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 | |
|---|---|---|---|---|---|---|
1226
KLX Energy Services
KLXE
$31.4M
| $82K | ﹤0.01% |
7,351
+805
| +12% | +$8.98K |
|
1227
Lexicon Pharmaceuticals
LXRX
$418M
| $82K | ﹤0.01% |
+54,248
| New | +$82K |
|
|
NOAH
1228
Noah Holdings
NOAH
$781M
| $82K | ﹤0.01% |
5,967
+5,869
| +5,989% | +$80.7K |
|
1229
Olaplex Holdings
OLPX
$947M
| $82K | ﹤0.01% |
32,473
+31,713
| +4,173% | +$80.1K |
|
1230
Viavi Solutions
VIAV
$2.69B
| $82K | ﹤0.01% |
8,182
+8,136
| +17,687% | +$81.5K |
|
1231
Sabesp
SBS
$16B
| $81K | ﹤0.01% |
5,372
+3,248
| +153% | +$49K |
|
1232
Universal Technical Institute
UTI
$1.48B
| $81K | ﹤0.01% |
+6,544
| New | +$81K |
|
1233
Vishay Intertechnology
VSH
$2.07B
| $81K | ﹤0.01% |
+3,412
| New | +$81K |
|
1234
AMN Healthcare
AMN
$699M
| $80K | ﹤0.01% |
1,074
-157
| -13% | -$11.7K |
|
1235
iShares MSCI Malaysia ETF
EWM
$245M
| $80K | ﹤0.01% |
3,773
+442
| +13% | +$9.37K |
|
|
MVO
1236
MV Oil Trust
MVO
$70M
| $80K | ﹤0.01% |
6,735
+3,527
| +110% | +$41.9K |
|
|
ACRE
1237
Ares Commercial Real Estate
ACRE
$266M
| $78K | ﹤0.01% |
7,529
-13,715
| -65% | -$142K |
|
1238
Legacy Housing
LEGH
$657M
| $78K | ﹤0.01% |
+3,097
| New | +$78K |
|
1239
Global X Artificial Intelligence & Technology ETF
AIQ
$4.89B
| $77K | ﹤0.01% |
2,497
-3,269
| -57% | -$101K |
|
1240
CEL-SCI Corp
CVM
$70.5M
| $77K | ﹤0.01% |
950
+296
| +45% | +$24K |
|
|
PTN
1241
DELISTED
Palatin Technologies
PTN
| $77K | ﹤0.01% |
19,487
+17,863
| +1,100% | +$70.6K |
|
1242
Repare Therapeutics
RPTX
$75.6M
| $77K | ﹤0.01% |
10,553
-8,745
| -45% | -$63.8K |
|
|
SVM
1243
Silvercorp Metals
SVM
$1.15B
| $77K | ﹤0.01% |
29,342
-4,669
| -14% | -$12.3K |
|
1244
Bioventus
BVS
$484M
| $76K | ﹤0.01% |
14,547
+6,319
| +77% | +$33K |
|
1245
Pliant Therapeutics
PLRX
$97.6M
| $76K | ﹤0.01% |
4,197
-21,409
| -84% | -$388K |
|
1246
Aldeyra Therapeutics
ALDX
$324M
| $75K | ﹤0.01% |
21,578
-50,061
| -70% | -$174K |
|
1247
Carriage Services
CSV
$670M
| $75K | ﹤0.01% |
3,031
-11,461
| -79% | -$284K |
|
1248
VanEck Digital Transformation ETF
DAPP
$331M
| $75K | ﹤0.01% |
+7,331
| New | +$75K |
|
|
MTA
1249
Metalla Royalty & Streaming
MTA
$527M
| $75K | ﹤0.01% |
+24,366
| New | +$75K |
|
1250
The ONE Group
STKS
$81.1M
| $75K | ﹤0.01% |
+12,311
| New | +$75K |
|