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
+0.1%
1 Year Return
+0.6%
3 Year Return
+1.23%
5 Year Return
+2.7%
10 Year Return
+32.99%
AUM
$3.55B
AUM Growth
+$583M
Cap. Flow
+$629M
Cap. Flow %
17.73%
Top 10 Hldgs %
31.05%
Holding
4,446
New
949
Increased
764
Reduced
722
Closed
799

Sector Composition

1 Technology 34.29%
2 Consumer Discretionary 11.38%
3 Healthcare 9.65%
4 Financials 6.33%
5 Communication Services 5.52%
Name Market Value Portfolio Weight Shares or Principal Shares
Change %
Capital Flow
CARE icon
1201
Carter Bankshares
CARE
$453M
$89K ﹤0.01%
5,062
-1,430
-22% -$25.1K
CRON
1202
Cronos Group
CRON
$988M
$89K ﹤0.01%
44,126
-25,604
-37% -$51.6K
GAIN icon
1203
Gladstone Investment Corp
GAIN
$548M
$89K ﹤0.01%
6,759
+6,312
+1,412% +$83.1K
ORLA
1204
Orla Mining
ORLA
$3.74B
$89K ﹤0.01%
16,145
+8,991
+126% +$49.6K
PAX icon
1205
Patria Investments
PAX
$2.31B
$89K ﹤0.01%
7,666
+765
+11% +$8.88K
SJT
1206
San Juan Basin Royalty Trust
SJT
$270M
$88K ﹤0.01%
+23,194
New +$88K
ENLC
1207
DELISTED
ENLINK MIDSTREAM, LLC
ENLC
$88K ﹤0.01%
6,260
-1,926
-24% -$27.1K
AAON icon
1208
Aaon
AAON
$6.73B
$87K ﹤0.01%
746
-1,508
-67% -$176K
DRIV icon
1209
Global X Autonomous & Electric Vehicles ETF
DRIV
$344M
$87K ﹤0.01%
3,799
+3,618
+1,999% +$82.9K
TALK icon
1210
Talkspace
TALK
$435M
$87K ﹤0.01%
28,354
+10,117
+55% +$31K
TPH icon
1211
Tri Pointe Homes
TPH
$3.18B
$87K ﹤0.01%
+2,422
New +$87K
WANT icon
1212
Direxion Daily Consumer Discretionary Bull 3X Shares
WANT
$25.9M
$87K ﹤0.01%
1,613
+1,611
+80,550% +$86.9K
FMS icon
1213
Fresenius Medical Care
FMS
$14.8B
$86K ﹤0.01%
3,806
+3,430
+912% +$77.5K
GASS icon
1214
StealthGas
GASS
$270M
$86K ﹤0.01%
15,290
+6,030
+65% +$33.9K
OPRX icon
1215
OptimizeRx
OPRX
$348M
$86K ﹤0.01%
17,833
+14,748
+478% +$71.1K
CWK icon
1216
Cushman & Wakefield
CWK
$3.84B
$85K ﹤0.01%
+6,546
New +$85K
GRBK icon
1217
Green Brick Partners
GRBK
$3.28B
$85K ﹤0.01%
+1,521
New +$85K
NVRI icon
1218
Enviri
NVRI
$989M
$85K ﹤0.01%
11,044
-17,983
-62% -$138K
AEYE icon
1219
AudioEye
AEYE
$167M
$84K ﹤0.01%
5,578
+1,458
+35% +$22K
IWV icon
1220
iShares Russell 3000 ETF
IWV
$16.9B
$83K ﹤0.01%
250
-466
-65% -$155K
KWEB icon
1221
KraneShares CSI China Internet ETF
KWEB
$9.08B
$83K ﹤0.01%
2,869
-1,405,632
-100% -$40.7M
ONTO icon
1222
Onto Innovation
ONTO
$5.29B
$83K ﹤0.01%
+503
New +$83K
OSS icon
1223
One Stop Systems
OSS
$122M
$83K ﹤0.01%
25,044
+21,705
+650% +$71.9K
WOOF icon
1224
Petco
WOOF
$1.03B
$83K ﹤0.01%
21,858
-54,356
-71% -$206K
FDMT icon
1225
4D Molecular Therapeutics
FDMT
$330M
$82K ﹤0.01%
+14,731
New +$82K