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SUCAMPO PHARMACEUTICALS INC
SUCAMPO PHARMACEUTICALS INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 127 Institutional holders with a total value of $282,137,737.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Granahan Investment Management, LLC 2,020,564 31,440,000 11.14%
2 BlackRock Fund Advisors 1,063,111 16,542,000 5.86%
3 DIMENSIONAL FUND ADVISORS LP 1,026,614 15,974,000 5.66%
4 Krensavage Asset Management, LLC 933,866 14,531,000 5.15%
5 BlackRock Institutional Trust Company, N.A. 805,031 12,526,000 4.44%
6 MILLENNIUM MANAGEMENT LLC 804,994 12,526,000 4.44%
7 Visium Asset Management, LP 702,600 10,932,000 3.87%
8 VANGUARD GROUP INC 697,838 10,859,000 3.85%
9 BLACKROCK ADVISORS LLC 479,352 7,459,000 2.64%
10 RA CAPITAL MANAGEMENT, L.P. 450,000 7,002,000 2.48%
11 GREAT POINT PARTNERS LLC 450,000 7,002,000 2.48%
12 MORGAN STANLEY 375,412 5,842,000 2.07%
13 BOGLE INVESTMENT MANAGEMENT L P /DE/ 354,532 5,516,000 1.96%
14 Bank of New York Mellon Corp 344,110 5,354,000 1.90%
15 OXFORD ASSET MANAGEMENT LLP 314,944 4,901,000 1.74%
16 AWM Investment Company, Inc. 300,000 4,668,000 1.65%
17 UNITED SERVICES AUTOMOBILE ASSOCIATION 299,650 4,663,000 1.65%
18 ACADIAN ASSET MANAGEMENT LLC 278,801 4,340,000 1.54%
19 STATE STREET CORP 257,874 4,018,000 1.42%
20 DRIEHAUS CAPITAL MANAGEMENT LLC 247,000 3,843,000 1.36%
21 DEERFIELD MANAGEMENT COMPANY, L.P. 225,000 3,501,000 1.24%
22 NEW AMSTERDAM PARTNERS LLC/NY 224,888 3,499,000 1.24%
23 RENAISSANCE TECHNOLOGIES LLC 223,714 3,481,000 1.23%
24 NORTHERN TRUST CORP 215,090 3,347,000 1.19%
25 Informed Momentum Co LLC 211,224 3,287,000 1.17%
26 MCKINLEY CAPITAL MANAGEMENT LLC 181,024 2,817,000 1.00%
27 GEODE CAPITAL MANAGEMENT, LLC 176,468 2,745,000 0.97%
28 ESSEX INVESTMENT MANAGEMENT CO LLC 154,540 2,405,000 0.85%
29 QS Investors, LLC 145,810 2,269,000 0.80%
30 AMERICAN CENTURY COMPANIES INC 139,609 2,172,000 0.77%
31 PUTNAM INVESTMENTS LLC 128,942 2,007,000 0.71%
32 Convergence Investment Partners, LLC 128,130 1,994,000 0.71%
33 WELLINGTON MANAGEMENT GROUP LLP 127,121 1,978,000 0.70%
34 AQR ARBITRAGE LLC 126,000 1,961,000 0.70%
35 Trexquant Investment LP 125,500 1,952,000 0.69%
36 Invesco Ltd. 116,938 1,819,000 0.64%
37 SUSQUEHANNA INTERNATIONAL GROUP, LLP 115,857 1,803,000 0.64%
38 GSA CAPITAL PARTNERS LLP 111,410 1,734,000 0.61%
39 Gotham Asset Management, LLC 103,538 1,611,000 0.57%
40 PRUDENTIAL FINANCIAL INC 99,753 1,552,000 0.55%
41 AQR CAPITAL MANAGEMENT LLC 99,186 1,543,000 0.55%
42 Spark Investment Management LLC 94,600 1,471,000 0.52%
43 ANALYTIC INVESTORS, LLC 93,141 1,449,000 0.51%
44 CITADEL ADVISORS LLC 92,596 1,441,000 0.51%
45 TFS CAPITAL LLC 87,537 1,362,000 0.48%
46 GILDER GAGNON HOWE & CO LLC 84,683 1,318,000 0.47%
47 TWO SIGMA INVESTMENTS, LP 80,578 1,254,000 0.44%
48 CREDIT SUISSE AG/ 77,833 1,210,000 0.43%
49 MONASHEE INVESTMENT MANAGEMENT LLC 75,000 1,167,000 0.41%
50 AMERIPRISE FINANCIAL INC 72,204 1,123,000 0.40%
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From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.