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 | |
|---|---|---|---|---|---|---|
|
LHCG
2751
CALL
DELISTED
LHC Group LLC
LHCG
| $1.15M | ﹤0.01% |
6,800
-1,600
| -19% | -$214K |
|
2752
Capri Holdings
CPRI
$1.77B
| $1.14M | ﹤0.01% |
22,242
+5,855
| +36% | +$351K |
|
2753
PUT
PG&E
PCG
$47.8B
| $1.14M | ﹤0.01% |
95,400
-707,300
| -88% | -$8.36M |
|
2754
CALL
Manhattan Associates
MANH
$8.97B
| $1.14M | ﹤0.01% |
8,200
+7,400
| +925% | +$991K |
|
2755
PUT
Reliance Steel & Aluminium
RS
$20.8B
| $1.14M | ﹤0.01% |
6,200
-4,000
| -39% | -$692K |
|
2756
CALL
Brixmor Property Group
BRX
$9.95B
| $1.14M | ﹤0.01% |
44,000
+34,300
| +354% | +$866K |
|
|
ISEE
2757
DELISTED
IVERIC bio, Inc. Common Stock
ISEE
| $1.14M | ﹤0.01% |
67,494
-41,259
| -38% | -$610K |
|
|
CAN
2758
CALL
Canaan Creative
CAN
$176M
| $1.13M | ﹤0.01% |
208,900
-235,600
| -53% | -$1.18M |
|
2759
PUT
Enovix
ENVX
$862M
| $1.13M | ﹤0.01% |
90,857
+114
| +0.1% | +$1.6K |
|
|
BCYC
2760
CALL
Bicycle Therapeutics
BCYC
$270M
| $1.13M | ﹤0.01% |
25,800
+24,300
| +1,620% | +$1.13M |
|
2761
PUT
GitLab
GTLB
$5.28B
| $1.13M | ﹤0.01% |
20,800
-30,600
| -60% | -$1.83M |
|
2762
PUT
First Citizens BancShares
FCNCA
$24.6B
| $1.13M | ﹤0.01% |
+1,700
| New | +$1.32M |
|
|
SAIL
2763
PUT
DELISTED
SailPoint Technologies Holdings, Inc. Common Stock
SAIL
| $1.13M | ﹤0.01% |
22,100
-41,000
| -65% | -$1.75M |
|
2764
CALL
Bionano Genomics
BNGO
$12.7M
| $1.13M | ﹤0.01% |
730
+112
| +18% | +$151K |
|
2765
CALL
Remitly
RELY
$4.74B
| $1.13M | ﹤0.01% |
114,400
+82,000
| +253% | +$976K |
|
|
VSXY
2766
PUT
Victoria's Secret
VSXY
$6.64B
| $1.13M | ﹤0.01% |
22,000
-44,500
| -67% | -$2.42M |
|
2767
PUT
Barclays
BCS
$94.1B
| $1.13M | ﹤0.01% |
142,800
+35,100
| +33% | +$358K |
|
2768
CALL
Assurant
AIZ
$13.7B
| $1.13M | ﹤0.01% |
6,200
+6,100
| +6,100% | +$999K |
|
2769
CALL
Cracker Barrel
CBRL
$1.2B
| $1.13M | ﹤0.01% |
9,500
-52,600
| -85% | -$6.52M |
|
|
ATSG
2770
DELISTED
Air Transport Services Group
ATSG
| $1.13M | ﹤0.01% |
+33,659
| New | +$983K |
|
2771
CALL
Aramark
ARMK
$15B
| $1.12M | ﹤0.01% |
41,412
-7,063
| -15% | -$184K |
|
|
WLL
2772
PUT
DELISTED
Whiting Petroleum Corporation
WLL
| $1.12M | ﹤0.01% |
13,800
-32,700
| -70% | -$2.47M |
|
2773
GoPro
GPRO
$116M
| $1.12M | ﹤0.01% |
131,732
+20,969
| +19% | +$186K |
|
2774
PUT
Ginkgo Bioworks
DNA
$481M
| $1.12M | ﹤0.01% |
6,965
+167
| +2% | +$32.5K |
|
|
SNV
2775
CALL
DELISTED
Synovus
SNV
| $1.12M | ﹤0.01% |
22,900
+11,200
| +96% | +$567K |
|
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.