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

Institutional Holders (2015Q2)
Portfolio Summary: 188 Institutional holders with a total value of $1,014,296,124.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 FMR LLC 1,949,234 143,405,000 14.14%
2 BlackRock Fund Advisors 847,088 62,320,000 6.14%
3 Conestoga Capital Advisors, LLC 717,857 52,813,000 5.21%
4 RENAISSANCE TECHNOLOGIES LLC 606,351 44,609,000 4.40%
5 VANGUARD GROUP INC 591,785 43,537,000 4.29%
6 DISCIPLINED GROWTH INVESTORS INC /MN 563,395 41,449,000 4.09%
7 DIMENSIONAL FUND ADVISORS LP 477,070 35,098,000 3.46%
8 BlackRock Institutional Trust Company, N.A. 424,124 31,203,000 3.08%
9 G2 Investment Partners Management LLC 354,556 26,085,000 2.57%
10 COLUMBUS CIRCLE INVESTORS 340,120 25,023,000 2.47%
11 GLENMEDE TRUST CO NA 307,841 22,646,000 2.23%
12 STATE STREET CORP 291,244 21,424,000 2.11%
13 Bank of New York Mellon Corp 268,209 19,732,000 1.95%
14 THB ASSET MANAGEMENT 245,488 18,060,000 1.78%
15 Numeric Investors LLC 238,750 17,565,000 1.73%
16 ROTHSCHILD & CO ASSET MANAGEMENT US INC. 228,569 16,816,000 1.66%
17 GW CAPITAL INC 216,984 15,964,000 1.57%
18 Simcoe Capital Management, LLC 201,780 14,845,000 1.46%
19 Cornerstone Capital, Inc. 198,353 14,593,000 1.44%
20 NORTHERN TRUST CORP 196,979 14,492,000 1.43%
21 AMERIPRISE FINANCIAL INC 195,810 14,405,000 1.42%
22 BAILLIE GIFFORD & CO 179,150 13,180,000 1.30%
23 RICE HALL JAMES & ASSOCIATES, LLC 173,581 12,770,000 1.26%
24 AQR CAPITAL MANAGEMENT LLC 169,592 12,477,000 1.23%
25 D. E. Shaw & Co., Inc. 158,723 11,677,000 1.15%
26 QS Investors, LLC 142,709 10,499,000 1.04%
27 CASTLEARK MANAGEMENT LLC 124,051 9,126,000 0.90%
28 Harvest Capital Strategies LLC 115,000 8,461,000 0.83%
29 Invesco Ltd. 106,995 7,872,000 0.78%
30 PRICE T ROWE ASSOCIATES INC /MD/ 106,900 7,865,000 0.78%
31 RUSSELL FRANK CO/ 101,307 7,454,000 0.73%
32 PRUDENTIAL FINANCIAL INC 97,328 7,160,000 0.71%
33 TWO SIGMA ADVISERS, LP 96,056 7,067,000 0.70%
34 GEODE CAPITAL MANAGEMENT, LLC 93,696 6,892,000 0.68%
35 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 92,900 6,835,000 0.67%
36 PRINCIPAL FINANCIAL GROUP INC 91,869 6,759,000 0.67%
37 TIAA CREF INVESTMENT MANAGEMENT LLC 82,234 6,050,000 0.60%
38 DRIEHAUS CAPITAL MANAGEMENT LLC 81,069 5,964,000 0.59%
39 Summit Creek Advisors LLC 77,805 5,724,000 0.56%
40 TWO SIGMA INVESTMENTS, LP 73,717 5,423,000 0.53%
41 ROYCE & ASSOCIATES LP 73,400 5,400,000 0.53%
42 LORD, ABBETT & CO. LLC 68,009 5,004,000 0.49%
43 DEUTSCHE BANK AG\ 62,003 4,560,000 0.45%
44 NEW YORK STATE COMMON RETIREMENT FUND 60,298 4,436,000 0.44%
45 FIRST TRUST ADVISORS LP 59,535 4,380,000 0.43%
46 GABELLI FUNDS LLC 58,000 4,267,000 0.42%
47 INSIGHT CAPITAL RESEARCH & MANAGEMENT INC 56,093 4,127,000 0.41%
48 Matarin Capital Management, LLC 55,071 4,051,574 0.40%
49 BlackRock Investment Management, LLC 54,910 4,040,000 0.40%
50 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 50,899 3,745,000 0.37%
Page 1 of 4

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.