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 | |
|---|---|---|---|---|---|---|
1626
CALL
ACI Worldwide
ACIW
$5.18B
| $3.24M | ﹤0.01% |
103,000
-4,700
| -4% | -$157K |
|
1627
PUT
Eagle Materials
EXP
$5.82B
| $3.23M | ﹤0.01% |
25,200
+24,600
| +4,100% | +$3.49M |
|
1628
CALL
Liberty Media Series A
FWONA
$22.2B
| $3.23M | ﹤0.01% |
74,366
+49,925
| +204% | +$2.7M |
|
1629
CALL
Pultegroup
PHM
$23.2B
| $3.23M | ﹤0.01% |
77,100
+33,300
| +76% | +$1.65M |
|
1630
Invesco CurrencyShares Japanese Yen Trust
FXY
$453M
| $3.23M | ﹤0.01% |
41,979
+19,376
| +86% | +$1.56M |
|
1631
PUT
Nokia
NOK
$58.4B
| $3.22M | ﹤0.01% |
590,300
+337,300
| +133% | +$1.87M |
|
1632
CALL
Tencent Music
TME
$13.3B
| $3.22M | ﹤0.01% |
661,500
-340,300
| -34% | -$1.91M |
|
1633
CALL
Yeti Holdings
YETI
$2.95B
| $3.22M | ﹤0.01% |
53,700
+34,700
| +183% | +$2.24M |
|
1634
PUT
BlackBerry
BB
$4.52B
| $3.22M | ﹤0.01% |
431,100
-274,500
| -39% | -$2.07M |
|
1635
Invesco Actively Managed Exch-Traded Commodity Fd Tr Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF
PDBC
$7.52B
| $3.21M | ﹤0.01% |
+182,265
| New | +$2.94M |
|
1636
PUT
Iron Mountain
IRM
$35.4B
| $3.21M | ﹤0.01% |
58,000
+6,700
| +13% | +$319K |
|
1637
Airbnb
ABNB
$104B
| $3.21M | ﹤0.01% |
18,705
-13,850
| -43% | -$2.21M |
|
|
NVO
1638
CALL
Novo Nordisk
NVO
$201B
| $3.21M | ﹤0.01% |
57,800
-21,000
| -27% | -$1.08M |
|
1639
CALL
Genesis Energy
GEL
$1.95B
| $3.21M | ﹤0.01% |
273,900
+206,600
| +307% | +$2.41M |
|
|
TE
1640
PUT
T1 Energy
TE
$1.52B
| $3.21M | ﹤0.01% |
261,600
+234,700
| +872% | +$2.25M |
|
|
LTHM
1641
CALL
DELISTED
Livent Corporation
LTHM
| $3.21M | ﹤0.01% |
123,000
+104,000
| +547% | +$2.43M |
|
1642
PUT
Canadian Solar
CSIQ
$946M
| $3.2M | ﹤0.01% |
90,600
-41,900
| -32% | -$1.26M |
|
1643
PUT
Urban Outfitters
URBN
$6.88B
| $3.2M | ﹤0.01% |
127,300
+33,700
| +36% | +$921K |
|
1644
PUT
Canadian National Railway
CNI
$74.5B
| $3.19M | ﹤0.01% |
23,800
-3,700
| -13% | -$463K |
|
1645
PUT
Corpay
CPAY
$26.9B
| $3.19M | ﹤0.01% |
12,800
+1,500
| +13% | +$355K |
|
|
FITB
1646
PUT
Fifth Third Bancorp
FITB
$49.6B
| $3.18M | ﹤0.01% |
74,000
-36,000
| -33% | -$1.68M |
|
1647
PUT
Ziff Davis
ZD
$1.9B
| $3.17M | ﹤0.01% |
32,800
+32,700
| +32,700% | +$3.35M |
|
1648
CALL
Church & Dwight Co
CHD
$23.1B
| $3.17M | ﹤0.01% |
31,900
+16,700
| +110% | +$1.66M |
|
|
MPT
1649
CALL
Medical Properties Trust
MPT
$2.38B
| $3.17M | ﹤0.01% |
149,900
+13,300
| +10% | +$287K |
|
1650
CALL
Lumentum
LITE
$86.8B
| $3.16M | ﹤0.01% |
32,400
+4,300
| +15% | +$421K |
|
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.