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 |
Microsoft
MSFT
|
+$114M |
| 2 |
NVIDIA
NVDA
|
+$85.9M |
| 3 |
Citigroup
C
|
+$61.5M |
| 4 |
Berkshire Hathaway Class B
BRK.B
|
+$45.5M |
| 5 |
Pfizer
PFE
|
+$41.6M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$467M |
| 2 |
Vanguard S&P 500 ETF
VOO
|
+$71.2M |
| 3 |
Meta Platforms (Facebook)
META
|
+$47.6M |
| 4 |
Intel
INTC
|
+$41.9M |
| 5 |
TSMC
TSM
|
+$35.9M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.51% |
| 2 | Financials | 0.35% |
| 3 | Consumer Discretionary | 0.3% |
| 4 | Healthcare | 0.25% |
| 5 | Industrials | 0.18% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
7751
AdvisorShares Pure US Cannabis ETF
MSOS
$814M
| $16K | ﹤0.01% |
1,833
+400
| +28% | +$4.62K |
|
|
MTLS
7752
Materialise
MTLS
$366M
| $16K | ﹤0.01% |
1,522
-1,719
| -53% | -$21.9K |
|
7753
NeoGenomics
NEO
$1.96B
| $16K | ﹤0.01% |
1,910
-5,085
| -73% | -$50.5K |
|
|
NMG
7754
PUT
Nouveau Monde Graphite
NMG
$431M
| $16K | ﹤0.01% |
3,000
-600
| -17% | -$3.15K |
|
|
OGI
7755
Organigram Holdings
OGI
$131M
| $16K | ﹤0.01% |
+4,597
| New | +$19.3K |
|
|
ONTF
7756
CALL
DELISTED
ON24
ONTF
| $16K | ﹤0.01% |
1,900
+400
| +27% | +$3.83K |
|
|
OTRK
7757
CALL
DELISTED
Ontrak
OTRK
| $16K | ﹤0.01% |
401
+162
| +68% | +$11.3K |
|
|
OTRK
7758
PUT
DELISTED
Ontrak
OTRK
| $16K | ﹤0.01% |
382
+264
| +224% | +$18.5K |
|
7759
PUT
Invesco Agriculture Commodity Strategy No K-1 ETF
PDBA
$305M
| $16K | ﹤0.01% |
+1,000
| New | +$30.1K |
|
7760
PUT
Pegasystems
PEGA
$5.09B
| $16K | ﹤0.01% |
1,000
-2,400
| -71% | -$48.8K |
|
|
BCIC
7761
PUT
BCP Investment Corp
BCIC
$88.3M
| $16K | ﹤0.01% |
800
-600
| -43% | -$13.8K |
|
7762
CALL
Regency Centers
REG
$14.9B
| $16K | ﹤0.01% |
300
-2,100
| -88% | -$128K |
|
7763
PUT
Sigma Lithium
SGML
$1.05B
| $16K | ﹤0.01% |
+600
| New | +$12.6K |
|
7764
SKYX Platforms
SKYX
$143M
| $16K | ﹤0.01% |
4,483
+4,088
| +1,035% | +$15.7K |
|
7765
CALL
SLM Corp
SLM
$4.83B
| $16K | ﹤0.01% |
1,200
-200
| -14% | -$3.1K |
|
7766
PUT
SmartRent
SMRT
$192M
| $16K | ﹤0.01% |
+7,100
| New | +$28K |
|
7767
CALL
Steris
STE
$22.9B
| $16K | ﹤0.01% |
100
-3,300
| -97% | -$672K |
|
7768
Synchrony
SYF
$24.4B
| $16K | ﹤0.01% |
574
-15,222
| -96% | -$491K |
|
7769
iShares TIPS Bond ETF
TIP
$14.5B
| $16K | ﹤0.01% |
155
-117,323
| -100% | -$13.3M |
|
7770
Turkcell
TKC
$4.7B
| $16K | ﹤0.01% |
6,294
+2,858
| +83% | +$7.82K |
|
7771
PUT
TPG
TPG
$6.76B
| $16K | ﹤0.01% |
600
-191,600
| -100% | -$5.54M |
|
7772
CALL
TORM
TRMD
$3.05B
| $16K | ﹤0.01% |
+800
| New | +$14.4K |
|
|
UNIT
7773
PUT
Uniti Group
UNIT
$2.52B
| $16K | ﹤0.01% |
2,400
-15,200
| -86% | -$141K |
|
7774
PUT
United States 12 Month Oil Fund,
USL
$45.7M
| $16K | ﹤0.01% |
+500
| New | +$18.3K |
|
7775
PUT
VTEX
VTEX
$767M
| $16K | ﹤0.01% |
+4,400
| New | +$16.5K |
|
Similar funds
Simplex Trading's Q3 2022 Portfolio in Review
As of Q3 2022, Simplex Trading held 11,570 positions worth $88.5B, down 6% from $94.1B the previous quarter. Its ten largest holdings account for 38% of the portfolio.
Simplex Trading's Q3 2022 filing shows 1,564 new, 4,281 increased, 3,851 reduced and 1,575 closed positions. Its largest new stake was Microsoft: 432,062 shares worth $101M. The largest sale was Apple, an estimated $467M.
By sector, the portfolio is most concentrated in Technology at 0.51% of assets, down from 0.84% a quarter earlier, followed by Financials and Consumer Discretionary.
- Simplex Trading's largest Q3 2022 buy was Microsoft: 432,062 shares worth $101M.
- Simplex Trading added most to NVIDIA in Q3 2022, an estimated $85.9M increase.
- Simplex Trading's biggest Q3 2022 reduction was Apple, cutting an estimated $467M.
- Simplex Trading fully exited iShares Core S&P 500 ETF in Q3 2022, selling an estimated $34.3M.
- Simplex Trading's ten largest holdings make up 38% of its $88.5B portfolio in Q3 2022.
- Simplex Trading opened 1,564 new positions and closed 1,575 in Q3 2022.
- Simplex Trading's portfolio value fell 6% quarter-over-quarter to $88.5B.
Based on Simplex Trading's 13F filing for Q3 2022, filed 4 Nov 2022.