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 | |
|---|---|---|---|---|---|---|
|
CARM
3201
CALL
DELISTED
Carisma Therapeutics
CARM
| $471K | ﹤0.01% |
38,670
+4,750
| +14% | +$49.9K |
|
3202
PUT
FIGS
FIGS
$1.66B
| $471K | ﹤0.01% |
70,100
-18,900
| -21% | -$136K |
|
3203
CALL
Innoviz Technologies
INVZ
$139M
| $471K | ﹤0.01% |
120,100
+600
| +0.5% | +$2.86K |
|
3204
Levi Strauss
LEVI
$9.83B
| $471K | ﹤0.01% |
30,402
-29,300
| -49% | -$455K |
|
3205
VanEck Fallen Angel High Yield Bond ETF
ANGL
$3.08B
| $470K | ﹤0.01% |
+17,429
| New | +$468K |
|
3206
CALL
Black Stone Minerals
BSM
$3.17B
| $470K | ﹤0.01% |
27,900
-127,200
| -82% | -$2.25M |
|
3207
CALL
Life Time Group Holdings
LTH
$9.74B
| $470K | ﹤0.01% |
39,300
+38,800
| +7,760% | +$443K |
|
3208
PUT
Global X MSCI Norway ETF
NORW
$85M
| $470K | ﹤0.01% |
23,500
+5,300
| +29% | +$132K |
|
|
RFP
3209
CALL
DELISTED
Resolute Forest Products Inc.
RFP
| $470K | ﹤0.01% |
21,800
-1,200
| -5% | -$25.1K |
|
3210
PUT
FuelCell Energy
FCEL
$1.72B
| $469K | ﹤0.01% |
5,630
-8,883
| -61% | -$857K |
|
3211
Lithia Motors
LAD
$7.88B
| $469K | ﹤0.01% |
2,294
-4,119
| -64% | -$880K |
|
|
DEN
3212
CALL
DELISTED
Denbury Inc.
DEN
| $469K | ﹤0.01% |
5,400
-1,300
| -19% | -$118K |
|
3213
CALL
Matsons
MATX
$6.22B
| $468K | ﹤0.01% |
7,500
-24,500
| -77% | -$1.62M |
|
3214
Vaxcyte
PCVX
$8.01B
| $468K | ﹤0.01% |
9,776
-197
| -2% | -$7.73K |
|
3215
First Majestic Silver
AG
$8.01B
| $465K | ﹤0.01% |
55,824
-72,401
| -56% | -$632K |
|
|
PVBC
3216
CALL
DELISTED
Provident Bancorp
PVBC
| $465K | ﹤0.01% |
+63,900
| New | +$648K |
|
3217
Wolverine World Wide
WWW
$1.56B
| $465K | ﹤0.01% |
42,557
+42,383
| +24,358% | +$563K |
|
|
HIMX
3218
Himax Technologies
HIMX
$2.22B
| $464K | ﹤0.01% |
74,799
+4,913
| +7% | +$31.3K |
|
3219
The Mosaic Company
MOS
$7.1B
| $464K | ﹤0.01% |
+10,595
| New | +$525K |
|
3220
PUT
Brookfield Renewable
BEP
$9.74B
| $463K | ﹤0.01% |
18,300
+6,900
| +61% | +$197K |
|
3221
B2Gold
BTG
$5.16B
| $463K | ﹤0.01% |
129,869
+18,221
| +16% | +$60.6K |
|
3222
iShares Russell 3000 ETF
IWV
$19.5B
| $463K | ﹤0.01% |
2,101
+1,548
| +280% | +$344K |
|
3223
CALL
Ameren
AEE
$31B
| $462K | ﹤0.01% |
5,200
-19,400
| -79% | -$1.63M |
|
|
EH
3224
EHang Holdings
EH
$398M
| $462K | ﹤0.01% |
53,951
+52,890
| +4,985% | +$276K |
|
3225
Oramed Pharmaceuticals
ORMP
$170M
| $462K | ﹤0.01% |
38,427
-4,791
| -11% | -$37.2K |
|
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.