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 |
iShares Russell 2000 ETF
IWM
|
+$27.5M |
| 2 |
SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$16.3M |
| 3 |
Walt Disney
DIS
|
+$13.9M |
| 4 |
iShares MSCI Emerging Markets ETF
EEM
|
+$10.4M |
| 5 |
Gilead Sciences
GILD
|
+$10.4M |
Top Sells
| 1 |
Alphabet (Google) Class C
GOOG
|
+$95.3M |
| 2 |
Apple
AAPL
|
+$21.1M |
| 3 |
Meta Platforms (Facebook)
META
|
+$20M |
| 4 |
IBM
IBM
|
+$13.4M |
| 5 |
Baidu
BIDU
|
+$12.1M |
Sector Composition
| 1 | Healthcare | 13.63% |
| 2 | Communication Services | 9.81% |
| 3 | Consumer Discretionary | 9.7% |
| 4 | Technology | 9.67% |
| 5 | Financials | 9.48% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
726
Eastman Chemical
EMN
$7.73B
| $93K | 0.01% |
1,444
-8,614
| -86% | -$555K |
|
727
Graco
GGG
$14.2B
| $93K | 0.01% |
4,179
+4,134
| +9,187% | +$92K |
|
728
Signet Jewelers
SIG
$3.79B
| $93K | 0.01% |
684
-1,890
| -73% | -$257K |
|
|
CPPL
729
DELISTED
Columbia Pipeline Partners LP
CPPL
| $93K | 0.01% |
+7,389
| New | +$93K |
|
|
APOL
730
DELISTED
Apollo Education Group Inc Class A
APOL
| $93K | 0.01% |
8,450
-15,289
| -64% | -$168K |
|
|
DNY
731
DELISTED
DONNELLEY R R & SONS CO
DNY
| $93K | 0.01% |
+6,443
| New | +$93K |
|
732
Kinross Gold
KGC
$28.3B
| $92K | 0.01% |
53,740
+52,922
| +6,470% | +$90.6K |
|
|
HCC
733
DELISTED
HCC INSURANCES HOLDINGS INC
HCC
| $92K | 0.01% |
1,191
-705
| -37% | -$54.5K |
|
734
Dorman Products
DORM
$4.97B
| $91K | 0.01% |
1,792
-3,855
| -68% | -$196K |
|
|
WW
735
DELISTED
WW International
WW
| $91K | 0.01% |
14,284
+3,603
| +34% | +$23K |
|
|
LTM
736
DELISTED
LATAM Airlines Group S.A American Depositary Shares (Each representing 1 Common Share)
LTM
| $91K | 0.01% |
18,673
+15,740
| +537% | +$76.7K |
|
|
WOOF
737
DELISTED
VCA Inc.
WOOF
| $91K | 0.01% |
+1,746
| New | +$91K |
|
738
Revvity
RVTY
$9.82B
| $90K | 0.01% |
1,969
+1,187
| +152% | +$54.3K |
|
739
Teekay Tankers
TNK
$1.78B
| $90K | 0.01% |
1,644
+666
| +68% | +$36.5K |
|
|
RAX
740
DELISTED
Rackspace Hosting Inc
RAX
| $90K | 0.01% |
3,680
+2,884
| +362% | +$70.5K |
|
741
WisdomTree Emerging Markets High Dividend Fund
DEM
$3.19B
| $89K | 0.01% |
2,678
-574
| -18% | -$19.1K |
|
742
Teradyne
TER
$18.4B
| $89K | 0.01% |
4,991
+4,569
| +1,083% | +$81.5K |
|
|
CIE
743
DELISTED
Cobalt International Energy, Inc
CIE
| $89K | 0.01% |
847
+609
| +256% | +$64K |
|
|
BTCM
744
BIT Mining
BTCM
$51.2M
| $88K | 0.01% |
+549
| New | +$88K |
|
745
Rayonier Advanced Materials
RYAM
$410M
| $88K | 0.01% |
14,412
+13,881
| +2,614% | +$84.8K |
|
746
Targa Resources
TRGP
$35.6B
| $88K | 0.01% |
1,712
+1,012
| +145% | +$52K |
|
747
Vornado Realty Trust
VNO
$7.98B
| $88K | 0.01% |
1,217
-643
| -35% | -$46.5K |
|
|
FRC
748
DELISTED
First Republic Bank
FRC
| $88K | 0.01% |
1,410
-2,122
| -60% | -$132K |
|
749
Burlington
BURL
$17.7B
| $87K | 0.01% |
1,709
-7,608
| -82% | -$387K |
|
750
Cognex
CGNX
$7.54B
| $87K | 0.01% |
+5,098
| New | +$87K |
|