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
|
+$45.7M |
| 2 |
Walmart
WMT
|
+$45.2M |
| 3 |
VanEck Oil Services ETF
OIH
|
+$34.2M |
| 4 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$33.2M |
| 5 |
Citigroup
C
|
+$32.7M |
Top Sells
| 1 |
Amazon
AMZN
|
+$164M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$111M |
| 3 |
NVIDIA
NVDA
|
+$77.7M |
| 4 |
Meta Platforms (Facebook)
META
|
+$60.9M |
| 5 |
Procter & Gamble
PG
|
+$38.8M |
Sector Composition
| 1 | Technology | 21.73% |
| 2 | Consumer Discretionary | 10.23% |
| 3 | Healthcare | 8.76% |
| 4 | Industrials | 7.59% |
| 5 | Communication Services | 6.56% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
751
OSI Systems
OSIS
$3.97B
| $234K | ﹤0.01% |
+2,292
| New | +$234K |
|
752
Albertsons Companies
ACI
$10.4B
| $228K | ﹤0.01% |
+10,988
| New | +$228K |
|
|
DICE
753
DELISTED
DICE Therapeutics, Inc. Common Stock
DICE
| $228K | ﹤0.01% |
7,977
+3,959
| +99% | +$113K |
|
|
SLGC
754
DELISTED
SomaLogic, Inc. Class A Common Stock
SLGC
| $227K | ﹤0.01% |
89,198
+26,939
| +43% | +$68.6K |
|
755
Beam Global
BEEM
$43.3M
| $226K | ﹤0.01% |
14,206
+374
| +3% | +$5.95K |
|
756
Allegiant Air
ALGT
$1.16B
| $225K | ﹤0.01% |
+2,447
| New | +$225K |
|
757
Apellis Pharmaceuticals
APLS
$3.29B
| $225K | ﹤0.01% |
+3,423
| New | +$225K |
|
758
Alkami Technology
ALKT
$2.62B
| $224K | ﹤0.01% |
+17,706
| New | +$224K |
|
759
Trinity Capital
TRIN
$1.13B
| $224K | ﹤0.01% |
17,623
+14,842
| +534% | +$189K |
|
760
Navigator Holdings
NVGS
$1.1B
| $223K | ﹤0.01% |
15,944
+9,118
| +134% | +$128K |
|
761
Symbotic
SYM
$5.44B
| $221K | ﹤0.01% |
9,690
+5,666
| +141% | +$129K |
|
762
Mitsubishi UFJ Financial
MUFG
$179B
| $220K | ﹤0.01% |
34,538
+29,882
| +642% | +$190K |
|
763
Verisk Analytics
VRSK
$36.7B
| $220K | ﹤0.01% |
+1,148
| New | +$220K |
|
764
Kinross Gold
KGC
$28B
| $219K | ﹤0.01% |
46,600
-50,083
| -52% | -$235K |
|
765
Intellia Therapeutics
NTLA
$1.21B
| $219K | ﹤0.01% |
5,896
+4,047
| +219% | +$150K |
|
766
SFL Corp
SFL
$1.09B
| $219K | ﹤0.01% |
23,146
+7,858
| +51% | +$74.4K |
|
767
Kosmos Energy
KOS
$832M
| $218K | ﹤0.01% |
29,338
-79,722
| -73% | -$592K |
|
768
TaskUs
TASK
$1.54B
| $218K | ﹤0.01% |
15,163
-571
| -4% | -$8.21K |
|
|
TPIC
769
DELISTED
TPI Composites
TPIC
| $218K | ﹤0.01% |
16,777
+15,822
| +1,657% | +$206K |
|
770
Perrigo
PRGO
$3.04B
| $216K | ﹤0.01% |
6,034
-8,630
| -59% | -$309K |
|
|
ENZ
771
DELISTED
Enzo Biochem, Inc.
ENZ
| $216K | ﹤0.01% |
88,897
+17,026
| +24% | +$41.4K |
|
772
Actinium Pharmaceuticals
ATNM
$50.2M
| $215K | ﹤0.01% |
22,756
+17,058
| +299% | +$161K |
|
773
Cipher Mining
CIFR
$4.03B
| $215K | ﹤0.01% |
92,471
+82,806
| +857% | +$193K |
|
774
Thomson Reuters
TRI
$76.8B
| $215K | ﹤0.01% |
+1,597
| New | +$215K |
|
775
Broadwind
BWEN
$50M
| $214K | ﹤0.01% |
+55,762
| New | +$214K |
|