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 | |
|---|---|---|---|---|---|---|
1226
PUT
Helen of Troy
HELE
$656M
| $4.92M | 0.01% |
44,400
+43,800
| +7,300% | +$4.26M |
|
1227
CALL
Intercontinental Exchange
ICE
$81.5B
| $4.91M | 0.01% |
47,900
-47,500
| -50% | -$4.73M |
|
1228
PUT
WIX.com
WIX
$2.14B
| $4.89M | 0.01% |
63,700
+52,300
| +459% | +$4.22M |
|
|
VSXY
1229
CALL
Victoria's Secret
VSXY
$6.69B
| $4.86M | 0.01% |
135,900
+111,100
| +448% | +$4.42M |
|
1230
FedEx
FDX
$75.1B
| $4.85M | 0.01% |
+28,009
| New | +$4.65M |
|
1231
CALL
Voya Financial
VOYA
$8.9B
| $4.84M | 0.01% |
78,800
+77,000
| +4,278% | +$4.93M |
|
|
CS
1232
CALL
DELISTED
Credit Suisse Group
CS
| $4.84M | 0.01% |
1,591,800
+1,272,100
| +398% | +$4.95M |
|
|
BNY
1233
Bank of New York Mellon
BNY
$108B
| $4.84M | 0.01% |
106,268
-6,180
| -5% | -$265K |
|
1234
KE Holdings
BEKE
$17B
| $4.81M | 0.01% |
344,759
+228,693
| +197% | +$3.18M |
|
|
PPLC
1235
CALL
DELISTED
PortfolioPlus S&P 500 ETF
PPLC
| $4.81M | 0.01% |
547,600
-86,500
| -14% | -$760K |
|
1236
CALL
T. Rowe Price
TROW
$25B
| $4.8M | 0.01% |
44,000
-3,700
| -8% | -$419K |
|
|
PXD
1237
DELISTED
Pioneer Natural Resource Co.
PXD
| $4.8M | 0.01% |
21,007
+16,071
| +326% | +$3.91M |
|
1238
Invesco S&P 500 Equal Weight ETF
RSP
$96.3B
| $4.79M | 0.01% |
+33,923
| New | +$4.74M |
|
1239
PUT
Masco
MAS
$16B
| $4.78M | 0.01% |
102,500
+36,000
| +54% | +$1.73M |
|
1240
PUT
Diageo
DEO
$46.3B
| $4.76M | 0.01% |
26,700
+12,000
| +82% | +$2.11M |
|
|
NKLA
1241
CALL
DELISTED
Nikola Corporation Common Stock
NKLA
| $4.75M | 0.01% |
73,317
+18,420
| +34% | +$1.54M |
|
1242
CALL
KKR & Co
KKR
$88.7B
| $4.72M | 0.01% |
101,800
+14,900
| +17% | +$726K |
|
1243
PUT
Alcon
ALC
$33.3B
| $4.72M | 0.01% |
68,900
-20,700
| -23% | -$1.32M |
|
1244
PUT
Equinix
EQIX
$108B
| $4.72M | 0.01% |
7,200
+800
| +13% | +$494K |
|
1245
Energy Transfer Partners
ET
$70.2B
| $4.71M | 0.01% |
+397,286
| New | +$4.77M |
|
|
CNR
1246
PUT
Core Natural Resources Inc
CNR
$4.27B
| $4.71M | 0.01% |
72,400
+20,300
| +39% | +$1.37M |
|
1247
CALL
Ovintiv
OVV
$17.8B
| $4.71M | 0.01% |
92,800
-9,400
| -9% | -$491K |
|
1248
CALL
iQIYI
IQ
$1.19B
| $4.7M | 0.01% |
886,900
+762,200
| +611% | +$2.22M |
|
|
BNY
1249
PUT
Bank of New York Mellon
BNY
$108B
| $4.67M | 0.01% |
102,600
-68,400
| -40% | -$2.93M |
|
1250
PUT
Liberty Media Series A
FWONA
$22.2B
| $4.66M | 0.01% |
125,963
+42,823
| +52% | +$2.18M |
|
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.