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Institutional Investment Manager
Tower Research Capital LLC (TRC)
Tower Research Capital LLC (TRC) (CIK: 0001533421) incorporated in New York, located at 120 Broadway, New York, NY. Institutional holdings reported to the SEC.

Institutional Holdings (2015Q4)
Portfolio Summary: 4,708 holdings with a total value of $616,986,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 SPDR S&P 500 ETF TR 1,173,558 239,253,000 38.78%
2 ISHARES TR 296,113 33,348,000 5.40%
3 SPDR S&P MIDCAP 400 ETF TR 56,158 14,266,000 2.31%
4 ISHARES TR 200,784 11,790,000 1.91%
5 ISHARES TR 44,069 9,028,000 1.46%
6 POWERSHARES QQQ TRUST 53,184 5,949,000 0.96%
7 PROSHARES TR 72,136 5,709,000 0.93%
8 ISHARES TR 168,685 5,430,000 0.88%
9 ISHARES TR 37,028 5,356,000 0.87%
10 Proshares Short S&P 500 249,537 5,208,000 0.84%
11 SELECT SECTOR SPDR TR 207,608 4,947,000 0.80%
12 ISHARES TR 30,476 4,928,000 0.80%
13 PROSHARES TR 74,948 4,722,000 0.77%
14 PROSHARES TR 59,182 4,387,000 0.71%
15 ISHARES TR 29,907 4,167,000 0.68%
16 ISHARES TRUST US HLTHCR PR ETF 32,342 4,022,000 0.65%
17 SPDR SER TR 94,732 3,971,000 0.64%
18 ISHARES NORTH AMERICAN NATURAL RESOURCES ETF 140,865 3,964,000 0.64%
19 ISHARES INC MSCI EURZONE ETF 103,552 3,628,000 0.59%
20 RYDEX ETF TRUST 27,521 3,431,000 0.56%
21 RYDEX ETF TRUST 20,914 3,210,000 0.52%
22 ISHARES RUSSELL 2000 GROWTH ETF 22,770 3,171,000 0.51%
23 VANGUARD INTL EQUITY INDEX F 63,139 3,149,000 0.51%
24 PROSHARES ULTRASHORT S&P 500 150,841 3,006,000 0.49%
25 POWERSHARES ETF TRUST 72,322 2,992,000 0.48%
26 ISHARES RUSSELL 1000 ETF 26,323 2,983,000 0.48%
27 ISHARES TR 26,874 2,876,000 0.47%
28 ISHARES RUSSELL 2000 VALUE ETF 30,074 2,765,000 0.45%
29 SELECT SECTOR SPDR TR 32,431 2,535,000 0.41%
30 DIREXION SHS ETF TR 31,785 2,401,000 0.39%
31 ISHARES TRUST 26,410 2,376,000 0.39%
32 POWERSHARES N/C 6/4/18 46137V662 33,745 2,361,000 0.38%
33 ISHARES TR 65,534 2,345,000 0.38%
34 VANGUARD TAX-MANAGED FDS 63,869 2,345,000 0.38%
35 POWERSHARES EXCHANGE TRADED FD TR DYNAMI 40,637 2,308,000 0.37%
36 FIRST TR EXCHANGE TRADED FD 30,193 2,253,000 0.37%
37 ISHARES TR 24,183 2,223,000 0.36%
38 ISHARES U.S. OIL & GAS EXPLORATION & PRODUCTION ETF 40,987 2,170,000 0.35%
39 VANGUARD INDEX FDS 18,596 2,057,000 0.33%
40 FIRST TR EXCHANGE TRADED FD 33,343 2,016,000 0.33%
41 ISHARES U.S. UTILITIES ETF 18,511 1,997,000 0.32%
42 SPDR SER TR 58,821 1,989,000 0.32%
43 PROSHARES TR 26,581 1,900,000 0.31%
44 POWERSHARES N/C 6/4/18 46137V613 21,873 1,899,000 0.31%
45 SPDR SER TR 44,107 1,890,000 0.31%
46 SCHWAB U.S. LARGE-CAP GROWTH ETF 35,122 1,855,000 0.30%
47 ProShares TR 58,041 1,840,000 0.30%
48 RYDEX ETF TRUST 37,146 1,828,000 0.30%
49 ISHARES TR 11,071 1,782,000 0.29%
50 VANGUARD WORLD FD 18,457 1,734,000 0.28%
Page 1 of 95

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001569605-16-000008, filed 2016.02.10).

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.