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 |
Energy Select Sector SPDR Fund
XLE
|
+$93.9M |
| 2 |
Pfizer
PFE
|
+$89.5M |
| 3 |
Boeing
BA
|
+$66.7M |
| 4 |
Intel
INTC
|
+$60.2M |
| 5 |
Meta Platforms (Facebook)
META
|
+$52.5M |
Top Sells
| 1 |
NVIDIA
NVDA
|
+$146M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$109M |
| 3 |
Alibaba
BABA
|
+$81.8M |
| 4 |
Walt Disney
DIS
|
+$80.2M |
| 5 |
Citigroup
C
|
+$55.3M |
Sector Composition
| 1 | Technology | 19.03% |
| 2 | Healthcare | 13.86% |
| 3 | Consumer Discretionary | 12.44% |
| 4 | Industrials | 8.48% |
| 5 | Communication Services | 7.95% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
EDR
301
DELISTED
Endeavor Group Holdings, Inc.
EDR
| $1.92M | ﹤0.01% |
74,512
+72,685
| +3,978% | +$1.87M |
|
302
Snap
SNAP
$13.8B
| $1.92M | ﹤0.01% |
166,889
-261,028
| -61% | -$3M |
|
303
Air Products & Chemicals
APD
$64.6B
| $1.9M | ﹤0.01% |
7,838
-23,907
| -75% | -$5.79M |
|
304
Groupon
GRPN
$910M
| $1.89M | ﹤0.01% |
+142,048
| New | +$1.89M |
|
305
Perion Network
PERI
$443M
| $1.89M | ﹤0.01% |
+84,035
| New | +$1.89M |
|
306
Quest Diagnostics
DGX
$20.5B
| $1.88M | ﹤0.01% |
+14,148
| New | +$1.88M |
|
307
iShares MSCI Mexico ETF
EWW
$1.92B
| $1.88M | ﹤0.01% |
+27,172
| New | +$1.88M |
|
308
Tradeweb Markets
TW
$23.9B
| $1.88M | ﹤0.01% |
18,081
-3,028
| -14% | -$315K |
|
309
Alliance Resource Partners
ARLP
$3.04B
| $1.88M | ﹤0.01% |
93,769
+67,411
| +256% | +$1.35M |
|
310
Fomento Económico Mexicano
FMX
$33.4B
| $1.87M | ﹤0.01% |
+14,331
| New | +$1.87M |
|
311
Sphere Entertainment
SPHR
$2.15B
| $1.86M | ﹤0.01% |
37,930
-43,699
| -54% | -$2.14M |
|
312
Skywest
SKYW
$4.21B
| $1.84M | ﹤0.01% |
26,578
+16,473
| +163% | +$1.14M |
|
313
MakeMyTrip
MMYT
$9.69B
| $1.84M | ﹤0.01% |
25,838
+14,410
| +126% | +$1.02M |
|
314
Ovintiv
OVV
$10.6B
| $1.84M | ﹤0.01% |
+35,360
| New | +$1.84M |
|
315
Embraer
ERJ
$10.6B
| $1.82M | ﹤0.01% |
+68,155
| New | +$1.82M |
|
316
B. Riley Financial
RILY
$206M
| $1.81M | ﹤0.01% |
+85,542
| New | +$1.81M |
|
317
American Electric Power
AEP
$57.3B
| $1.8M | ﹤0.01% |
20,899
-50,833
| -71% | -$4.38M |
|
318
Lincoln National
LNC
$7.82B
| $1.79M | ﹤0.01% |
+56,187
| New | +$1.79M |
|
319
Abercrombie & Fitch
ANF
$4.28B
| $1.79M | ﹤0.01% |
+14,291
| New | +$1.79M |
|
320
Intellia Therapeutics
NTLA
$1.67B
| $1.78M | ﹤0.01% |
64,673
+52,922
| +450% | +$1.46M |
|
321
United Therapeutics
UTHR
$18.9B
| $1.76M | ﹤0.01% |
7,660
+6,218
| +431% | +$1.43M |
|
322
Peabody Energy
BTU
$2.76B
| $1.76M | ﹤0.01% |
+72,398
| New | +$1.76M |
|
|
HPP
323
Hudson Pacific Properties
HPP
$1.05B
| $1.75M | ﹤0.01% |
271,447
+140,027
| +107% | +$903K |
|
324
Roblox
RBLX
$93.7B
| $1.75M | ﹤0.01% |
+45,846
| New | +$1.75M |
|
|
EH
325
EHang Holdings
EH
$1.29B
| $1.75M | ﹤0.01% |
85,007
+22,894
| +37% | +$471K |
|