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 | |
|---|---|---|---|---|---|---|
376
BJ's Restaurants
BJRI
$742M
| $681K | ﹤0.01% |
32,529
-13,740
| -30% | -$288K |
|
|
FTCH
377
DELISTED
Farfetch Limited Class A Ordinary Shares
FTCH
| $678K | ﹤0.01% |
39,298
-88,180
| -69% | -$1.52M |
|
378
Arbor Realty Trust
ABR
$2.34B
| $676K | ﹤0.01% |
73,177
+9,825
| +16% | +$90.8K |
|
379
iShares Core S&P Mid-Cap ETF
IJH
$101B
| $671K | ﹤0.01% |
18,885
+11,730
| +164% | +$417K |
|
380
Viper Energy
VNOM
$6.29B
| $671K | ﹤0.01% |
64,796
+57,300
| +764% | +$593K |
|
381
lululemon athletica
LULU
$19.9B
| $669K | ﹤0.01% |
2,145
-18,066
| -89% | -$5.63M |
|
|
XLNX
382
DELISTED
Xilinx Inc
XLNX
| $668K | ﹤0.01% |
6,799
-22,943
| -77% | -$2.25M |
|
383
Chubb
CB
$111B
| $667K | ﹤0.01% |
+5,275
| New | +$667K |
|
|
LGF.A
384
DELISTED
Lions Gate Entertainment Corp. Class A Voting Shares
LGF.A
| $667K | ﹤0.01% |
90,108
-4,502
| -5% | -$33.3K |
|
385
iShares MSCI Taiwan ETF
EWT
$6.25B
| $666K | ﹤0.01% |
+16,581
| New | +$666K |
|
386
Wyndham Hotels & Resorts
WH
$6.59B
| $666K | ﹤0.01% |
15,627
+14,627
| +1,463% | +$623K |
|
387
Edgewell Personal Care
EPC
$1.09B
| $659K | ﹤0.01% |
21,178
+7,259
| +52% | +$226K |
|
388
Zebra Technologies
ZBRA
$16B
| $658K | ﹤0.01% |
2,574
+1,374
| +115% | +$351K |
|
389
Canadian Pacific Kansas City
CP
$70.3B
| $656K | ﹤0.01% |
+12,865
| New | +$656K |
|
390
Pegasystems
PEGA
$9.5B
| $654K | ﹤0.01% |
12,934
+10,790
| +503% | +$546K |
|
391
Plug Power
PLUG
$1.69B
| $650K | ﹤0.01% |
+79,196
| New | +$650K |
|
392
Hanesbrands
HBI
$2.27B
| $649K | ﹤0.01% |
57,517
+41,795
| +266% | +$472K |
|
393
eHealth
EHTH
$125M
| $645K | ﹤0.01% |
+6,575
| New | +$645K |
|
394
ImmunityBio
IBRX
$2.27B
| $641K | ﹤0.01% |
52,268
+42,814
| +453% | +$525K |
|
395
Ionis Pharmaceuticals
IONS
$9.76B
| $630K | ﹤0.01% |
10,697
+4,685
| +78% | +$276K |
|
396
iShares MSCI Singapore ETF
EWS
$805M
| $628K | ﹤0.01% |
33,466
+15,287
| +84% | +$287K |
|
397
Insulet
PODD
$24.5B
| $628K | ﹤0.01% |
3,235
+1,476
| +84% | +$287K |
|
|
ZUO
398
DELISTED
Zuora, Inc.
ZUO
| $623K | ﹤0.01% |
48,906
+44,517
| +1,014% | +$567K |
|
|
NBL
399
DELISTED
Noble Energy, Inc.
NBL
| $622K | ﹤0.01% |
69,518
+33,221
| +92% | +$297K |
|
400
Hershey
HSY
$37.6B
| $620K | ﹤0.01% |
+4,785
| New | +$620K |
|