Simplex Trading

Simplex Trading Portfolio holdings

AUM $3.72B
1-Year Return 0.6%
 

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.

This Quarter Return
+3.27%
1 Year Return
+0.6%
3 Year Return
+1.23%
5 Year Return
+2.7%
10 Year Return
+32.99%
AUM
$701M
AUM Growth
+$54.9M
Cap. Flow
+$44M
Cap. Flow %
6.27%
Top 10 Hldgs %
24.68%
Holding
3,490
New
659
Increased
596
Reduced
506
Closed
802

Sector Composition

1 Consumer Discretionary 17.29%
2 Healthcare 13.74%
3 Technology 12.76%
4 Communication Services 12.12%
5 Industrials 10.49%
Name Market Value Portfolio Weight Shares or Principal Shares
Change %
Capital Flow
BAX icon
326
Baxter International
BAX
$12.2B
$335K 0.03%
8,800
-2,080
-19% -$79.2K
EXR icon
327
Extra Space Storage
EXR
$30.3B
$335K 0.03%
+3,799
New +$335K
CPGX
328
DELISTED
COLUMBIA PIPELINE GROUP IN COM STK (DE)
CPGX
$333K 0.03%
16,699
+207
+1% +$4.13K
EZA icon
329
iShares MSCI South Africa ETF
EZA
$449M
$332K 0.03%
7,123
+1,046
+17% +$48.8K
PSA icon
330
Public Storage
PSA
$49.8B
$332K 0.03%
1,344
+1,152
+600% +$285K
TK icon
331
Teekay
TK
$739M
$329K 0.03%
33,352
+29,755
+827% +$294K
RTN
332
DELISTED
Raytheon Company
RTN
$328K 0.03%
+2,635
New +$328K
IEP icon
333
Icahn Enterprises
IEP
$4.72B
$327K 0.03%
+5,339
New +$327K
CPAY icon
334
Corpay
CPAY
$21.6B
$323K 0.03%
2,262
+774
+52% +$111K
PBY
335
DELISTED
PEP BOYS MANNY MOE& JACK
PBY
$320K 0.03%
+17,400
New +$320K
DBRG icon
336
DigitalBridge
DBRG
$2.21B
$319K 0.03%
6,577
+5,132
+355% +$249K
DBC icon
337
Invesco DB Commodity Index Tracking Fund
DBC
$1.27B
$318K 0.02%
+23,875
New +$318K
FIG
338
DELISTED
Fortress Investment Group Llc
FIG
$318K 0.02%
62,550
-6,231
-9% -$31.7K
DFRG
339
DELISTED
Del Frisco's Restaurant Group, Inc. Common Stock
DFRG
$317K 0.02%
+19,847
New +$317K
CA
340
DELISTED
CA, Inc.
CA
$317K 0.02%
11,118
+10,962
+7,027% +$313K
DBI icon
341
Designer Brands
DBI
$215M
$315K 0.02%
13,236
+13,234
+661,700% +$315K
MUR icon
342
Murphy Oil
MUR
$3.86B
$314K 0.02%
+14,024
New +$314K
DPZ icon
343
Domino's
DPZ
$14.6B
$313K 0.02%
+2,820
New +$313K
ENTA icon
344
Enanta Pharmaceuticals
ENTA
$168M
$312K 0.02%
9,472
+8,922
+1,622% +$294K
WLKP icon
345
Westlake Chemical Partners
WLKP
$757M
$312K 0.02%
+14,099
New +$312K
F icon
346
Ford
F
$46.7B
$311K 0.02%
22,143
+13,869
+168% +$195K
HPQ icon
347
HP
HPQ
$26.4B
$311K 0.02%
26,298
-148,851
-85% -$1.76M
AMG icon
348
Affiliated Managers Group
AMG
$6.94B
$308K 0.02%
1,929
+864
+81% +$138K
OIL
349
DELISTED
Barclays Bank PLC iPath Exchange Traded Notes Linked to Goldman Sachs Crude Oil Total Return In
OIL
$308K 0.02%
49,467
+37,715
+321% +$235K
DHC
350
Diversified Healthcare Trust
DHC
$1.08B
$307K 0.02%
20,700
+8,006
+63% +$119K