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 |
NVIDIA
NVDA
|
+$114M |
| 2 |
Citigroup
C
|
+$77M |
| 3 |
Broadcom
AVGO
|
+$53M |
| 4 |
Pinduoduo
PDD
|
+$49.7M |
| 5 |
Intel
INTC
|
+$44.5M |
Top Sells
| 1 |
Energy Select Sector SPDR Fund
XLE
|
+$92.5M |
| 2 |
Pfizer
PFE
|
+$67.5M |
| 3 |
Boeing
BA
|
+$66.7M |
| 4 |
Direxion Daily Semiconductor Bull 3X Shares
SOXL
|
+$44.9M |
| 5 |
PayPal
PYPL
|
+$44.4M |
Sector Composition
| 1 | Technology | 27.91% |
| 2 | Consumer Discretionary | 14.92% |
| 3 | Healthcare | 10.74% |
| 4 | Financials | 10.11% |
| 5 | Materials | 6.23% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1026
Liberty Latin America Class C
LILAK
$1.53B
| $138K | ﹤0.01% |
14,395
-2,875
| -17% | -$27.6K |
|
1027
MillerKnoll
MLKN
$1.4B
| $138K | ﹤0.01% |
5,246
+2,263
| +76% | +$59.5K |
|
1028
Omeros
OMER
$284M
| $138K | ﹤0.01% |
34,073
-38,404
| -53% | -$156K |
|
1029
Ternium
TX
$6.87B
| $137K | ﹤0.01% |
+3,664
| New | +$137K |
|
1030
Beazer Homes USA
BZH
$759M
| $136K | ﹤0.01% |
+4,980
| New | +$136K |
|
1031
Fresh Del Monte Produce
FDP
$1.7B
| $136K | ﹤0.01% |
6,270
+6,017
| +2,378% | +$131K |
|
1032
iShares S&P India Nifty 50 Index Fund
INDY
$653M
| $136K | ﹤0.01% |
2,548
+1,428
| +128% | +$76.2K |
|
1033
Soho House & Co
SHCO
$1.73B
| $136K | ﹤0.01% |
25,672
-100,657
| -80% | -$533K |
|
1034
ProShares UltraShort S&P500
SDS
$468M
| $135K | ﹤0.01% |
5,861
-2,226
| -28% | -$51.3K |
|
1035
Sprott Uranium Miners ETF
URNM
$1.69B
| $135K | ﹤0.01% |
+2,759
| New | +$135K |
|
1036
Vanda Pharmaceuticals
VNDA
$268M
| $135K | ﹤0.01% |
23,920
-9,427
| -28% | -$53.2K |
|
1037
Alliance Resource Partners
ARLP
$2.93B
| $134K | ﹤0.01% |
5,508
-88,261
| -94% | -$2.15M |
|
1038
Gores Guggenheim
PSNY
$2.03B
| $134K | ﹤0.01% |
+171,053
| New | +$134K |
|
1039
Pyxis Oncology
PYXS
$117M
| $134K | ﹤0.01% |
+40,756
| New | +$134K |
|
1040
D-Wave Quantum
QBTS
$6.09B
| $134K | ﹤0.01% |
117,655
+69,810
| +146% | +$79.5K |
|
|
VERV
1041
DELISTED
Verve Therapeutics
VERV
| $134K | ﹤0.01% |
27,471
+18,256
| +198% | +$89.1K |
|
1042
iPath Bloomberg Commodity Index Total Return ETN due 12 June 2036
DJP
$592M
| $133K | ﹤0.01% |
4,154
-699
| -14% | -$22.4K |
|
1043
Rackspace Technology
RXT
$357M
| $133K | ﹤0.01% |
44,930
+29,865
| +198% | +$88.4K |
|
1044
AvePoint
AVPT
$3.39B
| $132K | ﹤0.01% |
12,688
-39,782
| -76% | -$414K |
|
1045
Jasper Therapeutics
JSPR
$41M
| $132K | ﹤0.01% |
5,821
+2,063
| +55% | +$46.8K |
|
1046
Park Hotels & Resorts
PK
$2.4B
| $131K | ﹤0.01% |
+8,748
| New | +$131K |
|
1047
Huron Consulting
HURN
$2.43B
| $130K | ﹤0.01% |
1,322
+75
| +6% | +$7.38K |
|
1048
Navitas Semiconductor
NVTS
$1.33B
| $130K | ﹤0.01% |
33,277
-21,853
| -40% | -$85.4K |
|
1049
OneSpaWorld
OSW
$2.27B
| $130K | ﹤0.01% |
8,474
+2,117
| +33% | +$32.5K |
|
1050
ProShares Ultra Bitcoin ETF
BITU
$1.18B
| $130K | ﹤0.01% |
+4,896
| New | +$130K |
|