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
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amazon
AMZN
|
+$170M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$71.3M |
| 3 |
AT&T
T
|
+$44.2M |
| 4 |
Meta Platforms (Facebook)
META
|
+$37.1M |
| 5 |
iShares MSCI Emerging Markets ETF
EEM
|
+$34.4M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Microsoft
MSFT
|
+$94.3M |
| 2 |
JPMorgan Chase
JPM
|
+$68.2M |
| 3 |
Citigroup
C
|
+$62.8M |
| 4 |
Berkshire Hathaway Class B
BRK.B
|
+$50.9M |
| 5 |
SPDR Gold Trust
GLD
|
+$46.3M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Consumer Discretionary | 0.38% |
| 2 | Technology | 0.35% |
| 3 | Communication Services | 0.24% |
| 4 | Healthcare | 0.2% |
| 5 | Consumer Staples | 0.13% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
CMBT
4576
CMB.TECH NV
CMBT
$4.52B
| $151K | ﹤0.01% |
+8,882
| New | +$160K |
|
4577
PUT
Chord Energy
CHRD
$7.68B
| $150K | ﹤0.01% |
1,100
-16,000
| -94% | -$2.35M |
|
4578
PUT
Healthpeak Properties
DOC
$15.5B
| $150K | ﹤0.01% |
6,000
+400
| +7% | +$9.72K |
|
4579
Expeditors International
EXPD
$22.3B
| $150K | ﹤0.01% |
+1,453
| New | +$150K |
|
4580
CALL
Fresenius Medical Care
FMS
$13.4B
| $150K | ﹤0.01% |
9,200
+8,300
| +922% | +$123K |
|
4581
Immunovant
IMVT
$7.93B
| $150K | ﹤0.01% |
8,492
-1,085
| -11% | -$13.7K |
|
4582
PUT
Jefferies Financial Group
JEF
$12.7B
| $150K | ﹤0.01% |
4,602
-1,569
| -25% | -$52.1K |
|
4583
Nordic American Tanker
NAT
$1.36B
| $150K | ﹤0.01% |
49,305
-150,722
| -75% | -$486K |
|
4584
PUT
PharmaCyte Biotech
PMCB
$6.29M
| $150K | ﹤0.01% |
51,500
-213,500
| -81% | -$611K |
|
4585
Taboola.com
TBLA
$1.41B
| $150K | ﹤0.01% |
48,910
+31,336
| +178% | +$66.5K |
|
|
STER
4586
DELISTED
Sterling Check Corp. Common Stock
STER
| $150K | ﹤0.01% |
9,740
+8,466
| +665% | +$137K |
|
|
TUP
4587
CALL
DELISTED
Tupperware Brands Corporation
TUP
| $150K | ﹤0.01% |
36,400
-56,400
| -61% | -$302K |
|
4588
PUT
CarGurus
CARG
$3.34B
| $149K | ﹤0.01% |
10,700
+2,300
| +27% | +$31.5K |
|
4589
Danaos Corp
DAC
$2.52B
| $149K | ﹤0.01% |
2,848
+2,425
| +573% | +$137K |
|
4590
PUT
Vertical Aerospace
EVTL
$154M
| $149K | ﹤0.01% |
4,420
+770
| +21% | +$40.9K |
|
4591
CALL
Northeast Community Bancorp
NECB
$373M
| $149K | ﹤0.01% |
+10,000
| New | +$138K |
|
4592
CALL
Beam Global
BEEM
$21.7M
| $148K | ﹤0.01% |
8,500
-10,300
| -55% | -$154K |
|
4593
CALL
Brighthouse Financial
BHF
$3.61B
| $148K | ﹤0.01% |
2,900
-13,400
| -82% | -$701K |
|
4594
PUT
Bakkt Inc
BKKT
$306M
| $148K | ﹤0.01% |
4,992
-688
| -12% | -$32.1K |
|
4595
CALL
CareTrust REIT
CTRE
$10B
| $148K | ﹤0.01% |
8,000
-3,100
| -28% | -$57.9K |
|
4596
CALL
Genie Energy
GNE
$370M
| $148K | ﹤0.01% |
14,400
-500
| -3% | -$4.87K |
|
4597
PUT
MacroGenics
MGNX
$233M
| $148K | ﹤0.01% |
22,100
+18,800
| +570% | +$103K |
|
4598
PUT
Sally Beauty Holdings
SBH
$1.47B
| $148K | ﹤0.01% |
11,900
-5,100
| -30% | -$62.6K |
|
4599
Vanguard Morningstar Value ETF
VTV
$188B
| $148K | ﹤0.01% |
1,060
-737
| -41% | -$102K |
|
|
BBIG
4600
CALL
DELISTED
Vinco Ventures, Inc. Common Stock
BBIG
| $148K | ﹤0.01% |
34,025
-24,650
| -42% | -$379K |
|
Similar funds
Simplex Trading's Q4 2022 Portfolio in Review
As of Q4 2022, Simplex Trading held 11,206 positions worth $91.9B, up 3.9% from $88.5B the previous quarter. Its ten largest holdings account for 34% of the portfolio.
Simplex Trading's Q4 2022 filing shows 1,219 new, 3,365 increased, 4,370 reduced and 1,942 closed positions. Its largest new stake was iShares MSCI Emerging Markets ETF: 932,756 shares worth $35.4M. The largest sale was Microsoft, an estimated $94.3M.
By sector, the portfolio is most concentrated in Consumer Discretionary at 0.38% of assets, up from 0.3% a quarter earlier, followed by Technology and Communication Services.
- Simplex Trading's largest Q4 2022 buy was iShares MSCI Emerging Markets ETF: 932,756 shares worth $35.4M.
- Simplex Trading added most to Amazon in Q4 2022, an estimated $170M increase.
- Simplex Trading's biggest Q4 2022 reduction was Microsoft, cutting an estimated $94.3M.
- Simplex Trading fully exited JPMorgan Chase in Q4 2022, selling an estimated $68.2M.
- Simplex Trading's ten largest holdings make up 34% of its $91.9B portfolio in Q4 2022.
- Simplex Trading opened 1,219 new positions and closed 1,942 in Q4 2022.
- Simplex Trading's portfolio value rose 3.9% quarter-over-quarter to $91.9B.
Based on Simplex Trading's 13F filing for Q4 2022, filed 2 Feb 2023.