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 | |
|---|---|---|---|---|---|---|
2851
VICI Properties
VICI
$29.4B
| $1.05M | ﹤0.01% |
37,070
-20,706
| -36% | -$581K |
|
|
HBP
2852
PUT
DELISTED
Huttig Building Products, Inc.
HBP
| $1.05M | ﹤0.01% |
99,000
-63,400
| -39% | -$606K |
|
|
COOP
2853
CALL
DELISTED
Mr. Cooper
COOP
| $1.05M | ﹤0.01% |
23,100
-34,000
| -60% | -$1.55M |
|
|
OPLN
2854
CALL
Openlane
OPLN
$4.17B
| $1.05M | ﹤0.01% |
58,400
+47,800
| +451% | +$766K |
|
2855
CALL
America Movil
AMX
$78.1B
| $1.05M | ﹤0.01% |
49,800
-16,400
| -25% | -$317K |
|
2856
PUT
Microvision
MVIS
$88.2M
| $1.05M | ﹤0.01% |
225,300
-35,100
| -13% | -$138K |
|
2857
CALL
Revolve Group
RVLV
$1.79B
| $1.05M | ﹤0.01% |
19,600
-8,800
| -31% | -$447K |
|
|
ARC
2858
CALL
DELISTED
ARC Document Solutions, Inc.
ARC
| $1.05M | ﹤0.01% |
269,500
+150,700
| +127% | +$530K |
|
2859
CALL
Outdoor Holding Co
POWW
$239M
| $1.05M | ﹤0.01% |
218,800
-55,500
| -20% | -$260K |
|
|
CNR
2860
CALL
Core Natural Resources Inc
CNR
$4.19B
| $1.05M | ﹤0.01% |
27,900
+17,400
| +166% | +$505K |
|
|
RBAC
2861
PUT
DELISTED
RedBall Acquisition Corp.
RBAC
| $1.05M | ﹤0.01% |
105,600
+93,200
| +752% | +$924K |
|
2862
CALL
Apple Hospitality REIT
APLE
$3.96B
| $1.05M | ﹤0.01% |
58,300
+35,900
| +160% | +$614K |
|
2863
CALL
BigBear.ai
BBAI
$1.32B
| $1.04M | ﹤0.01% |
126,900
+81,900
| +182% | +$500K |
|
2864
PUT
GoPro
GPRO
$116M
| $1.04M | ﹤0.01% |
122,600
-19,200
| -14% | -$170K |
|
|
NVMI
2865
CALL
Nova
NVMI
$13.9B
| $1.04M | ﹤0.01% |
9,600
+9,500
| +9,500% | +$1.11M |
|
2866
CRISPR Therapeutics
CRSP
$4.58B
| $1.04M | ﹤0.01% |
16,638
+3,217
| +24% | +$202K |
|
2867
PUT
Array Technologies
ARRY
$818M
| $1.04M | ﹤0.01% |
92,600
+60,600
| +189% | +$681K |
|
2868
ProShares Bitcoin Strategy ETF
BITO
$1.4B
| $1.04M | ﹤0.01% |
+36,527
| New | +$953K |
|
2869
Hudbay
HBM
$9.92B
| $1.04M | ﹤0.01% |
132,989
+51,553
| +63% | +$400K |
|
|
COUP
2870
DELISTED
Coupa Software Incorporated
COUP
| $1.04M | ﹤0.01% |
10,267
-13,295
| -56% | -$1.61M |
|
2871
CALL
Orion
OEC
$394M
| $1.04M | ﹤0.01% |
65,300
+29,300
| +81% | +$505K |
|
2872
CALL
Upwork
UPWK
$1.09B
| $1.04M | ﹤0.01% |
44,800
+29,300
| +189% | +$733K |
|
2873
PUT
Vir Biotechnology
VIR
$1.47B
| $1.04M | ﹤0.01% |
40,400
+28,000
| +226% | +$830K |
|
|
SGEN
2874
DELISTED
Seagen Inc. Common Stock
SGEN
| $1.04M | ﹤0.01% |
7,217
+5,523
| +326% | +$747K |
|
|
PLL
2875
PUT
DELISTED
Piedmont Lithium
PLL
| $1.04M | ﹤0.01% |
14,200
+11,400
| +407% | +$640K |
|
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.