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
|
+$258M |
| 2 |
Vanguard S&P 500 ETF
VOO
|
+$75.7M |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$67.2M |
| 4 |
Alphabet (Google) Class C
GOOG
|
+$59.4M |
| 5 |
Intel
INTC
|
+$45.8M |
Top Sells
| 1 |
SPDR S&P 500 ETF Trust
SPY
|
+$56.8M |
| 2 |
iShares Silver Trust
SLV
|
+$45.9M |
| 3 |
Ford
F
|
+$32.5M |
| 4 |
Exxon Mobil
XOM
|
+$20.4M |
| 5 |
Caterpillar
CAT
|
+$19.2M |
Sector Composition
| 1 | Technology | 26.01% |
| 2 | Consumer Discretionary | 9.82% |
| 3 | Communication Services | 9.82% |
| 4 | Financials | 8.68% |
| 5 | Healthcare | 6.23% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
FM
1326
DELISTED
iShares Frontier and Select EM ETF
FM
| $61K | ﹤0.01% |
2,302
+678
| +42% | +$18K |
|
1327
Crescent Energy
CRGY
$2.21B
| $60K | ﹤0.01% |
4,881
+126
| +3% | +$1.55K |
|
1328
Gold Resource Corp
GORO
$112M
| $60K | ﹤0.01% |
37,095
-73,898
| -67% | -$120K |
|
1329
Leslie's
LESL
$62M
| $60K | ﹤0.01% |
4,000
-1,125
| -22% | -$16.9K |
|
1330
ONE Gas
OGS
$4.55B
| $60K | ﹤0.01% |
741
+27
| +4% | +$2.19K |
|
1331
Praxis Precision Medicines
PRAX
$794M
| $60K | ﹤0.01% |
+1,653
| New | +$60K |
|
1332
Allstate
ALL
$52.8B
| $59K | ﹤0.01% |
+466
| New | +$59K |
|
|
CMPS
1333
Compass Pathways
CMPS
$499M
| $59K | ﹤0.01% |
5,487
-57,183
| -91% | -$615K |
|
1334
Grifois
GRFS
$6.72B
| $59K | ﹤0.01% |
5,003
-62,187
| -93% | -$733K |
|
1335
Highwoods Properties
HIW
$3.5B
| $59K | ﹤0.01% |
1,737
+811
| +88% | +$27.5K |
|
1336
Children's Place
PLCE
$155M
| $59K | ﹤0.01% |
+1,539
| New | +$59K |
|
1337
Schneider National
SNDR
$4.18B
| $59K | ﹤0.01% |
2,653
-6,323
| -70% | -$141K |
|
1338
Werner Enterprises
WERN
$1.68B
| $59K | ﹤0.01% |
1,544
-2,118
| -58% | -$80.9K |
|
|
OIG
1339
DELISTED
Orbital Infrastructure Group, Inc. Common Stock
OIG
| $59K | ﹤0.01% |
2,370
+1,132
| +91% | +$28.2K |
|
1340
Alaska Air
ALK
$7.31B
| $58K | ﹤0.01% |
1,460
-2,101
| -59% | -$83.5K |
|
1341
Full House Resorts
FLL
$120M
| $58K | ﹤0.01% |
+9,650
| New | +$58K |
|
1342
Global Ship Lease
GSL
$1.14B
| $58K | ﹤0.01% |
+3,517
| New | +$58K |
|
1343
GXO Logistics
GXO
$5.84B
| $58K | ﹤0.01% |
1,347
-228
| -14% | -$9.82K |
|
|
ILPT
1344
Industrial Logistics Properties Trust
ILPT
$424M
| $58K | ﹤0.01% |
4,149
+1,633
| +65% | +$22.8K |
|
1345
NovaGold Resources
NG
$2.82B
| $58K | ﹤0.01% |
12,189
-38,590
| -76% | -$184K |
|
1346
PG&E
PCG
$34B
| $58K | ﹤0.01% |
+5,894
| New | +$58K |
|
1347
Simpson Manufacturing
SSD
$7.86B
| $58K | ﹤0.01% |
584
+6
| +1% | +$596 |
|
1348
Telephone and Data Systems
TDS
$4.51B
| $58K | ﹤0.01% |
3,683
+2,339
| +174% | +$36.8K |
|
1349
First Financial Corporation Common Stock
THFF
$691M
| $58K | ﹤0.01% |
1,313
-415
| -24% | -$18.3K |
|
1350
XPeng
XPEV
$19.9B
| $58K | ﹤0.01% |
1,850
-164,585
| -99% | -$5.16M |
|