We are live on ! Find out more
Simplex Trading

Simplex Trading Portfolio holdings

AUM $149B
1-Year Est. Return 62.07%
 

Simplex Trading, founded in 2004 and headquartered in Chicago, Illinois, is a technology-driven proprietary trading firm specializing in market-making and liquidity provision, primarily in U.S. equity options and futures options. Leveraging advanced proprietary software and data-driven analysis, the firm optimizes trading strategies and develops innovative solutions to capitalize on financial market opportunities, maintaining a competitive edge through automation and a collaborative team of technologists and traders. With a workforce exceeding 300 and led by CEO Erik Swanson since 2014, Simplex operates with a low-ego, high-intelligence culture, focusing on minimal bureaucracy and rapid execution, while also making strategic venture capital investments in fintech startups. Recognized as a top workplace in Chicago by Built In’s 2025 awards, Simplex continues to evolve, blending cutting-edge technology with a commitment to market efficiency and growth.

This Fund
S&P 500
This Quarter Est. Return
+5.12%
1 Year Est. Return
+62.07%
3 Year Est. Return
+116.86%
5 Year Est. Return
+116.02%
10 Year Est. Return
+774.44%
AUM
$1.5B
AUM Growth
+$242M
Cap. Flow
+$178M
Cap. Flow %
11.93%
Top 10 Hldgs %
18.61%
Holding
7,153
New
1,586
Increased
2,321
Reduced
1,709
Closed
1,363

Top Buys

Rank Stock Value
1
LNKD
LinkedIn Corporation
LNKD
+$21.4M
2
GLD icon
SPDR Gold Trust
GLD
+$17.3M
3
QIHU
QIHOO 360 TECHNOLOGY CO LTD ADS RPSTG 3 CL A SHS
QIHU
+$15M
4
BIIB icon
Biogen
BIIB
+$14.9M
5
V icon
Visa
V
+$14.1M

Top Sells

Rank Stock Value
1
AVGO icon
Broadcom
AVGO
+$36.7M
2
GOOG icon
Alphabet (Google) Class C
GOOG
+$20.1M
3
EEM icon
iShares MSCI Emerging Markets ETF
EEM
+$15.8M
4
C icon
Citigroup
C
+$14.7M
5
MDY icon
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
+$13.1M

Sector Composition

Rank Sector Weight
1 Communication Services 6.61%
2 Healthcare 6.55%
3 Technology 6.45%
4 Consumer Discretionary 4.54%
5 Financials 4.51%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
FN icon
4051
Fabrinet
FN
$14.9B
$6K ﹤0.01%
186
+54
+41% +$1.84K
FOR icon
4052
PUT
Forestar Group
FOR
$1.48B
$6K ﹤0.01%
131
+39
+42% +$489
FTI icon
4053
CALL
TechnipFMC
FTI
$28.6B
$6K ﹤0.01%
124
+105
+553% +$2.17K
FTI icon
4054
PUT
TechnipFMC
FTI
$28.6B
$6K ﹤0.01%
188
+9
+5% +$186
FUL icon
4055
PUT
H.B. Fuller
FUL
$3B
$6K ﹤0.01%
+27
New +$1.21K
GAIA icon
4056
CALL
Gaia
GAIA
$46.6M
$6K ﹤0.01%
+25
New +$179
GBDC icon
4057
CALL
Golub Capital BDC
GBDC
$3.33B
$6K ﹤0.01%
+84
New +$1.43K
GEF icon
4058
CALL
Greif
GEF
$4.95B
$6K ﹤0.01%
35
+3
+9% +$107
GFI icon
4059
CALL
Gold Fields
GFI
$28.8B
$6K ﹤0.01%
61
-302
-83% -$1.26K
GIL icon
4060
PUT
Gildan
GIL
$9.49B
$6K ﹤0.01%
31
– –
GLAD icon
4061
PUT
Gladstone Capital
GLAD
$427M
$6K ﹤0.01%
+10
New +$145
GPK icon
4062
PUT
Graphic Packaging
GPK
$3.35B
$6K ﹤0.01%
+39
New +$509
GTY
4063
CALL
Getty Realty Corp
GTY
$2.16B
$6K ﹤0.01%
91
-631
-87% -$12.9K
GWRE icon
4064
CALL
Guidewire Software
GWRE
$13.9B
$6K ﹤0.01%
19
+4
+27% +$230
H icon
4065
CALL
Hyatt Hotels
H
$17.5B
$6K ﹤0.01%
110
+72
+189% +$3.44K
HL icon
4066
PUT
Hecla Mining
HL
$9.49B
$6K ﹤0.01%
140
-230
-62% -$930
HOV icon
4067
Hovnanian Enterprises
HOV
$779M
$6K ﹤0.01%
157
-8
-5% -$332
HRB icon
4068
CALL
H&R Block
HRB
$5.98B
$6K ﹤0.01%
+59
New +$1.31K
HTHT icon
4069
Huazhu Hotels Group
HTHT
$13.3B
$6K ﹤0.01%
+660
New +$5.81K
HUBS icon
4070
PUT
HubSpot
HUBS
$12.9B
$6K ﹤0.01%
25
-4
-14% -$182
IAU icon
4071
CALL
iShares Gold Trust
IAU
$62.8B
$6K ﹤0.01%
41
-28
-41% -$680
IDT icon
4072
PUT
IDT Corp
IDT
$1.67B
$6K ﹤0.01%
32
+1
+3% +$11
IDXX icon
4073
PUT
Idexx Laboratories
IDXX
$44.9B
$6K ﹤0.01%
35
-8
-19% -$687
IMNN icon
4074
PUT
Imunon
IMNN
$6.47M
– –
0
– –
INDA icon
4075
iShares MSCI India ETF
INDA
$6.81B
$6K ﹤0.01%
245
-130
-35% -$3.54K
161 162
163
164 165

Similar funds

Mitsubishi UFJ Asset Management
Mitsubishi UFJ Asset Management Tokyo, Japan $149B AUM 24.71% 1-Year Est. Return
Creative Planning
Creative Planning Overland Park, Kansas $147B AUM 18.73% 1-Year Est. Return
Jennison Associates
Jennison Associates New York $145B AUM 34.61% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $154B AUM 29.96% 1-Year Est. Return
Canada Pension Plan Investment Board
Canada Pension Plan Investment Board Toronto Ontario, Ontario, Canada $155B AUM 29.93% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $156B AUM 27.51% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return

Simplex Trading's Q2 2016 Portfolio in Review

As of Q2 2016, Simplex Trading held 7,153 positions worth $1.5B, up 19% from $1.25B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

Simplex Trading deployed $178M of net new capital in Q2 2016, opening 1,586 new positions and adding to 2,321 existing holdings. Its largest new stake was Biogen: 56,467 shares worth $13.7M.

By sector, the portfolio is most concentrated in Communication Services at 6.6% of assets, down from 6.9% a quarter earlier, followed by Healthcare and Technology.

On the sell side, the largest reduction was Broadcom, an estimated $36.7M trimmed.

  • Simplex Trading's largest Q2 2016 buy was Biogen: 56,467 shares worth $13.7M.
  • Simplex Trading added most to LinkedIn Corporation in Q2 2016, an estimated $21.4M increase.
  • Simplex Trading's biggest Q2 2016 reduction was Broadcom, cutting an estimated $36.7M.
  • Simplex Trading fully exited Alphabet (Google) Class C in Q2 2016, selling an estimated $20.1M.
  • Simplex Trading's ten largest holdings make up 19% of its $1.5B portfolio in Q2 2016.
  • Simplex Trading opened 1,586 new positions and closed 1,363 in Q2 2016.
  • Simplex Trading's portfolio value rose 19% quarter-over-quarter to $1.5B.

Based on Simplex Trading's 13F filing for Q2 2016, filed 18 Jul 2016.