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iRhythm Holdings

222 hedge funds and large institutions have $3.56B invested in iRhythm Holdings in 2023 Q4 according to their latest regulatory filings, with 34 funds opening new positions, 87 increasing their positions, 69 reducing their positions, and 33 closing their positions.

New
Increased
Maintained
Reduced
Closed

26% more repeat investments, than reductions

Existing positions increased: 87 | Existing positions reduced: 69

14% more capital invested

Capital invested by funds: $3.12B → $3.56B (+$437M)

3% more first-time investments, than exits

New positions opened: 34 | Existing positions closed: 33

0% more funds holding in top 10

Funds holding in top 10: 22 (0)

0% less ownership

Funds ownership: 108.43%108.43% (-0%)

0% less funds holding

Funds holding: 223222 (-1)

9% less call options, than puts

Call options by funds: $24.8M | Put options by funds: $27.2M

Holders
222
Holders Change
-1
Holders Change %
-0.45%
% of All Funds
3.24%
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.03%
New
34
Increased
87
Reduced
69
Closed
33
Calls
$24.8M
Puts
$27.2M
Net Calls
-$2.47M
Net Calls Change
-$7.96M
Name Holding Trade Value Shares
Change
Change in
Stake
California State Teachers Retirement System (CalSTRS)
76
California State Teachers Retirement System (CalSTRS)
California
$3.46M -$125K -1,433 -4%
Tudor Investment Corp
77
Tudor Investment Corp
Connecticut
$3.36M +$777K +8,911 +40%
Royal Bank of Canada
78
Royal Bank of Canada
Ontario, Canada
$3.19M +$733K +8,411 +39%
State of New Jersey Common Pension Fund D
79
State of New Jersey Common Pension Fund D
New Jersey
$3.14M +$524K +6,012 +26%
Canada Pension Plan Investment Board
80
Canada Pension Plan Investment Board
Ontario, Canada
$3.02M +$1.49M +17,100 +154%
Citadel Advisors
81
Citadel Advisors
Florida
$2.58M +$1.38M +15,851 +191%
MOACM
82
Mutual of America Capital Management
New York
$2.52M -$93.2K -1,069 -4%
MSK
83
Melissa S. Kampmann
$2.48M +$65.4K +750 +3%
Macquarie Group
84
Macquarie Group
Australia
$2.42M +$287K +3,293 +17%
BMSSC
85
B. Metzler seel. Sohn & Co
Germany
$2.19M +$686K +7,867 +62%
GGHC
86
Gilder Gagnon Howe & Co
New York
$2.19M -$75.1K -862 -4%
UOC
87
UBS O'Connor
Illinois
$2.18M -$70.7K -811 -4%
MCM
88
McKinley Capital Management
Alaska
$2.13M +$599K +6,870 +53%
CAM
89
ClariVest Asset Management
California
$2.03M -$123K -1,409 -7%
TD Asset Management
90
TD Asset Management
Ontario, Canada
$2M -$1.32M -15,200 -45%
WG
91
Winton Group
United Kingdom
$1.85M +$1.51M +17,297 New
Truist Financial
92
Truist Financial
North Carolina
$1.74M +$99.4K +1,140 +8%
MIM
93
MetLife Investment Management
New Jersey
$1.72M
CSS
94
Cubist Systematic Strategies
Connecticut
$1.64M +$1.33M +15,289 New
AIG
95
American International Group
New York
$1.63M -$5.32K -61 -0.4%
BNP Paribas Financial Markets
96
BNP Paribas Financial Markets
France
$1.59M -$533K -6,120 -29%
Janus Henderson Group
97
Janus Henderson Group
United Kingdom
$1.5M -$2K -23 -0.2%
D.E. Shaw & Co
98
D.E. Shaw & Co
New York
$1.47M -$8.29M -95,140 -87%
WF
99
WoodTrust Financial
Wisconsin
$1.47M +$118K +1,350 +11%
HA
100
Homestead Advisers
Virginia
$1.37M +$566K +6,500 +103%

IRTC Hedge Fund Activity: Q4 2023 in Review

222 of the 6,859 institutional investors tracked by Wall St. Rank reported a position in iRhythm Holdings (IRTC) for Q4 2023, worth a combined $3.56B — up 14% from $3.12B a quarter earlier.

Buyers outnumbered sellers: 34 funds opened new IRTC positions and 33 closed out — a net gain of 1 holder — while 87 added to existing stakes and 69 trimmed.

The largest buyer was Summit Partners Public Asset Management, adding an estimated $36.2M. The largest seller was Fidelity Investments, cutting an estimated $64M.

  • 222 institutional investors held iRhythm Holdings (IRTC) as of Q4 2023, down from 223 in Q3 2023.
  • Funds reported $3.56B of iRhythm Holdings stock for Q4 2023, up 14% quarter-over-quarter.
  • 34 funds opened new iRhythm Holdings positions in Q4 2023 and 33 closed out, a net change of +1 holder.
  • The largest iRhythm Holdings buyer in Q4 2023 was Summit Partners Public Asset Management, an estimated $36.2M added.
  • The largest iRhythm Holdings seller in Q4 2023 was Fidelity Investments, an estimated $64M sold.

Based on aggregated 13F filings for Q4 2023.