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
FIS icon
251
Fidelity National Information Services
FIS
$35.9B
$1.36M ﹤0.01%
9,239
+6,577
+247% +$968K
GOOS
252
Canada Goose Holdings
GOOS
$1.3B
$1.35M ﹤0.01%
+42,035
New +$1.35M
ACI icon
253
Albertsons Companies
ACI
$10.7B
$1.34M ﹤0.01%
+96,917
New +$1.34M
BMY icon
254
Bristol-Myers Squibb
BMY
$96B
$1.34M ﹤0.01%
22,269
-167,000
-88% -$10.1M
TER icon
255
Teradyne
TER
$19.1B
$1.32M ﹤0.01%
+16,603
New +$1.32M
PSTH
256
DELISTED
Pershing Square Tontine Holdings, Ltd.
PSTH
$1.3M ﹤0.01%
+57,221
New +$1.3M
FXY icon
257
Invesco CurrencyShares Japanese Yen Trust
FXY
$562M
$1.3M ﹤0.01%
14,459
+11,334
+363% +$1.02M
DPZ icon
258
Domino's
DPZ
$15.7B
$1.29M ﹤0.01%
3,042
-286
-9% -$122K
PBR icon
259
Petrobras
PBR
$78.7B
$1.29M ﹤0.01%
+181,263
New +$1.29M
CCXI
260
DELISTED
ChemoCentryx, Inc.
CCXI
$1.29M ﹤0.01%
23,556
+1,559
+7% +$85.4K
SOYB icon
261
Teucrium Soybean Fund
SOYB
$25.2M
$1.29M ﹤0.01%
81,312
+60,871
+298% +$963K
O icon
262
Realty Income
O
$54.2B
$1.28M ﹤0.01%
21,828
+20,183
+1,227% +$1.19M
HDB icon
263
HDFC Bank
HDB
$361B
$1.28M ﹤0.01%
25,593
-6,088
-19% -$304K
ONC
264
BeOne Medicines Ltd. American Depositary Shares
ONC
$37.6B
$1.28M ﹤0.01%
4,464
+3,372
+309% +$965K
EQX icon
265
Equinox Gold
EQX
$7.65B
$1.28M ﹤0.01%
109,043
+71,393
+190% +$835K
LOGI icon
266
Logitech
LOGI
$15.8B
$1.27M ﹤0.01%
+16,431
New +$1.27M
CHWY icon
267
Chewy
CHWY
$17.5B
$1.26M ﹤0.01%
23,034
-7,975
-26% -$437K
LBTYA icon
268
Liberty Global Class A
LBTYA
$4.05B
$1.26M ﹤0.01%
60,064
+22,255
+59% +$467K
BALL icon
269
Ball Corp
BALL
$13.9B
$1.26M ﹤0.01%
+15,141
New +$1.26M
TGTX icon
270
TG Therapeutics
TGTX
$5.11B
$1.25M ﹤0.01%
46,821
+24,687
+112% +$660K
ALK icon
271
Alaska Air
ALK
$7.28B
$1.25M ﹤0.01%
34,138
+29,615
+655% +$1.08M
CLDR
272
DELISTED
Cloudera, Inc.
CLDR
$1.25M ﹤0.01%
114,743
+29,219
+34% +$318K
MNDT
273
DELISTED
Mandiant, Inc. Common Stock
MNDT
$1.23M ﹤0.01%
99,717
-38,173
-28% -$471K
REG icon
274
Regency Centers
REG
$13.4B
$1.22M ﹤0.01%
32,195
-16,962
-35% -$645K
ARKW icon
275
ARK Web x.0 ETF
ARKW
$2.33B
$1.21M ﹤0.01%
11,133
+2,166
+24% +$235K