -$1.61M -14,801 -48%
AQR Capital Management
90
AQR Capital Management
Connecticut
$1.42M -$331K -3,040 -17%
AIG
91
American International Group
New York
$1.34M +$11K +101 +0.7%
Stifel Financial
92
Stifel Financial
Missouri
$1.28M -$93.7K -861 -6%
Millennium Management
93
Millennium Management
New York
$1.27M -$4.27M -39,249 -74%
TI
94
Trexquant Investment
Connecticut
$1.23M -$154K -1,414 -10%
Voloridge Investment Management
95
Voloridge Investment Management
Florida
$1.22M +$1.41M +12,990 New
E
96
Ergoteles
New York
$1.16M +$310K +2,852 +30%
Mitsubishi UFJ Asset Management
97
Mitsubishi UFJ Asset Management
Japan
$1.14M +$228K +2,096 +21%
VOYA Investment Management
98
VOYA Investment Management
Georgia
$1.07M – – –
Qube Research & Technologies (QRT)
99
Qube Research & Technologies (QRT)
United Kingdom
$1.05M -$1.1M -10,071 -47%
WF
100
WoodTrust Financial
Wisconsin
$949K +$54.4K +500 +5%
2 3
4
5 6

IRTC Hedge Fund Activity: Q4 2022 in Review

208 of the 6,221 institutional investors tracked by Wall St. Rank reported a position in iRhythm Holdings (IRTC) for Q4 2022, worth a combined $2.92B — down 24% from $3.86B a quarter earlier.

Sellers outnumbered buyers: 51 funds closed out of IRTC and 31 opened new positions — a net loss of 20 holders — while 75 trimmed existing stakes and 71 added.

The largest buyer was Artisan Partners, adding an estimated $106M. The largest seller was Janus Henderson Group, cutting an estimated $51.9M.

  • 208 institutional investors held iRhythm Holdings (IRTC) as of Q4 2022, down from 233 in Q3 2022.
  • Funds reported $2.92B of iRhythm Holdings stock for Q4 2022, down 24% quarter-over-quarter.
  • 31 funds opened new iRhythm Holdings positions in Q4 2022 and 51 closed out, a net change of -20 holders.
  • The largest iRhythm Holdings buyer in Q4 2022 was Artisan Partners, an estimated $106M added.
  • The largest iRhythm Holdings seller in Q4 2022 was Janus Henderson Group, an estimated $51.9M sold.

Based on aggregated 13F filings for Q4 2022.