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
VC icon
451
Visteon
VC
$3.48B
$229K 0.02%
2,000
+1,182
+144% +$135K
NTAP icon
452
NetApp
NTAP
$25.2B
$228K 0.02%
+8,615
New +$228K
UVV icon
453
Universal Corp
UVV
$1.41B
$228K 0.02%
4,069
+3,117
+327% +$175K
BIN
454
DELISTED
PROGRESSIVE WASTE SOLUTIONS LTD COM
BIN
$226K 0.02%
+9,635
New +$226K
LOCK
455
DELISTED
LifeLock, Inc.
LOCK
$225K 0.02%
15,735
+731
+5% +$10.5K
OMED
456
DELISTED
OncoMed Pharmaceuticals, Inc.
OMED
$225K 0.02%
10,019
+5,336
+114% +$120K
YINN icon
457
Direxion Daily FTSE China Bull 3X Shares
YINN
$1.17B
$224K 0.02%
634
-473
-43% -$167K
HHH icon
458
Howard Hughes
HHH
$4.95B
$223K 0.02%
+2,075
New +$223K
RDWR icon
459
Radware
RDWR
$1.14B
$222K 0.02%
14,509
+14,160
+4,057% +$217K
ANET icon
460
Arista Networks
ANET
$184B
$221K 0.02%
45,536
+19,312
+74% +$93.7K
DXCM icon
461
DexCom
DXCM
$29.3B
$221K 0.02%
10,820
-12,532
-54% -$256K
QSR icon
462
Restaurant Brands International
QSR
$20.7B
$220K 0.02%
5,914
-916
-13% -$34.1K
ANFI
463
DELISTED
AMIRA NATURE FOODS LTD
ANFI
$217K 0.02%
23,845
+4,989
+26% +$45.4K
QRVO icon
464
Qorvo
QRVO
$8.31B
$216K 0.02%
4,251
+807
+23% +$41K
GLF
465
DELISTED
GulfMark Offshore, Inc. Common Stock
GLF
$216K 0.02%
46,337
+39,961
+627% +$186K
NTGR icon
466
NETGEAR
NTGR
$852M
$215K 0.02%
5,151
+4,588
+815% +$192K
AB icon
467
AllianceBernstein
AB
$4.29B
$213K 0.02%
8,936
+7,629
+584% +$182K
EFA icon
468
iShares MSCI EAFE ETF
EFA
$67.4B
$213K 0.02%
3,643
-173,164
-98% -$10.1M
HLT icon
469
Hilton Worldwide
HLT
$62.8B
$213K 0.02%
3,330
-107
-3% -$6.84K
OVV icon
470
Ovintiv
OVV
$10.7B
$210K 0.02%
8,263
+4,060
+97% +$103K
WPG
471
DELISTED
Washington Prime Group Inc.
WPG
$210K 0.02%
+2,208
New +$210K
VNO icon
472
Vornado Realty Trust
VNO
$8.1B
$209K 0.02%
2,596
+1,379
+113% +$111K
MOH icon
473
Molina Healthcare
MOH
$9.74B
$207K 0.02%
+3,445
New +$207K
MPLX icon
474
MPLX
MPLX
$51.8B
$205K 0.02%
5,216
+3,294
+171% +$129K
TD icon
475
Toronto Dominion Bank
TD
$134B
$205K 0.02%
5,249
-472
-8% -$18.4K