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
+0.54%
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
$1.19B
AUM Growth
+$333M
Cap. Flow
+$279M
Cap. Flow %
23.35%
Top 10 Hldgs %
20.47%
Holding
6,639
New
1,607
Increased
1,829
Reduced
1,589
Closed
1,438

Top Buys

Rank Stock Value
1
GOOG icon
Alphabet (Google) Class C
GOOG
+$54.6M
2
AAPL icon
Apple
AAPL
+$29.1M
3
META icon
Meta Platforms (Facebook)
META
+$15.7M
4
IBM icon
IBM
IBM
+$13.8M
5
BIDU icon
Baidu
BIDU
+$10.6M

Top Sells

Rank Stock Value
1
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$10.1M
2
MCD icon
McDonald's
MCD
+$8.46M
3
RL icon
Ralph Lauren
RL
+$5.36M
4
INTC icon
Intel
INTC
+$5.04M
5
WBA
Walgreens Boots Alliance
WBA
+$4.76M

Sector Composition

Rank Sector Weight
1 Communication Services 14.27%
2 Technology 10.3%
3 Healthcare 7.76%
4 Consumer Discretionary 6.32%
5 Financials 5.18%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
IMO icon
4676
CALL
Imperial Oil
IMO
$62.1B
$1K ﹤0.01%
58
-4
-6% -$165
IMUX icon
4677
CALL
Immunic
IMUX
$182M
– –
0
– –
INGR icon
4678
CALL
Ingredion
INGR
$6.38B
$1K ﹤0.01%
+10
New +$803
IPI icon
4679
CALL
Intrepid Potash
IPI
$460M
$1K ﹤0.01%
+1
New +$118
IRDM icon
4680
Iridium Communications
IRDM
$4.85B
$1K ﹤0.01%
148
+95
+179% +$977
ITGR icon
4681
CALL
Integer Holdings
ITGR
$3.35B
$1K ﹤0.01%
+11
New +$536
J icon
4682
CALL
Jacobs Solutions
J
$15.9B
$1K ﹤0.01%
+6
New +$219
JCI icon
4683
PUT
Johnson Controls International
JCI
$87.5B
$1K ﹤0.01%
12
-51
-81% -$2.73K
JKHY icon
4684
PUT
Jack Henry & Associates
JKHY
$10.7B
$1K ﹤0.01%
+23
New +$1.53K
JOE icon
4685
PUT
St. Joe Company
JOE
$3.57B
$1K ﹤0.01%
+13
New +$218
KB icon
4686
PUT
KB Financial Group
KB
$41.2B
$1K ﹤0.01%
+10
New +$361
KDP icon
4687
CALL
Keurig Dr Pepper
KDP
$40.4B
$1K ﹤0.01%
49
+36
+277% +$2.75K
KEP icon
4688
CALL
Korea Electric Power
KEP
$15.5B
$1K ﹤0.01%
61
-3
-5% -$62
KEX icon
4689
PUT
Kirby Corp
KEX
$7.95B
$1K ﹤0.01%
6
-1
-14% -$79
KGC icon
4690
Kinross Gold
KGC
$28.5B
$1K ﹤0.01%
818
-88
-10% -$210
KGC icon
4691
PUT
Kinross Gold
KGC
$28.5B
$1K ﹤0.01%
6
– –
KOF icon
4692
CALL
Coca-Cola Femsa
KOF
$21.6B
$1K ﹤0.01%
+3
New +$245
KVHI icon
4693
KVH Industries
KVHI
$177M
$1K ﹤0.01%
+100
New +$1.36K
KVHI icon
4694
PUT
KVH Industries
KVHI
$177M
$1K ﹤0.01%
+1
New +$14
KWR icon
4695
Quaker Houghton
KWR
$2.63B
$1K ﹤0.01%
+20
New +$1.72K
LBRDA icon
4696
PUT
Liberty Broadband Class A
LBRDA
$4.14B
$1K ﹤0.01%
+5
New +$266
HAPN
4697
CALL
Happen Inc
HAPN
$2.08B
$1K ﹤0.01%
32
-18
-36% -$1.61K
LEA icon
4698
PUT
Lear
LEA
$7.19B
$1K ﹤0.01%
5
-9
-64% -$1.03K
LNN icon
4699
PUT
Lindsay Corp
LNN
$1.16B
$1K ﹤0.01%
11
-2
-15% -$159
LPL icon
4700
PUT
LG Display
LPL
$3.17B
$1K ﹤0.01%
+11
New +$148
186 187
188
189 190

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 2015 Portfolio in Review

As of Q2 2015, Simplex Trading held 6,639 positions worth $1.19B, up 39% from $860M the previous quarter. Its ten largest holdings account for 20% of the portfolio.

Simplex Trading deployed $279M of net new capital in Q2 2015, opening 1,607 new positions and adding to 1,829 existing holdings. Its largest new stake was IBM: 85,948 shares worth $13.4M.

By sector, the portfolio is most concentrated in Communication Services at 14% of assets, up from 7.8% a quarter earlier, followed by Technology and Healthcare.

On the sell side, the largest reduction was Intel, an estimated $5.04M trimmed.

  • Simplex Trading's largest Q2 2015 buy was IBM: 85,948 shares worth $13.4M.
  • Simplex Trading added most to Alphabet (Google) Class C in Q2 2015, an estimated $54.6M increase.
  • Simplex Trading's biggest Q2 2015 reduction was Intel, cutting an estimated $5.04M.
  • Simplex Trading fully exited State Street SPDR S&P 500 ETF Trust in Q2 2015, selling an estimated $10.1M.
  • Simplex Trading's ten largest holdings make up 20% of its $1.19B portfolio in Q2 2015.
  • Simplex Trading opened 1,607 new positions and closed 1,438 in Q2 2015.
  • Simplex Trading's portfolio value rose 39% quarter-over-quarter to $1.19B.

Based on Simplex Trading's 13F filing for Q2 2015, filed 8 Jul 2015.