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 |
Energy Select Sector SPDR Fund
XLE
|
+$93.9M |
| 2 |
Pfizer
PFE
|
+$89.5M |
| 3 |
Boeing
BA
|
+$66.7M |
| 4 |
Intel
INTC
|
+$60.2M |
| 5 |
Meta Platforms (Facebook)
META
|
+$52.5M |
Top Sells
| 1 |
NVIDIA
NVDA
|
+$146M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$109M |
| 3 |
Alibaba
BABA
|
+$81.8M |
| 4 |
Walt Disney
DIS
|
+$80.2M |
| 5 |
Citigroup
C
|
+$55.3M |
Sector Composition
| 1 | Technology | 19.03% |
| 2 | Healthcare | 13.86% |
| 3 | Consumer Discretionary | 12.44% |
| 4 | Industrials | 8.48% |
| 5 | Communication Services | 7.95% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1551
ProPetro Holding
PUMP
$513M
| $31K | ﹤0.01% |
3,891
+2,731
| +235% | +$21.8K |
|
1552
ProShares Ultra Yen
YCL
$55.4M
| $31K | ﹤0.01% |
1,345
-2,142
| -61% | -$49.4K |
|
|
IBTX
1553
DELISTED
Independent Bank Group, Inc.
IBTX
| $31K | ﹤0.01% |
699
+489
| +233% | +$21.7K |
|
1554
ProShares Ultra NASDAQ Biotechnology
BIB
$57.1M
| $30K | ﹤0.01% |
522
-1,957
| -79% | -$112K |
|
|
BRDG
1555
DELISTED
Bridge Investment Group
BRDG
| $30K | ﹤0.01% |
4,402
-24,533
| -85% | -$167K |
|
1556
Pacer US Cash Cows 100 ETF
COWZ
$19.5B
| $30K | ﹤0.01% |
524
-3,041
| -85% | -$174K |
|
1557
Edgewell Personal Care
EPC
$971M
| $30K | ﹤0.01% |
+791
| New | +$30K |
|
1558
Essential Properties Realty Trust
EPRT
$5.98B
| $30K | ﹤0.01% |
+1,162
| New | +$30K |
|
1559
iShares MSCI Saudi Arabia ETF
KSA
$565M
| $30K | ﹤0.01% |
681
+403
| +145% | +$17.8K |
|
1560
ProQR Therapeutics
PRQR
$231M
| $30K | ﹤0.01% |
13,550
+11,756
| +655% | +$26K |
|
1561
Radiant Logistics
RLGT
$278M
| $30K | ﹤0.01% |
5,688
+4,214
| +286% | +$22.2K |
|
1562
Seadrill
SDRL
$2.06B
| $30K | ﹤0.01% |
+616
| New | +$30K |
|
1563
Sleep Number
SNBR
$202M
| $30K | ﹤0.01% |
1,909
-8,268
| -81% | -$130K |
|
1564
CAE Inc
CAE
$8.65B
| $29K | ﹤0.01% |
1,432
-1,279
| -47% | -$25.9K |
|
1565
Farmers National Banc Corp
FMNB
$568M
| $29K | ﹤0.01% |
+2,244
| New | +$29K |
|
1566
MediaAlpha
MAX
$713M
| $29K | ﹤0.01% |
1,452
+198
| +16% | +$3.96K |
|
1567
Novanta
NOVT
$4.22B
| $29K | ﹤0.01% |
+166
| New | +$29K |
|
|
PTN
1568
DELISTED
Palatin Technologies
PTN
| $29K | ﹤0.01% |
15,520
-3,967
| -20% | -$7.41K |
|
1569
ProShares Short S&P500
SH
$1.22B
| $29K | ﹤0.01% |
+618
| New | +$29K |
|
1570
Spok Holdings
SPOK
$362M
| $29K | ﹤0.01% |
1,879
-1,210
| -39% | -$18.7K |
|
1571
Viavi Solutions
VIAV
$2.75B
| $29K | ﹤0.01% |
3,269
-4,913
| -60% | -$43.6K |
|
1572
Varonis Systems
VRNS
$6.44B
| $29K | ﹤0.01% |
+632
| New | +$29K |
|
|
ATSG
1573
DELISTED
Air Transport Services Group, Inc.
ATSG
| $29K | ﹤0.01% |
2,176
-6,782
| -76% | -$90.4K |
|
1574
Cerus
CERS
$249M
| $28K | ﹤0.01% |
+14,958
| New | +$28K |
|
1575
Aegon
AEG
$12.1B
| $28K | ﹤0.01% |
+4,633
| New | +$28K |
|