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 | |
|---|---|---|---|---|---|---|
1876
Asana
ASAN
$2.01B
| $2.49M | ﹤0.01% |
62,332
+6,549
| +12% | +$341K |
|
1877
State Street SPDR Bloomberg 1-3 Month T-Bill ETF
BIL
$46.5B
| $2.49M | ﹤0.01% |
+27,220
| New | +$2.49M |
|
1878
PUT
Kinder Morgan
KMI
$71B
| $2.49M | ﹤0.01% |
131,600
-40,400
| -23% | -$711K |
|
1879
PUT
Sweetgreen
SG
$798M
| $2.49M | ﹤0.01% |
77,800
+66,400
| +582% | +$1.93M |
|
1880
PUT
Align Technology
ALGN
$11B
| $2.48M | ﹤0.01% |
5,700
-31,100
| -85% | -$15.1M |
|
|
HAPN
1881
CALL
Happen Inc
HAPN
$2.04B
| $2.48M | ﹤0.01% |
157,500
-235,900
| -60% | -$4.37M |
|
1882
PUT
Performance Food Group
PFGC
$15.3B
| $2.48M | ﹤0.01% |
48,800
+31,400
| +180% | +$1.54M |
|
1883
Sabesp
SBS
$18.6B
| $2.48M | ﹤0.01% |
1,301,362
+936,404
| +257% | +$1.38M |
|
|
PBFX
1884
CALL
DELISTED
PBF LOGISTICS LP
PBFX
| $2.48M | ﹤0.01% |
176,900
+9,900
| +6% | +$132K |
|
1885
PUT
Uranium Energy
UEC
$6.03B
| $2.47M | ﹤0.01% |
537,900
+399,000
| +287% | +$1.47M |
|
|
BLDP
1886
PUT
Ballard Power Systems
BLDP
$718M
| $2.47M | ﹤0.01% |
211,900
-17,000
| -7% | -$181K |
|
1887
CALL
Clean Energy Fuels
CLNE
$364M
| $2.47M | ﹤0.01% |
310,600
-53,600
| -15% | -$361K |
|
|
PLAN
1888
PUT
DELISTED
Anaplan, Inc.
PLAN
| $2.46M | ﹤0.01% |
37,900
+29,300
| +341% | +$1.43M |
|
1889
PUT
Axsome Therapeutics
AXSM
$10.9B
| $2.46M | ﹤0.01% |
59,500
+41,800
| +236% | +$1.3M |
|
|
BINI
1890
PUT
DELISTED
Bollinger Innovations
BINI
| – | – |
0
| – | – |
|
|
1891
CALL
Axsome Therapeutics
AXSM
$10.9B
| $2.46M | ﹤0.01% |
59,400
-7,800
| -12% | -$242K |
|
1892
CALL
Universal Display
OLED
$3.76B
| $2.45M | ﹤0.01% |
14,700
-12,600
| -46% | -$1.96M |
|
1893
CALL
Pool Corp
POOL
$6.48B
| $2.45M | ﹤0.01% |
5,800
-800
| -12% | -$374K |
|
1894
Tapestry
TPR
$23.6B
| $2.45M | ﹤0.01% |
66,029
-16,078
| -20% | -$616K |
|
1895
CALL
Illinois Tool Works
ITW
$76.2B
| $2.45M | ﹤0.01% |
11,700
-20,800
| -64% | -$4.66M |
|
1896
PUT
Vanguard Dividend Appreciation ETF
VIG
$112B
| $2.45M | ﹤0.01% |
15,100
+2,000
| +15% | +$323K |
|
|
CEQP
1897
CALL
DELISTED
Crestwood Equity Partners LP
CEQP
| $2.45M | ﹤0.01% |
81,800
+24,200
| +42% | +$710K |
|
1898
CALL
Deutsche Bank
DB
$77.7B
| $2.44M | ﹤0.01% |
193,000
+14,900
| +8% | +$198K |
|
1899
ICL Group
ICL
$7.56B
| $2.44M | ﹤0.01% |
202,160
+140,713
| +229% | +$1.49M |
|
1900
CALL
St. Joe Company
JOE
$3.66B
| $2.44M | ﹤0.01% |
41,200
+30,600
| +289% | +$1.58M |
|
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.