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 |
Gilead Sciences
GILD
|
+$17.3M |
| 2 |
Apple
AAPL
|
+$15.2M |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$14.9M |
| 4 |
Booking.com
BKNG
|
+$14.7M |
| 5 |
Wells Fargo
WFC
|
+$12.9M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
SPDR Gold Trust
GLD
|
+$38.3M |
| 2 |
QIHU
QIHOO 360 TECHNOLOGY CO LTD ADS RPSTG 3 CL A SHS
QIHU
|
+$30.7M |
| 3 |
LNKD
LinkedIn Corporation
LNKD
|
+$15.2M |
| 4 |
CELG
Celgene Corp
CELG
|
+$12.6M |
| 5 |
ProShares Trust UltraShort Lehman 20+ Year Treasury
TBT
|
+$10.4M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Communication Services | 8.39% |
| 2 | Healthcare | 8.28% |
| 3 | Consumer Discretionary | 6.84% |
| 4 | Technology | 6.06% |
| 5 | Financials | 4.39% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1326
PUT
Honeywell
HON
$76.9B
| $133K | 0.01% |
3,413
-281
| -8% | -$29.4K |
|
1327
CALL
Shopify
SHOP
$148B
| $133K | 0.01% |
1,640
+620
| +61% | +$2.37K |
|
1328
Televisa
TV
$1.47B
| $133K | 0.01% |
5,206
-27,507
| -84% | -$726K |
|
|
WBA
1329
CALL
DELISTED
Walgreens Boots Alliance
WBA
| $133K | 0.01% |
1,037
-1,029
| -50% | -$83.9K |
|
|
FRGI
1330
PUT
DELISTED
Fiesta Restaurant Group, Inc.
FRGI
| $133K | 0.01% |
467
+351
| +303% | +$8.49K |
|
1331
PUT
Autohome
ATHM
$2.46B
| $132K | 0.01% |
1,614
+1,564
| +3,128% | +$36.4K |
|
1332
Banco Bilbao Vizcaya Argentaria
BBVA
$144B
| $132K | 0.01% |
22,724
+2,417
| +12% | +$14K |
|
1333
Boise Cascade
BCC
$2.74B
| $132K | 0.01% |
+5,220
| New | +$134K |
|
1334
PUT
ICICI Bank
IBN
$106B
| $132K | 0.01% |
1,427
+560
| +65% | +$3.9K |
|
|
SGYP
1335
DELISTED
Synergy Pharmaceuticals, Inc Common Stock
SGYP
| $132K | 0.01% |
24,093
-27,663
| -53% | -$130K |
|
1336
PUT
3D Systems Corp
DDD
$425M
| $131K | 0.01% |
684
-491
| -42% | -$7.37K |
|
1337
Helix Energy Solutions
HLX
$1.45B
| $131K | 0.01% |
16,160
-20,117
| -55% | -$152K |
|
1338
PUT
Verizon
VZ
$190B
| $131K | 0.01% |
933
-1,729
| -65% | -$92.8K |
|
|
AUY
1339
DELISTED
Yamana Gold, Inc.
AUY
| $131K | 0.01% |
30,556
-5,982
| -16% | -$30.8K |
|
|
BHI
1340
CALL
DELISTED
Baker Hughes
BHI
| $131K | 0.01% |
560
+52
| +10% | +$2.5K |
|
|
MBT
1341
PUT
DELISTED
Mobile TeleSystems Public Joint Stock Company American Depositary Shares (Each representing 2 Shares
MBT
| $131K | 0.01% |
565
-117
| -17% | -$990 |
|
1342
Range Resources
RRC
$9.23B
| $130K | 0.01% |
3,357
-6,735
| -67% | -$272K |
|
1343
CALL
SM Energy
SM
$8.01B
| $130K | 0.01% |
437
+34
| +8% | +$1.09K |
|
1344
CALL
Sysco
SYY
$39.7B
| $130K | 0.01% |
544
+269
| +98% | +$13.8K |
|
1345
CALL
TJX Companies
TJX
$171B
| $130K | 0.01% |
1,164
+364
| +46% | +$14.2K |
|
|
ASRT
1346
CALL
DELISTED
Assertio
ASRT
| $129K | 0.01% |
7
-3
| -30% | -$3.77K |
|
1347
New Oriental
EDU
$7.86B
| $129K | 0.01% |
2,801
+1,495
| +114% | +$64.9K |
|
1348
PUT
Diamondback Energy
FANG
$58.5B
| $129K | 0.01% |
306
+246
| +410% | +$22.7K |
|
1349
CALL
Incyte
INCY
$23.6B
| $129K | 0.01% |
180
+65
| +57% | +$5.48K |
|
1350
Insmed
INSM
$23.1B
| $129K | 0.01% |
8,891
-23,910
| -73% | -$299K |
|
Similar funds
Simplex Trading's Q3 2016 Portfolio in Review
As of Q3 2016, Simplex Trading held 7,235 positions worth $1.48B, down 1.4% from $1.5B the previous quarter. Its ten largest holdings account for 18% of the portfolio.
Simplex Trading withdrew a net $87.1M in Q3 2016, closing 1,479 positions and reducing 1,939 holdings. Its most notable exit was SPDR Gold Trust, an estimated $38.3M position sold in full.
By sector, the portfolio is most concentrated in Communication Services at 8.4% of assets, up from 6.6% a quarter earlier, followed by Healthcare and Consumer Discretionary.
Against the trend, Simplex Trading opened a new position in Booking.com worth $15.6M.
- Simplex Trading's largest Q3 2016 buy was Booking.com: 264,225 shares worth $15.6M.
- Simplex Trading added most to Gilead Sciences in Q3 2016, an estimated $17.3M increase.
- Simplex Trading's biggest Q3 2016 reduction was LinkedIn Corporation, cutting an estimated $15.2M.
- Simplex Trading fully exited SPDR Gold Trust in Q3 2016, selling an estimated $38.3M.
- Simplex Trading's ten largest holdings make up 18% of its $1.48B portfolio in Q3 2016.
- Simplex Trading opened 1,460 new positions and closed 1,479 in Q3 2016.
- Simplex Trading's portfolio value fell 1.4% quarter-over-quarter to $1.48B.
Based on Simplex Trading's 13F filing for Q3 2016, filed 7 Oct 2016.