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 | Technology | 0.67% |
| 2 | Consumer Discretionary | 0.37% |
| 3 | Industrials | 0.24% |
| 4 | Healthcare | 0.22% |
| 5 | Financials | 0.19% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
BRT
3276
CALL
BRT Apartments
BRT
$283M
| $759K | ﹤0.01% |
+31,700
| New | +$712K |
|
3277
CALL
Home BancShares
HOMB
$6.23B
| $759K | ﹤0.01% |
33,600
+33,400
| +16,700% | +$790K |
|
3278
CALL
Innovative Industrial Properties
IIPR
$1.78B
| $759K | ﹤0.01% |
3,700
+3,300
| +825% | +$649K |
|
3279
CALL
Monster Beverage
MNST
$93.2B
| $759K | ﹤0.01% |
19,000
+6,200
| +48% | +$260K |
|
3280
CALL
Momentus
MNTS
$88.7M
| $759K | ﹤0.01% |
19
-5
| -21% | -$193K |
|
|
DCP
3281
PUT
DELISTED
DCP Midstream, LP
DCP
| $758K | ﹤0.01% |
22,600
+1,100
| +5% | +$33.8K |
|
3282
CALL
Honda
HMC
$37.7B
| $757K | ﹤0.01% |
26,800
-147,300
| -85% | -$4.33M |
|
3283
CALL
Harmony Gold Mining
HMY
$9.93B
| $757K | ﹤0.01% |
150,600
+63,600
| +73% | +$272K |
|
|
GES
3284
CALL
DELISTED
Guess Inc
GES
| $756K | ﹤0.01% |
34,600
+13,000
| +60% | +$282K |
|
3285
CALL
Hycroft Mining Holding Corp
HYMC
$1.87B
| $756K | ﹤0.01% |
32,870
+32,250
| +5,202% | +$240K |
|
3286
CALL
Toast
TOST
$17.8B
| $756K | ﹤0.01% |
34,800
-6,500
| -16% | -$147K |
|
3287
PUT
Republic Services
RSG
$66.7B
| $755K | ﹤0.01% |
5,700
+4,800
| +533% | +$610K |
|
3288
Steven Madden
SHOO
$3.18B
| $755K | ﹤0.01% |
19,541
+19,456
| +22,889% | +$804K |
|
3289
Weatherford International
WFRD
$6.2B
| $755K | ﹤0.01% |
22,685
-17,020
| -43% | -$533K |
|
|
DCFC
3290
CALL
DELISTED
Tritium DCFC Limited Ordinary Shares
DCFC
| $755K | ﹤0.01% |
+376
| New | +$624K |
|
3291
PUT
MSCI
MSCI
$41.6B
| $754K | ﹤0.01% |
1,500
-4,400
| -75% | -$2.28M |
|
3292
CALL
Ryder
R
$10.3B
| $753K | ﹤0.01% |
9,500
-3,200
| -25% | -$249K |
|
3293
Yelp
YELP
$1.46B
| $753K | ﹤0.01% |
22,091
+12,206
| +123% | +$419K |
|
|
PR
3294
CALL
Permian Resources
PR
$17.1B
| $752K | ﹤0.01% |
93,200
+32,200
| +53% | +$254K |
|
3295
PUT
uniQure
QURE
$2.67B
| $751K | ﹤0.01% |
41,600
-8,700
| -17% | -$152K |
|
3296
CALL
Vuzix
VUZI
$191M
| $751K | ﹤0.01% |
113,900
+8,900
| +8% | +$58.5K |
|
3297
PUT
Cheniere Energy
CQP
$30.6B
| $749K | ﹤0.01% |
13,300
+9,300
| +233% | +$462K |
|
3298
CALL
UGI
UGI
$7.93B
| $749K | ﹤0.01% |
20,700
+2,000
| +11% | +$80K |
|
|
LICY
3299
DELISTED
Li-Cycle Holdings Corp.
LICY
| $749K | ﹤0.01% |
11,093
+5,950
| +116% | +$379K |
|
3300
PUT
Surgery Partners
SGRY
$2B
| $748K | ﹤0.01% |
13,600
-1,700
| -11% | -$84.1K |
|
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 deployed $17.5B of net new capital in Q1 2022, opening 1,603 new positions and adding to 4,441 existing holdings. Its largest new stake was iShares 20+ Year Treasury Bond ETF: 652,921 shares worth $86.2M.
By sector, the portfolio is most concentrated in Technology at 0.67% of assets, up from 0.61% a quarter earlier, followed by Consumer Discretionary and Industrials.
On the sell side, the largest reduction was Verizon, an estimated $42.5M trimmed.
- 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 1,603 new positions and closed 1,637 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.