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
+0.12%
1 Year Return
+0.6%
3 Year Return
+1.23%
5 Year Return
+2.7%
10 Year Return
+32.99%
AUM
$2.35B
AUM Growth
+$144M
Cap. Flow
+$125M
Cap. Flow %
5.29%
Top 10 Hldgs %
18.99%
Holding
4,710
New
908
Increased
724
Reduced
746
Closed
849

Sector Composition

1 Technology 21.17%
2 Healthcare 10.87%
3 Consumer Discretionary 10.73%
4 Communication Services 10.55%
5 Financials 7.54%
Name Market Value Portfolio Weight Shares or Principal Shares
Change %
Capital Flow
PPSI icon
1401
Pioneer Power Solutions
PPSI
$50.3M
$31K ﹤0.01%
+3,805
New +$31K
QYLD icon
1402
Global X NASDAQ-100 Covered Call ETF
QYLD
$8.29B
$31K ﹤0.01%
1,800
+1,750
+3,500% +$30.1K
REK icon
1403
ProShares Short Real Estate
REK
$11.3M
$31K ﹤0.01%
1,609
-3,950
-71% -$76.1K
SSP icon
1404
E.W. Scripps
SSP
$257M
$31K ﹤0.01%
+3,409
New +$31K
AMX icon
1405
America Movil
AMX
$61.4B
$30K ﹤0.01%
1,413
+1,112
+369% +$23.6K
CNDT icon
1406
Conduent
CNDT
$445M
$30K ﹤0.01%
9,063
+1,641
+22% +$5.43K
GMED icon
1407
Globus Medical
GMED
$7.93B
$30K ﹤0.01%
509
-2,224
-81% -$131K
HCC icon
1408
Warrior Met Coal
HCC
$3.04B
$30K ﹤0.01%
+782
New +$30K
LBTYK icon
1409
Liberty Global Class C
LBTYK
$4.07B
$30K ﹤0.01%
1,743
-3,584
-67% -$61.7K
SSTI icon
1410
SoundThinking
SSTI
$160M
$30K ﹤0.01%
+1,402
New +$30K
WNS icon
1411
WNS Holdings
WNS
$3.25B
$30K ﹤0.01%
414
+314
+314% +$22.8K
DWTX
1412
Dogwood Therapeutics, Inc. Common Stock
DWTX
$9.35M
$30K ﹤0.01%
881
+490
+125% +$16.7K
BIG
1413
DELISTED
Big Lots, Inc.
BIG
$30K ﹤0.01%
3,421
+1,160
+51% +$10.2K
NGMS
1414
DELISTED
NeoGames S.A. Ordinary Shares
NGMS
$30K ﹤0.01%
+1,170
New +$30K
AYI icon
1415
Acuity Brands
AYI
$10.3B
$29K ﹤0.01%
183
-1,832
-91% -$290K
CCU icon
1416
Compañía de Cervecerías Unidas
CCU
$2.21B
$29K ﹤0.01%
1,796
+1,795
+179,500% +$29K
CW icon
1417
Curtiss-Wright
CW
$19.2B
$29K ﹤0.01%
+161
New +$29K
GGG icon
1418
Graco
GGG
$14B
$29K ﹤0.01%
344
-786
-70% -$66.3K
GROY icon
1419
Gold Royalty Corp
GROY
$650M
$29K ﹤0.01%
16,605
-11,236
-40% -$19.6K
HTHT icon
1420
Huazhu Hotels Group
HTHT
$11.4B
$29K ﹤0.01%
768
-12,374
-94% -$467K
IMPP icon
1421
Imperial Petroleum
IMPP
$156M
$29K ﹤0.01%
9,700
+8,469
+688% +$25.3K
WKHS icon
1422
Workhorse Group
WKHS
$17.7M
$29K ﹤0.01%
135
+131
+3,275% +$28.1K
WKME
1423
DELISTED
WalkMe Ltd. Ordinary Shares
WKME
$29K ﹤0.01%
+3,092
New +$29K
FLWS icon
1424
1-800-Flowers.com
FLWS
$343M
$28K ﹤0.01%
3,614
-9,854
-73% -$76.3K
GLTO icon
1425
Galecto
GLTO
$3.8M
$28K ﹤0.01%
456
+444
+3,700% +$27.3K