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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
Wellington Management Group
26
Wellington Management Group
Massachusetts
$36.3M -$74M -806,529 -72%
Northern Trust
27
Northern Trust
Illinois
$35M -$695K -7,578 -2%
VIA
28
Vident Investment Advisory
Georgia
$32.9M -$27.4M -298,375 -52%
Legal & General Group
29
Legal & General Group
United Kingdom
$30.6M -$21.1M -229,881 -47%
New York State Common Retirement Fund
30
New York State Common Retirement Fund
New York
$26.5M +$5.83M +63,582 +39%
Charles Schwab
31
Charles Schwab
California
$24.6M +$379K +4,135 +2%
HCM
32
Hitchwood Capital Management
New York
$21.2M +$16.5M +180,000 New
SI
33
Sofinnova Investments
California
$19.9M +$15.5M +168,882 New
LOAMS
34
Lombard Odier Asset Management (Switzerland)
Switzerland
$19M +$5.65M +61,571 +62%
Bank of America
35
Bank of America
North Carolina
$18.8M +$3.82M +41,628 +35%
Artisan Partners
36
Artisan Partners
Wisconsin
$17.8M +$13.8M +150,903 New
HF
37
HRT Financial
New York
$15.6M +$11.1M +121,273 +1,084%
Balyasny Asset Management
38
Balyasny Asset Management
Illinois
$15.1M -$2.86M -31,130 -19%
PAMP
39
Polar Asset Management Partners
Ontario, Canada
$15.1M +$4.1M +44,700 +53%
D.E. Shaw & Co
40
D.E. Shaw & Co
New York
$14.5M -$4.73M -51,584 -29%
Wells Fargo
41
Wells Fargo
California
$13.9M +$1.6M +17,401 +17%
Carson Wealth (CWM LLC)
42
Carson Wealth (CWM LLC)
Nebraska
$13.9M +$10.8M +117,781 New
N
43
Nuveen
North Carolina
$13.8M -$368K -4,016 -3%
Voloridge Investment Management
44
Voloridge Investment Management
Florida
$13.8M -$10.8M -117,688 -50%
Mirae Asset Global Investments
45
Mirae Asset Global Investments
South Korea
$12.8M -$4.47M -48,759 -31%
CCP
46
Clough Capital Partners
Massachusetts
$11.2M +$521K +5,675 +6%
AIMCA
47
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$9.78M – – –
CWG
48
C WorldWide Group
Denmark
$9.41M – – –
Morgan Stanley
49
Morgan Stanley
New York
$9.13M -$10.4M -113,082 -59%
EP
50
Eversept Partners
New York
$8.61M -$3.73M -40,685 -36%
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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.