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
|
+$102M |
| 2 |
TSMC
TSM
|
+$29.6M |
| 3 |
JPMorgan Chase
JPM
|
+$21.9M |
| 4 |
Boeing
BA
|
+$18.8M |
| 5 |
Target
TGT
|
+$13.5M |
Top Sells
| 1 |
SPDR Gold Trust
GLD
|
+$94.2M |
| 2 |
Tesla
TSLA
|
+$91.2M |
| 3 |
Invesco QQQ Trust
QQQ
|
+$81.5M |
| 4 |
NVIDIA
NVDA
|
+$60M |
| 5 |
iShares MSCI EAFE ETF
EFA
|
+$40.5M |
Sector Composition
| 1 | Consumer Discretionary | 21.73% |
| 2 | Technology | 16.48% |
| 3 | Healthcare | 9.06% |
| 4 | Financials | 8.3% |
| 5 | Communication Services | 7.51% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1451
Vanda Pharmaceuticals
VNDA
$266M
| $34K | ﹤0.01% |
3,583
-141
| -4% | -$1.34K |
|
|
XNET
1452
Xunlei
XNET
$472M
| $34K | ﹤0.01% |
10,054
+2,486
| +33% | +$8.41K |
|
1453
Altisource Portfolio Solutions
ASPS
$123M
| $33K | ﹤0.01% |
330
-122
| -27% | -$12.2K |
|
1454
Teucrium Sugar Fund
CANE
$12.5M
| $33K | ﹤0.01% |
+5,513
| New | +$33K |
|
1455
Entergy
ETR
$40.3B
| $33K | ﹤0.01% |
+674
| New | +$33K |
|
1456
iShares 5-10 Year Investment Grade Corporate Bond ETF
IGIB
$16.4B
| $33K | ﹤0.01% |
552
-436
| -44% | -$26.1K |
|
1457
McEwen Inc.
MUX
$748M
| $33K | ﹤0.01% |
3,184
+2,348
| +281% | +$24.3K |
|
1458
Vermilion Energy
VET
$1.14B
| $33K | ﹤0.01% |
14,323
-4,364
| -23% | -$10.1K |
|
|
CNSL
1459
DELISTED
Consolidated Communications Holdings, Inc.
CNSL
| $33K | ﹤0.01% |
5,839
-5,969
| -51% | -$33.7K |
|
|
VCNX
1460
DELISTED
Vaccinex, Inc. Common Stock
VCNX
| $33K | ﹤0.01% |
+89
| New | +$33K |
|
|
TREC
1461
DELISTED
Trecora Resources
TREC
| $33K | ﹤0.01% |
5,507
+1,258
| +30% | +$7.54K |
|
|
SBBP
1462
DELISTED
Strongbridge Biopharma plc.
SBBP
| $33K | ﹤0.01% |
+16,079
| New | +$33K |
|
1463
iShares MSCI EAFE Value ETF
EFV
$28.1B
| $32K | ﹤0.01% |
800
+700
| +700% | +$28K |
|
1464
Lantheus
LNTH
$3.6B
| $32K | ﹤0.01% |
2,543
-18,182
| -88% | -$229K |
|
1465
LSI Industries
LYTS
$686M
| $32K | ﹤0.01% |
4,880
+4,042
| +482% | +$26.5K |
|
1466
Stepan Co
SCL
$1.09B
| $32K | ﹤0.01% |
+300
| New | +$32K |
|
1467
SM Energy
SM
$3.07B
| $32K | ﹤0.01% |
+20,683
| New | +$32K |
|
1468
Xeris Biopharma Holdings
XERS
$1.21B
| $32K | ﹤0.01% |
5,526
+5,053
| +1,068% | +$29.3K |
|
|
JNCE
1469
DELISTED
Jounce Therapeutics, Inc. Common Stock
JNCE
| $32K | ﹤0.01% |
+3,993
| New | +$32K |
|
1470
Acadia Realty Trust
AKR
$2.64B
| $31K | ﹤0.01% |
+2,984
| New | +$31K |
|
1471
ArcBest
ARCB
$1.6B
| $31K | ﹤0.01% |
1,019
-1,179
| -54% | -$35.9K |
|
1472
Alphatec Holdings
ATEC
$2.26B
| $31K | ﹤0.01% |
+4,810
| New | +$31K |
|
1473
BlueLinx
BXC
$617M
| $31K | ﹤0.01% |
+1,470
| New | +$31K |
|
1474
Liberty Media Series A
FWONA
$22.5B
| $31K | ﹤0.01% |
992
-1,348
| -58% | -$42.1K |
|
1475
Quanex
NX
$661M
| $31K | ﹤0.01% |
1,729
+1,361
| +370% | +$24.4K |
|