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iRhythm Holdings
IRTC

223 hedge funds and large institutions have $3.12B invested in iRhythm Holdings in 2023 Q3 according to their latest regulatory filings, with 38 funds opening new positions, 78 increasing their positions, 75 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed

138% more first-time investments, than exits

New positions opened: 38 | Existing positions closed: 16

16% more call options, than puts

Call options by funds: $40.1M | Put options by funds: $34.6M

10% more funds holding

Funds holding: 203 → 223 (+20)

4% more repeat investments, than reductions

Existing positions increased: 78 | Existing positions reduced: 75

0% more funds holding in top 10

Funds holding in top 10: 2 → 2 (0)

0.9% less ownership

Funds ownership: 109.33% → 108.43% (-0.9%)

10% less capital invested

Capital invested by funds: $3.47B → $3.12B (-$354M)

Holders
223
Holders Change
+20
Holders Change %
+9.85%
% of All Funds
3.54%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
38
Increased
78
Reduced
75
Closed
16
Calls
$40.1M
Puts
$34.6M
Net Calls
+$5.49M
Net Calls Change
+$44.5M

Top Buyers

Rank Fund Capital Flow
1
Artisan Partners
Artisan Partners
Wisconsin
+$36.6M
2
SPC
Slate Path Capital
New York
+$29.9M
3
AllianceBernstein
AllianceBernstein
Tennessee
+$29.3M
4
Bank of New York Mellon
Bank of New York Mellon
New York
+$23.5M
5
Wellington Management Group
Wellington Management Group
Massachusetts
+$22.3M

Top Sellers

Rank Fund Capital Flow
1
Fidelity Investments
Fidelity Investments
Massachusetts
-$77.7M
2
Janus Henderson Group
Janus Henderson Group
United Kingdom
-$23.8M
3
Balyasny Asset Management
Balyasny Asset Management
Illinois
-$20.8M
4
Allspring Global Investments
Allspring Global Investments
North Carolina
-$18.1M
5
Invesco
Invesco
Georgia
-$15.8M
Name Holding Trade Value Shares
Change 		Change in
Stake
MOACM
76
Mutual of America Capital Management
New York
$2.32M -$149K -1,465 -6%
State of New Jersey Common Pension Fund D
77
State of New Jersey Common Pension Fund D
New Jersey
$2.2M +$236K +2,322 +11%
Squarepoint
78
Squarepoint
New York
$2.13M +$2.3M +22,637 New
Tudor Investment Corp
79
Tudor Investment Corp
Connecticut
$2.12M -$999K -9,830 -30%
MSK
80
Melissa S. Kampmann
$2.11M +$2.28M +22,390 New
Royal Bank of Canada
81
Royal Bank of Canada
Ontario, Canada
$2.02M +$274K +2,690 +14%
GGHC
82
Gilder Gagnon Howe & Co
New York
$2.01M -$66.5K -654 -3%
UOC
83
UBS O'Connor
Illinois
$1.99M +$877K +8,629 +69%
BNP Paribas Financial Markets
84
BNP Paribas Financial Markets
France
$1.97M +$730K +7,180 +52%
CAM
85
ClariVest Asset Management
California
$1.92M +$2.03K +20 +0.1%
EAM
86
EULAV Asset Management
Florida
$1.91M – – –
TI
87
Trexquant Investment
Connecticut
$1.85M +$1.67M +16,416 +511%
Macquarie Group
88
Macquarie Group
Australia
$1.82M +$229K +2,250 +13%
Baird Financial Group
89
Baird Financial Group
Wisconsin
$1.7M +$24.8K +244 +1%
MIM
90
MetLife Investment Management
New Jersey
$1.51M – – –
FAM
91
Fred Alger Management
New York
$1.49M +$1.6M +15,760 New
AIG
92
American International Group
New York
$1.44M +$55.3K +544 +4%
Truist Financial
93
Truist Financial
North Carolina
$1.42M +$1.93K +19 +0.1%
MAG
94
Millrace Asset Group
Pennsylvania
$1.34M +$1.45M +14,272 New
Janus Henderson Group
95
Janus Henderson Group
United Kingdom
$1.32M -$23.8M -234,427 -94%
AG
96
Algert Global
California
$1.27M -$448K -4,410 -25%
MCM
97
McKinley Capital Management
Alaska
$1.23M – – –
SWS
98
SYSTM Wealth Solutions
Illinois
$1.23M +$112K +1,103 +9%
BMSSC
99
B. Metzler seel. Sohn & Co
Germany
$1.19M +$1.28M +12,633 New
WF
100
WoodTrust Financial
Wisconsin
$1.17M – – –
2 3
4
5 6

IRTC Hedge Fund Activity: Q3 2023 in Review

223 of the 6,301 institutional investors tracked by Wall St. Rank reported a position in iRhythm Holdings (IRTC) for Q3 2023, worth a combined $3.12B — down 10% from $3.47B a quarter earlier.

Buyers outnumbered sellers: 38 funds opened new IRTC positions and 16 closed out — a net gain of 22 holders — while 78 added to existing stakes and 75 trimmed.

The largest buyer was Artisan Partners, adding an estimated $36.6M. The largest seller was Fidelity Investments, cutting an estimated $77.7M.

  • 223 institutional investors held iRhythm Holdings (IRTC) as of Q3 2023, up from 203 in Q2 2023.
  • Funds reported $3.12B of iRhythm Holdings stock for Q3 2023, down 10% quarter-over-quarter.
  • 38 funds opened new iRhythm Holdings positions in Q3 2023 and 16 closed out, a net change of +22 holders.
  • The largest iRhythm Holdings buyer in Q3 2023 was Artisan Partners, an estimated $36.6M added.
  • The largest iRhythm Holdings seller in Q3 2023 was Fidelity Investments, an estimated $77.7M sold.

Based on aggregated 13F filings for Q3 2023.