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SIENTRA INC
SIENTRA INC. Institutional holdings reported to the SEC.

Institutional Holders (2016Q4)
Portfolio Summary: 56 Institutional holders with a total value of $124,043,726.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Clarus Ventures, LLC 2,730,765 23,266,000 18.76%
2 Abingworth LLP 2,199,012 18,692,000 15.07%
3 Park West Asset Management LLC 1,618,676 13,791,000 11.12%
4 CANNELL CAPITAL LLC 1,113,571 9,488,000 7.65%
5 GOLDMAN SACHS GROUP INC 783,928 6,679,000 5.38%
6 ORBIMED ADVISORS LLC 742,574 6,327,000 5.10%
7 GILDER GAGNON HOWE & CO LLC 697,383 5,942,000 4.79%
8 AMERIPRISE FINANCIAL INC 559,414 4,766,000 3.84%
9 PURA VIDA INVESTMENTS, LLC 500,000 4,260,000 3.43%
10 Jefferies Group LLC 497,100 4,235,000 3.41% Put
11 CLOVERDALE CAPITAL MANAGEMENT, LLC 351,039 2,991,000 2.41%
12 SCHONFELD STRATEGIC ADVISORS LLC 335,000 2,854,000 2.30%
13 VANGUARD GROUP INC 285,687 2,434,000 1.96%
14 Atika Capital Management LLC 210,000 1,789,000 1.44%
15 MILLENNIUM MANAGEMENT LLC 176,623 1,505,000 1.21%
16 SCHRODER INVESTMENT MANAGEMENT GROUP 169,741 1,446,000 1.17%
17 BAMCO INC /NY/ 168,500 1,436,000 1.16%
18 Jefferies Group LLC 160,000 1,363,000 1.10%
19 BRIDGEWAY CAPITAL MANAGEMENT, LLC 155,200 1,322,000 1.07%
20 PRELUDE CAPITAL MANAGEMENT, LLC 147,813 1,259,000 1.01%
21 22NW, LP 132,400 1,128,000 0.91%
22 BlackRock Institutional Trust Company, N.A. 109,324 931,000 0.75%
23 Parallax Volatility Advisers, L.P. 100,000 852,000 0.69% Put
24 GEODE CAPITAL MANAGEMENT, LLC 81,874 697,000 0.56%
25 SABBY MANAGEMENT, LLC 70,973 605,000 0.49%
26 Birchview Capital, LP 63,300 539,000 0.43%
27 Bank of New York Mellon Corp 51,510 439,000 0.35%
28 Parallax Volatility Advisers, L.P. 45,438 387,000 0.31%
29 BlackRock Fund Advisors 40,785 347,000 0.28%
30 BLAIR WILLIAM & CO/IL 30,164 257,000 0.21%
31 SUSQUEHANNA INTERNATIONAL GROUP, LLP 25,747 219,000 0.18%
32 RAYMOND JAMES & ASSOCIATES 25,500 217,000 0.17%
33 MORGAN STANLEY 23,353 198,000 0.16%
34 FIRST NEW YORK SECURITIES LLC /NY 22,143 188,658 0.15%
35 FNY PARTNERS FUND LP 21,143 180,000 0.15%
36 NORTHERN TRUST CORP 20,971 179,000 0.14%
37 SUSQUEHANNA INTERNATIONAL GROUP, LLP 16,300 139,000 0.11% Put
38 PARAMETRIC PORTFOLIO ASSOCIATES LLC 14,345 122,000 0.10%
39 TIAA CREF INVESTMENT MANAGEMENT LLC 13,460 115,000 0.09%
40 WELLS FARGO & COMPANY/MN 12,831 109,000 0.09%
41 Brandywine Global Investment Management, LLC 9,640 83,000 0.07%
42 UBS Group AG 7,215 61,000 0.05%
43 CITIGROUP INC 5,990 51,000 0.04%
44 Joel Isaacson & Co., LLC 4,800 41,000 0.03%
45 ADVISOR GROUP, INC. 3,500 30,000 0.02%
46 Segantii Capital Management Ltd 2,700 23,000 0.02%
47 BlackRock Investment Management, LLC 2,301 20,000 0.02%
48 BANK OF AMERICA CORP /DE/ 1,300 11,000 0.01%
49 BANK OF MONTREAL /CAN/ 1,000 8,000 0.01%
50 Allworth Financial LP 680 6,000 0.00%
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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.