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
|
+$258M |
| 2 |
Vanguard S&P 500 ETF
VOO
|
+$75.7M |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$67.2M |
| 4 |
Alphabet (Google) Class C
GOOG
|
+$59.4M |
| 5 |
Intel
INTC
|
+$45.8M |
Top Sells
| 1 |
SPDR S&P 500 ETF Trust
SPY
|
+$56.8M |
| 2 |
iShares Silver Trust
SLV
|
+$45.9M |
| 3 |
Ford
F
|
+$32.5M |
| 4 |
Exxon Mobil
XOM
|
+$20.4M |
| 5 |
Caterpillar
CAT
|
+$19.2M |
Sector Composition
| 1 | Technology | 26.01% |
| 2 | Consumer Discretionary | 9.82% |
| 3 | Communication Services | 9.82% |
| 4 | Financials | 8.68% |
| 5 | Healthcare | 6.23% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
701
Centene
CNC
$15.4B
| $313K | ﹤0.01% |
+3,708
| New | +$313K |
|
702
Everest Group
EG
$14.3B
| $312K | ﹤0.01% |
1,115
-701
| -39% | -$196K |
|
703
Universal Health Services
UHS
$11.8B
| $312K | ﹤0.01% |
+3,100
| New | +$312K |
|
704
iShares MSCI USA Momentum Factor ETF
MTUM
$18.9B
| $311K | ﹤0.01% |
+2,287
| New | +$311K |
|
705
Procter & Gamble
PG
$368B
| $310K | ﹤0.01% |
2,160
-62,206
| -97% | -$8.93M |
|
706
Freshworks
FRSH
$3.79B
| $309K | ﹤0.01% |
+23,564
| New | +$309K |
|
707
Direxion Daily 7-10 Year Treasury Bull 3X Shares
TYD
$51.9M
| $309K | ﹤0.01% |
8,428
-2,231
| -21% | -$81.8K |
|
708
Global X S&P 500 Covered Call ETF
XYLD
$3.11B
| $308K | ﹤0.01% |
+7,227
| New | +$308K |
|
709
Hims & Hers Health
HIMS
$10.8B
| $305K | ﹤0.01% |
67,403
+14,561
| +28% | +$65.9K |
|
710
JELD-WEN Holding
JELD
$537M
| $305K | ﹤0.01% |
+20,953
| New | +$305K |
|
711
Orion
OEC
$570M
| $303K | ﹤0.01% |
19,525
-19,912
| -50% | -$309K |
|
|
ME
712
DELISTED
23andMe Holding Co. Class A Common Stock
ME
| $303K | ﹤0.01% |
6,120
-3,248
| -35% | -$161K |
|
|
LFC
713
DELISTED
China Life Insurance Company Ltd.
LFC
| $301K | ﹤0.01% |
34,923
+22,150
| +173% | +$191K |
|
714
Vipshop
VIPS
$8.85B
| $300K | ﹤0.01% |
30,428
-151,139
| -83% | -$1.49M |
|
715
iShares Asia 50 ETF
AIA
$977M
| $299K | ﹤0.01% |
4,767
+4,167
| +695% | +$261K |
|
716
ProShares Ultra Real Estate
URE
$59.5M
| $299K | ﹤0.01% |
+4,208
| New | +$299K |
|
717
Equinox Gold
EQX
$8.4B
| $297K | ﹤0.01% |
67,033
-27,556
| -29% | -$122K |
|
718
Direxion Daily S&P 500 High Beta Bear 3X Shares
HIBS
$28.9M
| $297K | ﹤0.01% |
2,315
+827
| +56% | +$106K |
|
719
iShares Select U.S. REIT ETF
ICF
$1.91B
| $297K | ﹤0.01% |
4,897
-13,875
| -74% | -$842K |
|
720
Direxion Daily S&P Biotech Bear 3X Shares
LABD
$73M
| $296K | ﹤0.01% |
7,623
-8,164
| -52% | -$317K |
|
721
Beyond Air
XAIR
$11.8M
| $295K | ﹤0.01% |
2,208
+1,007
| +84% | +$135K |
|
722
Guidewire Software
GWRE
$21.3B
| $293K | ﹤0.01% |
+4,137
| New | +$293K |
|
723
iShares MSCI Malaysia ETF
EWM
$242M
| $292K | ﹤0.01% |
13,333
+12,528
| +1,556% | +$274K |
|
724
Teekay
TK
$721M
| $291K | ﹤0.01% |
101,066
+94,748
| +1,500% | +$273K |
|
725
MarineMax
HZO
$545M
| $288K | ﹤0.01% |
7,978
+5,152
| +182% | +$186K |
|