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 | |
|---|---|---|---|---|---|---|
1351
John Wiley & Sons Class A
WLY
$2.19B
| $56K | ﹤0.01% |
1,784
+310
| +21% | +$9.73K |
|
1352
Compañía de Minas Buenaventura
BVN
$5.08B
| $55K | ﹤0.01% |
+3,672
| New | +$55K |
|
|
NGD
1353
New Gold Inc
NGD
$5.1B
| $55K | ﹤0.01% |
+38,122
| New | +$55K |
|
1354
Nine Energy Service
NINE
$28.6M
| $55K | ﹤0.01% |
20,875
+7,591
| +57% | +$20K |
|
1355
WisdomTree
WT
$2.13B
| $55K | ﹤0.01% |
+7,970
| New | +$55K |
|
|
NNDM
1356
Nano Dimension
NNDM
$306M
| $54K | ﹤0.01% |
22,844
-32,121
| -58% | -$75.9K |
|
|
OBE
1357
Obsidian Energy
OBE
$423M
| $53K | ﹤0.01% |
7,933
-96,986
| -92% | -$648K |
|
1358
Barings BDC
BBDC
$972M
| $53K | ﹤0.01% |
+6,216
| New | +$53K |
|
1359
eHealth
EHTH
$121M
| $53K | ﹤0.01% |
+6,156
| New | +$53K |
|
1360
Houston American Energy
HUSA
$227M
| $53K | ﹤0.01% |
3,007
+2,609
| +656% | +$46K |
|
1361
Life Time Group Holdings
LTH
$6.22B
| $53K | ﹤0.01% |
+3,535
| New | +$53K |
|
1362
Nerdy
NRDY
$165M
| $53K | ﹤0.01% |
+15,518
| New | +$53K |
|
1363
Addus HomeCare
ADUS
$2.02B
| $51K | ﹤0.01% |
+555
| New | +$51K |
|
1364
Invesco DB Oil Fund
DBO
$229M
| $51K | ﹤0.01% |
+3,675
| New | +$51K |
|
1365
SPDR S&P Dividend ETF
SDY
$20.3B
| $51K | ﹤0.01% |
416
-653
| -61% | -$80.1K |
|
1366
AudioCodes
AUDC
$291M
| $50K | ﹤0.01% |
4,192
+4,143
| +8,455% | +$49.4K |
|
1367
Immatics
IMTX
$804M
| $50K | ﹤0.01% |
+4,787
| New | +$50K |
|
1368
Oshkosh
OSK
$8.72B
| $50K | ﹤0.01% |
470
-3,717
| -89% | -$395K |
|
1369
PureCycle Technologies
PCT
$2.48B
| $50K | ﹤0.01% |
+12,528
| New | +$50K |
|
1370
Rayonier
RYN
$4.01B
| $50K | ﹤0.01% |
+1,595
| New | +$50K |
|
1371
VOC Energy
VOC
$47.6M
| $50K | ﹤0.01% |
+7,072
| New | +$50K |
|
1372
Astronics
ATRO
$1.48B
| $49K | ﹤0.01% |
2,818
-2,748
| -49% | -$47.8K |
|
|
CWBC
1373
Community West Bancshares
CWBC
$416M
| $49K | ﹤0.01% |
+2,196
| New | +$49K |
|
|
HITI
1374
High Tide
HITI
$347M
| $49K | ﹤0.01% |
+30,472
| New | +$49K |
|
1375
First Internet Bancorp
INBK
$220M
| $49K | ﹤0.01% |
2,037
+1,585
| +351% | +$38.1K |
|