Ownership Profile

Shareholder Breakdown
  Holders Values ($) % O/S Shares
Institution 118 51.77 74.76 23,426,566
Mutual Fund 101 14.65 11.89 3,725,294

Institutional Shareholder Rotation
  Holders Values Change ($) % O/S Shares Change
Buyers 50 3.88 5.57 1,744,517
Sellers 65 -26.28 27.74 -8,691,005
Net -- -22.40 22.17 -6,946,488

Institutional Shareholder Concentration
  Values ($) % O/S Shares
Top 10 Inst. 39 56.91 17,833,540
Top 20 Inst. 45.40 65.82 20,623,498
Top 50 Inst. 50.34 73.03 22,883,718
Total Inst. 50.34 73.03 22,883,718

Institutional Shareholder Style
  Holders Values ($) % O/S Shares
Index 17 5 10.06 2,115,344
CoreGrowth 12 1 1.70 356,910
AggresGr 1 0 0.75 157,940
Growth 4 0 0.36 74,879
IncomeValue 3 1 2.30 484,229
VCPrivateEquity 4 26 53.02 11,146,815
GARP 14 6 13.62 2,863,784
HedgeFund 14 5 10.58 2,225,091
Specialty 2 1 2.10 441,810
BrokerDealer 17 1 2.02 424,567
CoreValue 10 0 0.80 168,418
DeepValue 5 0 0.52 108,320
Momentum 1 0 0.00 732

Top Holders: Institutional Investor
  Shares Held % O/S Shares Change Filing Date
Delphi Ventures L.P. 3,668,019 11.71 0 01/31/2017
Domain Associates, L.L.C. 3,243,448 10.35 0 01/31/2017
TPG Capital, L.P. 2,496,194 7.97 0 01/31/2017
Blickenstaff (Kim D) 2,007,939 6.41 1,600,000 03/23/2017
HLM Venture Partners 1,739,154 5.55 0 01/31/2017
Wasatch Advisors, Inc. 1,329,842 4.24 141,684 12/31/2016
Frontier Capital Management Company, LLC 1,092,920 3.49 -30,526 12/31/2016
BlackRock Institutional Trust Company, N.A. 936,738 2.99 95,782 12/31/2016
Dafna Capital Management, LLC 724,286 2.31 0 12/31/2016
Rock Springs Capital Management LP 595,000 1.90 0 12/31/2016
Managed Account Advisors LLC 439,762 1.40 336,638 12/31/2016
The Vanguard Group, Inc. 427,141 1.36 -319,814 12/31/2016
Granite Investment Partners, LLC 345,556 1.10 191,478 12/31/2016
Renaissance Technologies LLC 304,400 0.97 -52,000 12/31/2016
Eventide Asset Management, LLC 275,000 0.88 0 12/31/2016
Rhenman & Partners Asset Management AB 234,000 0.75 0 12/31/2016
State Street Global Advisors (US) 232,147 0.74 5,645 12/31/2016
Northern Trust Investments, Inc. 189,847 0.61 703 12/31/2016
Allen (Dick P) 172,211 0.55 10,000 01/31/2017
PanAgora Asset Management Inc. 169,894 0.54 169,894 12/31/2016
Shaker Investments, L.L.C. 157,940 0.50 -14,100 12/31/2016
Geode Capital Management, L.L.C. 146,739 0.47 1,059 12/31/2016
BNY Mellon Wealth Management 145,768 0.47 -1,280 12/31/2016
Gradient Investments LLC 141,201 0.45 98,610 12/31/2016
Greene (Howard E Jr) 117,865 0.38 0 01/31/2017
Medical Strategy GmbH 103,825 0.33 -42,025 11/30/2016
FDX Advisors, Inc. 97,746 0.31 53,975 12/31/2016
Old National Wealth Management 91,459 0.29 50,143 12/31/2016
Oppenheim Asset Management Services S.à r.l. 89,725 0.29 0 12/31/2016
TIAA Global Asset Management 87,120 0.28 -24,070 12/31/2016
Wedbush Securities, Inc. 77,340 0.25 38,070 12/31/2016
D. E. Shaw & Co., L.P. 76,619 0.24 -97,938 12/31/2016
BlackRock Investment Management, LLC 75,852 0.24 0 12/31/2016
Iguana Healthcare Management, LLC 75,000 0.24 -110,000 12/31/2016
KeyBanc Capital Markets 69,537 0.22 34,726 12/31/2016
Susquehanna Financial Group, LLLP 68,388 0.22 68,388 12/31/2016
First Republic Investment Management, Inc. 58,838 0.19 39,638 12/31/2016
Charles Schwab Investment Management, Inc. 56,765 0.18 3,234 12/31/2016
Morgan Stanley & Co. LLC 54,136 0.17 50,734 12/31/2016
A.R.T. Advisors, LLC 54,100 0.17 54,100 12/31/2016
TFS Capital LLC 49,171 0.16 49,171 12/31/2016
Cajigas (John) 48,985 0.16 0 01/31/2017
Cutler Group, LP 47,721 0.15 45,600 12/31/2016
BNY Mellon Asset Management 47,214 0.15 -1,286 12/31/2016
Twomey (Christopher J) 43,070 0.14 0 01/31/2017
California State Teachers Retirement System 39,101 0.12 -300 12/31/2016
KCG Americas LLC 38,367 0.12 26,341 12/31/2016
Citadel LLC 37,779 0.12 21,788 12/31/2016
Goldman Sachs & Company, Inc. 32,067 0.10 32,067 12/31/2016
Apo Asset Management GmbH 30,782 0.10 0 11/30/2016

Ownership data is provided by Thomson Reuters, a third party service, and Tandem Diabetes Care does not maintain or provide information directly to this service.