ATHX -

. Currency in USD

Major Holders

Currency in USD
Breakdown
11.82%% of Shares Held by All Insider
21.65%% of Shares Held by Institutions
24.55%% of Float Held by Institutions
117Number of Institutions Holding Shares

Top Institutional Holders

HolderSharesDate Reported% OutValue
Blackrock Inc.10,024,283Sep 29, 20196.40%13,332,296
Vanguard Group, Inc. (The)6,494,523Sep 29, 20194.15%8,637,715
Prudential PLC4,217,697Sep 29, 20192.69%5,609,537
State Street Corporation2,332,227Sep 29, 20191.49%3,101,861
Northern Trust Corporation1,598,299Sep 29, 20191.02%2,125,737
Geode Capital Management, LLC1,590,641Sep 29, 20191.02%2,115,552
Renaissance Technologies, LLC1,006,926Sep 29, 20190.64%1,339,211
Nuveen Asset Management621,502Sep 29, 20190.40%826,597
Coastal Investment Advisors, Inc.433,350Sep 29, 20190.28%576,355
Bank Of New York Mellon Corporation371,509Sep 29, 20190.24%494,106

Top Mutual Fund Holders

HolderSharesDate Reported% OutValue
Vanguard Total Stock Market Index Fund3,599,495Jun 29, 20192.30%6,047,151
iShares Russell 2000 ETF2,809,670Oct 30, 20191.79%3,596,377
Vanguard Extended Market Index Fund1,848,028Jun 29, 20191.18%3,104,687
iShares Russell 2000 Growth ETF1,130,069Oct 30, 20190.72%1,446,488
Fidelity Small Cap Index Fund609,455Oct 30, 20190.39%780,102
Fidelity Extended Market Index Fund600,575Oct 30, 20190.38%768,736
BlackRock Advantage Small Cap Growth Fund385,357Sep 29, 20190.25%512,524
iShares Micro Cap ETF319,271Oct 30, 20190.20%408,666
Alps ETF Tr-Alps Medical Breakthroughs ETF307,570Aug 30, 20190.20%409,068
College Retirement Equities Fund-Stock Account298,748Jun 29, 20190.19%501,896