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 | |
|---|---|---|---|---|---|---|
1826
CALL
World Acceptance Corp
WRLD
$950M
| $65K | ﹤0.01% |
75
-102
| -58% | -$4.14K |
|
|
TEP
1827
CALL
DELISTED
Tallgrass Energy Partners, LP
TEP
| $65K | ﹤0.01% |
167
+126
| +307% | +$5.46K |
|
|
AL
1828
PUT
DELISTED
Air Lease Corp
AL
| $64K | ﹤0.01% |
326
+132
| +68% | +$3.93K |
|
|
DVAX
1829
CALL
DELISTED
Dynavax Technologies
DVAX
| $64K | ﹤0.01% |
510
+451
| +764% | +$7.71K |
|
1830
Huntington Bancshares
HBAN
$35.1B
| $64K | ﹤0.01% |
7,220
-4,747
| -40% | -$46.7K |
|
1831
IPG Photonics
IPGP
$3.89B
| $64K | ﹤0.01% |
810
-2,704
| -77% | -$238K |
|
1832
CALL
Boston Beer
SAM
$1.88B
| $64K | ﹤0.01% |
68
+51
| +300% | +$8.26K |
|
|
CLC
1833
DELISTED
Clarcor
CLC
| $64K | ﹤0.01% |
1,056
-865
| -45% | -$50.6K |
|
|
HIBB
1834
DELISTED
Hibbett, Inc. Common Stock
HIBB
| $64K | ﹤0.01% |
+1,856
| New | +$64.3K |
|
|
BRFS
1835
DELISTED
BRF SA
BRFS
| $63K | ﹤0.01% |
4,523
+3,458
| +325% | +$46.5K |
|
1836
DaVita
DVA
$15.1B
| $63K | ﹤0.01% |
817
-1,568
| -66% | -$119K |
|
1837
Independent Bank
INDB
$4.05B
| $63K | ﹤0.01% |
+1,395
| New | +$65.1K |
|
1838
iShares US Transportation ETF
IYT
$2.33B
| $63K | ﹤0.01% |
+1,904
| New | +$66.1K |
|
1839
PUT
Kimberly-Clark
KMB
$36.4B
| $63K | ﹤0.01% |
464
+384
| +480% | +$50.3K |
|
1840
CALL
Kohl's
KSS
$2.03B
| $63K | ﹤0.01% |
607
-44
| -7% | -$1.75K |
|
1841
CALL
Nabors Industries
NBR
$1.23B
| $63K | ﹤0.01% |
8
-7
| -47% | -$3.31K |
|
1842
CALL
RPM International
RPM
$13.7B
| $63K | ﹤0.01% |
442
+298
| +207% | +$14.9K |
|
1843
CALL
Suncor Energy
SU
$77.7B
| $63K | ﹤0.01% |
575
+18
| +3% | +$494 |
|
1844
PUT
Vertex Pharmaceuticals
VRTX
$121B
| $63K | ﹤0.01% |
107
-3
| -3% | -$259 |
|
|
HCR
1845
CALL
DELISTED
Hi-Crush Inc. Common Stock
HCR
| $63K | ﹤0.01% |
264
+181
| +218% | +$1.47K |
|
|
DERM
1846
PUT
DELISTED
Dermira, Inc.
DERM
| $63K | ﹤0.01% |
+377
| New | +$10.4K |
|
|
LKM
1847
DELISTED
Link Motion Inc.
LKM
| $63K | ﹤0.01% |
17,150
-186,975
| -92% | -$825K |
|
|
ALJ
1848
DELISTED
Alon USA Energy Inc
ALJ
| $63K | ﹤0.01% |
+9,876
| New | +$85.2K |
|
1849
CALL
Blackstone
BX
$104B
| $62K | ﹤0.01% |
1,358
-1,352
| -50% | -$36K |
|
1850
PUT
Estee Lauder
EL
$29B
| $62K | ﹤0.01% |
351
+74
| +27% | +$6.91K |
|
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.