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 | |
|---|---|---|---|---|---|---|
876
CALL
Albemarle
ALB
$13.9B
| $246K | 0.02% |
299
+97
| +48% | +$7.12K |
|
877
PUT
3D Systems Corp
DDD
$438M
| $246K | 0.02% |
1,175
-1,217
| -51% | -$17.6K |
|
878
CALL
TripAdvisor
TRIP
$1.56B
| $246K | 0.02% |
910
+626
| +220% | +$40.6K |
|
879
PUT
ExxonMobil
XOM
$653B
| $246K | 0.02% |
5,078
-1,585
| -24% | -$140K |
|
|
ANFI
880
DELISTED
AMIRA NATURE FOODS LTD
ANFI
| $246K | 0.02% |
33,270
+20,809
| +167% | +$160K |
|
881
Helix Energy Solutions
HLX
$1.47B
| $245K | 0.02% |
+36,277
| New | +$263K |
|
882
PUT
Johnson & Johnson
JNJ
$615B
| $245K | 0.02% |
5,105
-1,474
| -22% | -$167K |
|
|
SONC
883
DELISTED
Sonic Corp
SONC
| $245K | 0.02% |
9,067
+6,183
| +214% | +$198K |
|
884
PUT
BlackBerry
BB
$5.14B
| $244K | 0.02% |
1,483
+164
| +12% | +$1.15K |
|
885
PUT
NOV
NOV
$7.39B
| $244K | 0.02% |
640
+388
| +154% | +$12.5K |
|
|
SOHU
886
PUT
Sohu.com
SOHU
$333M
| $244K | 0.02% |
394
+82
| +26% | +$3.49K |
|
|
EVHC
887
DELISTED
Envision Healthcare Holdings Inc
EVHC
| $244K | 0.02% |
+3,222
| New | +$229K |
|
|
EXAS
888
DELISTED
Exact Sciences
EXAS
| $243K | 0.02% |
19,894
+3,566
| +22% | +$26.9K |
|
889
PUT
GE Aerospace
GE
$361B
| $243K | 0.02% |
1,186
+231
| +24% | +$33.7K |
|
|
NSM
890
PUT
DELISTED
Nationstar Mortgage Holdings
NSM
| $243K | 0.02% |
195
+174
| +829% | +$2.02K |
|
891
PUT
CVS Health
CVS
$136B
| $242K | 0.02% |
2,113
+1,180
| +126% | +$118K |
|
892
Oxford Industries
OXM
$564M
| $242K | 0.02% |
4,276
+1,773
| +71% | +$110K |
|
893
PUT
Petrobras
PBR
$124B
| $242K | 0.02% |
2,495
-374
| -13% | -$2.48K |
|
894
Puma Biotechnology
PBYI
$394M
| $242K | 0.02% |
8,148
-4,410
| -35% | -$138K |
|
895
CALL
Yum! Brands
YUM
$40.6B
| $241K | 0.02% |
2,598
+1,221
| +89% | +$72K |
|
896
Imperial Oil
IMO
$61.7B
| $240K | 0.02% |
+7,618
| New | +$241K |
|
897
Lithia Motors
LAD
$7.59B
| $240K | 0.02% |
+3,385
| New | +$271K |
|
|
VMW
898
PUT
DELISTED
VMware, Inc
VMW
| $240K | 0.02% |
617
-453
| -42% | -$26.1K |
|
899
CALL
Fastenal
FAST
$52.2B
| $238K | 0.02% |
4,900
-216
| -4% | -$2.47K |
|
|
TA
900
DELISTED
TravelCenters of America LLC
TA
| $238K | 0.02% |
5,844
+4,616
| +376% | +$168K |
|
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.