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 | |
|---|---|---|---|---|---|---|
|
INTZ
1576
DELISTED
INTRUSION INC NEW
INTZ
| $34K | ﹤0.01% |
8,735
+4,274
| +96% | +$16.6K |
|
1577
Citi Trends
CTRN
$281M
| $33K | ﹤0.01% |
+1,423
| New | +$33K |
|
1578
Golar LNG
GLNG
$4.16B
| $33K | ﹤0.01% |
1,485
-3,063
| -67% | -$68.1K |
|
1579
LG Display
LPL
$4.46B
| $33K | ﹤0.01% |
+6,026
| New | +$33K |
|
|
MESO
1580
Mesoblast
MESO
$1.9B
| $33K | ﹤0.01% |
+7,562
| New | +$33K |
|
1581
Invesco S&P 500 Equal Weight Materials ETF
RSPM
$164M
| $33K | ﹤0.01% |
+1,095
| New | +$33K |
|
1582
Boston Beer
SAM
$2.36B
| $33K | ﹤0.01% |
110
| – | – |
|
1583
Star Group
SGU
$387M
| $33K | ﹤0.01% |
3,639
-546
| -13% | -$4.95K |
|
1584
Energous
WATT
$11.3M
| $33K | ﹤0.01% |
57
-14
| -20% | -$8.11K |
|
|
MMAT
1585
DELISTED
Meta Materials Inc. Common Stock
MMAT
| $33K | ﹤0.01% |
+327
| New | +$33K |
|
|
BORR
1586
Borr Drilling
BORR
$862M
| $32K | ﹤0.01% |
+7,032
| New | +$32K |
|
1587
eXp World Holdings
EXPI
$1.75B
| $32K | ﹤0.01% |
+2,743
| New | +$32K |
|
1588
Greenlight Captial
GLRE
$426M
| $32K | ﹤0.01% |
4,235
-1,157
| -21% | -$8.74K |
|
1589
NWPX Infrastructure, Inc. Common Stock
NWPX
$495M
| $32K | ﹤0.01% |
1,092
+252
| +30% | +$7.39K |
|
|
OCFT
1590
OneConnect Financial Technology
OCFT
$281M
| $32K | ﹤0.01% |
1,908
+1,398
| +274% | +$23.4K |
|
1591
RE/MAX Holdings
RMAX
$195M
| $32K | ﹤0.01% |
1,331
+1,249
| +1,523% | +$30K |
|
1592
SGHC Ltd
SGHC
$6.39B
| $32K | ﹤0.01% |
7,827
-92,394
| -92% | -$378K |
|
1593
Sportradar
SRAD
$8.98B
| $32K | ﹤0.01% |
+4,067
| New | +$32K |
|
1594
ProShares UltraShort Russell2000
TWM
$33.7M
| $32K | ﹤0.01% |
335
-1,203
| -78% | -$115K |
|
|
VRNA
1595
Verona Pharma
VRNA
$9.21B
| $32K | ﹤0.01% |
7,866
+2,114
| +37% | +$8.6K |
|
|
CHAD
1596
DELISTED
Direxion Daily CSI 300 China A Share Bear 1X Shares
CHAD
| $32K | ﹤0.01% |
+1,868
| New | +$32K |
|
|
CND
1597
DELISTED
Concord Acquisition Corp.
CND
| $32K | ﹤0.01% |
3,240
-9,250
| -74% | -$91.4K |
|
1598
Blink Charging
BLNK
$153M
| $31K | ﹤0.01% |
1,900
-12,305
| -87% | -$201K |
|
1599
Bank of Hawaii
BOH
$2.7B
| $31K | ﹤0.01% |
430
+251
| +140% | +$18.1K |
|
|
DADA
1600
DELISTED
Dada Nexus
DADA
| $31K | ﹤0.01% |
3,945
+3,645
| +1,215% | +$28.6K |
|