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 | |
|---|---|---|---|---|---|---|
1501
CALL
Harley-Davidson
HOG
$2.68B
| $104K | 0.01% |
562
+253
| +82% | +$13.1K |
|
1502
Pearson
PSO
$9.78B
| $104K | 0.01% |
10,625
+8,227
| +343% | +$94.5K |
|
1503
PUT
J.M. Smucker
SJM
$12.6B
| $104K | 0.01% |
421
+399
| +1,814% | +$58.6K |
|
|
BLCM
1504
PUT
DELISTED
Bellicum Pharmaceuticals, Inc.
BLCM
| $104K | 0.01% |
52
+38
| +271% | +$6.54K |
|
|
HCR
1505
DELISTED
Hi-Crush Inc. Common Stock
HCR
| $104K | 0.01% |
6,785
-46,319
| -87% | -$626K |
|
|
TFCF
1506
DELISTED
Twenty-First Century Fox, Inc. Class B
TFCF
| $104K | 0.01% |
4,213
+3,482
| +476% | +$90.7K |
|
|
RAI
1507
CALL
DELISTED
Reynolds American Inc
RAI
| $104K | 0.01% |
381
-318
| -45% | -$16K |
|
1508
Alamos Gold
AGI
$12.4B
| $103K | 0.01% |
12,631
+7,387
| +141% | +$64.3K |
|
|
FOLD
1509
CALL
DELISTED
Amicus Therapeutics
FOLD
| $103K | 0.01% |
399
-36
| -8% | -$243 |
|
|
HIMX
1510
PUT
Himax Technologies
HIMX
$2.2B
| $103K | 0.01% |
725
+490
| +209% | +$4.59K |
|
1511
CALL
Precigen
PGEN
$1.93B
| $103K | 0.01% |
403
-234
| -37% | -$6.19K |
|
1512
CALL
Qualys
QLYS
$4.84B
| $103K | 0.01% |
182
-1
| -0.5% | -$33 |
|
1513
CALL
XPO
XPO
$25B
| $103K | 0.01% |
564
-63
| -10% | -$712 |
|
|
XLNX
1514
PUT
DELISTED
Xilinx Inc
XLNX
| $103K | 0.01% |
518
+391
| +308% | +$20.1K |
|
|
BHI
1515
PUT
DELISTED
Baker Hughes
BHI
| $103K | 0.01% |
260
-123
| -32% | -$5.92K |
|
|
CAVM
1516
CALL
DELISTED
Cavium, Inc.
CAVM
| $103K | 0.01% |
178
+114
| +178% | +$5.71K |
|
1517
CALL
Coty
COTY
$2.33B
| $102K | 0.01% |
+1,221
| New | +$32.3K |
|
1518
CALL
CSX Corp
CSX
$98.6B
| $102K | 0.01% |
2,460
+1,386
| +129% | +$13.1K |
|
1519
CALL
Fortuna Silver Mines
FSM
$2.59B
| $102K | 0.01% |
845
+693
| +456% | +$5.77K |
|
1520
CALL
Masco
MAS
$16B
| $102K | 0.01% |
518
+349
| +207% | +$12.1K |
|
1521
PUT
Nucor
NUE
$56.4B
| $102K | 0.01% |
901
+648
| +256% | +$33K |
|
1522
CALL
PVH
PVH
$3.71B
| $102K | 0.01% |
269
+233
| +647% | +$24.1K |
|
1523
PUT
Restaurant Brands International
QSR
$25.1B
| $102K | 0.01% |
414
+285
| +221% | +$12.9K |
|
1524
ProShares Ultra Technology
ROM
$1.13B
| $102K | 0.01% |
17,184
+6,832
| +66% | +$37.7K |
|
1525
PUT
TJX Companies
TJX
$170B
| $102K | 0.01% |
1,058
+566
| +115% | +$22.1K |
|
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.