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 | |
|---|---|---|---|---|---|---|
1526
Direxion Daily S&P 500 Bear 1X Shares
SPDN
$127M
| $38K | ﹤0.01% |
2,284
+1,448
| +173% | +$24.1K |
|
1527
Taboola.com
TBLA
$994M
| $38K | ﹤0.01% |
+15,084
| New | +$38K |
|
|
TGB
1528
Taseko Mines
TGB
$1.12B
| $38K | ﹤0.01% |
35,678
+35,133
| +6,446% | +$37.4K |
|
|
TUYA
1529
Tuya Inc
TUYA
$1.57B
| $38K | ﹤0.01% |
14,794
-1,970
| -12% | -$5.06K |
|
|
ISUN
1530
DELISTED
iSun, Inc. Common Stock
ISUN
| $38K | ﹤0.01% |
11,852
-5,462
| -32% | -$17.5K |
|
1531
Absci
ABSI
$381M
| $37K | ﹤0.01% |
11,155
+9,851
| +755% | +$32.7K |
|
1532
Blue Bird Corp
BLBD
$1.84B
| $37K | ﹤0.01% |
+4,032
| New | +$37K |
|
1533
Caribou Biosciences
CRBU
$168M
| $37K | ﹤0.01% |
6,907
+4,219
| +157% | +$22.6K |
|
1534
Commault Systems
CVLT
$7.82B
| $37K | ﹤0.01% |
591
+318
| +116% | +$19.9K |
|
1535
Holley
HLLY
$370M
| $37K | ﹤0.01% |
+3,612
| New | +$37K |
|
1536
Oric Pharmaceuticals
ORIC
$1.05B
| $37K | ﹤0.01% |
8,297
+6,445
| +348% | +$28.7K |
|
1537
Western Alliance Bancorporation
WAL
$9.77B
| $37K | ﹤0.01% |
+530
| New | +$37K |
|
|
BWAC
1538
DELISTED
BETTER WORLD ACQUISITION CORP. Common Stock
BWAC
| $37K | ﹤0.01% |
3,670
+1,974
| +116% | +$19.9K |
|
|
RVI
1539
DELISTED
Retail Value Inc. Common Shares
RVI
| $37K | ﹤0.01% |
+30,000
| New | +$37K |
|
|
ALEX
1540
Alexander & Baldwin
ALEX
$1.34B
| $36K | ﹤0.01% |
+2,057
| New | +$36K |
|
1541
Bentley Systems
BSY
$16.1B
| $36K | ﹤0.01% |
1,098
+789
| +255% | +$25.9K |
|
1542
ProShares UltraShort MSCI Brazil Capped
BZQ
$5.4M
| $36K | ﹤0.01% |
+1,220
| New | +$36K |
|
1543
Pacer US Cash Cows 100 ETF
COWZ
$19.6B
| $36K | ﹤0.01% |
839
-1,034
| -55% | -$44.4K |
|
1544
Evergy
EVRG
$16.7B
| $36K | ﹤0.01% |
+552
| New | +$36K |
|
1545
Galectin Therapeutics
GALT
$344M
| $36K | ﹤0.01% |
27,871
+14,930
| +115% | +$19.3K |
|
1546
GameStop
GME
$11.2B
| $36K | ﹤0.01% |
1,200
+464
| +63% | +$13.9K |
|
1547
Q2 Holdings
QTWO
$5.13B
| $36K | ﹤0.01% |
+955
| New | +$36K |
|
1548
Tradr 2X Long Innovation ETF
TARK
$33.6M
| $36K | ﹤0.01% |
+830
| New | +$36K |
|
1549
United Parcel Service
UPS
$71.5B
| $36K | ﹤0.01% |
200
| – | – |
|
1550
US Foods
USFD
$17.9B
| $36K | ﹤0.01% |
1,203
-35,314
| -97% | -$1.06M |
|