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 |
Amazon
AMZN
|
+$102M |
| 2 |
TSMC
TSM
|
+$29.6M |
| 3 |
JPMorgan Chase
JPM
|
+$21.9M |
| 4 |
Boeing
BA
|
+$18.8M |
| 5 |
Target
TGT
|
+$13.5M |
Top Sells
| 1 |
SPDR Gold Trust
GLD
|
+$94.2M |
| 2 |
Tesla
TSLA
|
+$91.2M |
| 3 |
Invesco QQQ Trust
QQQ
|
+$81.5M |
| 4 |
NVIDIA
NVDA
|
+$60M |
| 5 |
iShares MSCI EAFE ETF
EFA
|
+$40.5M |
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 | |
|---|---|---|---|---|---|---|
951
Macy's
M
$4.67B
| $150K | ﹤0.01% |
26,452
+19,152
| +262% | +$109K |
|
952
VeriSign
VRSN
$27B
| $149K | ﹤0.01% |
730
-4,261
| -85% | -$870K |
|
953
Linde
LIN
$227B
| $148K | ﹤0.01% |
625
-6,629
| -91% | -$1.57M |
|
954
Movado Group
MOV
$441M
| $148K | ﹤0.01% |
14,939
-486
| -3% | -$4.82K |
|
955
Andersons Inc
ANDE
$1.4B
| $147K | ﹤0.01% |
7,717
+3,753
| +95% | +$71.5K |
|
956
Gossamer Bio
GOSS
$787M
| $147K | ﹤0.01% |
11,889
+7,635
| +179% | +$94.4K |
|
|
RIDE
957
DELISTED
Lordstown Motors Corp. Class A Common Stock
RIDE
| $147K | ﹤0.01% |
+382
| New | +$147K |
|
958
Clean Harbors
CLH
$12.8B
| $146K | ﹤0.01% |
2,618
-410
| -14% | -$22.9K |
|
959
First Horizon
FHN
$11.5B
| $146K | ﹤0.01% |
+15,485
| New | +$146K |
|
960
Ingredion
INGR
$8.14B
| $146K | ﹤0.01% |
1,933
+231
| +14% | +$17.4K |
|
961
National Storage Affiliates Trust
NSA
$2.49B
| $146K | ﹤0.01% |
+4,464
| New | +$146K |
|
962
ImmunityBio
IBRX
$2.45B
| $145K | ﹤0.01% |
21,050
-31,218
| -60% | -$215K |
|
963
Odyssey Marine Exploration
OMEX
$78.6M
| $145K | ﹤0.01% |
21,461
+6,409
| +43% | +$43.3K |
|
964
Ternium
TX
$6.87B
| $145K | ﹤0.01% |
7,733
+7,242
| +1,475% | +$136K |
|
|
ROCC
965
DELISTED
Ranger Oil Corporation Class A Common Stock
ROCC
| $145K | ﹤0.01% |
14,738
+6,821
| +86% | +$67.1K |
|
|
MR
966
DELISTED
Montage Resources Corporation Common Stock
MR
| $145K | ﹤0.01% |
33,235
-21,763
| -40% | -$94.9K |
|
967
Siren ETF Trust Siren Nasdaq NexGen Economy ETF
BLCN
$47.9M
| $144K | ﹤0.01% |
4,225
+3,645
| +628% | +$124K |
|
968
Matthews International
MATW
$775M
| $144K | ﹤0.01% |
+6,466
| New | +$144K |
|
969
United Microelectronic
UMC
$17B
| $144K | ﹤0.01% |
30,134
+11,100
| +58% | +$53K |
|
|
AAN.A
970
DELISTED
AARON'S INC CL-A
AAN.A
| $144K | ﹤0.01% |
2,542
+512
| +25% | +$29K |
|
971
Alector
ALEC
$290M
| $143K | ﹤0.01% |
13,613
+13,294
| +4,167% | +$140K |
|
972
Ambev
ABEV
$35.7B
| $142K | ﹤0.01% |
63,098
-133,671
| -68% | -$301K |
|
973
Varonis Systems
VRNS
$6.41B
| $142K | ﹤0.01% |
+3,699
| New | +$142K |
|
|
RST
974
DELISTED
ROSETTA STONE INC
RST
| $142K | ﹤0.01% |
4,748
-16,947
| -78% | -$507K |
|
975
Fidelity National Financial
FNF
$16.5B
| $141K | ﹤0.01% |
+4,715
| New | +$141K |
|