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iRhythm Holdings

217 hedge funds and large institutions have $4.32B invested in iRhythm Holdings in 2021 Q1 according to their latest regulatory filings, with 52 funds opening new positions, 64 increasing their positions, 79 reducing their positions, and 68 closing their positions.

New
Increased
Maintained
Reduced
Closed

105% more call options, than puts

Call options by funds: $35.9M | Put options by funds: $17.5M

8% less funds holding

Funds holding: 235217 (-18)

8.49% less ownership

Funds ownership: 115.68%107.19% (-8.5%)

19% less repeat investments, than reductions

Existing positions increased: 64 | Existing positions reduced: 79

24% less first-time investments, than exits

New positions opened: 52 | Existing positions closed: 68

45% less capital invested

Capital invested by funds: $7.9B → $4.32B (-$3.57B)

100% less funds holding in top 10

Funds holding in top 10: 20 (-2)

Holders
217
Holders Change
-18
Holders Change %
-7.66%
% of All Funds
3.81%
Holding in Top 10
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-100%
% of All Funds
New
52
Increased
64
Reduced
79
Closed
68
Calls
$35.9M
Puts
$17.5M
Net Calls
+$18.3M
Net Calls Change
+$56.8M
Name Holding Trade Value Shares
Change
Change in
Stake
Sands Capital Management
1
Sands Capital Management
Virginia
$423M -$4.76M -26,585 -0.9%
Vanguard Group
2
Vanguard Group
Pennsylvania
$380M -$3.11M -17,361 -0.6%
BCM
3
Brown Capital Management
Maryland
$376M -$2.8M -15,625 -0.6%
BlackRock
4
BlackRock
New York
$316M +$63.3K +353 +0%
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$274M +$28.9M +161,457 +9%
JP Morgan Chase
6
JP Morgan Chase
New York
$158M +$34.1M +190,180 +20%
Wells Fargo
7
Wells Fargo
California
$152M +$17.7M +98,578 +10%
Macquarie Group
8
Macquarie Group
Australia
$149M +$58.8M +327,830 +44%
CS
9
Credit Suisse
Switzerland
$132M +$65.4M +364,754 +62%
AllianceBernstein
10
AllianceBernstein
Tennessee
$123M -$27.2M -151,914 -15%
Artisan Partners
11
Artisan Partners
Wisconsin
$108M -$104M -580,563 -43%
Capital Research Global Investors
12
Capital Research Global Investors
California
$104M -$78.3M -436,774 -37%
Invesco
13
Invesco
Georgia
$99.7M -$23.8M -132,929 -16%
State Street
14
State Street
Massachusetts
$88.7M -$29.9K -167 -0%
New York State Common Retirement Fund
15
New York State Common Retirement Fund
New York
$75M -$6.72M -37,478 -6%
William Blair & Company
16
William Blair & Company
Illinois
$69.2M +$51.2M +285,555 +134%
Geode Capital Management
17
Geode Capital Management
Massachusetts
$66.6M +$6.33M +35,306 +8%
RSCM
18
Rock Springs Capital Management
Maryland
$60.1M -$34.5M -192,504 -31%
GGHC
19
Gilder Gagnon Howe & Co
New York
$54.7M -$2.06M -11,490 -3%
Bessemer Group
20
Bessemer Group
New Jersey
$53.7M
Fiera Capital (Canada)
21
Fiera Capital (Canada)
Quebec, Canada
$53.5M -$685K -3,823 -1%
ClearBridge Investments
22
ClearBridge Investments
New York
$51.2M +$9.72M +54,246 +17%
BNP Paribas Asset Management
23
BNP Paribas Asset Management
France
$49.7M +$4.4M +24,558 +7%
Northern Trust
24
Northern Trust
Illinois
$43.6M -$2.83M -15,802 -5%
Norges Bank
25
Norges Bank
Norway
$38.7M -$19.2M -107,262 -28%

IRTC Hedge Fund Activity: Q1 2021 in Review

217 of the 5,695 institutional investors tracked by Wall St. Rank reported a position in iRhythm Holdings (IRTC) for Q1 2021, worth a combined $4.32B — down 45% from $7.9B a quarter earlier.

Sellers outnumbered buyers: 68 funds closed out of IRTC and 52 opened new positions — a net loss of 16 holders — while 79 trimmed existing stakes and 64 added.

The largest buyer was Credit Suisse, adding an estimated $65.4M. The largest seller was Jackson Square Partners, exiting entirely with an estimated $176M sold.

  • 217 institutional investors held iRhythm Holdings (IRTC) as of Q1 2021, down from 235 in Q4 2020.
  • Funds reported $4.32B of iRhythm Holdings stock for Q1 2021, down 45% quarter-over-quarter.
  • 52 funds opened new iRhythm Holdings positions in Q1 2021 and 68 closed out, a net change of -16 holders.
  • The largest iRhythm Holdings buyer in Q1 2021 was Credit Suisse, an estimated $65.4M added.
  • The largest iRhythm Holdings seller in Q1 2021 was Jackson Square Partners, an estimated $176M sold.

Based on aggregated 13F filings for Q1 2021.