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

Institutional Holders (2016Q4)
Portfolio Summary: 95 Institutional holders with a total value of $349,430,482.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GILDER GAGNON HOWE & CO LLC 2,000,946 70,713,000 20.24%
2 Bank of New York Mellon Corp 1,113,155 39,339,000 11.26%
3 Granahan Investment Management, LLC 1,058,658 37,413,000 10.71%
4 WELLINGTON MANAGEMENT GROUP LLP 793,858 28,054,000 8.03%
5 DRIEHAUS CAPITAL MANAGEMENT LLC 654,396 23,126,000 6.62%
6 AWM Investment Company, Inc. 470,623 16,632,000 4.76%
7 Kingdom Ridge Capital, LLC 353,000 12,475,000 3.57%
8 VANGUARD GROUP INC 323,753 11,441,000 3.27%
9 LIGHT STREET CAPITAL MANAGEMENT, LLC 205,000 7,245,000 2.07%
10 BlackRock Institutional Trust Company, N.A. 191,199 6,757,000 1.93%
11 BlackRock Fund Advisors 180,863 6,392,000 1.83%
12 Neuberger Berman Group LLC 171,480 6,060,000 1.73%
13 JPMORGAN CHASE & CO 166,996 5,902,000 1.69%
14 Pier Capital, LLC 156,226 5,521,000 1.58%
15 ADVISORY RESEARCH INC 147,598 5,216,000 1.49%
16 Allianz Asset Management GmbH 145,258 5,133,000 1.47%
17 Informed Momentum Co LLC 139,609 4,934,000 1.41%
18 NEXT CENTURY GROWTH INVESTORS LLC 130,825 4,623,000 1.32%
19 Redwood Investments, LLC 125,185 4,424,000 1.27% SH
20 CASTLEARK MANAGEMENT LLC 115,547 4,083,000 1.17%
21 STATE STREET CORP 86,778 3,069,000 0.88%
22 MACQUARIE GROUP LTD 86,550 3,059,000 0.88%
23 NORTHERN TRUST CORP 76,066 2,688,000 0.77%
24 Atika Capital Management LLC 71,500 2,527,000 0.72%
25 UNITED SERVICES AUTOMOBILE ASSOCIATION 68,640 2,426,000 0.69%
26 GEODE CAPITAL MANAGEMENT, LLC 66,653 2,355,000 0.67%
27 AlphaOne Investment Services, LLC 55,200 1,951,000 0.56%
28 RUSSELL INVESTMENTS GROUP, LTD. 48,720 1,712,000 0.49%
29 SUSQUEHANNA INTERNATIONAL GROUP, LLP 42,700 1,509,000 0.43% Put
30 AMERIPRISE FINANCIAL INC 39,516 1,397,000 0.40%
31 RAYMOND JAMES & ASSOCIATES 39,375 1,392,000 0.40%
32 BAMCO INC /NY/ 36,000 1,272,000 0.36%
33 CLARIUS GROUP, LLC 35,714 1,262,000 0.36%
34 MORGAN STANLEY 35,403 1,252,000 0.36%
35 WALL STREET ASSOCIATES 32,100 1,134,000 0.32%
36 SYMMETRY PEAK MANAGEMENT LLC 31,200 1,103,000 0.32%
37 STIFEL FINANCIAL CORP 31,169 1,100,000 0.31%
38 PANAGORA ASSET MANAGEMENT INC 26,787 947,000 0.27%
39 ROYAL BANK OF CANADA 24,383 862,000 0.25%
40 BlackRock Investment Management, LLC 22,611 799,000 0.23%
41 Squarepoint Ops LLC 20,979 741,000 0.21%
42 Swiss National Bank 18,000 636,000 0.18%
43 TIAA CREF INVESTMENT MANAGEMENT LLC 17,535 620,000 0.18%
44 QUADRATURE CAPITAL LTD 17,230 609,000 0.17%
45 NEW YORK STATE COMMON RETIREMENT FUND 15,812 559,000 0.16%
46 DIALECTIC CAPITAL MANAGEMENT, LP 15,175 536,000 0.15%
47 SUSQUEHANNA INTERNATIONAL GROUP, LLP 14,807 523,000 0.15%
48 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 12,600 445,000 0.13%
49 WELLS FARGO & COMPANY/MN 11,450 405,000 0.12%
50 TEACHERS ADVISORS, LLC 11,164 395,000 0.11%
Page 1 of 2

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.