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 |
Apple
AAPL
|
+$179M |
| 2 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$90.1M |
| 3 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$56M |
| 4 |
iShares Silver Trust
SLV
|
+$41.7M |
| 5 |
Advanced Micro Devices
AMD
|
+$39.8M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$42.8M |
| 2 |
Verizon
VZ
|
+$42.5M |
| 3 |
Occidental Petroleum
OXY
|
+$34.7M |
| 4 |
iShares China Large-Cap ETF
FXI
|
+$33M |
| 5 |
Direxion Daily S&P 500 Bull 3x ETF
SPXL
|
+$32.7M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Miscellaneous | 97.72% |
| 2 | Technology | 0.67% |
| 3 | Consumer Discretionary | 0.38% |
| 4 | Industrials | 0.24% |
| 5 | Healthcare | 0.22% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
151
PUT
Coca-Cola
KO
$379B
| $100M | 0.09% |
1,615,500
-143,900
| -8% | -$8.75M |
|
152
PUT
Palantir
PLTR
$419B
| $100M | 0.09% |
7,289,700
+1,496,200
| +26% | +$20M |
|
153
PUT
Snap
SNAP
$9.25B
| $99.6M | 0.09% |
2,766,500
+360,300
| +15% | +$13M |
|
154
CALL
Ford
F
$58.3B
| $99.5M | 0.09% |
5,883,400
-661,000
| -10% | -$12.6M |
|
155
PUT
Freeport-McMoran
FCX
$104B
| $98M | 0.09% |
1,970,100
-194,900
| -9% | -$8.63M |
|
156
CALL
Palo Alto Networks
PANW
$272B
| $97.6M | 0.09% |
940,800
+520,800
| +124% | +$46.6M |
|
157
CALL
Bristol-Myers Squibb
BMY
$136B
| $96.5M | 0.09% |
1,321,300
+144,100
| +12% | +$9.68M |
|
158
PUT
General Motors
GM
$77B
| $96.1M | 0.09% |
2,197,400
+167,900
| +8% | +$8.38M |
|
159
PUT
Moderna
MRNA
$58.1B
| $95.7M | 0.09% |
555,600
+20,700
| +4% | +$3.48M |
|
160
CALL
McDonald's
MCD
$181B
| $95.6M | 0.09% |
386,700
+122,900
| +47% | +$30.6M |
|
161
PUT
AMC Entertainment Holdings
AMC
$2.37B
| $94.7M | 0.09% |
384,430
-21,850
| -5% | -$4.07M |
|
|
162
PUT
McDonald's
MCD
$181B
| $94.6M | 0.09% |
382,700
+35,300
| +10% | +$8.79M |
|
163
PUT
Snowflake
SNOW
$117B
| $94.1M | 0.09% |
410,800
+25,700
| +7% | +$6.64M |
|
164
PUT
Nike
NKE
$57B
| $94M | 0.09% |
698,800
-337,100
| -33% | -$47.4M |
|
165
CALL
Merck
MRK
$371B
| $93.6M | 0.09% |
1,530,300
-1,223,600
| -44% | -$96.5M |
|
166
CALL
Cleveland-Cliffs
CLF
$7.13B
| $91.3M | 0.08% |
2,833,400
+1,066,200
| +60% | +$24.3M |
|
167
PUT
Baidu
BIDU
$33.7B
| $91.2M | 0.08% |
689,500
-104,900
| -13% | -$15.8M |
|
168
CALL
State Street SPDR Portfolio Short Term Treasury ETF
SPTS
$7.35B
| $91M | 0.08% |
715,300
-453,000
| -39% | -$13.6M |
|
169
CALL
FedEx
FDX
$76.3B
| $90.9M | 0.08% |
392,800
+107,000
| +37% | +$25.1M |
|
170
PUT
Union Pacific
UNP
$172B
| $90.8M | 0.08% |
332,400
+92,000
| +38% | +$23.2M |
|
171
CALL
Zoom
ZM
$29.6B
| $90.8M | 0.08% |
774,500
+58,100
| +8% | +$7.9M |
|
|
172
CALL
Snap
SNAP
$9.25B
| $90.5M | 0.08% |
2,514,100
+411,200
| +20% | +$14.9M |
|
173
PUT
AT&T
T
$176B
| $90.2M | 0.08% |
5,053,708
-2,162,754
| -30% | -$40M |
|
174
CALL
CVS Health
CVS
$124B
| $89.9M | 0.08% |
887,900
+96,100
| +12% | +$10.1M |
|
175
CALL
United Airlines
UAL
$36.2B
| $88.3M | 0.08% |
1,905,400
-348,900
| -15% | -$15.1M |
|
Similar funds
Simplex Trading's Q1 2022 Portfolio in Review
As of Q1 2022, Simplex Trading held 12,038 positions worth $109B, up 10% from $99B the previous quarter. Its ten largest holdings account for 37% of the portfolio.
Simplex Trading's Q1 2022 filing shows 1,600 new, 4,440 increased, 4,085 reduced and 1,638 closed positions. Its largest new stake was iShares 20+ Year Treasury Bond ETF: 652,921 shares worth $86.2M. The largest sale was State Street Financial Select Sector SPDR ETF, an estimated $42.8M.
By sector, the portfolio is most concentrated in Miscellaneous at 98% of assets, up from 97% a quarter earlier, followed by Technology and Consumer Discretionary.
- Simplex Trading's largest Q1 2022 buy was iShares 20+ Year Treasury Bond ETF: 652,921 shares worth $86.2M.
- Simplex Trading added most to Apple in Q1 2022, an estimated $179M increase.
- Simplex Trading's biggest Q1 2022 reduction was Verizon, cutting an estimated $42.5M.
- Simplex Trading fully exited State Street Financial Select Sector SPDR ETF in Q1 2022, selling an estimated $42.8M.
- Simplex Trading's ten largest holdings make up 37% of its $109B portfolio in Q1 2022.
- Simplex Trading opened 1,600 new positions and closed 1,638 in Q1 2022.
- Simplex Trading's portfolio value rose 10% quarter-over-quarter to $109B.
Based on Simplex Trading's 13F filing for Q1 2022, filed 2 May 2022.