Dark
Light
System
Security
PENUMBRA INC COM
PENUMBRA INC COM. Institutional holdings reported to the SEC.

Institutional Holders (2016Q4)
Portfolio Summary: 126 Institutional holders with a total value of $1,235,321,796.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 FMR LLC 4,746,579 302,831,000 24.51%
2 VANGUARD GROUP INC 1,934,521 123,423,000 9.99%
3 ALLIANCEBERNSTEIN L.P. 1,300,199 82,953,000 6.72%
4 Redmile Group, LLC 1,040,208 66,365,000 5.37%
5 BlackRock Fund Advisors 838,118 53,472,000 4.33%
6 BlackRock Institutional Trust Company, N.A. 658,811 42,032,000 3.40%
7 Invesco Ltd. 590,894 37,700,000 3.05%
8 FEDERATED HERMES, INC. 519,940 33,172,000 2.69%
9 CARRET ASSET MANAGEMENT, LLC 505,961 32,280,000 2.61%
10 STATE STREET CORP 472,199 30,130,000 2.44%
11 LORD, ABBETT & CO. LLC 349,655 22,308,000 1.81%
12 Champlain Investment Partners, LLC 309,230 19,729,000 1.60%
13 NORTHERN TRUST CORP 298,465 19,042,000 1.54%
14 OAK RIDGE INVESTMENTS LLC 298,193 19,025,000 1.54%
15 Rock Springs Capital Management LP 295,500 18,853,000 1.53%
16 WADDELL & REED FINANCIAL INC 290,970 18,564,000 1.50%
17 MORGAN STANLEY 282,062 17,995,000 1.46%
18 PFM Health Sciences, LP 231,892 14,795,000 1.20%
19 Neuberger Berman Group LLC 226,000 14,419,000 1.17%
20 FRANKLIN RESOURCES INC 202,374 12,911,000 1.05%
21 Capital World Investors 194,244 12,393,000 1.00%
22 Clearbridge Investments, LLC 187,396 11,956,000 0.97%
23 GEODE CAPITAL MANAGEMENT, LLC 186,144 11,875,000 0.96%
24 OppenheimerFunds, Inc. 180,870 11,540,000 0.93%
25 WELLINGTON MANAGEMENT GROUP LLP 173,274 11,055,000 0.89%
26 Artisan Partners Limited Partnership 155,452 9,918,000 0.80%
27 NEXT CENTURY GROWTH INVESTORS LLC 139,436 8,896,000 0.72%
28 Mariner, LLC 137,750 8,788,000 0.71%
29 Allianz Asset Management GmbH 137,486 8,772,000 0.71%
30 Bank of New York Mellon Corp 129,395 8,256,000 0.67%
31 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 104,636 6,676,000 0.54%
32 HIGHLAND CAPITAL MANAGEMENT LP 100,375 6,404,000 0.52%
33 BlackRock Investment Management, LLC 95,411 6,087,000 0.49%
34 PURA VIDA INVESTMENTS, LLC 95,000 6,061,000 0.49%
35 GOLDMAN SACHS GROUP INC 87,568 5,587,000 0.45%
36 Nationwide Fund Advisors 79,043 5,043,000 0.41%
37 TIAA CREF INVESTMENT MANAGEMENT LLC 72,600 4,632,000 0.37%
38 Pier Capital, LLC 72,156 4,604,000 0.37%
39 AMUNDI ASSET MANAGEMENT US, INC. 67,629 4,315,000 0.35%
40 PRIMECAP MANAGEMENT CO/CA/ 66,000 4,211,000 0.34%
41 BALASA DINVERNO & FOLTZ LLC 61,640 3,933,000 0.32%
42 Timpani Capital Management LLC 60,252 3,844,000 0.31%
43 RUSSELL INVESTMENTS GROUP, LTD. 54,347 3,484,000 0.28%
44 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 52,483 3,348,000 0.27%
45 NEW YORK STATE COMMON RETIREMENT FUND 52,404 3,343,000 0.27%
46 LOOMIS SAYLES & CO L P 51,554 3,289,000 0.27%
47 Endurant Capital Management LP 49,500 3,158,000 0.26%
48 Swiss National Bank 43,400 2,769,000 0.22%
49 Nicholas Investment Partners, LP 42,191 2,690,000 0.22%
50 TEACHERS ADVISORS, LLC 42,130 2,688,000 0.22%
Page 1 of 3

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.