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 | |
|---|---|---|---|---|---|---|
|
TTM.RT
1901
PUT
DELISTED
TATA MOTORS LIMITED RT PUR ADR
TTM.RT
| $2.13M | ﹤0.01% |
87,900
-24,800
| -22% | -$602K |
|
1902
PUT
STMicroelectronics
STM
$46B
| $2.13M | ﹤0.01% |
68,900
+43,800
| +175% | +$1.54M |
|
1903
PUT
PBF Energy
PBF
$7.29B
| $2.13M | ﹤0.01% |
60,600
-69,900
| -54% | -$2.21M |
|
|
PPL
1904
CALL
PPL Corp
PPL
$27.3B
| $2.13M | ﹤0.01% |
84,000
-3,300
| -4% | -$94.5K |
|
1905
CALL
Trupanion
TRUP
$1.05B
| $2.13M | ﹤0.01% |
35,800
+34,300
| +2,287% | +$2.3M |
|
1906
CALL
Joby Aviation
JOBY
$6.82B
| $2.12M | ﹤0.01% |
490,300
+115,900
| +31% | +$636K |
|
1907
CALL
J.M. Smucker
SJM
$12.6B
| $2.12M | ﹤0.01% |
15,400
+7,900
| +105% | +$1.08M |
|
|
ICPT
1908
CALL
DELISTED
Intercept Pharmaceuticals, Inc.
ICPT
| $2.11M | ﹤0.01% |
151,600
+81,200
| +115% | +$1.31M |
|
1909
CALL
Blink Charging
BLNK
$75.2M
| $2.11M | ﹤0.01% |
119,200
+15,400
| +15% | +$316K |
|
|
LAZR
1910
PUT
DELISTED
Luminar Technologies
LAZR
| $2.11M | ﹤0.01% |
19,307
+1,927
| +11% | +$230K |
|
|
BPMC
1911
CALL
DELISTED
Blueprint Medicines
BPMC
| $2.11M | ﹤0.01% |
32,000
+9,900
| +45% | +$636K |
|
1912
Vanguard Information Technology ETF
VGT
$139B
| $2.11M | ﹤0.01% |
54,840
+1,056
| +2% | +$46.4K |
|
1913
PUT
Hyatt Hotels
H
$17.6B
| $2.1M | ﹤0.01% |
26,000
+2,400
| +10% | +$204K |
|
1914
CALL
Antero Midstream
AM
$10.8B
| $2.1M | ﹤0.01% |
229,100
+88,500
| +63% | +$872K |
|
1915
CALL
New Fortress Energy
NFE
$101M
| $2.09M | ﹤0.01% |
47,900
+700
| +1% | +$35.1K |
|
1916
CALL
Clarivate
CLVT
$1.3B
| $2.09M | ﹤0.01% |
222,300
+137,500
| +162% | +$1.74M |
|
|
SHLX
1917
PUT
DELISTED
Shell Midstream Partners, L.P.
SHLX
| $2.08M | ﹤0.01% |
131,900
+93,600
| +244% | +$1.45M |
|
1918
PUT
Norfolk Southern
NSC
$78.8B
| $2.08M | ﹤0.01% |
9,900
+2,500
| +34% | +$601K |
|
1919
Crown Castle
CCI
$32.7B
| $2.07M | ﹤0.01% |
+14,348
| New | +$2.46M |
|
1920
American Electric Power
AEP
$73.7B
| $2.07M | ﹤0.01% |
23,948
-40,449
| -63% | -$4M |
|
1921
PUT
AerCap
AER
$23.9B
| $2.07M | ﹤0.01% |
48,900
-63,600
| -57% | -$2.81M |
|
1922
Kraft Heinz
KHC
$30.4B
| $2.07M | ﹤0.01% |
+62,019
| New | +$2.3M |
|
1923
CALL
Itaú Unibanco
ITUB
$91.3B
| $2.06M | ﹤0.01% |
561,175
+29,685
| +6% | +$127K |
|
|
JKS
1924
JinkoSolar
JKS
$775M
| $2.06M | ﹤0.01% |
37,271
+11,951
| +47% | +$733K |
|
1925
CALL
Plains All American Pipeline
PAA
$17.4B
| $2.06M | ﹤0.01% |
196,000
-59,700
| -23% | -$667K |
|
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.