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 | |
|---|---|---|---|---|---|---|
3076
PUT
Champion Homes
SKY
$4.48B
| $872K | ﹤0.01% |
15,900
+12,000
| +308% | +$813K |
|
|
LEAP
3077
PUT
DELISTED
Ribbit LEAP, Ltd.
LEAP
| $872K | ﹤0.01% |
88,400
+32,100
| +57% | +$317K |
|
3078
PUT
BlueLinx
BXC
$455M
| $869K | ﹤0.01% |
12,100
-7,200
| -37% | -$590K |
|
3079
CALL
Voya Financial
VOYA
$8.94B
| $869K | ﹤0.01% |
13,100
+1,200
| +10% | +$81.9K |
|
3080
PUT
Anavex Life Sciences
AVXL
$222M
| $867K | ﹤0.01% |
70,500
+2,900
| +4% | +$35.7K |
|
3081
PUT
Spruce Power Holding Corp
SPRU
$39.9M
| $867K | ﹤0.01% |
54,500
+39,862
| +272% | +$694K |
|
3082
Qorvo
QRVO
$7.63B
| $866K | ﹤0.01% |
6,979
+2,000
| +40% | +$271K |
|
3083
CALL
AllianceBernstein
AB
$3.47B
| $865K | ﹤0.01% |
18,400
+10,400
| +130% | +$484K |
|
3084
PUT
Healthpeak Properties
DOC
$15.4B
| $865K | ﹤0.01% |
25,200
+10,800
| +75% | +$364K |
|
3085
CALL
Village Farms International
VFF
$235M
| $865K | ﹤0.01% |
163,900
+157,500
| +2,461% | +$845K |
|
3086
CALL
Calumet Specialty Products
CLMT
$3.63B
| $861K | ﹤0.01% |
63,300
+9,500
| +18% | +$140K |
|
3087
CALL
Evergy
EVRG
$20.1B
| $861K | ﹤0.01% |
12,600
-12,400
| -50% | -$800K |
|
3088
Hycroft Mining Holding Corp
HYMC
$1.85B
| $861K | ﹤0.01% |
+37,440
| New | +$278K |
|
|
WOW
3089
CALL
DELISTED
WideOpenWest
WOW
| $861K | ﹤0.01% |
49,400
-28,700
| -37% | -$533K |
|
3090
PUT
Xylem
XYL
$28.5B
| $861K | ﹤0.01% |
10,100
+2,200
| +28% | +$211K |
|
3091
Edison International
EIX
$30.7B
| $860K | ﹤0.01% |
12,273
-9,263
| -43% | -$592K |
|
3092
CALL
ThredUp
TDUP
$736M
| $860K | ﹤0.01% |
111,700
-5,300
| -5% | -$46.2K |
|
|
APTS
3093
CALL
DELISTED
Preferred Apartment Communities, Inc.
APTS
| $860K | ﹤0.01% |
34,500
+8,500
| +33% | +$184K |
|
3094
ProShares Ultra Silver
AGQ
$1.16B
| $859K | ﹤0.01% |
22,318
+10,421
| +88% | +$383K |
|
3095
PUT
Magnite
MGNI
$2.65B
| $859K | ﹤0.01% |
65,100
-27,700
| -30% | -$374K |
|
3096
CALL
New Oriental
EDU
$7.84B
| $857K | ﹤0.01% |
74,560
-64,500
| -46% | -$939K |
|
|
SOS
3097
CALL
SOS Limited
SOS
$18.2M
| $857K | ﹤0.01% |
2,131
+101
| +5% | +$55.1K |
|
3098
CALL
MSCI
MSCI
$40B
| $854K | ﹤0.01% |
1,700
-1,600
| -48% | -$830K |
|
3099
CALL
Surgery Partners
SGRY
$2.06B
| $853K | ﹤0.01% |
15,500
+15,300
| +7,650% | +$757K |
|
|
MTOR
3100
PUT
DELISTED
MERITOR, Inc.
MTOR
| $853K | ﹤0.01% |
24,000
+22,900
| +2,082% | +$677K |
|
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.