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 | |
|---|---|---|---|---|---|---|
951
Braze
BRZE
$3.55B
| $214K | ﹤0.01% |
4,836
+1,982
| +69% | +$87.7K |
|
|
MGIC
952
Magic Software Enterprises
MGIC
$969M
| $214K | ﹤0.01% |
+18,737
| New | +$214K |
|
953
New Fortress Energy
NFE
$683M
| $214K | ﹤0.01% |
7,005
-9,726
| -58% | -$297K |
|
954
Paylocity
PCTY
$9.11B
| $214K | ﹤0.01% |
+1,247
| New | +$214K |
|
955
iShares 1-3 Year Treasury Bond ETF
SHY
$24.3B
| $214K | ﹤0.01% |
+2,629
| New | +$214K |
|
956
Sterling Infrastructure
STRL
$11B
| $214K | ﹤0.01% |
+1,940
| New | +$214K |
|
957
Asbury Automotive
ABG
$4.73B
| $211K | ﹤0.01% |
+898
| New | +$211K |
|
958
GXO Logistics
GXO
$5.68B
| $211K | ﹤0.01% |
+3,935
| New | +$211K |
|
959
Clean Energy Fuels
CLNE
$586M
| $209K | ﹤0.01% |
+78,006
| New | +$209K |
|
960
Simplify Short Term Treasury Futures Strategy ETF
TUA
$638M
| $209K | ﹤0.01% |
9,597
-40,904
| -81% | -$891K |
|
961
Fox Class A
FOXA
$27B
| $208K | ﹤0.01% |
+6,655
| New | +$208K |
|
962
IMAX
IMAX
$1.73B
| $207K | ﹤0.01% |
+12,814
| New | +$207K |
|
963
Rocket Lab Corp
RKLB
$23.5B
| $205K | ﹤0.01% |
49,943
-350,732
| -88% | -$1.44M |
|
964
CVR Partners
UAN
$958M
| $205K | ﹤0.01% |
2,619
-1,407
| -35% | -$110K |
|
965
Zevra Therapeutics
ZVRA
$440M
| $205K | ﹤0.01% |
35,466
+30,235
| +578% | +$175K |
|
966
Compass Minerals
CMP
$749M
| $204K | ﹤0.01% |
+12,962
| New | +$204K |
|
967
EVgo
EVGO
$590M
| $204K | ﹤0.01% |
+81,557
| New | +$204K |
|
968
Praxis Precision Medicines
PRAX
$922M
| $204K | ﹤0.01% |
3,355
+1,963
| +141% | +$119K |
|
969
Editas Medicine
EDIT
$254M
| $203K | ﹤0.01% |
+27,466
| New | +$203K |
|
|
GOGL
970
DELISTED
Golden Ocean Group
GOGL
| $203K | ﹤0.01% |
15,716
-103,409
| -87% | -$1.34M |
|
971
Mitsubishi UFJ Financial
MUFG
$181B
| $203K | ﹤0.01% |
19,862
+7,049
| +55% | +$72K |
|
972
Enpro
NPO
$4.7B
| $203K | ﹤0.01% |
1,204
+32
| +3% | +$5.4K |
|
973
abrdn Physical Gold Shares ETF
SGOL
$5.93B
| $203K | ﹤0.01% |
9,565
-17,971
| -65% | -$381K |
|
974
Shutterstock
SSTK
$764M
| $203K | ﹤0.01% |
4,441
-80
| -2% | -$3.66K |
|
975
BCE
BCE
$21.6B
| $202K | ﹤0.01% |
+5,966
| New | +$202K |
|