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
+0.31%
1 Year Return
+0.6%
3 Year Return
+1.23%
5 Year Return
+2.7%
10 Year Return
+32.99%
AUM
$1.8B
AUM Growth
-$216M
Cap. Flow
-$359M
Cap. Flow %
-19.98%
Top 10 Hldgs %
22.12%
Holding
3,846
New
783
Increased
708
Reduced
678
Closed
653

Top Buys

1
AMZN icon
Amazon
AMZN
+$102M
2
TSM icon
TSMC
TSM
+$29.6M
3
JPM icon
JPMorgan Chase
JPM
+$21.9M
4
BA icon
Boeing
BA
+$18.8M
5
TGT icon
Target
TGT
+$13.5M

Sector Composition

1 Consumer Discretionary 21.73%
2 Technology 16.48%
3 Healthcare 9.06%
4 Financials 8.3%
5 Communication Services 7.51%
Name Market Value Portfolio Weight Shares or Principal Shares
Change %
Capital Flow
OGI
1476
Organigram Holdings
OGI
$222M
$31K ﹤0.01%
7,461
+3,180
+74% +$13.2K
SMCI icon
1477
Super Micro Computer
SMCI
$26.7B
$31K ﹤0.01%
12,040
+6,360
+112% +$16.4K
TBI
1478
Trueblue
TBI
$179M
$31K ﹤0.01%
2,015
+470
+30% +$7.23K
WVE icon
1479
Wave Life Sciences
WVE
$1.11B
$31K ﹤0.01%
3,714
-20,066
-84% -$167K
AMRC icon
1480
Ameresco
AMRC
$1.44B
$30K ﹤0.01%
+915
New +$30K
ANSS
1481
DELISTED
Ansys
ANSS
$30K ﹤0.01%
+94
New +$30K
FLGT icon
1482
Fulgent Genetics
FLGT
$670M
$30K ﹤0.01%
+751
New +$30K
ILMN icon
1483
Illumina
ILMN
$14.6B
$30K ﹤0.01%
103
+88
+587% +$25.6K
KELYA icon
1484
Kelly Services Class A
KELYA
$481M
$30K ﹤0.01%
+1,764
New +$30K
NMM icon
1485
Navios Maritime Partners
NMM
$1.4B
$30K ﹤0.01%
5,013
-552
-10% -$3.3K
RLGT icon
1486
Radiant Logistics
RLGT
$307M
$30K ﹤0.01%
+5,907
New +$30K
SPXC icon
1487
SPX Corp
SPXC
$9.21B
$30K ﹤0.01%
+652
New +$30K
TK icon
1488
Teekay
TK
$722M
$30K ﹤0.01%
13,458
-42,713
-76% -$95.2K
UFI icon
1489
UNIFI
UFI
$82.8M
$30K ﹤0.01%
+2,342
New +$30K
BCOV
1490
DELISTED
Brightcove, Inc.
BCOV
$30K ﹤0.01%
3,015
-14,144
-82% -$141K
PFSW
1491
DELISTED
PFSweb, Inc.
PFSW
$30K ﹤0.01%
+4,594
New +$30K
CNP icon
1492
CenterPoint Energy
CNP
$25B
$29K ﹤0.01%
1,505
-57,420
-97% -$1.11M
J icon
1493
Jacobs Solutions
J
$17.5B
$29K ﹤0.01%
387
-4,540
-92% -$340K
NVCR icon
1494
NovoCure
NVCR
$1.36B
$29K ﹤0.01%
266
-9,525
-97% -$1.04M
SCHD icon
1495
Schwab US Dividend Equity ETF
SCHD
$71.5B
$29K ﹤0.01%
+1,611
New +$29K
XAR icon
1496
SPDR S&P Aerospace & Defense ETF
XAR
$4.05B
$29K ﹤0.01%
340
-749
-69% -$63.9K
APRN
1497
DELISTED
Blue Apron Holdings, Inc. Class A Common Stock
APRN
$29K ﹤0.01%
342
-402
-54% -$34.1K
UMPQ
1498
DELISTED
Umpqua Holdings Corp
UMPQ
$29K ﹤0.01%
2,732
-3,426
-56% -$36.4K
APEI icon
1499
American Public Education
APEI
$645M
$28K ﹤0.01%
1,008
-50
-5% -$1.39K
ELME
1500
Elme Communities
ELME
$1.51B
$28K ﹤0.01%
+1,426
New +$28K