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
| 1 |
Apple
AAPL
|
+$32.1M |
| 2 |
Bausch Health
BHC
|
+$18.4M |
| 3 |
GMCR
KEURIG GREEN MTN INC
GMCR
|
+$17.9M |
| 4 |
Chipotle Mexican Grill
CMG
|
+$14.9M |
| 5 |
Amazon
AMZN
|
+$13M |
Top Sells
| 1 |
iShares Russell 2000 ETF
IWM
|
+$27.5M |
| 2 |
SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$13.7M |
| 3 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$12.1M |
| 4 |
Netflix
NFLX
|
+$10.7M |
| 5 |
iShares MSCI Emerging Markets ETF
EEM
|
+$10.7M |
Sector Composition
| 1 | Consumer Discretionary | 17.29% |
| 2 | Healthcare | 13.74% |
| 3 | Technology | 12.76% |
| 4 | Communication Services | 12.12% |
| 5 | Industrials | 10.49% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
476
ScottsMiracle-Gro
SMG
$3.47B
| $204K | 0.02% |
3,164
+2,695
| +575% | +$174K |
|
477
Darling Ingredients
DAR
$5.16B
| $203K | 0.02% |
19,368
+11,934
| +161% | +$125K |
|
478
iShares Select Dividend ETF
DVY
$20.5B
| $203K | 0.02% |
2,713
-1,415
| -34% | -$106K |
|
479
Hannon Armstrong Sustainable Infrastructure Capital
HASI
$3.54B
| $203K | 0.02% |
+10,731
| New | +$203K |
|
480
Garmin
GRMN
$45.7B
| $202K | 0.02% |
5,444
-7,584
| -58% | -$281K |
|
|
ADT
481
DELISTED
ADT CORP
ADT
| $202K | 0.02% |
6,144
-2,179
| -26% | -$71.6K |
|
482
Fluor
FLR
$6.82B
| $200K | 0.02% |
4,245
+54
| +1% | +$2.54K |
|
483
O'Reilly Automotive
ORLY
$88.5B
| $200K | 0.02% |
+11,865
| New | +$200K |
|
484
APA Corp
APA
$8.57B
| $198K | 0.02% |
4,469
-30,818
| -87% | -$1.37M |
|
485
Ionis Pharmaceuticals
IONS
$9.79B
| $198K | 0.02% |
3,204
-2,273
| -42% | -$140K |
|
|
SNP
486
DELISTED
CHINA PETROLEUM & CHEMICAL CORPORATION ADS (REP 100 ORDINARY H SHARES)
SNP
| $198K | 0.02% |
+3,309
| New | +$198K |
|
|
SHLM
487
DELISTED
Schulman (A.) Inc
SHLM
| $197K | 0.02% |
6,444
-817
| -11% | -$25K |
|
488
Terex
TEX
$3.48B
| $196K | 0.02% |
10,640
-13,989
| -57% | -$258K |
|
489
Freshpet
FRPT
$2.59B
| $195K | 0.02% |
23,044
+20,563
| +829% | +$174K |
|
490
Kayne Anderson Energy Infrastructure Fund
KYN
$2.09B
| $195K | 0.02% |
11,312
+9,607
| +563% | +$166K |
|
491
Tronox
TROX
$807M
| $195K | 0.02% |
+49,999
| New | +$195K |
|
492
Direxion Daily Financial Bull 3x Shares
FAS
$2.83B
| $194K | 0.02% |
6,689
+2,818
| +73% | +$81.7K |
|
|
STKL
493
SunOpta
STKL
$758M
| $194K | 0.02% |
28,411
+20,093
| +242% | +$137K |
|
494
Five Below
FIVE
$8.45B
| $193K | 0.02% |
6,022
-6,577
| -52% | -$211K |
|
495
iShares US Transportation ETF
IYT
$611M
| $193K | 0.02% |
5,756
+1,428
| +33% | +$47.9K |
|
|
ASNA
496
DELISTED
Ascena Retail Group, Inc.
ASNA
| $193K | 0.02% |
+982
| New | +$193K |
|
|
JNPR
497
DELISTED
Juniper Networks
JNPR
| $192K | 0.02% |
+6,986
| New | +$192K |
|
498
Voya Financial
VOYA
$7.44B
| $192K | 0.02% |
5,209
+5,149
| +8,582% | +$190K |
|
499
iRobot
IRBT
$139M
| $191K | 0.02% |
5,423
+3,129
| +136% | +$110K |
|
500
Boston Beer
SAM
$2.47B
| $190K | 0.01% |
942
+275
| +41% | +$55.5K |
|