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 | |
|---|---|---|---|---|---|---|
|
XRN
4401
PUT
Chiron Real Estate Inc
XRN
$535M
| $172K | ﹤0.01% |
3,640
-1,720
| -32% | -$77.8K |
|
4402
CALL
International General Insurance
IGIC
$1.19B
| $172K | ﹤0.01% |
21,500
-1,600
| -7% | -$12.4K |
|
4403
CALL
Wheels Up
UP
$203M
| $172K | ﹤0.01% |
838
| – | – |
|
4404
WIX.com
WIX
$2.56B
| $172K | ﹤0.01% |
2,251
+68
| +3% | +$5.49K |
|
|
TBCH
4405
PUT
Turtle Beach Corp
TBCH
$238M
| $172K | ﹤0.01% |
24,000
+22,800
| +1,900% | +$179K |
|
|
HEXO
4406
CALL
DELISTED
HEXO Corp. Common Shares
HEXO
| $172K | ﹤0.01% |
170,700
+157,836
| +1,227% | +$354K |
|
|
EVOP
4407
PUT
DELISTED
EVO Payments, Inc. Class A Common Stock
EVOP
| $172K | ﹤0.01% |
5,100
+1,100
| +28% | +$37K |
|
4408
CALL
BioLife Solutions
BLFS
$1.54B
| $171K | ﹤0.01% |
9,400
+8,100
| +623% | +$167K |
|
4409
CALL
Coca-Cola Europacific Partners
CCEP
$49.1B
| $171K | ﹤0.01% |
3,100
+2,100
| +210% | +$105K |
|
4410
iShares Russell 2000 Growth ETF
IWO
$14.1B
| $171K | ﹤0.01% |
800
| – | – |
|
4411
PUT
LoveSac
LOVE
$242M
| $171K | ﹤0.01% |
7,800
-34,300
| -81% | -$768K |
|
|
MAPS
4412
CALL
DELISTED
WM TECHNOLOGY INC A
MAPS
| $171K | ﹤0.01% |
170,200
+6,000
| +4% | +$8.67K |
|
4413
Piper Sandler
PIPR
$4.99B
| $171K | ﹤0.01% |
+5,284
| New | +$173K |
|
4414
PUT
Cheniere Energy
CQP
$30.5B
| $170K | ﹤0.01% |
3,000
-4,900
| -62% | -$281K |
|
4415
PUT
Global Partners
GLP
$1.65B
| $170K | ﹤0.01% |
4,900
-3,200
| -40% | -$98.9K |
|
4416
Genmab
GMAB
$17.5B
| $170K | ﹤0.01% |
4,027
+4,016
| +36,509% | +$165K |
|
4417
PUT
NeoGenomics
NEO
$1.99B
| $170K | ﹤0.01% |
18,500
-25,800
| -58% | -$241K |
|
4418
CALL
Sally Beauty Holdings
SBH
$1.47B
| $170K | ﹤0.01% |
13,600
+10,600
| +353% | +$130K |
|
4419
PUT
Summit Therapeutics
SMMT
$10.2B
| $170K | ﹤0.01% |
+40,200
| New | +$73.1K |
|
4420
CALL
SunCoke Energy
SXC
$794M
| $170K | ﹤0.01% |
19,800
+16,300
| +466% | +$126K |
|
4421
PUT
United Bankshares
UBSI
$6.69B
| $170K | ﹤0.01% |
4,200
+2,400
| +133% | +$97.3K |
|
|
ME
4422
DELISTED
23andMe Holding Co
ME
| $170K | ﹤0.01% |
3,950
-2,029
| -34% | -$118K |
|
4423
CALL
Beazer Homes USA
BZH
$888M
| $169K | ﹤0.01% |
13,300
| – | – |
|
4424
PUT
MKS Inc
MKSI
$17.4B
| $169K | ﹤0.01% |
2,000
-4,500
| -69% | -$361K |
|
4425
CALL
Newegg Commerce
NEGG
$273M
| $169K | ﹤0.01% |
6,455
+750
| +13% | +$27.7K |
|
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.