Dark
Light
System
Security
Proteon Therapeutics
Proteon Therapeutics. Institutional holdings reported to the SEC.

Institutional Holders (2014Q4)
Portfolio Summary: 24 Institutional holders with a total value of $87,787,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Abingworth LLP 2,017,872 20,340,000 23.17%
2 DEERFIELD MANAGEMENT COMPANY, L.P. 1,265,343 13,160,000 14.99%
3 RA CAPITAL MANAGEMENT, L.P. 1,250,000 13,000,000 14.81%
4 MPM ASSET MANAGEMENT LLC 983,381 10,227,000 11.65%
5 FMR LLC 850,000 8,840,000 10.07%
6 TIVERTON ASSET MANAGEMENT LLC 375,000 3,900,000 4.44%
7 Devon Park Associates, LLC 325,727 3,388,000 3.86%
8 Deer VII & Co. Ltd. 315,101 2,949,000 3.36%
9 PERCEPTIVE ADVISORS LLC 275,000 2,860,000 3.26%
10 Omega Fund Management, LLC 250,000 2,600,000 2.96%
11 VANGUARD GROUP INC 189,720 1,973,000 2.25%
12 BAKER BROS. ADVISORS LP 172,917 1,798,000 2.05%
13 PRINCIPAL FINANCIAL GROUP INC 167,200 1,739,000 1.98%
14 Alyeska Investment Group, L.P. 46,295 481,000 0.55%
15 KORNITZER CAPITAL MANAGEMENT INC /KS 15,000 156,000 0.18%
16 DAFNA Capital Management LLC 12,700 132,000 0.15%
17 GEODE CAPITAL MANAGEMENT, LLC 10,992 114,000 0.13%
18 DEUTSCHE BANK AG\ 8,573 89,000 0.10%
19 BlackRock Investment Management, LLC 1,150 12,000 0.01%
20 UBS Group AG 1,114 12,000 0.01%
21 American Research & Management Co. 1,000 10,000 0.01%
22 MORGAN STANLEY 528 5,000 0.01%
23 BANK OF AMERICA CORP /DE/ 100 1,000 0.00%
24 Tower Research Capital LLC (TRC) 100 1,000 0.00%

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.