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 | |
|---|---|---|---|---|---|---|
1001
PUT
Toronto Dominion Bank
TD
$199B
| $7.41M | 0.01% |
93,300
-59,200
| -39% | -$4.77M |
|
1002
PUT
T. Rowe Price
TROW
$23.4B
| $7.41M | 0.01% |
49,000
-13,800
| -22% | -$2.13M |
|
1003
CALL
Envista
NVST
$4.38B
| $7.4M | 0.01% |
152,000
+150,300
| +8,841% | +$6.93M |
|
1004
CALL
BILL Holdings
BILL
$4.19B
| $7.39M | 0.01% |
32,600
-36,300
| -53% | -$7.57M |
|
1005
PUT
United Parks & Resorts
PRKS
$1.83B
| $7.39M | 0.01% |
99,300
-3,900
| -4% | -$256K |
|
1006
Unity
U
$18.3B
| $7.39M | 0.01% |
+74,455
| New | +$7.71M |
|
1007
PUT
Capri Holdings
CPRI
$1.54B
| $7.37M | 0.01% |
143,500
+25,800
| +22% | +$1.55M |
|
1008
CALL
Southern Company
SO
$101B
| $7.37M | 0.01% |
101,600
+44,500
| +78% | +$3.01M |
|
|
PARA
1009
DELISTED
Paramount Global Class B
PARA
| $7.36M | 0.01% |
194,694
-61,402
| -24% | -$2.09M |
|
1010
CALL
CarGurus
CARG
$3.01B
| $7.34M | 0.01% |
172,900
+168,900
| +4,223% | +$6.21M |
|
|
FTCH
1011
CALL
DELISTED
Farfetch Limited Class A Ordinary Shares
FTCH
| $7.33M | 0.01% |
484,600
+248,300
| +105% | +$4.81M |
|
1012
PUT
Synchrony
SYF
$26B
| $7.31M | 0.01% |
210,000
-27,000
| -11% | -$1.13M |
|
1013
US Global Jets ETF
JETS
$740M
| $7.29M | 0.01% |
335,051
+39,464
| +13% | +$833K |
|
1014
UBS Group
UBS
$170B
| $7.25M | 0.01% |
+371,095
| New | +$7.02M |
|
1015
CALL
Varex Imaging
VREX
$780M
| $7.25M | 0.01% |
+340,600
| New | +$8.66M |
|
|
DFS
1016
CALL
DELISTED
Discover Financial Services
DFS
| $7.21M | 0.01% |
65,400
+34,100
| +109% | +$4.01M |
|
|
SKX
1017
CALL
DELISTED
Skechers
SKX
| $7.21M | 0.01% |
176,800
+142,500
| +415% | +$6.1M |
|
1018
ProShares Ultra VIX Short-Term Futures ETF
UVXY
$302M
| $7.21M | 0.01% |
+2,142
| New | +$8.43M |
|
1019
PUT
Bath & Body Works
BBWI
$3.93B
| $7.19M | 0.01% |
154,600
+70,000
| +83% | +$3.78M |
|
1020
CALL
CVR Partners
UAN
$1.38B
| $7.16M | 0.01% |
51,900
+48,200
| +1,303% | +$5.13M |
|
1021
PUT
AGNC Investment
AGNC
$12.6B
| $7.16M | 0.01% |
546,500
+432,200
| +378% | +$6.04M |
|
1022
CALL
Edwards Lifesciences
EW
$51.8B
| $7.14M | 0.01% |
60,700
+24,500
| +68% | +$2.75M |
|
1023
PUT
Williams-Sonoma
WSM
$26.8B
| $7.12M | 0.01% |
98,200
+63,600
| +184% | +$4.81M |
|
1024
Direxion Daily Semiconductor Bull 3X ETF
SOXL
$20.1B
| $7.07M | 0.01% |
182,437
-28,656
| -14% | -$1.27M |
|
1025
Elevance Health
ELV
$88.4B
| $7.06M | 0.01% |
14,379
+88
| +0.6% | +$40.2K |
|
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.