Simplex Trading Portfolio holdings
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.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
LNKD
LinkedIn Corporation
LNKD
|
+$21.4M |
| 2 |
SPDR Gold Trust
GLD
|
+$17.3M |
| 3 |
QIHU
QIHOO 360 TECHNOLOGY CO LTD ADS RPSTG 3 CL A SHS
QIHU
|
+$15M |
| 4 |
Biogen
BIIB
|
+$14.9M |
| 5 |
Visa
V
|
+$14.1M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Broadcom
AVGO
|
+$36.7M |
| 2 |
Alphabet (Google) Class C
GOOG
|
+$20.1M |
| 3 |
iShares MSCI Emerging Markets ETF
EEM
|
+$15.8M |
| 4 |
Citigroup
C
|
+$14.7M |
| 5 |
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 | |
|---|---|---|---|---|---|---|
|
TUP
1001
PUT
DELISTED
Tupperware Brands Corporation
TUP
| $198K | 0.01% |
511
+343
| +204% | +$19.6K |
|
|
CRR
1002
DELISTED
Carbo Ceramics Inc.
CRR
| $198K | 0.01% |
15,145
-23,041
| -60% | -$310K |
|
1003
CALL
iShares Morningstar Value ETF
ILCV
$1.29B
| $197K | 0.01% |
3,506
+846
| +32% | +$36K |
|
|
SIGM
1004
DELISTED
Sigma Designs Inc
SIGM
| $197K | 0.01% |
30,736
+30,026
| +4,229% | +$200K |
|
1005
PUT
Check Point Software Technologies
CHKP
$13.1B
| $196K | 0.01% |
796
+310
| +64% | +$25.9K |
|
1006
CALL
Qorvo
QRVO
$7.65B
| $196K | 0.01% |
521
+324
| +164% | +$16.2K |
|
|
SGYP
1007
DELISTED
Synergy Pharmaceuticals, Inc Common Stock
SGYP
| $196K | 0.01% |
51,756
-46,186
| -47% | -$157K |
|
|
ANDV
1008
PUT
DELISTED
Andeavor
ANDV
| $196K | 0.01% |
352
+74
| +27% | +$5.87K |
|
|
TWX
1009
PUT
DELISTED
Time Warner Inc
TWX
| $196K | 0.01% |
1,091
-702
| -39% | -$51.9K |
|
|
DD
1010
PUT
DELISTED
Du Pont De Nemours E I
DD
| $196K | 0.01% |
651
-5
| -0.8% | -$328 |
|
1011
CALL
Cigna
CI
$75.7B
| $195K | 0.01% |
280
+199
| +246% | +$26.3K |
|
1012
Entravision Communication
EVC
$969M
| $195K | 0.01% |
29,053
+28,500
| +5,154% | +$204K |
|
1013
PUT
Coca-Cola
KO
$349B
| $195K | 0.01% |
4,811
+3,560
| +285% | +$161K |
|
1014
CALL
The Mosaic Company
MOS
$7.08B
| $195K | 0.01% |
1,609
+1,009
| +168% | +$26.8K |
|
1015
Royal Gold
RGLD
$16.9B
| $195K | 0.01% |
2,708
-6,970
| -72% | -$415K |
|
|
NFX
1016
DELISTED
Newfield Exploration
NFX
| $195K | 0.01% |
+4,435
| New | +$170K |
|
|
ALR
1017
PUT
DELISTED
Alere Inc
ALR
| $195K | 0.01% |
471
-836
| -64% | -$36.3K |
|
1018
CALL
BHP
BHP
$212B
| $194K | 0.01% |
1,030
+427
| +71% | +$10.6K |
|
|
GRMN
1019
CALL
Garmin
GRMN
$46.3B
| $194K | 0.01% |
383
+134
| +54% | +$5.57K |
|
1020
Direxion Daily Small Cap Bear 3x ETF
TZA
$210M
| $194K | 0.01% |
13
-33
| -72% | -$524K |
|
1021
CALL
United Airlines
UAL
$37.4B
| $194K | 0.01% |
1,873
+629
| +51% | +$29.8K |
|
|
ATVI
1022
CALL
DELISTED
Activision Blizzard
ATVI
| $194K | 0.01% |
724
+104
| +17% | +$3.82K |
|
1023
CALL
Advance Auto Parts
AAP
$3.22B
| $193K | 0.01% |
139
-13
| -9% | -$2.01K |
|
|
FL
1024
PUT
DELISTED
Foot Locker
FL
| $193K | 0.01% |
377
-129
| -25% | -$7.48K |
|
1025
PUT
HSBC
HSBC
$349B
| $193K | 0.01% |
2,804
+709
| +34% | +$20.1K |
|
Similar funds
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.