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iRhythm Holdings

118 hedge funds and large institutions have $1.3B invested in iRhythm Holdings in 2017 Q4 according to their latest regulatory filings, with 27 funds opening new positions, 48 increasing their positions, 30 reducing their positions, and 15 closing their positions.

New
Increased
Maintained
Reduced
Closed

80% more first-time investments, than exits

New positions opened: 27 | Existing positions closed: 15

60% more repeat investments, than reductions

Existing positions increased: 48 | Existing positions reduced: 30

11% more funds holding

Funds holding: 106118 (+12)

11% more capital invested

Capital invested by funds: $1.17B → $1.3B (+$131M)

1.85% more ownership

Funds ownership: 98.88%100.73% (+1.9%)

0% more funds holding in top 10

Funds holding in top 10: 33 (0)

40% less call options, than puts

Call options by funds: $2M | Put options by funds: $3.35M

Holders
118
Holders Change
+12
Holders Change %
+11.32%
% of All Funds
2.68%
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.07%
New
27
Increased
48
Reduced
30
Closed
15
Calls
$2M
Puts
$3.35M
Net Calls
-$1.35M
Net Calls Change
-$511K
Name Holding Trade Value Shares
Change
Change in
Stake
Capital Research Global Investors
1
Capital Research Global Investors
California
$137M +$2.09M +40,000 +2%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$116M -$4.48M -85,732 -4%
BlackRock
3
BlackRock
New York
$89.9M +$6.29M +120,352 +8%
Franklin Resources
4
Franklin Resources
California
$58.9M -$783K -14,989 -1%
AllianceBernstein
5
AllianceBernstein
Tennessee
$57M +$692K +13,236 +1%
RG
6
Redmile Group
California
$45.7M +$13.7M +262,533 +48%
CWAM
7
Columbia Wanger Asset Management
Illinois
$45.3M -$17.3M -331,553 -29%
Vanguard Group
8
Vanguard Group
Pennsylvania
$42.5M +$1.38M +26,373 +4%
Bank of New York Mellon
9
Bank of New York Mellon
New York
$42.4M +$1.02M +19,429 +3%
TCM
10
TimesSquare Capital Management
New York
$37.4M -$6.79M -130,000 -16%
Citadel Advisors
11
Citadel Advisors
Florida
$33.3M +$14.2M +271,543 +84%
JP Morgan Chase
12
JP Morgan Chase
New York
$29.1M +$10.7M +205,194 +65%
WRF
13
Waddell & Reed Financial
Kansas
$26.9M +$4.05M +77,466 +19%
Point72 Asset Management
14
Point72 Asset Management
Connecticut
$26.3M +$10.5M +201,648 +75%
Millennium Management
15
Millennium Management
New York
$24.3M +$5.74M +109,914 +34%
PA
16
Perceptive Advisors
New York
$24M +$2.86M +54,700 +15%
RSCM
17
Rock Springs Capital Management
Maryland
$22.8M +$1.05M +20,000 +5%
NCGI
18
Next Century Growth Investors
Minnesota
$21.9M -$1.22M -23,429 -6%
Fidelity International
19
Fidelity International
Bermuda
$21.1M +$9.12M +174,512 +86%
Norges Bank
20
Norges Bank
Norway
$18.9M +$17.6M +337,559 New
Loomis, Sayles & Company
21
Loomis, Sayles & Company
Massachusetts
$18.8M +$17.5M +335,488 New
Wells Fargo
22
Wells Fargo
California
$18.6M -$14.5M -276,863 -45%
NLVP
23
New Leaf Venture Partners
New York
$18.4M -$19.6M -375,000 -53%
State Street
24
State Street
Massachusetts
$17.5M +$3.98M +76,136 +32%
Lord, Abbett & Co
25
Lord, Abbett & Co
New Jersey
$15.5M -$1.6M -30,615 -10%

IRTC Hedge Fund Activity: Q4 2017 in Review

118 of the 4,409 institutional investors tracked by Wall St. Rank reported a position in iRhythm Holdings (IRTC) for Q4 2017, worth a combined $1.3B — up 11% from $1.17B a quarter earlier.

Buyers outnumbered sellers: 27 funds opened new IRTC positions and 15 closed out — a net gain of 12 holders — while 48 added to existing stakes and 30 trimmed.

The largest buyer was Norges Bank, opening a new position worth an estimated $17.6M. The largest seller was New Leaf Venture Partners, cutting an estimated $19.6M.

  • 118 institutional investors held iRhythm Holdings (IRTC) as of Q4 2017, up from 106 in Q3 2017.
  • Funds reported $1.3B of iRhythm Holdings stock for Q4 2017, up 11% quarter-over-quarter.
  • 27 funds opened new iRhythm Holdings positions in Q4 2017 and 15 closed out, a net change of +12 holders.
  • The largest iRhythm Holdings buyer in Q4 2017 was Norges Bank, an estimated $17.6M added.
  • The largest iRhythm Holdings seller in Q4 2017 was New Leaf Venture Partners, an estimated $19.6M sold.

Based on aggregated 13F filings for Q4 2017.