Simplex Trading Portfolio holdings
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.
Top Buys
| 1 |
SPDR S&P 500 ETF Trust
SPY
|
$50.9M |
| 2 |
Citigroup
C
|
$25.9M |
| 3 |
Apple
AAPL
|
$25.1M |
| 4 |
Amazon
AMZN
|
$21.7M |
| 5 |
Alphabet (Google) Class C
GOOG
|
$18.3M |
Top Sells
| 1 |
LNKD
LinkedIn Corporation
LNKD
|
$17.4M |
| 2 |
Wells Fargo
WFC
|
$11.9M |
| 3 |
Goldman Sachs
GS
|
$9.91M |
| 4 |
MDVN
MEDIVATION, INC.
MDVN
|
$8.62M |
| 5 |
iShares iBoxx $ High Yield Corporate Bond ETF
HYG
|
$8.15M |
Sector Composition
| 1 | Communication Services | 15.08% |
| 2 | Technology | 12.4% |
| 3 | Healthcare | 11.9% |
| 4 | Consumer Discretionary | 11.24% |
| 5 | Financials | 9.26% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
151
Bank of Montreal
BMO
$89.7B
| $1.15M | 0.07% |
+16,019
| New | +$1.15M |
|
152
Digital Realty Trust
DLR
$55.5B
| $1.15M | 0.07% |
11,707
+6,824
| +140% | +$670K |
|
|
BPL
153
DELISTED
Buckeye Partners, L.P.
BPL
| $1.14M | 0.07% |
+17,229
| New | +$1.14M |
|
|
ETP
154
DELISTED
Energy Transfer Partners, L.P.
ETP
| $1.12M | 0.07% |
46,834
+41,837
| +837% | +$1M |
|
155
Natural Resource Partners
NRP
$1.37B
| $1.12M | 0.07% |
34,621
+34,117
| +6,769% | +$1.1M |
|
156
W.W. Grainger
GWW
$49.2B
| $1.12M | 0.07% |
+4,812
| New | +$1.12M |
|
157
Coterra Energy
CTRA
$18.6B
| $1.1M | 0.07% |
46,889
+34,056
| +265% | +$795K |
|
158
Annaly Capital Management
NLY
$14B
| $1.09M | 0.07% |
27,429
+26,768
| +4,050% | +$1.07M |
|
|
KSU
159
DELISTED
Kansas City Southern
KSU
| $1.09M | 0.07% |
+12,872
| New | +$1.09M |
|
|
WFM
160
DELISTED
Whole Foods Market Inc
WFM
| $1.09M | 0.07% |
35,502
+10,250
| +41% | +$315K |
|
161
Marriott International Class A Common Stock
MAR
$73B
| $1.09M | 0.07% |
+13,174
| New | +$1.09M |
|
162
Lincoln National
LNC
$8.19B
| $1.09M | 0.06% |
+16,374
| New | +$1.09M |
|
|
FRED
163
DELISTED
Fred's Inc
FRED
| $1.09M | 0.06% |
58,504
+58,138
| +15,885% | +$1.08M |
|
164
Novo Nordisk
NVO
$249B
| $1.06M | 0.06% |
+59,216
| New | +$1.06M |
|
165
Prudential Financial
PRU
$38.3B
| $1.04M | 0.06% |
+9,994
| New | +$1.04M |
|
|
ACOR
166
DELISTED
Acorda Therapeutics, Inc.
ACOR
| $1.03M | 0.06% |
457
+388
| +562% | +$875K |
|
167
iShares 7-10 Year Treasury Bond ETF
IEF
$35.7B
| $1.02M | 0.06% |
+9,772
| New | +$1.02M |
|
|
ALXN
168
DELISTED
Alexion Pharmaceuticals Inc
ALXN
| $1.02M | 0.06% |
8,299
-8,720
| -51% | -$1.07M |
|
169
AGNC Investment
AGNC
$10.6B
| $997K | 0.06% |
55,009
+42,239
| +331% | +$766K |
|
|
RICE
170
DELISTED
Rice Energy Inc.
RICE
| $978K | 0.06% |
45,820
+38,268
| +507% | +$817K |
|
171
Alkermes
ALKS
$4.77B
| $965K | 0.06% |
17,367
-3,666
| -17% | -$204K |
|
172
EQT Corp
EQT
$32.3B
| $963K | 0.06% |
27,066
+15,337
| +131% | +$546K |
|
173
Radware
RDWR
$1.06B
| $962K | 0.06% |
66,042
-27,238
| -29% | -$397K |
|
174
Fomento Económico Mexicano
FMX
$29.6B
| $956K | 0.06% |
12,553
+8,439
| +205% | +$643K |
|
175
GSK
GSK
$79.8B
| $955K | 0.06% |
+19,855
| New | +$955K |
|