Stemline Targeting cancer at its root
developing novel drugs that attack Cancer Stem Cells

Ownership Profile

Ownership Profile

Shareholders

Shareholder Holders Value ($MM) % O/S Shares
Institution 120 139.98 64.91 16,302,677
Mutual Fund 129 64.87 29.01 7,284,893
Insider 7 19.43 11.00 2,762,947

Rotation

Shareholder Holders Value Chg ($MM) % O/S Share Change
Buyers 58 39.99 18.62 4,676,363
Sellers 54 -14.43 6.72 -1,688,817
Net -- 25.56 11.90 2,987,546

Concentration

Value ($MM) % O/S Shares
Total Inst. 139.98 64.91 16,302,677
Top 10 Inst. 101.26 46.75 11,740,787
Top 20 Inst. 121.10 56.13 14,098,487
Top 50 Inst. 136.61 63.35 15,911,569

Top Holders

Holder Shares Held % O/S Share Change Filing Date
Fidelity Management & Research Company 2,538,892 10.11 1,063,457 3/31/17
Bergstein (Ivan) 2,085,380 8.30 -- 4/20/17
Franklin Advisers, Inc. 1,449,073 5.77 -- 3/31/17
Farallon Capital Management, L.L.C. 1,167,500 4.65 910,000 3/31/17
BlackRock Institutional Trust Company, N.A. 1,117,526 4.45 284,303 3/31/17
Eventide Asset Management, LLC 1,086,400 4.33 235,000 3/31/17
The Vanguard Group, Inc. 825,153 3.29 204,228 3/31/17
Baker Bros. Advisors LP 633,497 2.52 300,000 3/31/17
Millennium Management LLC 428,223 1.71 263,921 3/31/17
Hoberman (Kenneth) 409,143 1.63 1,269 4/20/17
State Street Global Advisors (US) 310,247 1.24 58,443 3/31/17
Sphera Funds Management Ltd. 300,000 1.19 300,000 3/31/17
Sabby Management, LLC 290,087 1.16 -67,719 3/31/17
Medical Strategy GmbH 243,575 0.97 -- 2/28/17
VHCP Management, LLC 228,130 0.91 -223,270 3/31/17
Ghost Tree Capital, LLC 225,000 0.90 225,000 3/31/17
Northern Trust Investments, Inc. 219,712 0.87 30,083 3/31/17
Columbus Circle Investors 214,816 0.86 117,187 3/31/17
Gionco (David G) 166,213 0.66 642 4/20/17
Geode Capital Management, L.L.C. 159,920 0.64 27,029 3/31/17
J. Goldman & Co., L.P. 140,000 0.56 -59,886 3/31/17
Bailard, Inc. 138,785 0.55 15,000 3/31/17
Oppenheim Asset Management Services S.à r.l. 115,749 0.46 -46,426 3/31/17
TIAA Global Asset Management 105,055 0.42 15,549 3/31/17
Artal International S.C.A. 100,000 0.40 100,000 3/31/17
PanAgora Asset Management Inc. 98,283 0.39 42,777 3/31/17
BlackRock Investment Management, LLC 80,100 0.32 6,230 3/31/17
Cowen Investment Management LLC 76,900 0.31 76,900 3/31/17
Susquehanna Financial Group, LLLP 75,746 0.30 6,824 3/31/17
BNY Mellon Asset Management 70,171 0.28 21,031 3/31/17
Dimensional Fund Advisors, L.P. 68,899 0.27 -10,820 3/31/17
HAP Trading, LLC 65,387 0.26 65,387 3/31/17
Pura Vida Investments, LLC 60,000 0.24 60,000 3/31/17
Forman (Alan S) 58,140 0.23 10,000 6/19/17
Trexquant Investment LP 57,311 0.23 57,311 3/31/17
Columbia Threadneedle Investments (US) 43,900 0.17 3,500 3/31/17
California State Teachers Retirement System 42,149 0.17 7,400 3/31/17
Apo Asset Management GmbH 41,389 0.16 -- 2/28/17
Charles Schwab Investment Management, Inc. 40,200 0.16 14,200 3/31/17
Oak Ridge Investments, LLC 36,208 0.14 2,055 3/31/17
New York State Common Retirement Fund 35,916 0.14 4,716 3/31/17
A.R.T. Advisors, LLC 35,038 0.14 35,038 3/31/17
Zuerblis (Kenneth J) 31,963 0.13 10,000 6/19/17
California Public Employees' Retirement System 31,100 0.12 -- 3/31/17
Morgan Stanley & Co. LLC 30,938 0.12 -18,583 3/31/17
Dobmeier (Eric L) 27,963 0.11 10,000 6/19/17
Bentsur (Ron) 27,285 0.11 10,000 6/19/17
UBS Financial Services, Inc. 26,945 0.11 15,232 3/31/17
Carl Domino, Inc. 26,000 0.10 -- 3/31/17
AQR Capital Management, LLC 25,562 0.10 25,562 3/31/17

* Insider values reflect direct beneficial ownership.



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