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 | Miscellaneous | 97.72% |
| 2 | Technology | 0.67% |
| 3 | Consumer Discretionary | 0.38% |
| 4 | Industrials | 0.24% |
| 5 | Healthcare | 0.22% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
626
CALL
Valero Energy
VLO
$107B
| $15.5M | 0.01% |
153,100
+22,200
| +17% | +$1.93M |
|
|
BBBY
627
PUT
DELISTED
Bed Bath & Beyond Inc
BBBY
| $15.5M | 0.01% |
689,800
+181,700
| +36% | +$3.16M |
|
628
CALL
Estee Lauder
EL
$37.6B
| $15.4M | 0.01% |
56,700
+7,000
| +14% | +$2.11M |
|
629
CALL
EOG Resources
EOG
$76.2B
| $15.4M | 0.01% |
129,500
-57,700
| -31% | -$6.43M |
|
630
PUT
Constellation Brands
STZ
$21.9B
| $15.3M | 0.01% |
66,400
+12,400
| +23% | +$2.86M |
|
631
CALL
ClearShares Piton Intermediate Fixed Income ETF
PIFI
$97.5M
| $15.3M | 0.01% |
698,600
-6,200
| -0.9% | -$599K |
|
632
CALL
QuantumScape Corp
QS
$3.37B
| $15.2M | 0.01% |
761,300
+20,300
| +3% | +$348K |
|
633
CALL
PENN Entertainment
PENN
$2.29B
| $15.2M | 0.01% |
358,700
-133,400
| -27% | -$6.1M |
|
|
LAZR
634
CALL
DELISTED
Luminar Technologies
LAZR
| $15.2M | 0.01% |
64,780
+44,340
| +217% | +$9.72M |
|
635
CALL
Bunge Global
BG
$22.8B
| $15.2M | 0.01% |
136,800
+62,900
| +85% | +$6.44M |
|
636
Royal Caribbean
RCL
$70.9B
| $15.1M | 0.01% |
180,814
-854
| -0.5% | -$67.2K |
|
637
PUT
Novartis
NVS
$304B
| $15.1M | 0.01% |
172,500
+31,300
| +22% | +$2.71M |
|
|
638
PUT
ClearShares Piton Intermediate Fixed Income ETF
PIFI
$97.5M
| $15.1M | 0.01% |
692,800
-264,100
| -28% | -$25.5M |
|
639
PUT
Ball Corp
BALL
$16.6B
| $15.1M | 0.01% |
167,500
-39,600
| -19% | -$3.6M |
|
640
Uber
UBER
$155B
| $15.1M | 0.01% |
422,517
+14,305
| +4% | +$514K |
|
641
CALL
Cheniere Energy
LNG
$60.3B
| $15M | 0.01% |
108,500
+52,200
| +93% | +$6.34M |
|
642
Qualcomm
QCOM
$180B
| $15M | 0.01% |
98,043
+50,055
| +104% | +$8.4M |
|
643
CALL
C.H. Robinson
CHRW
$17.3B
| $15M | 0.01% |
165,900
+96,200
| +138% | +$9.77M |
|
644
CALL
Kimberly-Clark
KMB
$34.9B
| $15M | 0.01% |
121,500
-10,300
| -8% | -$1.36M |
|
645
Bank of America
BAC
$438B
| $14.9M | 0.01% |
362,385
+228,906
| +171% | +$10.3M |
|
646
VanEck Gold Miners ETF
GDX
$30.2B
| $14.9M | 0.01% |
388,818
+359,176
| +1,212% | +$12.2M |
|
647
Trade Desk
TTD
$6.78B
| $14.8M | 0.01% |
214,402
-9,998
| -4% | -$722K |
|
|
648
PUT
QuantumScape Corp
QS
$3.37B
| $14.8M | 0.01% |
741,800
+90,400
| +14% | +$1.55M |
|
649
PUT
State Street SPDR Portfolio Europe ETF
SPEU
$738M
| $14.7M | 0.01% |
357,900
+313,900
| +713% | +$12.6M |
|
650
PUT
Dick's Sporting Goods
DKS
$12.4B
| $14.7M | 0.01% |
147,200
-110,700
| -43% | -$12.2M |
|
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's Q1 2022 filing shows 1,600 new, 4,440 increased, 4,085 reduced and 1,638 closed positions. Its largest new stake was iShares 20+ Year Treasury Bond ETF: 652,921 shares worth $86.2M. The largest sale was State Street Financial Select Sector SPDR ETF, an estimated $42.8M.
By sector, the portfolio is most concentrated in Miscellaneous at 98% of assets, up from 97% a quarter earlier, followed by Technology and Consumer Discretionary.
- 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 1,600 new positions and closed 1,638 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.