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 |
Alibaba
BABA
|
+$117M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$97.6M |
| 3 |
Walt Disney
DIS
|
+$73.4M |
| 4 |
Citigroup
C
|
+$45.8M |
| 5 |
KraneShares CSI China Internet ETF
KWEB
|
+$41.5M |
Top Sells
| 1 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$149M |
| 2 |
Amazon
AMZN
|
+$107M |
| 3 |
SPDR Gold Trust
GLD
|
+$58.6M |
| 4 |
Coinbase
COIN
|
+$56.5M |
| 5 |
NVIDIA
NVDA
|
+$48.2M |
Sector Composition
| 1 | Technology | 16.06% |
| 2 | Consumer Discretionary | 14.45% |
| 3 | Communication Services | 10.03% |
| 4 | Financials | 9.44% |
| 5 | Healthcare | 9.18% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
851
Verra Mobility
VRRM
$3.94B
| $273K | ﹤0.01% |
11,873
+7,566
| +176% | +$174K |
|
852
Alto Ingredients
ALTO
$91.3M
| $272K | ﹤0.01% |
102,279
+93,639
| +1,084% | +$249K |
|
853
Universal Corp
UVV
$1.38B
| $272K | ﹤0.01% |
4,055
+3,906
| +2,621% | +$262K |
|
854
Limoneira
LMNR
$277M
| $271K | ﹤0.01% |
13,137
+12,703
| +2,927% | +$262K |
|
|
DESP
855
DELISTED
Despegar.com
DESP
| $270K | ﹤0.01% |
28,567
+19,790
| +225% | +$187K |
|
856
Herc Holdings
HRI
$4.2B
| $268K | ﹤0.01% |
+1,806
| New | +$268K |
|
857
Array Technologies
ARRY
$1.2B
| $266K | ﹤0.01% |
+15,863
| New | +$266K |
|
858
OptimizeRx
OPRX
$343M
| $265K | ﹤0.01% |
+18,531
| New | +$265K |
|
859
Gray Television
GTN
$599M
| $263K | ﹤0.01% |
+29,365
| New | +$263K |
|
860
Ocular Therapeutix
OCUL
$2.24B
| $263K | ﹤0.01% |
+59,115
| New | +$263K |
|
861
CVR Partners
UAN
$924M
| $263K | ﹤0.01% |
4,026
+3,495
| +658% | +$228K |
|
862
Vanguard Short-Term Treasury ETF
VGSH
$22.9B
| $263K | ﹤0.01% |
4,518
+2,999
| +197% | +$175K |
|
863
Ardmore Shipping
ASC
$505M
| $262K | ﹤0.01% |
18,664
-10,028
| -35% | -$141K |
|
864
Altice USA
ATUS
$1.13B
| $262K | ﹤0.01% |
+80,846
| New | +$262K |
|
865
ImmunityBio
IBRX
$2.45B
| $262K | ﹤0.01% |
52,314
+43,431
| +489% | +$218K |
|
866
iShares Mortgage Real Estate ETF
REM
$611M
| $262K | ﹤0.01% |
11,118
-37,164
| -77% | -$876K |
|
867
Arbutus Biopharma
ABUS
$888M
| $261K | ﹤0.01% |
104,460
+79,069
| +311% | +$198K |
|
|
HIVE
868
HIVE Digital Technologies
HIVE
$852M
| $261K | ﹤0.01% |
+57,629
| New | +$261K |
|
869
Olema Pharmaceuticals
OLMA
$542M
| $261K | ﹤0.01% |
+18,651
| New | +$261K |
|
870
Algonquin Power & Utilities
AQN
$4.29B
| $259K | ﹤0.01% |
+41,127
| New | +$259K |
|
871
B&G Foods
BGS
$364M
| $259K | ﹤0.01% |
+24,748
| New | +$259K |
|
872
Emergent Biosolutions
EBS
$439M
| $259K | ﹤0.01% |
108,076
+17,667
| +20% | +$42.3K |
|
873
Ero Copper
ERO
$1.74B
| $258K | ﹤0.01% |
16,353
+15,756
| +2,639% | +$249K |
|
874
STAG Industrial
STAG
$6.77B
| $257K | ﹤0.01% |
6,570
+254
| +4% | +$9.94K |
|
875
CNA Financial
CNA
$13B
| $254K | ﹤0.01% |
6,006
-113
| -2% | -$4.78K |
|