IR
Superintel
OverviewMarketsWatchlist
© 2026 IR SuperintelMethodologyContact

Arrhythmia Research

CUSIP: 042698308 | 27 institutional holders

Quarters

Q4 2016Q3 2016Q2 2016Q1 2016Q4 2015
CompareDetailedHistoricalFundsOptions13D/13GPeersTargetingTrading SummaryProfile

Institutional Holders — Q4 2016

Renaissance Technologies LLC94,700
0.0% of portfolio›$360
FNY Managed Accounts LLC81,688
2.1% of portfolio›$310.4K
Dimensional Fund Advisors LP56,453
0.0% of portfolio›$215
FMR LLC49,200
0.0% of portfolio›$187
California Public Employees Retirement System26,800
0.0% of portfolio›$102
Vanguard Group Inc14,015
0.0% of portfolio›$54
Shepherd Kaplan Krochuk, LLC10,459
0.0% of portfolio›$40
Commonwealth Equity Services, Inc10,000
0.0% of portfolio›$38
UBS Group AG3,401
0.0% of portfolio›$13
Wynnefield Capital IncA3,363
0.0% of portfolio›$13
BlackRock Fund Advisors620
0.0% of portfolio›$2
Nationwide Fund Advisors200
0.0% of portfolio›$1
Wells Fargo & Company1
0.0% of portfolio›$0
StyleTurnoverLocationFiled
Renaissance Technologies LLC
94,700$3600.0%CoreHighNew York, NY2017-02-13
FNY Managed Accounts LLC
81,688$310.4K2.1%N/AN/ANew York, NY2017-02-08
Dimensional Fund Advisors LP
56,453$2150.0%IndexLowAustin, TX2017-02-09
FMR LLC
49,200$1870.0%GrowthMediumBoston, MA2017-02-28
California Public Employees Retirement System
26,800$1020.0%GrowthLowSacramento, CA2017-02-10
Vanguard Group Inc
14,015$540.0%N/AN/AValley Forge, PA2017-02-14
Shepherd Kaplan Krochuk, LLC
10,459$400.0%ETFLowBoston, MA2017-02-10
Commonwealth Equity Services, Inc
10,000$380.0%N/AN/AWaltham, MA2018-02-16
UBS Group AG
3,401$130.0%CoreMediumZurich, Switzerland2017-02-14
Wynnefield Capital IncActivist
3,363$130.0%Deep ValueVery LowNew York, NY2017-02-14
BlackRock Fund Advisors
620$20.0%N/AN/ASan Francisco, CA2017-02-10
Nationwide Fund Advisors
200$10.0%ETFVery LowColumbus, OH2017-01-27
Wells Fargo & Company
1$00.0%CoreLowSan Francisco, CA2017-02-01