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 |
Amazon
AMZN
|
+$144M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$68.7M |
| 3 |
AT&T
T
|
+$45.5M |
| 4 |
Meta Platforms (Facebook)
META
|
+$38M |
| 5 |
iShares MSCI Emerging Markets ETF
EEM
|
+$35.4M |
Top Sells
| 1 |
Microsoft
MSFT
|
+$94.2M |
| 2 |
Citigroup
C
|
+$62.3M |
| 3 |
JPMorgan Chase
JPM
|
+$56.2M |
| 4 |
Berkshire Hathaway Class B
BRK.B
|
+$45.8M |
| 5 |
SPDR Gold Trust
GLD
|
+$44.4M |
Sector Composition
| 1 | Consumer Discretionary | 16.85% |
| 2 | Technology | 15.5% |
| 3 | Communication Services | 10.53% |
| 4 | Healthcare | 8.8% |
| 5 | Consumer Staples | 5.63% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1451
Oscar Health
OSCR
$5B
| $32K | ﹤0.01% |
13,090
+9,053
| +224% | +$22.1K |
|
1452
Tidewater
TDW
$2.93B
| $32K | ﹤0.01% |
892
-1,257
| -58% | -$45.1K |
|
1453
ZimVie
ZIMV
$532M
| $32K | ﹤0.01% |
+3,443
| New | +$32K |
|
1454
Adecoagro
AGRO
$806M
| $31K | ﹤0.01% |
3,806
-5,102
| -57% | -$41.6K |
|
1455
Corebridge Financial
CRBG
$18B
| $31K | ﹤0.01% |
+1,576
| New | +$31K |
|
1456
Direxion Daily Healthcare Bull 3X Shares
CURE
$167M
| $31K | ﹤0.01% |
+276
| New | +$31K |
|
1457
Enlivex Therapeutics
ENLV
$25.5M
| $31K | ﹤0.01% |
8,153
+3,027
| +59% | +$11.5K |
|
1458
EXL Service
EXLS
$7.04B
| $31K | ﹤0.01% |
940
-13,255
| -93% | -$437K |
|
1459
Health Catalyst
HCAT
$220M
| $31K | ﹤0.01% |
2,932
-18,274
| -86% | -$193K |
|
1460
LoveSac
LOVE
$258M
| $31K | ﹤0.01% |
+1,446
| New | +$31K |
|
1461
Mitsubishi UFJ Financial
MUFG
$177B
| $31K | ﹤0.01% |
4,656
-1,830
| -28% | -$12.2K |
|
1462
Invesco S&P SmallCap Energy ETF
PSCE
$57.9M
| $31K | ﹤0.01% |
613
-1,988
| -76% | -$101K |
|
1463
ProShares UltraShort Materials
SMN
$791K
| $31K | ﹤0.01% |
1,486
| – | – |
|
1464
Alaunos Therapeutics
TCRT
$5.1M
| $31K | ﹤0.01% |
320
+206
| +181% | +$20K |
|
1465
Weis Markets
WMK
$1.75B
| $31K | ﹤0.01% |
377
-735
| -66% | -$60.4K |
|
|
ELVT
1466
DELISTED
Elevate Credit, Inc.
ELVT
| $31K | ﹤0.01% |
18,181
+16,407
| +925% | +$28K |
|
1467
Biohaven
BHVN
$1.47B
| $30K | ﹤0.01% |
+2,200
| New | +$30K |
|
1468
VanEck Gaming ETF
BJK
$27.4M
| $30K | ﹤0.01% |
783
+348
| +80% | +$13.3K |
|
1469
BeyondSpring
BYSI
$73.4M
| $30K | ﹤0.01% |
+15,988
| New | +$30K |
|
1470
Caribou Biosciences
CRBU
$168M
| $30K | ﹤0.01% |
4,865
-6,996
| -59% | -$43.1K |
|
1471
ProShares Trust Short MSCI Emerging Markets
EUM
$8.7M
| $30K | ﹤0.01% |
+1,000
| New | +$30K |
|
1472
Flux Power
FLUX
$30.5M
| $30K | ﹤0.01% |
7,775
-5,775
| -43% | -$22.3K |
|
1473
Heritage Insurance Holdings
HRTG
$763M
| $30K | ﹤0.01% |
17,106
-10,660
| -38% | -$18.7K |
|
1474
Korro Bio
KRRO
$289M
| $30K | ﹤0.01% |
+156
| New | +$30K |
|
1475
Pagaya Technologies
PGY
$3.04B
| $30K | ﹤0.01% |
+2,025
| New | +$30K |
|