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 |
Invesco QQQ Trust
QQQ
|
+$85.4M |
| 2 |
SPDR Gold Trust
GLD
|
+$75.9M |
| 3 |
NVIDIA
NVDA
|
+$42.6M |
| 4 |
Netflix
NFLX
|
+$41.1M |
| 5 |
iShares MSCI EAFE ETF
EFA
|
+$40.5M |
Top Sells
| 1 |
Apple
AAPL
|
+$65.7M |
| 2 |
iPath Series B S&P 500 VIX Short-Term Futures ETN
VXX
|
+$25.5M |
| 3 |
SPDR S&P 500 ETF Trust
SPY
|
+$24.4M |
| 4 |
SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$24.3M |
| 5 |
Broadcom
AVGO
|
+$21.3M |
Sector Composition
| 1 | Technology | 15.2% |
| 2 | Consumer Discretionary | 14.52% |
| 3 | Communication Services | 10.57% |
| 4 | Healthcare | 8.15% |
| 5 | Financials | 7.15% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1001
ProShares Ultra Gold
UGL
$741M
| $98K | ﹤0.01% |
6,104
-50,772
| -89% | -$815K |
|
1002
Ulta Beauty
ULTA
$23.3B
| $98K | ﹤0.01% |
483
+294
| +156% | +$59.7K |
|
|
APRN
1003
DELISTED
Blue Apron Holdings, Inc. Class A Common Stock
APRN
| $98K | ﹤0.01% |
744
+736
| +9,200% | +$96.9K |
|
1004
Fortive
FTV
$16.7B
| $97K | ﹤0.01% |
1,726
+1,606
| +1,338% | +$90.3K |
|
1005
Infosys
INFY
$70.5B
| $97K | ﹤0.01% |
10,110
-12,615
| -56% | -$121K |
|
1006
Kinross Gold
KGC
$28.3B
| $97K | ﹤0.01% |
13,545
-64,046
| -83% | -$459K |
|
1007
Westlake Chemical Partners
WLKP
$769M
| $97K | ﹤0.01% |
+5,145
| New | +$97K |
|
|
BNFT
1008
DELISTED
Benefitfocus, Inc.
BNFT
| $97K | ﹤0.01% |
+9,033
| New | +$97K |
|
|
GPMT
1009
Granite Point Mortgage Trust
GPMT
$145M
| $96K | ﹤0.01% |
13,426
-1,368
| -9% | -$9.78K |
|
|
SHLX
1010
DELISTED
Shell Midstream Partners, L.P.
SHLX
| $96K | ﹤0.01% |
7,824
-18,409
| -70% | -$226K |
|
1011
Magnachip Semiconductor
MX
$111M
| $95K | ﹤0.01% |
9,233
+5,821
| +171% | +$59.9K |
|
1012
Polaris
PII
$3.37B
| $95K | ﹤0.01% |
1,029
+816
| +383% | +$75.3K |
|
1013
Talos Energy
TALO
$1.69B
| $95K | ﹤0.01% |
10,342
+3,459
| +50% | +$31.8K |
|
1014
SPDR S&P Aerospace & Defense ETF
XAR
$4.07B
| $95K | ﹤0.01% |
1,089
+929
| +581% | +$81K |
|
|
CMO
1015
DELISTED
Capstead Mortgage Corp.
CMO
| $95K | ﹤0.01% |
+17,465
| New | +$95K |
|
1016
Dominion Energy
D
$51B
| $94K | ﹤0.01% |
+1,166
| New | +$94K |
|
1017
TechnipFMC
FTI
$16.7B
| $94K | ﹤0.01% |
+18,559
| New | +$94K |
|
1018
WisdomTree Europe Hedged Equity Fund
HEDJ
$1.8B
| $94K | ﹤0.01% |
3,114
-2,434
| -44% | -$73.5K |
|
1019
Realty Income
O
$54.7B
| $94K | ﹤0.01% |
1,645
+585
| +55% | +$33.4K |
|
|
VAR
1020
DELISTED
Varian Medical Systems, Inc.
VAR
| $94K | ﹤0.01% |
768
+256
| +50% | +$31.3K |
|
1021
Apogee Enterprises
APOG
$919M
| $93K | ﹤0.01% |
+4,048
| New | +$93K |
|
1022
Oceaneering
OII
$2.46B
| $93K | ﹤0.01% |
14,702
+13,742
| +1,431% | +$86.9K |
|
1023
Vishay Intertechnology
VSH
$2.07B
| $93K | ﹤0.01% |
+6,094
| New | +$93K |
|
|
ITI
1024
DELISTED
Iteris, Inc.
ITI
| $93K | ﹤0.01% |
19,690
+18,927
| +2,481% | +$89.4K |
|
|
PSXP
1025
DELISTED
PHILLIPS 66 PARTNERS LP
PSXP
| $93K | ﹤0.01% |
2,594
+1,130
| +77% | +$40.5K |
|