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 | |
|---|---|---|---|---|---|---|
4676
CALL
Morningstar
MORN
$7.55B
| $273K | ﹤0.01% |
1,000
+900
| +900% | +$254K |
|
4677
CALL
Silicon Motion
SIMO
$7.11B
| $273K | ﹤0.01% |
4,100
-18,000
| -81% | -$1.4M |
|
4678
CALL
Brookdale Senior Living
BKD
$3.55B
| $272K | ﹤0.01% |
38,600
+20,500
| +113% | +$125K |
|
|
GAN
4679
DELISTED
GAN Ltd
GAN
| $272K | ﹤0.01% |
56,521
+34,065
| +152% | +$219K |
|
4680
NeoGenomics
NEO
$1.96B
| $272K | ﹤0.01% |
22,441
+17,163
| +325% | +$361K |
|
4681
CALL
BRC Group Holdings
RILY
$264M
| $272K | ﹤0.01% |
3,900
+2,400
| +160% | +$162K |
|
4682
Sprouts Farmers Market
SFM
$7.44B
| $272K | ﹤0.01% |
8,524
+872
| +11% | +$26.1K |
|
|
XPOA
4683
CALL
DELISTED
DPCM Capital, Inc.
XPOA
| $272K | ﹤0.01% |
27,600
+21,600
| +360% | +$213K |
|
4684
PUT
Archer Aviation
ACHR
$3.42B
| $271K | ﹤0.01% |
56,400
-5,400
| -9% | -$19.8K |
|
4685
CALL
Avnet
AVT
$6.86B
| $271K | ﹤0.01% |
6,700
-1,300
| -16% | -$53.6K |
|
4686
Butterfly Network
BFLY
$1.86B
| $271K | ﹤0.01% |
57,107
+33,604
| +143% | +$184K |
|
4687
ProShares UltraShort FTSE Europe
EPV
$11.6M
| $271K | ﹤0.01% |
4,373
-241
| -5% | -$14.9K |
|
4688
CALL
Evolent Health
EVH
$371M
| $271K | ﹤0.01% |
8,400
-11,500
| -58% | -$301K |
|
4689
CALL
Fate Therapeutics
FATE
$275M
| $271K | ﹤0.01% |
7,000
+6,300
| +900% | +$244K |
|
4690
PUT
Haverty Furniture Companies
HVT
$418M
| $271K | ﹤0.01% |
9,900
+8,600
| +662% | +$250K |
|
4691
PUT
Grand Canyon Education
LOPE
$4.22B
| $271K | ﹤0.01% |
+2,800
| New | +$245K |
|
4692
PUT
Telus
TU
$17.4B
| $271K | ﹤0.01% |
10,400
+10,000
| +2,500% | +$247K |
|
|
UNIT
4693
CALL
Uniti Group
UNIT
$2.52B
| $271K | ﹤0.01% |
19,700
-223,100
| -92% | -$2.82M |
|
|
ARVL
4694
PUT
DELISTED
Arrival Ordinary Shares
ARVL
| $271K | ﹤0.01% |
1,454
+1,016
| +232% | +$219K |
|
|
MYOV
4695
PUT
DELISTED
Myovant Sciences Ltd.
MYOV
| $271K | ﹤0.01% |
20,400
+900
| +5% | +$12.1K |
|
|
AKYA
4696
PUT
DELISTED
Akoya BioSciences
AKYA
| $270K | ﹤0.01% |
+24,600
| New | +$285K |
|
|
SGFY
4697
PUT
DELISTED
Signify Health, Inc.
SGFY
| $270K | ﹤0.01% |
14,900
-2,600
| -15% | -$37.3K |
|
|
IEA
4698
PUT
DELISTED
Infrastructure and Energy Alternatives, Inc. Common Stock
IEA
| $270K | ﹤0.01% |
22,800
+17,200
| +307% | +$184K |
|
4699
CALL
Adient
ADNT
$1.69B
| $269K | ﹤0.01% |
6,600
-2,500
| -27% | -$107K |
|
4700
CALL
Helix Energy Solutions
HLX
$1.34B
| $269K | ﹤0.01% |
56,400
+49,600
| +729% | +$203K |
|
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.