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 | |
|---|---|---|---|---|---|---|
2651
CALL
PPG Industries
PPG
$25.9B
| $1.23M | ﹤0.01% |
9,400
+2,100
| +29% | +$305K |
|
2652
Caesars Entertainment
CZR
$6.1B
| $1.23M | ﹤0.01% |
15,917
-212,984
| -93% | -$17.1M |
|
2653
Guardant Health
GH
$19.5B
| $1.23M | ﹤0.01% |
18,593
+16,072
| +638% | +$1.1M |
|
2654
PUT
Xerox
XRX
$337M
| $1.23M | ﹤0.01% |
61,000
-10,300
| -14% | -$217K |
|
|
BCM
2655
CALL
DELISTED
iPath Pure Beta Broad Commodity ETN
BCM
| $1.23M | ﹤0.01% |
38,100
+37,900
| +18,950% | +$1.68M |
|
2656
CALL
Fortis
FTS
$30B
| $1.23M | ﹤0.01% |
24,800
+24,300
| +4,860% | +$1.14M |
|
|
VTLE
2657
PUT
DELISTED
Vital Energy
VTLE
| $1.23M | ﹤0.01% |
15,500
-45,400
| -75% | -$3.29M |
|
2658
CALL
Xponential Fitness
XPOF
$265M
| $1.23M | ﹤0.01% |
52,300
+15,400
| +42% | +$301K |
|
2659
CALL
Incyte
INCY
$23.5B
| $1.22M | ﹤0.01% |
15,400
-18,400
| -54% | -$1.34M |
|
2660
PUT
AppFolio
APPF
$5.85B
| $1.22M | ﹤0.01% |
10,800
+10,300
| +2,060% | +$1.19M |
|
|
OZON
2661
PUT
DELISTED
Ozon Holdings PLC American Depositary Shares, each ADS representing one ordinary share
OZON
| $1.22M | ﹤0.01% |
130,000
+93,400
| +255% | +$1.98M |
|
2662
PUT
American Well
AMWL
$181M
| $1.22M | ﹤0.01% |
14,505
+9,795
| +208% | +$827K |
|
2663
United States Brent Oil Fund
BNO
$815M
| $1.22M | ﹤0.01% |
40,806
+12,766
| +46% | +$341K |
|
|
ACC
2664
DELISTED
American Campus Communities, Inc.
ACC
| $1.22M | ﹤0.01% |
21,807
+17,913
| +460% | +$959K |
|
2665
Spotify
SPOT
$99.2B
| $1.22M | ﹤0.01% |
8,076
-9,455
| -54% | -$1.61M |
|
2666
Warner Bros
WBD
$64.6B
| $1.22M | ﹤0.01% |
48,880
-71,196
| -59% | -$1.95M |
|
2667
CALL
Warner Music
WMG
$13.8B
| $1.22M | ﹤0.01% |
32,200
+32,000
| +16,000% | +$1.21M |
|
|
ARVL
2668
CALL
DELISTED
Arrival Ordinary Shares
ARVL
| $1.22M | ﹤0.01% |
6,530
+2,038
| +45% | +$438K |
|
2669
BlackBerry
BB
$5.01B
| $1.22M | ﹤0.01% |
163,013
+102,285
| +168% | +$771K |
|
2670
Moody's
MCO
$81.7B
| $1.22M | ﹤0.01% |
3,604
+2,869
| +390% | +$965K |
|
2671
Bumble
BMBL
$367M
| $1.22M | ﹤0.01% |
41,952
+33,640
| +405% | +$930K |
|
2672
CALL
Kilroy Realty
KRC
$4.58B
| $1.22M | ﹤0.01% |
15,900
+13,100
| +468% | +$920K |
|
2673
CALL
SkinHealth Systems
SKIN
$94.9M
| $1.22M | ﹤0.01% |
72,000
-156,000
| -68% | -$2.57M |
|
2674
PUT
SM Energy
SM
$7.96B
| $1.22M | ﹤0.01% |
31,200
+8,900
| +40% | +$321K |
|
2675
CALL
Sociedad Química y Minera de Chile
SQM
$19.6B
| $1.22M | ﹤0.01% |
14,200
+4,600
| +48% | +$294K |
|
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.